./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_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_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/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_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/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_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/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 7aa98af8ab9bf9ee577e4ea447d1ae1577e966bce5274441f8c8f895c522ac0f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:23:39,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:23:39,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:23:39,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:23:39,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:23:39,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:23:39,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:23:39,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:23:39,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:23:39,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:23:39,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:23:39,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:23:39,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:23:39,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:23:39,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:23:39,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:23:39,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:23:39,745 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:23:39,745 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:23:39,746 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:23:39,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:23:39,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:23:39,747 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:23:39,748 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:23:39,748 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:23:39,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:23:39,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:39,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:23:39,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:23:39,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:23:39,751 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:23:39,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:23:39,751 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_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa98af8ab9bf9ee577e4ea447d1ae1577e966bce5274441f8c8f895c522ac0f [2024-11-08 22:23:40,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:23:40,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:23:40,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:23:40,066 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:23:40,066 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:23:40,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_bad.i Unable to find full path for "g++" [2024-11-08 22:23:42,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:23:42,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:23:42,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_bad.i [2024-11-08 22:23:42,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/data/afa289886/cb4b0481cdc6471ba378e0a1a4b50016/FLAGaf8417dca [2024-11-08 22:23:42,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/data/afa289886/cb4b0481cdc6471ba378e0a1a4b50016 [2024-11-08 22:23:42,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:23:42,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:23:42,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:42,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:23:42,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:23:42,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:42" (1/1) ... [2024-11-08 22:23:42,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a781812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:42, skipping insertion in model container [2024-11-08 22:23:42,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:42" (1/1) ... [2024-11-08 22:23:42,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:23:43,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:43,552 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:23:43,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:43,814 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:23:43,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:43 WrapperNode [2024-11-08 22:23:43,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:43,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:43,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:23:43,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:23:43,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:43" (1/1) ... [2024-11-08 22:23:43,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:43" (1/1) ... [2024-11-08 22:23:43,895 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-08 22:23:43,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:43,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:23:43,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:23:43,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:23:43,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:43" (1/1) ... [2024-11-08 22:23:43,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:43" (1/1) ... [2024-11-08 22:23:43,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:43" (1/1) ... [2024-11-08 22:23:43,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:43" (1/1) ... [2024-11-08 22:23:43,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:43" (1/1) ... [2024-11-08 22:23:43,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:43" (1/1) ... [2024-11-08 22:23:43,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:43" (1/1) ... [2024-11-08 22:23:43,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:43" (1/1) ... [2024-11-08 22:23:43,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:23:43,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:23:43,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:23:43,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:23:43,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:43" (1/1) ... [2024-11-08 22:23:43,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:43,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:23:43,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:23:43,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:23:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:23:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:23:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:23:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:23:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:23:44,278 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:23:44,280 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:23:44,380 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:23:44,380 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:23:44,429 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:23:44,430 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:23:44,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:44 BoogieIcfgContainer [2024-11-08 22:23:44,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:23:44,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:23:44,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:23:44,443 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:23:44,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:23:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:23:44,502 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:23:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:23:44,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:44,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:44,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:44,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:44,729 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:23:44,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:23:44 ImpRootNode [2024-11-08 22:23:44,757 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:23:44,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:23:44,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:23:44,760 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:23:44,762 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:44" (3/4) ... [2024-11-08 22:23:44,765 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:23:44,767 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:23:44,768 INFO L158 Benchmark]: Toolchain (without parser) took 2359.68ms. Allocated memory is still 169.9MB. Free memory was 134.1MB in the beginning and 112.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-08 22:23:44,770 INFO L158 Benchmark]: CDTParser took 15.95ms. Allocated memory is still 127.9MB. Free memory was 68.7MB in the beginning and 90.8MB in the end (delta: -22.1MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-08 22:23:44,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1405.38ms. Allocated memory is still 169.9MB. Free memory was 134.1MB in the beginning and 68.4MB in the end (delta: 65.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-08 22:23:44,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.47ms. Allocated memory is still 169.9MB. Free memory was 68.4MB in the beginning and 65.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:23:44,774 INFO L158 Benchmark]: Boogie Preprocessor took 27.72ms. Allocated memory is still 169.9MB. Free memory was 65.0MB in the beginning and 64.2MB in the end (delta: 807.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:23:44,775 INFO L158 Benchmark]: RCFGBuilder took 505.38ms. Allocated memory is still 169.9MB. Free memory was 64.2MB in the beginning and 127.9MB in the end (delta: -63.7MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-08 22:23:44,776 INFO L158 Benchmark]: CodeCheck took 325.70ms. Allocated memory is still 169.9MB. Free memory was 127.9MB in the beginning and 113.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:23:44,777 INFO L158 Benchmark]: Witness Printer took 7.67ms. Allocated memory is still 169.9MB. Free memory was 113.2MB in the beginning and 112.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:44,782 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalFive==5 [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 15.95ms. Allocated memory is still 127.9MB. Free memory was 68.7MB in the beginning and 90.8MB in the end (delta: -22.1MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1405.38ms. Allocated memory is still 169.9MB. Free memory was 134.1MB in the beginning and 68.4MB in the end (delta: 65.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.47ms. Allocated memory is still 169.9MB. Free memory was 68.4MB in the beginning and 65.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.72ms. Allocated memory is still 169.9MB. Free memory was 65.0MB in the beginning and 64.2MB in the end (delta: 807.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 505.38ms. Allocated memory is still 169.9MB. Free memory was 64.2MB in the beginning and 127.9MB in the end (delta: -63.7MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * CodeCheck took 325.70ms. Allocated memory is still 169.9MB. Free memory was 127.9MB in the beginning and 113.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.67ms. Allocated memory is still 169.9MB. Free memory was 113.2MB in the beginning and 112.1MB in the end (delta: 1.0MB). 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 [2024-11-08 22:23:44,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/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_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/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_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/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_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/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 7aa98af8ab9bf9ee577e4ea447d1ae1577e966bce5274441f8c8f895c522ac0f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:23:47,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:23:47,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:23:47,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:23:47,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:23:47,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:23:47,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:23:47,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:23:47,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:23:47,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:23:47,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:23:47,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:23:47,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:23:47,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:23:47,394 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:23:47,394 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:23:47,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:23:47,397 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:23:47,397 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:23:47,398 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:23:47,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:23:47,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:23:47,401 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:23:47,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:23:47,402 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:23:47,402 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:47,402 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:23:47,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:23:47,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:47,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:23:47,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:23:47,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:23:47,404 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:23:47,404 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:47,408 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:23:47,408 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_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa98af8ab9bf9ee577e4ea447d1ae1577e966bce5274441f8c8f895c522ac0f [2024-11-08 22:23:47,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:23:47,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:23:47,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:23:47,807 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:23:47,808 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:23:47,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_bad.i Unable to find full path for "g++" [2024-11-08 22:23:49,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:23:50,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:23:50,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_bad.i [2024-11-08 22:23:50,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/data/21914f9fe/5ead22f2110340aca31c5112235c7ade/FLAG03a30ec95 [2024-11-08 22:23:50,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/data/21914f9fe/5ead22f2110340aca31c5112235c7ade [2024-11-08 22:23:50,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:23:50,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:23:50,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:50,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:23:50,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:23:50,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:50" (1/1) ... [2024-11-08 22:23:50,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63538257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:50, skipping insertion in model container [2024-11-08 22:23:50,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:50" (1/1) ... [2024-11-08 22:23:50,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:23:51,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:51,407 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:23:51,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:51,696 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:23:51,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51 WrapperNode [2024-11-08 22:23:51,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:51,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:51,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:23:51,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:23:51,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,760 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-08 22:23:51,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:51,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:23:51,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:23:51,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:23:51,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:23:51,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:23:51,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:23:51,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:23:51,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:51,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:23:51,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:23:51,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:23:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:23:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:23:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:23:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:23:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:23:52,058 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:23:52,060 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:23:52,231 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:23:52,231 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:23:52,315 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:23:52,316 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:23:52,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:52 BoogieIcfgContainer [2024-11-08 22:23:52,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:23:52,318 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:23:52,318 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:23:52,328 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:23:52,328 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:52" (1/1) ... [2024-11-08 22:23:52,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:23:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:52,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:23:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:23:52,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:23:52,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:52,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:52,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:52,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:52,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:23:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:52,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:52,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:52,705 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:23:52,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:52,711 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:23:52,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:23:52 ImpRootNode [2024-11-08 22:23:52,750 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:23:52,751 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:23:52,753 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:23:52,753 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:23:52,754 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:52" (3/4) ... [2024-11-08 22:23:52,757 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:23:52,758 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:23:52,759 INFO L158 Benchmark]: Toolchain (without parser) took 2437.36ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 46.5MB in the beginning and 58.1MB in the end (delta: -11.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-08 22:23:52,760 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:23:52,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1372.07ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 46.1MB in the beginning and 67.7MB in the end (delta: -21.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-11-08 22:23:52,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.21ms. Allocated memory is still 98.6MB. Free memory was 67.7MB in the beginning and 64.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:23:52,763 INFO L158 Benchmark]: Boogie Preprocessor took 30.29ms. Allocated memory is still 98.6MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:52,764 INFO L158 Benchmark]: RCFGBuilder took 524.81ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 46.2MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:23:52,765 INFO L158 Benchmark]: CodeCheck took 431.83ms. Allocated memory is still 98.6MB. Free memory was 46.2MB in the beginning and 58.6MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:23:52,766 INFO L158 Benchmark]: Witness Printer took 7.88ms. Allocated memory is still 98.6MB. Free memory was 58.6MB in the beginning and 58.1MB in the end (delta: 524.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:23:52,771 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalFive==5 [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1372.07ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 46.1MB in the beginning and 67.7MB in the end (delta: -21.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.21ms. Allocated memory is still 98.6MB. Free memory was 67.7MB in the beginning and 64.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.29ms. Allocated memory is still 98.6MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.81ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 46.2MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 431.83ms. Allocated memory is still 98.6MB. Free memory was 46.2MB in the beginning and 58.6MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.88ms. Allocated memory is still 98.6MB. Free memory was 58.6MB in the beginning and 58.1MB in the end (delta: 524.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:23:52,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c11fa0-5f12-4947-b0d8-c207bfe62dad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample