./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_15_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_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/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_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/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_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/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 ece2b75d4a112e367dff679bc857d32738827cd18f5b19c6d005f89a273f415d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:20:19,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:20:19,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:20:19,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:20:19,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:20:19,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:20:19,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:20:19,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:20:19,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:20:19,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:20:19,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:20:19,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:20:19,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:20:19,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:20:19,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:20:19,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:20:19,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:20:19,690 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:20:19,691 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:20:19,692 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:20:19,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:20:19,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:20:19,692 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:20:19,692 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:20:19,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:20:19,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:20:19,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:19,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:20:19,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:20:19,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:20:19,693 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:20:19,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:20:19,693 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_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/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 -> ece2b75d4a112e367dff679bc857d32738827cd18f5b19c6d005f89a273f415d [2024-11-13 20:20:20,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:20:20,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:20:20,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:20:20,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:20:20,109 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:20:20,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_15_bad.i Unable to find full path for "g++" [2024-11-13 20:20:22,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:20:23,135 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:20:23,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_15_bad.i [2024-11-13 20:20:23,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/data/254a535d3/8d9a3ffda8404e9ab15f8a955dccb77b/FLAG90198c959 [2024-11-13 20:20:23,487 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/data/254a535d3/8d9a3ffda8404e9ab15f8a955dccb77b [2024-11-13 20:20:23,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:20:23,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:20:23,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:23,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:20:23,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:20:23,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:23" (1/1) ... [2024-11-13 20:20:23,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702270da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:23, skipping insertion in model container [2024-11-13 20:20:23,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:23" (1/1) ... [2024-11-13 20:20:23,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:20:24,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:24,698 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:20:24,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:25,016 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:20:25,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25 WrapperNode [2024-11-13 20:20:25,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:25,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:25,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:20:25,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:20:25,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,098 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-13 20:20:25,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:25,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:20:25,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:20:25,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:20:25,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:20:25,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:20:25,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:20:25,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:20:25,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:25,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:20:25,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:20:25,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:20:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:20:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:20:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:20:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:20:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:20:25,491 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:20:25,493 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:20:25,679 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 20:20:25,679 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:20:25,746 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:20:25,747 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:20:25,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:25 BoogieIcfgContainer [2024-11-13 20:20:25,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:20:25,748 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:20:25,748 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:20:25,763 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:20:25,763 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:20:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:25,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 20:20:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 20:20:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:20:25,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:25,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:26,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:26,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:26,204 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:20:26,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:20:26 ImpRootNode [2024-11-13 20:20:26,252 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:20:26,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:20:26,254 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:20:26,254 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:20:26,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:25" (3/4) ... [2024-11-13 20:20:26,257 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:20:26,259 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:20:26,260 INFO L158 Benchmark]: Toolchain (without parser) took 2767.54ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 93.0MB in the end (delta: 22.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-13 20:20:26,260 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:26,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1523.69ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 56.0MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:20:26,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.10ms. Allocated memory is still 142.6MB. Free memory was 56.0MB in the beginning and 53.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:26,262 INFO L158 Benchmark]: Boogie Preprocessor took 45.28ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 52.5MB in the end (delta: 722.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:26,262 INFO L158 Benchmark]: RCFGBuilder took 600.89ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 106.9MB in the end (delta: -54.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:26,263 INFO L158 Benchmark]: CodeCheck took 504.37ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 93.0MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:26,263 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 142.6MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:26,267 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, 20 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1577. 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); [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] 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] [L1578] CALL CWE191_Integer_Underflow__int_min_sub_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] 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] [L1563] case 7: 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] [L1565] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1523.69ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 56.0MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.10ms. Allocated memory is still 142.6MB. Free memory was 56.0MB in the beginning and 53.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.28ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 52.5MB in the end (delta: 722.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 600.89ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 106.9MB in the end (delta: -54.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * CodeCheck took 504.37ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 93.0MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 142.6MB. Free memory is still 93.0MB. 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 20:20:26,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/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_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/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_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/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 ece2b75d4a112e367dff679bc857d32738827cd18f5b19c6d005f89a273f415d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:20:29,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:20:29,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:20:29,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:20:29,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:20:29,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:20:29,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:20:29,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:20:29,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:20:29,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:20:29,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:20:29,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:20:29,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:20:29,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:20:29,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:20:29,927 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:20:29,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:20:29,928 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:20:29,928 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:20:29,928 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:20:29,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:20:29,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:20:29,928 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:20:29,929 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:20:29,929 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:20:29,929 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:29,929 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:20:29,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:20:29,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:29,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:20:29,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:20:29,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:20:29,930 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:20:29,930 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:29,930 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:20:29,930 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_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/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 -> ece2b75d4a112e367dff679bc857d32738827cd18f5b19c6d005f89a273f415d [2024-11-13 20:20:30,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:20:30,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:20:30,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:20:30,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:20:30,395 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:20:30,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_15_bad.i Unable to find full path for "g++" [2024-11-13 20:20:32,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:20:32,827 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:20:32,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_15_bad.i [2024-11-13 20:20:32,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/data/7383a6737/ef066c55ff1447a88b4e1c589bfd9ba5/FLAG44fa0e83e [2024-11-13 20:20:32,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/data/7383a6737/ef066c55ff1447a88b4e1c589bfd9ba5 [2024-11-13 20:20:32,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:20:32,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:20:32,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:32,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:20:32,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:20:32,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:32" (1/1) ... [2024-11-13 20:20:32,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735a2cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:32, skipping insertion in model container [2024-11-13 20:20:32,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:32" (1/1) ... [2024-11-13 20:20:32,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:20:33,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:33,871 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:20:33,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:34,184 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:20:34,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34 WrapperNode [2024-11-13 20:20:34,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:34,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:34,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:20:34,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:20:34,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,248 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-13 20:20:34,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:34,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:20:34,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:20:34,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:20:34,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:20:34,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:20:34,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:20:34,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:20:34,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:34,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:20:34,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:20:34,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:20:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:20:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:20:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:20:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:20:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:20:34,575 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:20:34,578 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:20:34,745 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 20:20:34,745 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:20:34,821 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:20:34,821 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:20:34,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:34 BoogieIcfgContainer [2024-11-13 20:20:34,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:20:34,824 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:20:34,824 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:20:34,849 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:20:34,850 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:20:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 20:20:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 20:20:34,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:20:34,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:34,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:34,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:34,923 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:34,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:20:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:35,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:35,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:35,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:20:35,293 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:20:35,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:20:35 ImpRootNode [2024-11-13 20:20:35,330 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:20:35,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:20:35,332 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:20:35,332 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:20:35,333 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:34" (3/4) ... [2024-11-13 20:20:35,335 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:20:35,337 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:20:35,340 INFO L158 Benchmark]: Toolchain (without parser) took 2449.90ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 40.1MB in the end (delta: 16.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-13 20:20:35,340 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:35,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1296.26ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.6MB in the end (delta: 6.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 20:20:35,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.61ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 47.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:35,343 INFO L158 Benchmark]: Boogie Preprocessor took 48.63ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 46.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:35,343 INFO L158 Benchmark]: RCFGBuilder took 522.15ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 30.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:20:35,344 INFO L158 Benchmark]: CodeCheck took 506.75ms. Allocated memory is still 83.9MB. Free memory was 29.9MB in the beginning and 40.5MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:35,344 INFO L158 Benchmark]: Witness Printer took 5.31ms. Allocated memory is still 83.9MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:35,346 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, 20 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1577. 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); [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] 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] [L1578] CALL CWE191_Integer_Underflow__int_min_sub_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] 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] [L1563] case 7: 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] [L1565] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1296.26ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.6MB in the end (delta: 6.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.61ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 47.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.63ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 46.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 522.15ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 30.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 506.75ms. Allocated memory is still 83.9MB. Free memory was 29.9MB in the beginning and 40.5MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.31ms. Allocated memory is still 83.9MB. Free memory is still 40.1MB. 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 20:20:35,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b9cfed4-40ee-4709-bb73-7cdcd2dacca0/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