./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_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_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/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_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/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_25000dab-bceb-4699-9e07-8492ba421db4/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 c8235cabd8f74de0262548be1dc4e99f6f0287c9ac4b28e3db016c68f460869c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:23:12,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:23:12,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:23:12,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:23:12,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:23:12,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:23:12,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:23:12,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:23:12,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:23:12,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:23:12,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:23:12,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:23:12,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:23:12,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:23:12,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:23:12,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:23:12,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:23:12,139 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:23:12,139 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:23:12,140 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:23:12,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:23:12,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:23:12,140 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:23:12,140 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:23:12,140 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:23:12,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:23:12,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:12,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:23:12,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:23:12,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:23:12,141 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:23:12,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:23:12,141 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_25000dab-bceb-4699-9e07-8492ba421db4/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 -> c8235cabd8f74de0262548be1dc4e99f6f0287c9ac4b28e3db016c68f460869c [2024-11-13 21:23:12,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:23:12,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:23:12,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:23:12,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:23:12,452 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:23:12,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i Unable to find full path for "g++" [2024-11-13 21:23:14,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:23:14,788 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:23:14,788 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i [2024-11-13 21:23:14,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/data/84885d2b7/6e02ca785c9b45f9b20996917b257555/FLAG0f80f6acd [2024-11-13 21:23:14,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/data/84885d2b7/6e02ca785c9b45f9b20996917b257555 [2024-11-13 21:23:14,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:23:14,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:23:14,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:14,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:23:14,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:23:14,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:14" (1/1) ... [2024-11-13 21:23:14,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49234266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:14, skipping insertion in model container [2024-11-13 21:23:14,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:14" (1/1) ... [2024-11-13 21:23:14,923 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:23:15,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:15,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:23:16,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:16,165 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:23:16,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:16 WrapperNode [2024-11-13 21:23:16,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:16,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:16,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:23:16,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:23:16,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:16" (1/1) ... [2024-11-13 21:23:16,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:16" (1/1) ... [2024-11-13 21:23:16,207 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-13 21:23:16,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:16,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:23:16,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:23:16,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:23:16,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:16" (1/1) ... [2024-11-13 21:23:16,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:16" (1/1) ... [2024-11-13 21:23:16,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:16" (1/1) ... [2024-11-13 21:23:16,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:16" (1/1) ... [2024-11-13 21:23:16,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:16" (1/1) ... [2024-11-13 21:23:16,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:16" (1/1) ... [2024-11-13 21:23:16,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:16" (1/1) ... [2024-11-13 21:23:16,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:16" (1/1) ... [2024-11-13 21:23:16,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:23:16,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:23:16,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:23:16,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:23:16,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:16" (1/1) ... [2024-11-13 21:23:16,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:16,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:23:16,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:23:16,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:23:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:23:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:23:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:23:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:23:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:23:16,458 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:23:16,459 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:23:16,565 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:23:16,565 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:23:16,621 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:23:16,621 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:23:16,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:16 BoogieIcfgContainer [2024-11-13 21:23:16,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:23:16,622 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:23:16,623 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:23:16,636 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:23:16,636 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:16" (1/1) ... [2024-11-13 21:23:16,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:23:16,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:23:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:23:16,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:23:16,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:16,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:23:16,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:23:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:23:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:23:16,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:23:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:23:16,986 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:23:17,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:23:17 ImpRootNode [2024-11-13 21:23:17,025 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:23:17,026 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:23:17,027 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:23:17,027 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:23:17,028 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:16" (3/4) ... [2024-11-13 21:23:17,031 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:23:17,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:23:17,033 INFO L158 Benchmark]: Toolchain (without parser) took 2178.92ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 50.8MB in the end (delta: 38.5MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-13 21:23:17,035 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:17,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1309.58ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 81.6MB in the end (delta: 7.6MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-11-13 21:23:17,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.87ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:23:17,037 INFO L158 Benchmark]: Boogie Preprocessor took 25.95ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:17,037 INFO L158 Benchmark]: RCFGBuilder took 387.38ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 64.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:23:17,038 INFO L158 Benchmark]: CodeCheck took 402.72ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 50.8MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:23:17,038 INFO L158 Benchmark]: Witness Printer took 6.37ms. Allocated memory is still 117.4MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:17,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] 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] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] 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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1309.58ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 81.6MB in the end (delta: 7.6MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.87ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.95ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 387.38ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 64.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 402.72ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 50.8MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.37ms. Allocated memory is still 117.4MB. Free memory is still 50.8MB. 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 21:23:17,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/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_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/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_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/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_25000dab-bceb-4699-9e07-8492ba421db4/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 c8235cabd8f74de0262548be1dc4e99f6f0287c9ac4b28e3db016c68f460869c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:23:19,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:23:19,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:23:19,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:23:19,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:23:19,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:23:19,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:23:19,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:23:19,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:23:19,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:23:19,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:23:19,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:23:19,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:23:19,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:23:19,820 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:23:19,820 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:23:19,820 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:23:19,821 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:23:19,821 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:23:19,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:23:19,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:23:19,821 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:23:19,821 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:23:19,821 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:23:19,821 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:23:19,821 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:19,821 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:23:19,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:23:19,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:19,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:23:19,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:23:19,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:23:19,822 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:23:19,822 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:19,822 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:23:19,822 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_25000dab-bceb-4699-9e07-8492ba421db4/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 -> c8235cabd8f74de0262548be1dc4e99f6f0287c9ac4b28e3db016c68f460869c [2024-11-13 21:23:20,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:23:20,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:23:20,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:23:20,176 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:23:20,177 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:23:20,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i Unable to find full path for "g++" [2024-11-13 21:23:22,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:23:22,574 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:23:22,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i [2024-11-13 21:23:22,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/data/e3fd99d87/4a90880558b048eeb6e660718f069653/FLAG5df62db65 [2024-11-13 21:23:22,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/data/e3fd99d87/4a90880558b048eeb6e660718f069653 [2024-11-13 21:23:22,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:23:22,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:23:22,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:22,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:23:22,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:23:22,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d0e260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22, skipping insertion in model container [2024-11-13 21:23:22,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:23:23,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:23,967 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:23:24,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:24,292 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:23:24,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24 WrapperNode [2024-11-13 21:23:24,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:24,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:24,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:23:24,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:23:24,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,341 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-13 21:23:24,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:24,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:23:24,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:23:24,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:23:24,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:23:24,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:23:24,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:23:24,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:23:24,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:24,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:23:24,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:23:24,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:23:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:23:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:23:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:23:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:23:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:23:24,593 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:23:24,594 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:23:24,739 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:23:24,740 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:23:24,796 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:23:24,796 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:23:24,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:24 BoogieIcfgContainer [2024-11-13 21:23:24,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:23:24,797 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:23:24,798 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:23:24,808 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:23:24,808 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:23:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:24,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:23:24,871 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:23:24,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:23:24,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:24,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:24,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:24,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:24,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:23:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:23:25,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:23:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:23:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:23:25,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:23:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:23:25,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:23:25,227 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:23:25,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:23:25 ImpRootNode [2024-11-13 21:23:25,269 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:23:25,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:23:25,270 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:23:25,270 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:23:25,272 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:24" (3/4) ... [2024-11-13 21:23:25,275 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:23:25,275 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:23:25,279 INFO L158 Benchmark]: Toolchain (without parser) took 2602.54ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 83.4MB in the end (delta: 6.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-13 21:23:25,280 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:25,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1613.78ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 68.0MB in the end (delta: 21.2MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-13 21:23:25,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.07ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 65.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:25,281 INFO L158 Benchmark]: Boogie Preprocessor took 39.75ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:25,281 INFO L158 Benchmark]: RCFGBuilder took 413.93ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 47.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:23:25,282 INFO L158 Benchmark]: CodeCheck took 471.36ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 83.4MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:25,282 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:25,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] 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] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] 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 0.46ms. Allocated memory is still 117.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1613.78ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 68.0MB in the end (delta: 21.2MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.07ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 65.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.75ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 413.93ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 47.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 471.36ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 83.4MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:23:25,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25000dab-bceb-4699-9e07-8492ba421db4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample