./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_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_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/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_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/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_0db8ddeb-366c-48cb-9b49-9819625a9a02/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 0c9be5b80e9f9a69c42ab455431028e91950d3f95db3d9cc525f6c2a66a857d3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:42:53,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:42:54,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:42:54,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:42:54,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:42:54,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:42:54,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:42:54,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:42:54,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:42:54,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:42:54,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:42:54,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:42:54,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:42:54,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:42:54,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:42:54,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:42:54,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:42:54,103 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:42:54,104 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:42:54,104 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:42:54,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:42:54,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:42:54,109 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:42:54,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:42:54,109 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:42:54,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:42:54,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:42:54,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:42:54,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:42:54,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:42:54,111 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:42:54,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:42:54,126 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_0db8ddeb-366c-48cb-9b49-9819625a9a02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c9be5b80e9f9a69c42ab455431028e91950d3f95db3d9cc525f6c2a66a857d3 [2024-11-08 22:42:54,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:42:54,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:42:54,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:42:54,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:42:54,451 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:42:54,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_bad.i Unable to find full path for "g++" [2024-11-08 22:42:56,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:42:56,879 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:42:56,883 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_bad.i [2024-11-08 22:42:56,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/data/39de29ac5/8243aba147c2491a8d2d873ec1518a9e/FLAGa40a88e59 [2024-11-08 22:42:57,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/data/39de29ac5/8243aba147c2491a8d2d873ec1518a9e [2024-11-08 22:42:57,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:42:57,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:42:57,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:42:57,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:42:57,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:42:57,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:42:57" (1/1) ... [2024-11-08 22:42:57,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a60225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:57, skipping insertion in model container [2024-11-08 22:42:57,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:42:57" (1/1) ... [2024-11-08 22:42:57,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:42:58,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:42:58,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:42:58,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:42:58,632 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:42:58,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:58 WrapperNode [2024-11-08 22:42:58,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:42:58,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:42:58,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:42:58,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:42:58,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:58" (1/1) ... [2024-11-08 22:42:58,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:58" (1/1) ... [2024-11-08 22:42:58,717 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-08 22:42:58,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:42:58,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:42:58,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:42:58,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:42:58,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:58" (1/1) ... [2024-11-08 22:42:58,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:58" (1/1) ... [2024-11-08 22:42:58,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:58" (1/1) ... [2024-11-08 22:42:58,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:58" (1/1) ... [2024-11-08 22:42:58,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:58" (1/1) ... [2024-11-08 22:42:58,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:58" (1/1) ... [2024-11-08 22:42:58,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:58" (1/1) ... [2024-11-08 22:42:58,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:58" (1/1) ... [2024-11-08 22:42:58,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:42:58,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:42:58,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:42:58,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:42:58,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:58" (1/1) ... [2024-11-08 22:42:58,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:42:58,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:42:58,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:42:58,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:42:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:42:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:42:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:42:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:42:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:42:59,015 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:42:59,017 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:42:59,145 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:42:59,145 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:42:59,217 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:42:59,218 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:42:59,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:42:59 BoogieIcfgContainer [2024-11-08 22:42:59,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:42:59,220 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:42:59,220 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:42:59,238 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:42:59,239 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:42:59" (1/1) ... [2024-11-08 22:42:59,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:42:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:59,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:42:59,320 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:42:59,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:42:59,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:59,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:42:59,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:42:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:42:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:42:59,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:42:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:42:59,623 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:42:59,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:42:59 ImpRootNode [2024-11-08 22:42:59,653 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:42:59,654 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:42:59,656 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:42:59,657 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:42:59,658 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:42:59" (3/4) ... [2024-11-08 22:42:59,662 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:42:59,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:42:59,666 INFO L158 Benchmark]: Toolchain (without parser) took 2546.15ms. Allocated memory is still 132.1MB. Free memory was 95.0MB in the beginning and 92.6MB in the end (delta: 2.3MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-08 22:42:59,667 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:42:59,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1512.85ms. Allocated memory is still 132.1MB. Free memory was 94.6MB in the beginning and 75.8MB in the end (delta: 18.8MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2024-11-08 22:42:59,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.90ms. Allocated memory is still 132.1MB. Free memory was 75.8MB in the beginning and 73.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:42:59,672 INFO L158 Benchmark]: Boogie Preprocessor took 40.74ms. Allocated memory is still 132.1MB. Free memory was 73.1MB in the beginning and 71.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:42:59,673 INFO L158 Benchmark]: RCFGBuilder took 457.83ms. Allocated memory is still 132.1MB. Free memory was 71.6MB in the beginning and 57.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:42:59,673 INFO L158 Benchmark]: CodeCheck took 432.97ms. Allocated memory is still 132.1MB. Free memory was 57.6MB in the beginning and 93.4MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:42:59,675 INFO L158 Benchmark]: Witness Printer took 11.05ms. Allocated memory is still 132.1MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:42:59,678 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_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [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 \read(globalTrue) 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] [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 0.30ms. Allocated memory is still 132.1MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1512.85ms. Allocated memory is still 132.1MB. Free memory was 94.6MB in the beginning and 75.8MB in the end (delta: 18.8MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.90ms. Allocated memory is still 132.1MB. Free memory was 75.8MB in the beginning and 73.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.74ms. Allocated memory is still 132.1MB. Free memory was 73.1MB in the beginning and 71.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.83ms. Allocated memory is still 132.1MB. Free memory was 71.6MB in the beginning and 57.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 432.97ms. Allocated memory is still 132.1MB. Free memory was 57.6MB in the beginning and 93.4MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 11.05ms. Allocated memory is still 132.1MB. Free memory is still 92.6MB. 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 22:42:59,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/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_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/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_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/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_0db8ddeb-366c-48cb-9b49-9819625a9a02/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 0c9be5b80e9f9a69c42ab455431028e91950d3f95db3d9cc525f6c2a66a857d3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:43:02,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:43:02,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:43:02,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:43:02,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:43:02,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:43:02,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:43:02,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:43:02,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:43:02,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:43:02,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:43:02,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:43:02,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:43:02,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:43:02,548 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:43:02,549 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:43:02,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:43:02,551 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:43:02,551 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:43:02,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:43:02,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:43:02,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:43:02,554 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:43:02,554 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:43:02,555 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:43:02,555 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:02,555 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:43:02,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:43:02,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:02,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:43:02,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:43:02,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:43:02,557 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:43:02,557 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:02,557 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:43:02,558 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_0db8ddeb-366c-48cb-9b49-9819625a9a02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c9be5b80e9f9a69c42ab455431028e91950d3f95db3d9cc525f6c2a66a857d3 [2024-11-08 22:43:02,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:43:02,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:43:02,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:43:02,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:43:02,983 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:43:02,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_bad.i Unable to find full path for "g++" [2024-11-08 22:43:05,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:43:05,711 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:43:05,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_bad.i [2024-11-08 22:43:05,747 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/data/4faf0be88/862d8bae20444d8b8c7fa9bdaecefe9c/FLAG4fe05b0cc [2024-11-08 22:43:05,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/data/4faf0be88/862d8bae20444d8b8c7fa9bdaecefe9c [2024-11-08 22:43:05,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:43:05,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:43:05,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:05,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:43:05,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:43:05,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:05" (1/1) ... [2024-11-08 22:43:05,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783dfd73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:05, skipping insertion in model container [2024-11-08 22:43:05,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:05" (1/1) ... [2024-11-08 22:43:05,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:43:06,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:07,007 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:43:07,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:07,302 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:43:07,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:07 WrapperNode [2024-11-08 22:43:07,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:07,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:07,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:43:07,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:43:07,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:07" (1/1) ... [2024-11-08 22:43:07,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:07" (1/1) ... [2024-11-08 22:43:07,371 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-08 22:43:07,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:07,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:43:07,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:43:07,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:43:07,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:07" (1/1) ... [2024-11-08 22:43:07,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:07" (1/1) ... [2024-11-08 22:43:07,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:07" (1/1) ... [2024-11-08 22:43:07,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:07" (1/1) ... [2024-11-08 22:43:07,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:07" (1/1) ... [2024-11-08 22:43:07,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:07" (1/1) ... [2024-11-08 22:43:07,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:07" (1/1) ... [2024-11-08 22:43:07,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:07" (1/1) ... [2024-11-08 22:43:07,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:43:07,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:43:07,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:43:07,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:43:07,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:07" (1/1) ... [2024-11-08 22:43:07,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:07,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:43:07,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:43:07,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:43:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:43:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:43:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:43:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:43:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:43:07,669 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:43:07,671 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:43:07,837 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 22:43:07,837 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:43:07,919 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:43:07,923 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:43:07,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:07 BoogieIcfgContainer [2024-11-08 22:43:07,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:43:07,928 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:43:07,928 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:43:07,938 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:43:07,939 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:07" (1/1) ... [2024-11-08 22:43:07,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:43:07,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:43:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:43:08,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:43:08,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:08,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:08,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:08,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:08,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:43:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:43:08,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:43:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:43:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:43:08,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:43:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:43:08,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:08,309 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:43:08,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:43:08 ImpRootNode [2024-11-08 22:43:08,345 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:43:08,345 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:43:08,345 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:43:08,346 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:43:08,346 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:07" (3/4) ... [2024-11-08 22:43:08,351 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:43:08,352 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:43:08,353 INFO L158 Benchmark]: Toolchain (without parser) took 2574.96ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 39.9MB in the beginning and 38.3MB in the end (delta: 1.6MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-08 22:43:08,354 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 92.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:08,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1521.51ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 39.7MB in the beginning and 49.1MB in the end (delta: -9.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-11-08 22:43:08,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.76ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 46.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:43:08,356 INFO L158 Benchmark]: Boogie Preprocessor took 48.24ms. Allocated memory is still 88.1MB. Free memory was 46.1MB in the beginning and 44.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:43:08,357 INFO L158 Benchmark]: RCFGBuilder took 503.36ms. Allocated memory is still 88.1MB. Free memory was 44.1MB in the beginning and 52.1MB in the end (delta: -8.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:43:08,358 INFO L158 Benchmark]: CodeCheck took 417.02ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 38.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:43:08,359 INFO L158 Benchmark]: Witness Printer took 7.31ms. Allocated memory is still 88.1MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:08,364 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_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [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 \read(globalTrue) 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] [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 0.25ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 92.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1521.51ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 39.7MB in the beginning and 49.1MB in the end (delta: -9.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.76ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 46.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.24ms. Allocated memory is still 88.1MB. Free memory was 46.1MB in the beginning and 44.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.36ms. Allocated memory is still 88.1MB. Free memory was 44.1MB in the beginning and 52.1MB in the end (delta: -8.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 417.02ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 38.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.31ms. Allocated memory is still 88.1MB. Free memory is still 38.3MB. 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 22:43:08,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db8ddeb-366c-48cb-9b49-9819625a9a02/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