./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk --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 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:01:19,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:01:19,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 01:01:19,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:01:19,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 01:01:19,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:01:19,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:01:19,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:01:19,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:01:19,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:01:19,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:01:19,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:01:19,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:01:19,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:01:19,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:01:19,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:01:19,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:01:19,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:01:19,287 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:01:19,287 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:01:19,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:01:19,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:01:19,288 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:01:19,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:01:19,289 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:01:19,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:01:19,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:01:19,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:01:19,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:01:19,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:01:19,292 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 01:01:19,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:01:19,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd [2024-11-09 01:01:19,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:01:19,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:01:19,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:01:19,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:01:19,566 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:01:19,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i Unable to find full path for "g++" [2024-11-09 01:01:21,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:01:22,040 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:01:22,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-09 01:01:22,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/data/df37b820a/6ad2ac29ca5a428fbf5e4a57e4f56f76/FLAG505d1b0db [2024-11-09 01:01:22,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/data/df37b820a/6ad2ac29ca5a428fbf5e4a57e4f56f76 [2024-11-09 01:01:22,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:01:22,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:01:22,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:01:22,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:01:22,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:01:22,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:01:22" (1/1) ... [2024-11-09 01:01:22,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353eb1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:22, skipping insertion in model container [2024-11-09 01:01:22,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:01:22" (1/1) ... [2024-11-09 01:01:22,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:01:23,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:01:23,282 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:01:23,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:01:23,624 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:01:23,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23 WrapperNode [2024-11-09 01:01:23,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:01:23,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:01:23,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:01:23,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:01:23,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,680 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 46 [2024-11-09 01:01:23,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:01:23,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:01:23,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:01:23,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:01:23,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:01:23,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:01:23,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:01:23,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:01:23,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:01:23,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:01:23,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:01:23,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:01:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 01:01:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 01:01:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:01:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:01:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:01:23,921 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:01:23,924 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:01:24,046 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-09 01:01:24,046 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:01:24,090 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:01:24,091 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:01:24,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:24 BoogieIcfgContainer [2024-11-09 01:01:24,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:01:24,092 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:01:24,092 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:01:24,103 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:01:24,103 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:24" (1/1) ... [2024-11-09 01:01:24,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:24,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 01:01:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 01:01:24,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 01:01:24,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:24,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:01:24,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:01:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:01:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:01:24,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:01:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:01:24,395 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 01:01:24,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 01:01:24 ImpRootNode [2024-11-09 01:01:24,425 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 01:01:24,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:01:24,425 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:01:24,426 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:01:24,426 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:24" (3/4) ... [2024-11-09 01:01:24,429 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:01:24,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:01:24,431 INFO L158 Benchmark]: Toolchain (without parser) took 2192.17ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 108.6MB in the beginning and 105.7MB in the end (delta: 2.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-09 01:01:24,431 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:01:24,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1385.63ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 108.6MB in the beginning and 140.3MB in the end (delta: -31.7MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2024-11-09 01:01:24,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.49ms. Allocated memory is still 195.0MB. Free memory was 140.3MB in the beginning and 137.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:01:24,434 INFO L158 Benchmark]: Boogie Preprocessor took 23.91ms. Allocated memory is still 195.0MB. Free memory was 137.2MB in the beginning and 136.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:01:24,434 INFO L158 Benchmark]: RCFGBuilder took 385.82ms. Allocated memory is still 195.0MB. Free memory was 136.1MB in the beginning and 121.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:01:24,435 INFO L158 Benchmark]: CodeCheck took 332.62ms. Allocated memory is still 195.0MB. Free memory was 121.4MB in the beginning and 106.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:01:24,436 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 195.0MB. Free memory was 106.7MB in the beginning and 105.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:01:24,440 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: 1582]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_sub_54e_badSink(data) [L1582] 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 0.21ms. Allocated memory is still 153.1MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1385.63ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 108.6MB in the beginning and 140.3MB in the end (delta: -31.7MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.49ms. Allocated memory is still 195.0MB. Free memory was 140.3MB in the beginning and 137.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.91ms. Allocated memory is still 195.0MB. Free memory was 137.2MB in the beginning and 136.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.82ms. Allocated memory is still 195.0MB. Free memory was 136.1MB in the beginning and 121.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 332.62ms. Allocated memory is still 195.0MB. Free memory was 121.4MB in the beginning and 106.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 195.0MB. Free memory was 106.7MB in the beginning and 105.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:01:24,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk --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 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:01:26,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:01:26,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 01:01:26,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:01:26,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:01:26,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:01:26,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:01:26,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:01:26,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:01:26,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:01:26,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:01:26,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:01:26,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:01:26,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:01:26,977 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:01:26,980 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:01:26,981 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:01:26,981 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:01:26,981 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:01:26,982 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:01:26,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:01:26,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:01:26,984 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:01:26,984 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:01:26,986 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:01:26,986 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:26,986 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 01:01:26,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:01:26,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:01:26,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:01:26,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:01:26,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:01:26,988 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:01:26,988 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:26,989 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 01:01:26,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd [2024-11-09 01:01:27,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:01:27,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:01:27,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:01:27,414 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:01:27,415 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:01:27,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i Unable to find full path for "g++" [2024-11-09 01:01:29,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:01:29,786 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:01:29,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-09 01:01:29,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/data/341f517bb/0980803091154a7f9b1c4edd2011e372/FLAG01f4ca70f [2024-11-09 01:01:29,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/data/341f517bb/0980803091154a7f9b1c4edd2011e372 [2024-11-09 01:01:29,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:01:29,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:01:29,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:01:29,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:01:29,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:01:29,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:01:29" (1/1) ... [2024-11-09 01:01:29,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2f1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:29, skipping insertion in model container [2024-11-09 01:01:29,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:01:29" (1/1) ... [2024-11-09 01:01:29,923 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:01:31,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:01:31,056 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:01:31,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:01:31,357 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:01:31,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:31 WrapperNode [2024-11-09 01:01:31,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:01:31,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:01:31,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:01:31,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:01:31,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:31" (1/1) ... [2024-11-09 01:01:31,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:31" (1/1) ... [2024-11-09 01:01:31,438 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 46 [2024-11-09 01:01:31,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:01:31,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:01:31,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:01:31,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:01:31,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:31" (1/1) ... [2024-11-09 01:01:31,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:31" (1/1) ... [2024-11-09 01:01:31,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:31" (1/1) ... [2024-11-09 01:01:31,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:31" (1/1) ... [2024-11-09 01:01:31,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:31" (1/1) ... [2024-11-09 01:01:31,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:31" (1/1) ... [2024-11-09 01:01:31,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:31" (1/1) ... [2024-11-09 01:01:31,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:31" (1/1) ... [2024-11-09 01:01:31,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:01:31,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:01:31,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:01:31,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:01:31,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:31" (1/1) ... [2024-11-09 01:01:31,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:01:31,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:01:31,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:01:31,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:01:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 01:01:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 01:01:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:01:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:01:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:01:31,748 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:01:31,751 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:01:31,908 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 01:01:31,908 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:01:31,982 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:01:31,983 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:01:31,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:31 BoogieIcfgContainer [2024-11-09 01:01:31,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:01:31,988 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:01:31,988 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:01:31,998 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:01:31,998 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:31" (1/1) ... [2024-11-09 01:01:32,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:32,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:32,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 01:01:32,072 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 01:01:32,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 01:01:32,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:32,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:32,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:32,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:32,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 01:01:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:01:32,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:01:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:01:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:01:32,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:01:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:01:32,426 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 01:01:32,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 01:01:32,431 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 01:01:32,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 01:01:32 ImpRootNode [2024-11-09 01:01:32,469 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 01:01:32,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:01:32,472 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:01:32,472 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:01:32,472 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:31" (3/4) ... [2024-11-09 01:01:32,475 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:01:32,476 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:01:32,477 INFO L158 Benchmark]: Toolchain (without parser) took 2644.41ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 51.3MB in the beginning and 53.1MB in the end (delta: -1.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-09 01:01:32,478 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:01:32,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1523.97ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 51.3MB in the beginning and 55.0MB in the end (delta: -3.6MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-09 01:01:32,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.36ms. Allocated memory is still 107.0MB. Free memory was 55.0MB in the beginning and 51.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:01:32,481 INFO L158 Benchmark]: Boogie Preprocessor took 49.27ms. Allocated memory is still 107.0MB. Free memory was 51.8MB in the beginning and 49.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:01:32,482 INFO L158 Benchmark]: RCFGBuilder took 495.50ms. Allocated memory is still 107.0MB. Free memory was 49.7MB in the beginning and 67.8MB in the end (delta: -18.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-09 01:01:32,483 INFO L158 Benchmark]: CodeCheck took 480.93ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 53.9MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:01:32,484 INFO L158 Benchmark]: Witness Printer took 7.13ms. Allocated memory is still 107.0MB. Free memory was 53.9MB in the beginning and 53.1MB in the end (delta: 743.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:01:32,490 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: 1582]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_sub_54e_badSink(data) [L1582] 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 0.22ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1523.97ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 51.3MB in the beginning and 55.0MB in the end (delta: -3.6MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.36ms. Allocated memory is still 107.0MB. Free memory was 55.0MB in the beginning and 51.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.27ms. Allocated memory is still 107.0MB. Free memory was 51.8MB in the beginning and 49.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.50ms. Allocated memory is still 107.0MB. Free memory was 49.7MB in the beginning and 67.8MB in the end (delta: -18.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * CodeCheck took 480.93ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 53.9MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.13ms. Allocated memory is still 107.0MB. Free memory was 53.9MB in the beginning and 53.1MB in the end (delta: 743.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:01:32,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829736-7868-4812-bac5-2d10e8ee9bcc/bin/ukojak-verify-ImItNfHLgk/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