./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_01_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_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/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_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/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_4f61c480-7086-46fb-9e19-cee8805d1ca9/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 ae0bc8a5833a745fb541966dfd5a576317615a6bca1fbcac40f9d347fd7b8190 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:24:40,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:24:40,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:24:40,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:24:40,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:24:40,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:24:40,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:24:40,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:24:40,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:24:40,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:24:40,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:24:40,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:24:40,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:24:40,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:24:40,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:24:40,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:24:40,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:24:40,888 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:24:40,888 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:24:40,888 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:24:40,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:24:40,888 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:24:40,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:24:40,889 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:24:40,889 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:24:40,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:24:40,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:40,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:24:40,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:24:40,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:24:40,890 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:24:40,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:24:40,890 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_4f61c480-7086-46fb-9e19-cee8805d1ca9/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 -> ae0bc8a5833a745fb541966dfd5a576317615a6bca1fbcac40f9d347fd7b8190 [2024-11-13 21:24:41,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:24:41,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:24:41,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:24:41,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:24:41,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:24:41,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_01_bad.i Unable to find full path for "g++" [2024-11-13 21:24:43,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:24:43,552 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:24:43,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_01_bad.i [2024-11-13 21:24:43,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/data/8e3331119/8f598b203041441c8eff977e3f391913/FLAG665327aa8 [2024-11-13 21:24:43,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/data/8e3331119/8f598b203041441c8eff977e3f391913 [2024-11-13 21:24:43,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:24:43,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:24:43,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:43,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:24:43,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:24:43,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:43" (1/1) ... [2024-11-13 21:24:43,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24520930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:43, skipping insertion in model container [2024-11-13 21:24:43,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:43" (1/1) ... [2024-11-13 21:24:43,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:24:44,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:44,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:24:44,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:44,975 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:24:44,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:44 WrapperNode [2024-11-13 21:24:44,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:44,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:44,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:24:44,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:24:44,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:44" (1/1) ... [2024-11-13 21:24:45,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:44" (1/1) ... [2024-11-13 21:24:45,025 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-13 21:24:45,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:45,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:24:45,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:24:45,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:24:45,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:44" (1/1) ... [2024-11-13 21:24:45,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:44" (1/1) ... [2024-11-13 21:24:45,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:44" (1/1) ... [2024-11-13 21:24:45,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:44" (1/1) ... [2024-11-13 21:24:45,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:44" (1/1) ... [2024-11-13 21:24:45,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:44" (1/1) ... [2024-11-13 21:24:45,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:44" (1/1) ... [2024-11-13 21:24:45,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:44" (1/1) ... [2024-11-13 21:24:45,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:24:45,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:24:45,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:24:45,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:24:45,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:44" (1/1) ... [2024-11-13 21:24:45,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:45,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:24:45,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:24:45,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:24:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:24:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:24:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:24:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:24:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:24:45,298 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:24:45,300 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:24:45,397 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:24:45,397 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:24:45,435 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:24:45,435 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:24:45,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:45 BoogieIcfgContainer [2024-11-13 21:24:45,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:24:45,437 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:24:45,440 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:24:45,451 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:24:45,451 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:45" (1/1) ... [2024-11-13 21:24:45,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:24:45,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:24:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:24:45,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:24:45,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:45,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:45,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:24:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:45,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:24:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:45,780 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:24:45,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:24:45 ImpRootNode [2024-11-13 21:24:45,817 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:24:45,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:24:45,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:24:45,818 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:24:45,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:45" (3/4) ... [2024-11-13 21:24:45,821 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:24:45,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:24:45,823 INFO L158 Benchmark]: Toolchain (without parser) took 2221.80ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 51.7MB in the end (delta: 38.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 21:24:45,823 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:45,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1373.47ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 81.4MB in the end (delta: 8.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 21:24:45,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.33ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 79.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:24:45,825 INFO L158 Benchmark]: Boogie Preprocessor took 27.49ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:45,825 INFO L158 Benchmark]: RCFGBuilder took 382.20ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 64.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:24:45,826 INFO L158 Benchmark]: CodeCheck took 380.37ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 52.2MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:24:45,826 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 117.4MB. Free memory was 52.2MB in the beginning and 51.7MB in the end (delta: 533.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:45,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_min_predec_01_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1373.47ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 81.4MB in the end (delta: 8.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.33ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 79.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.49ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 382.20ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 64.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 380.37ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 52.2MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 117.4MB. Free memory was 52.2MB in the beginning and 51.7MB in the end (delta: 533.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:24:45,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/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_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/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_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/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_4f61c480-7086-46fb-9e19-cee8805d1ca9/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 ae0bc8a5833a745fb541966dfd5a576317615a6bca1fbcac40f9d347fd7b8190 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:24:48,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:24:48,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:24:48,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:24:48,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:24:48,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:24:48,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:24:48,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:24:48,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:24:48,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:24:48,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:24:48,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:24:48,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:24:48,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:24:48,739 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:24:48,739 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:24:48,739 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:24:48,739 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:24:48,739 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:24:48,740 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:24:48,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:24:48,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:24:48,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:24:48,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:24:48,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:24:48,740 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:48,740 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:24:48,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:24:48,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:48,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:24:48,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:24:48,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:24:48,741 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:24:48,741 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:48,741 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:24:48,741 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_4f61c480-7086-46fb-9e19-cee8805d1ca9/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 -> ae0bc8a5833a745fb541966dfd5a576317615a6bca1fbcac40f9d347fd7b8190 [2024-11-13 21:24:49,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:24:49,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:24:49,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:24:49,137 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:24:49,138 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:24:49,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_01_bad.i Unable to find full path for "g++" [2024-11-13 21:24:51,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:24:51,829 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:24:51,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_01_bad.i [2024-11-13 21:24:51,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/data/49920596f/1efdcf9b99d94fca93979d9b78ea937b/FLAGec07530d6 [2024-11-13 21:24:51,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/data/49920596f/1efdcf9b99d94fca93979d9b78ea937b [2024-11-13 21:24:51,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:24:51,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:24:51,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:51,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:24:51,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:24:51,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:51" (1/1) ... [2024-11-13 21:24:51,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d83ee17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:51, skipping insertion in model container [2024-11-13 21:24:51,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:51" (1/1) ... [2024-11-13 21:24:51,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:24:53,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:53,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:24:53,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:53,571 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:24:53,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:53 WrapperNode [2024-11-13 21:24:53,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:53,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:53,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:24:53,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:24:53,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:53" (1/1) ... [2024-11-13 21:24:53,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:53" (1/1) ... [2024-11-13 21:24:53,661 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-13 21:24:53,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:53,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:24:53,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:24:53,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:24:53,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:53" (1/1) ... [2024-11-13 21:24:53,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:53" (1/1) ... [2024-11-13 21:24:53,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:53" (1/1) ... [2024-11-13 21:24:53,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:53" (1/1) ... [2024-11-13 21:24:53,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:53" (1/1) ... [2024-11-13 21:24:53,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:53" (1/1) ... [2024-11-13 21:24:53,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:53" (1/1) ... [2024-11-13 21:24:53,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:53" (1/1) ... [2024-11-13 21:24:53,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:24:53,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:24:53,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:24:53,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:24:53,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:53" (1/1) ... [2024-11-13 21:24:53,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:53,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:24:53,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:24:53,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:24:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:24:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:24:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:24:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:24:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:24:53,998 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:24:54,000 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:24:54,176 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 21:24:54,176 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:24:54,249 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:24:54,249 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:24:54,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:54 BoogieIcfgContainer [2024-11-13 21:24:54,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:24:54,251 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:24:54,251 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:24:54,264 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:24:54,264 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:54" (1/1) ... [2024-11-13 21:24:54,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:24:54,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:54,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:24:54,356 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:24:54,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:24:54,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:54,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:54,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:54,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:54,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:24:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:54,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:24:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:54,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:24:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:54,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:24:54,729 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:24:54,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:24:54 ImpRootNode [2024-11-13 21:24:54,771 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:24:54,772 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:24:54,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:24:54,773 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:24:54,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:54" (3/4) ... [2024-11-13 21:24:54,779 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:24:54,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:24:54,783 INFO L158 Benchmark]: Toolchain (without parser) took 2899.76ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 43.7MB in the end (delta: 13.9MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-13 21:24:54,784 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:54,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1689.56ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 51.2MB in the end (delta: 6.4MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-11-13 21:24:54,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.58ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:54,785 INFO L158 Benchmark]: Boogie Preprocessor took 56.00ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 47.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:54,786 INFO L158 Benchmark]: RCFGBuilder took 529.60ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 32.5MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:24:54,786 INFO L158 Benchmark]: CodeCheck took 520.05ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 43.8MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:54,786 INFO L158 Benchmark]: Witness Printer took 7.76ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:54,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_min_predec_01_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1689.56ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 51.2MB in the end (delta: 6.4MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.58ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.00ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 47.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 529.60ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 32.5MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 520.05ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 43.8MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.76ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:24:54,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f61c480-7086-46fb-9e19-cee8805d1ca9/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