./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/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_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/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_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/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 06bf133098404c5df892d7def67d6caeef77b427abe63e706b55c1d20b15007d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:35:24,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:35:24,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:35:24,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:35:24,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:35:24,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:35:24,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:35:24,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:35:24,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:35:24,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:35:24,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:35:24,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:35:24,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:35:24,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:35:24,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:35:24,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:35:24,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:35:24,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:35:24,671 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:35:24,672 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:35:24,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:35:24,676 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:35:24,676 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:35:24,677 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:35:24,677 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:35:24,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:35:24,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:35:24,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:35:24,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:35:24,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:35:24,679 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:35:24,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:35:24,679 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_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06bf133098404c5df892d7def67d6caeef77b427abe63e706b55c1d20b15007d [2024-11-08 19:35:24,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:35:24,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:35:24,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:35:24,994 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:35:24,994 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:35:24,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_01_bad.i Unable to find full path for "g++" [2024-11-08 19:35:27,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:35:27,465 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:35:27,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_01_bad.i [2024-11-08 19:35:27,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/data/fedf140df/03e9badaba6747d2aa1303017ed4014c/FLAG1781183d8 [2024-11-08 19:35:27,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/data/fedf140df/03e9badaba6747d2aa1303017ed4014c [2024-11-08 19:35:27,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:35:27,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:35:27,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:35:27,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:35:27,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:35:27,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:35:27" (1/1) ... [2024-11-08 19:35:27,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d62c9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:27, skipping insertion in model container [2024-11-08 19:35:27,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:35:27" (1/1) ... [2024-11-08 19:35:27,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:35:28,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:35:28,738 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:35:28,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:35:28,990 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:35:28,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:28 WrapperNode [2024-11-08 19:35:28,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:35:28,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:35:28,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:35:28,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:35:28,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:28" (1/1) ... [2024-11-08 19:35:29,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:28" (1/1) ... [2024-11-08 19:35:29,039 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2024-11-08 19:35:29,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:35:29,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:35:29,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:35:29,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:35:29,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:28" (1/1) ... [2024-11-08 19:35:29,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:28" (1/1) ... [2024-11-08 19:35:29,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:28" (1/1) ... [2024-11-08 19:35:29,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:28" (1/1) ... [2024-11-08 19:35:29,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:28" (1/1) ... [2024-11-08 19:35:29,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:28" (1/1) ... [2024-11-08 19:35:29,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:28" (1/1) ... [2024-11-08 19:35:29,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:28" (1/1) ... [2024-11-08 19:35:29,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:35:29,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:35:29,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:35:29,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:35:29,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:28" (1/1) ... [2024-11-08 19:35:29,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:35:29,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:35:29,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:35:29,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:35:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:35:29,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:35:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:35:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:35:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:35:29,270 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:35:29,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:35:29,381 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 19:35:29,381 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:35:29,425 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:35:29,426 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:35:29,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:35:29 BoogieIcfgContainer [2024-11-08 19:35:29,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:35:29,427 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:35:29,427 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:35:29,439 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:35:29,440 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:35:29" (1/1) ... [2024-11-08 19:35:29,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:35:29,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:35:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:35:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:35:29,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:35:29,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:35:29,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:35:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:35:29,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:35:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:35:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:35:29,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:35:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:35:29,760 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:35:29,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:35:29 ImpRootNode [2024-11-08 19:35:29,788 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:35:29,789 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:35:29,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:35:29,789 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:35:29,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:35:29" (3/4) ... [2024-11-08 19:35:29,792 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:35:29,794 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:35:29,794 INFO L158 Benchmark]: Toolchain (without parser) took 2263.13ms. Allocated memory is still 186.6MB. Free memory was 144.2MB in the beginning and 103.6MB in the end (delta: 40.6MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2024-11-08 19:35:29,795 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:35:29,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1458.42ms. Allocated memory is still 186.6MB. Free memory was 144.2MB in the beginning and 135.9MB in the end (delta: 8.3MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2024-11-08 19:35:29,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.46ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 132.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:35:29,797 INFO L158 Benchmark]: Boogie Preprocessor took 26.09ms. Allocated memory is still 186.6MB. Free memory was 132.9MB in the beginning and 131.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:35:29,798 INFO L158 Benchmark]: RCFGBuilder took 359.33ms. Allocated memory is still 186.6MB. Free memory was 131.7MB in the beginning and 118.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:35:29,798 INFO L158 Benchmark]: CodeCheck took 360.84ms. Allocated memory is still 186.6MB. Free memory was 118.3MB in the beginning and 103.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:35:29,799 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 186.6MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:35:29,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_min_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 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 0.40ms. Allocated memory is still 107.0MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1458.42ms. Allocated memory is still 186.6MB. Free memory was 144.2MB in the beginning and 135.9MB in the end (delta: 8.3MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.46ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 132.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.09ms. Allocated memory is still 186.6MB. Free memory was 132.9MB in the beginning and 131.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 359.33ms. Allocated memory is still 186.6MB. Free memory was 131.7MB in the beginning and 118.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 360.84ms. Allocated memory is still 186.6MB. Free memory was 118.3MB in the beginning and 103.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 186.6MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:35:29,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/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_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/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_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/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 06bf133098404c5df892d7def67d6caeef77b427abe63e706b55c1d20b15007d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:35:32,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:35:32,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:35:32,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:35:32,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:35:32,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:35:32,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:35:32,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:35:32,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:35:32,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:35:32,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:35:32,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:35:32,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:35:32,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:35:32,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:35:32,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:35:32,328 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:35:32,328 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:35:32,329 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:35:32,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:35:32,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:35:32,333 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:35:32,334 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:35:32,334 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:35:32,334 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:35:32,334 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:35:32,335 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:35:32,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:35:32,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:35:32,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:35:32,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:35:32,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:35:32,336 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:35:32,336 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:35:32,337 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:35:32,337 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_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06bf133098404c5df892d7def67d6caeef77b427abe63e706b55c1d20b15007d [2024-11-08 19:35:32,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:35:32,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:35:32,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:35:32,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:35:32,824 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:35:32,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_01_bad.i Unable to find full path for "g++" [2024-11-08 19:35:34,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:35:35,228 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:35:35,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_01_bad.i [2024-11-08 19:35:35,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/data/8d0f24f3f/dcbff47ad3b54353bf0f2646f1c14aba/FLAG4bd46240c [2024-11-08 19:35:35,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/data/8d0f24f3f/dcbff47ad3b54353bf0f2646f1c14aba [2024-11-08 19:35:35,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:35:35,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:35:35,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:35:35,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:35:35,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:35:35,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:35:35" (1/1) ... [2024-11-08 19:35:35,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f438e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:35, skipping insertion in model container [2024-11-08 19:35:35,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:35:35" (1/1) ... [2024-11-08 19:35:35,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:35:36,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:35:36,317 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:35:36,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:35:36,594 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:35:36,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:36 WrapperNode [2024-11-08 19:35:36,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:35:36,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:35:36,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:35:36,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:35:36,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:36" (1/1) ... [2024-11-08 19:35:36,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:36" (1/1) ... [2024-11-08 19:35:36,653 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2024-11-08 19:35:36,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:35:36,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:35:36,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:35:36,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:35:36,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:36" (1/1) ... [2024-11-08 19:35:36,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:36" (1/1) ... [2024-11-08 19:35:36,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:36" (1/1) ... [2024-11-08 19:35:36,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:36" (1/1) ... [2024-11-08 19:35:36,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:36" (1/1) ... [2024-11-08 19:35:36,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:36" (1/1) ... [2024-11-08 19:35:36,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:36" (1/1) ... [2024-11-08 19:35:36,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:36" (1/1) ... [2024-11-08 19:35:36,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:35:36,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:35:36,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:35:36,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:35:36,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:36" (1/1) ... [2024-11-08 19:35:36,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:35:36,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:35:36,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:35:36,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:35:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:35:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:35:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:35:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:35:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:35:37,004 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:35:37,007 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:35:37,147 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 19:35:37,147 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:35:37,219 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:35:37,219 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:35:37,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:35:37 BoogieIcfgContainer [2024-11-08 19:35:37,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:35:37,220 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:35:37,220 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:35:37,232 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:35:37,233 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:35:37" (1/1) ... [2024-11-08 19:35:37,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:35:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:35:37,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:35:37,311 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:35:37,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:35:37,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:35:37,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:35:37,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:35:37,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:35:37,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:35:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:35:37,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:35:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:35:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:35:37,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:35:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:35:37,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:35:37,636 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:35:37,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:35:37 ImpRootNode [2024-11-08 19:35:37,670 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:35:37,671 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:35:37,671 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:35:37,671 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:35:37,671 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:35:37" (3/4) ... [2024-11-08 19:35:37,676 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:35:37,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:35:37,681 INFO L158 Benchmark]: Toolchain (without parser) took 2401.46ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 44.1MB in the beginning and 43.7MB in the end (delta: 416.2kB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 19:35:37,681 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:35:37,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1317.76ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 44.0MB in the beginning and 47.6MB in the end (delta: -3.6MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2024-11-08 19:35:37,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.29ms. Allocated memory is still 100.7MB. Free memory was 47.6MB in the beginning and 44.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:35:37,683 INFO L158 Benchmark]: Boogie Preprocessor took 53.53ms. Allocated memory is still 100.7MB. Free memory was 44.4MB in the beginning and 73.1MB in the end (delta: -28.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-08 19:35:37,684 INFO L158 Benchmark]: RCFGBuilder took 511.46ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 57.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:35:37,685 INFO L158 Benchmark]: CodeCheck took 449.74ms. Allocated memory is still 100.7MB. Free memory was 57.3MB in the beginning and 43.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:35:37,686 INFO L158 Benchmark]: Witness Printer took 6.74ms. Allocated memory is still 100.7MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:35:37,692 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_min_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 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 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1317.76ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 44.0MB in the beginning and 47.6MB in the end (delta: -3.6MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.29ms. Allocated memory is still 100.7MB. Free memory was 47.6MB in the beginning and 44.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.53ms. Allocated memory is still 100.7MB. Free memory was 44.4MB in the beginning and 73.1MB in the end (delta: -28.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * RCFGBuilder took 511.46ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 57.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 449.74ms. Allocated memory is still 100.7MB. Free memory was 57.3MB in the beginning and 43.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.74ms. Allocated memory is still 100.7MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:35:37,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6d0eb0-3ea5-42c8-ba5c-39ffeb7949b4/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