./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_61_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_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/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_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/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_61b7fa87-a697-4153-bf3e-382deec747ba/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 bb0929b2cee20dd8a3023c6ad4215f33783e62e7ce23a55f27e3c7af3147cb4e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:57:44,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:57:44,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:57:44,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:57:44,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:57:44,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:57:44,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:57:44,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:57:44,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:57:44,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:57:44,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:57:44,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:57:44,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:57:44,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:57:44,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:57:44,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:57:44,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:57:44,496 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:57:44,497 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:57:44,497 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:57:44,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:57:44,497 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:57:44,498 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:57:44,498 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:57:44,498 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:57:44,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:57:44,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:57:44,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:57:44,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:57:44,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:57:44,500 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:57:44,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:57:44,500 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_61b7fa87-a697-4153-bf3e-382deec747ba/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 -> bb0929b2cee20dd8a3023c6ad4215f33783e62e7ce23a55f27e3c7af3147cb4e [2024-11-13 20:57:44,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:57:44,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:57:44,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:57:44,866 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:57:44,867 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:57:44,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_61_bad.i Unable to find full path for "g++" [2024-11-13 20:57:46,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:57:47,464 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:57:47,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_61_bad.i [2024-11-13 20:57:47,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/data/52ca05caa/d44ccb97a36d45479b9b849f2b004168/FLAG1b86431e1 [2024-11-13 20:57:47,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/data/52ca05caa/d44ccb97a36d45479b9b849f2b004168 [2024-11-13 20:57:47,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:57:47,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:57:47,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:57:47,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:57:47,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:57:47,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1d9372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47, skipping insertion in model container [2024-11-13 20:57:47,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:57:48,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:57:48,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:57:48,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:57:48,985 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:57:48,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:48 WrapperNode [2024-11-13 20:57:48,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:57:48,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:57:48,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:57:48,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:57:48,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:48" (1/1) ... [2024-11-13 20:57:49,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:48" (1/1) ... [2024-11-13 20:57:49,036 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-13 20:57:49,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:57:49,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:57:49,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:57:49,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:57:49,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:48" (1/1) ... [2024-11-13 20:57:49,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:48" (1/1) ... [2024-11-13 20:57:49,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:48" (1/1) ... [2024-11-13 20:57:49,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:48" (1/1) ... [2024-11-13 20:57:49,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:48" (1/1) ... [2024-11-13 20:57:49,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:48" (1/1) ... [2024-11-13 20:57:49,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:48" (1/1) ... [2024-11-13 20:57:49,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:48" (1/1) ... [2024-11-13 20:57:49,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:57:49,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:57:49,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:57:49,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:57:49,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:48" (1/1) ... [2024-11-13 20:57:49,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:57:49,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:57:49,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:57:49,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:57:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:57:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:57:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:57:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:57:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:57:49,279 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:57:49,281 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:57:49,429 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 20:57:49,429 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:57:49,497 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:57:49,498 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:57:49,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:49 BoogieIcfgContainer [2024-11-13 20:57:49,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:57:49,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:57:49,502 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:57:49,513 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:57:49,513 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:49" (1/1) ... [2024-11-13 20:57:49,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:57:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:57:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:57:49,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:57:49,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:49,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:57:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:49,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:57:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:49,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:57:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:49,851 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:57:49,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:57:49 ImpRootNode [2024-11-13 20:57:49,893 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:57:49,893 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:57:49,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:57:49,894 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:57:49,894 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:49" (3/4) ... [2024-11-13 20:57:49,897 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:57:49,898 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:57:49,899 INFO L158 Benchmark]: Toolchain (without parser) took 2354.81ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 51.5MB in the end (delta: 39.0MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 20:57:49,899 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:49,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1438.42ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 82.2MB in the end (delta: 8.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 20:57:49,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.06ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 79.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:49,900 INFO L158 Benchmark]: Boogie Preprocessor took 21.77ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:57:49,901 INFO L158 Benchmark]: RCFGBuilder took 441.90ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 64.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:57:49,905 INFO L158 Benchmark]: CodeCheck took 390.72ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 51.5MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:57:49,905 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 117.4MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:49,908 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: 1555]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_min_postdec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_min_postdec_61b_badSource(data) [L1570] data = (-0x7fffffff - 1) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_min_postdec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_min_postdec_61b_badSource(data) [L1555] 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 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1438.42ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 82.2MB in the end (delta: 8.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.06ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 79.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.77ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 441.90ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 64.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 390.72ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 51.5MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 117.4MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:57:49,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/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_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/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_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/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_61b7fa87-a697-4153-bf3e-382deec747ba/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 bb0929b2cee20dd8a3023c6ad4215f33783e62e7ce23a55f27e3c7af3147cb4e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:57:52,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:57:52,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:57:52,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:57:52,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:57:52,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:57:52,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:57:52,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:57:52,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:57:52,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:57:52,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:57:52,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:57:52,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:57:52,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:57:52,924 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:57:52,924 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:57:52,924 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:57:52,924 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:57:52,924 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:57:52,924 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:57:52,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:57:52,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:57:52,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:57:52,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:57:52,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:57:52,925 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:52,932 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:57:52,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:57:52,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:57:52,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:57:52,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:57:52,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:57:52,936 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:57:52,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:52,937 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:57:52,937 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_61b7fa87-a697-4153-bf3e-382deec747ba/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 -> bb0929b2cee20dd8a3023c6ad4215f33783e62e7ce23a55f27e3c7af3147cb4e [2024-11-13 20:57:53,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:57:53,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:57:53,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:57:53,244 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:57:53,244 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:57:53,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_61_bad.i Unable to find full path for "g++" [2024-11-13 20:57:55,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:57:55,737 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:57:55,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_61_bad.i [2024-11-13 20:57:55,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/data/33d3ef47e/d6bc64af9ec849b49c8caf9d37a7044a/FLAGe9065836c [2024-11-13 20:57:55,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/data/33d3ef47e/d6bc64af9ec849b49c8caf9d37a7044a [2024-11-13 20:57:55,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:57:55,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:57:55,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:57:55,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:57:55,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:57:55,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:57:55" (1/1) ... [2024-11-13 20:57:55,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2faaefb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:55, skipping insertion in model container [2024-11-13 20:57:55,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:57:55" (1/1) ... [2024-11-13 20:57:55,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:57:56,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:57:56,950 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:57:57,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:57:57,247 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:57:57,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:57 WrapperNode [2024-11-13 20:57:57,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:57:57,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:57:57,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:57:57,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:57:57,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:57" (1/1) ... [2024-11-13 20:57:57,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:57" (1/1) ... [2024-11-13 20:57:57,296 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-13 20:57:57,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:57:57,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:57:57,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:57:57,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:57:57,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:57" (1/1) ... [2024-11-13 20:57:57,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:57" (1/1) ... [2024-11-13 20:57:57,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:57" (1/1) ... [2024-11-13 20:57:57,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:57" (1/1) ... [2024-11-13 20:57:57,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:57" (1/1) ... [2024-11-13 20:57:57,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:57" (1/1) ... [2024-11-13 20:57:57,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:57" (1/1) ... [2024-11-13 20:57:57,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:57" (1/1) ... [2024-11-13 20:57:57,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:57:57,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:57:57,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:57:57,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:57:57,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:57" (1/1) ... [2024-11-13 20:57:57,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:57:57,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:57:57,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:57:57,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:57:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:57:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:57:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:57:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:57:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:57:57,587 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:57:57,588 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:57:57,745 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 20:57:57,745 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:57:57,820 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:57:57,821 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:57:57,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:57 BoogieIcfgContainer [2024-11-13 20:57:57,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:57:57,823 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:57:57,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:57:57,834 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:57:57,835 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:57" (1/1) ... [2024-11-13 20:57:57,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:57:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:57:57,901 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:57:57,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:57:57,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:57,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:57,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:57,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:57,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:57:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:58,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:57:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:58,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:57:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:58,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:57:58,247 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:57:58,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:57:58 ImpRootNode [2024-11-13 20:57:58,282 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:57:58,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:57:58,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:57:58,283 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:57:58,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:57" (3/4) ... [2024-11-13 20:57:58,288 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:57:58,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:57:58,290 INFO L158 Benchmark]: Toolchain (without parser) took 2438.01ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 83.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-13 20:57:58,290 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:58,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1393.30ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 68.0MB in the end (delta: 20.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-13 20:57:58,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.46ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 64.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:58,291 INFO L158 Benchmark]: Boogie Preprocessor took 46.71ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 63.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:58,292 INFO L158 Benchmark]: RCFGBuilder took 477.85ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 47.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:57:58,295 INFO L158 Benchmark]: CodeCheck took 459.42ms. Allocated memory is still 117.4MB. Free memory was 47.7MB in the beginning and 84.6MB in the end (delta: -36.8MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-11-13 20:57:58,295 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 83.9MB in the end (delta: 694.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:58,297 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: 1555]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_min_postdec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_min_postdec_61b_badSource(data) [L1570] data = (-0x7fffffff - 1) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_min_postdec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_min_postdec_61b_badSource(data) [L1555] 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 0.44ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1393.30ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 68.0MB in the end (delta: 20.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.46ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 64.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.71ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 63.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 477.85ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 47.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 459.42ms. Allocated memory is still 117.4MB. Free memory was 47.7MB in the beginning and 84.6MB in the end (delta: -36.8MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 83.9MB in the end (delta: 694.8kB). 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 20:57:58,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b7fa87-a697-4153-bf3e-382deec747ba/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