./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/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_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/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_7de45b76-8b0d-42c1-a304-fd7866bb7c79/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 68dda6b00ff890839fa3a38ed721d7598ebd5741bcbcf207fa7a1642e649b1cb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:54:05,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:54:05,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:54:05,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:54:05,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:54:05,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:54:05,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:54:05,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:54:05,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:54:05,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:54:05,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:54:05,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:54:05,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:54:05,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:54:05,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:54:05,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:54:05,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:54:05,905 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:54:05,906 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:54:05,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:54:05,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:54:05,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:54:05,910 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:54:05,911 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:54:05,915 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:54:05,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:54:05,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:54:05,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:54:05,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:54:05,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:54:05,917 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:54:05,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:54:05,917 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_7de45b76-8b0d-42c1-a304-fd7866bb7c79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68dda6b00ff890839fa3a38ed721d7598ebd5741bcbcf207fa7a1642e649b1cb [2024-11-08 23:54:06,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:54:06,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:54:06,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:54:06,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:54:06,296 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:54:06,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i Unable to find full path for "g++" [2024-11-08 23:54:08,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:54:08,787 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:54:08,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i [2024-11-08 23:54:08,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/data/2d71100c1/53aa2925c65b42a1b9d282828c0aa784/FLAGe40dda34a [2024-11-08 23:54:08,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/data/2d71100c1/53aa2925c65b42a1b9d282828c0aa784 [2024-11-08 23:54:08,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:54:08,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:54:08,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:54:08,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:54:08,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:54:08,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:54:08" (1/1) ... [2024-11-08 23:54:08,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c12350b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:08, skipping insertion in model container [2024-11-08 23:54:08,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:54:08" (1/1) ... [2024-11-08 23:54:08,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:54:10,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:54:10,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:54:10,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:54:10,464 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:54:10,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:10 WrapperNode [2024-11-08 23:54:10,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:54:10,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:54:10,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:54:10,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:54:10,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:10" (1/1) ... [2024-11-08 23:54:10,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:10" (1/1) ... [2024-11-08 23:54:10,532 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-08 23:54:10,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:54:10,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:54:10,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:54:10,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:54:10,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:10" (1/1) ... [2024-11-08 23:54:10,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:10" (1/1) ... [2024-11-08 23:54:10,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:10" (1/1) ... [2024-11-08 23:54:10,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:10" (1/1) ... [2024-11-08 23:54:10,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:10" (1/1) ... [2024-11-08 23:54:10,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:10" (1/1) ... [2024-11-08 23:54:10,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:10" (1/1) ... [2024-11-08 23:54:10,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:10" (1/1) ... [2024-11-08 23:54:10,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:54:10,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:54:10,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:54:10,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:54:10,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:10" (1/1) ... [2024-11-08 23:54:10,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:54:10,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:54:10,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:54:10,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:54:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:54:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:54:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:54:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:54:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:54:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:54:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:54:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:54:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:54:10,819 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:54:10,822 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:54:10,941 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 23:54:10,941 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:54:11,001 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:54:11,005 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:54:11,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:11 BoogieIcfgContainer [2024-11-08 23:54:11,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:54:11,006 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:54:11,006 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:54:11,020 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:54:11,021 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:11" (1/1) ... [2024-11-08 23:54:11,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:54:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:54:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:54:11,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:54:11,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:11,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:54:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:11,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:54:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:11,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:54:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:11,423 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:54:11,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:54:11 ImpRootNode [2024-11-08 23:54:11,454 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:54:11,455 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:54:11,457 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:54:11,457 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:54:11,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:11" (3/4) ... [2024-11-08 23:54:11,462 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:54:11,463 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:54:11,465 INFO L158 Benchmark]: Toolchain (without parser) took 2612.06ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 88.4MB in the beginning and 69.8MB in the end (delta: 18.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:11,466 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:54:11,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1609.05ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 88.1MB in the beginning and 108.6MB in the end (delta: -20.6MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-08 23:54:11,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.51ms. Allocated memory is still 176.2MB. Free memory was 108.6MB in the beginning and 105.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:54:11,469 INFO L158 Benchmark]: Boogie Preprocessor took 30.05ms. Allocated memory is still 176.2MB. Free memory was 105.5MB in the beginning and 104.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:54:11,471 INFO L158 Benchmark]: RCFGBuilder took 441.10ms. Allocated memory is still 176.2MB. Free memory was 104.4MB in the beginning and 88.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:54:11,471 INFO L158 Benchmark]: CodeCheck took 447.93ms. Allocated memory is still 176.2MB. Free memory was 88.7MB in the beginning and 70.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:54:11,473 INFO L158 Benchmark]: Witness Printer took 8.95ms. Allocated memory is still 176.2MB. Free memory was 70.9MB in the beginning and 69.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:11,478 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1562]: 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 1571. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] data = (-0x7fffffff - 1) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] 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 0.35ms. Allocated memory is still 130.0MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1609.05ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 88.1MB in the beginning and 108.6MB in the end (delta: -20.6MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.51ms. Allocated memory is still 176.2MB. Free memory was 108.6MB in the beginning and 105.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.05ms. Allocated memory is still 176.2MB. Free memory was 105.5MB in the beginning and 104.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 441.10ms. Allocated memory is still 176.2MB. Free memory was 104.4MB in the beginning and 88.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 447.93ms. Allocated memory is still 176.2MB. Free memory was 88.7MB in the beginning and 70.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.95ms. Allocated memory is still 176.2MB. Free memory was 70.9MB in the beginning and 69.8MB in the end (delta: 1.1MB). 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 23:54:11,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/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_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/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_7de45b76-8b0d-42c1-a304-fd7866bb7c79/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 68dda6b00ff890839fa3a38ed721d7598ebd5741bcbcf207fa7a1642e649b1cb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:54:14,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:54:14,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:54:14,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:54:14,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:54:14,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:54:14,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:54:14,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:54:14,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:54:14,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:54:14,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:54:14,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:54:14,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:54:14,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:54:14,274 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:54:14,274 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:54:14,275 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:54:14,275 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:54:14,276 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:54:14,276 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:54:14,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:54:14,277 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:54:14,277 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:54:14,278 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:54:14,278 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:54:14,280 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:14,281 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:54:14,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:54:14,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:54:14,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:54:14,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:54:14,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:54:14,283 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:54:14,284 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:14,285 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:54:14,285 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_7de45b76-8b0d-42c1-a304-fd7866bb7c79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68dda6b00ff890839fa3a38ed721d7598ebd5741bcbcf207fa7a1642e649b1cb [2024-11-08 23:54:14,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:54:14,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:54:14,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:54:14,769 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:54:14,770 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:54:14,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i Unable to find full path for "g++" [2024-11-08 23:54:17,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:54:17,500 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:54:17,501 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_32_bad.i [2024-11-08 23:54:17,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/data/9a726f4f1/2c939408dcf244028f9df1c69d90e255/FLAGcdc5e553e [2024-11-08 23:54:17,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/data/9a726f4f1/2c939408dcf244028f9df1c69d90e255 [2024-11-08 23:54:17,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:54:17,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:54:17,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:54:17,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:54:17,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:54:17,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:54:17" (1/1) ... [2024-11-08 23:54:17,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619808cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:17, skipping insertion in model container [2024-11-08 23:54:17,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:54:17" (1/1) ... [2024-11-08 23:54:17,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:54:18,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:54:18,753 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:54:18,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:54:19,144 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:54:19,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:19 WrapperNode [2024-11-08 23:54:19,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:54:19,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:54:19,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:54:19,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:54:19,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:19" (1/1) ... [2024-11-08 23:54:19,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:19" (1/1) ... [2024-11-08 23:54:19,232 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-08 23:54:19,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:54:19,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:54:19,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:54:19,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:54:19,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:19" (1/1) ... [2024-11-08 23:54:19,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:19" (1/1) ... [2024-11-08 23:54:19,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:19" (1/1) ... [2024-11-08 23:54:19,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:19" (1/1) ... [2024-11-08 23:54:19,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:19" (1/1) ... [2024-11-08 23:54:19,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:19" (1/1) ... [2024-11-08 23:54:19,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:19" (1/1) ... [2024-11-08 23:54:19,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:19" (1/1) ... [2024-11-08 23:54:19,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:54:19,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:54:19,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:54:19,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:54:19,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:54:19" (1/1) ... [2024-11-08 23:54:19,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:54:19,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:54:19,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:54:19,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:54:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:54:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:54:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:54:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:54:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:54:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:54:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:54:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:54:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:54:19,536 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:54:19,539 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:54:19,714 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 23:54:19,715 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:54:19,778 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:54:19,778 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:54:19,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:19 BoogieIcfgContainer [2024-11-08 23:54:19,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:54:19,780 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:54:19,780 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:54:19,790 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:54:19,791 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:19" (1/1) ... [2024-11-08 23:54:19,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:54:19,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:19,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:54:19,869 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:54:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:54:19,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:19,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:19,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:19,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:19,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:54:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:20,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:54:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:20,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:54:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:20,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:54:20,480 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:54:20,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:54:20 ImpRootNode [2024-11-08 23:54:20,526 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:54:20,527 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:54:20,527 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:54:20,528 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:54:20,528 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:54:19" (3/4) ... [2024-11-08 23:54:20,531 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:54:20,532 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:54:20,534 INFO L158 Benchmark]: Toolchain (without parser) took 2982.75ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 47.7MB in the beginning and 54.5MB in the end (delta: -6.8MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:20,534 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:54:20,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1593.59ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 47.5MB in the beginning and 62.1MB in the end (delta: -14.6MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-11-08 23:54:20,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.19ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:20,536 INFO L158 Benchmark]: Boogie Preprocessor took 41.09ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 57.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:20,537 INFO L158 Benchmark]: RCFGBuilder took 503.35ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 63.0MB in the end (delta: -5.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:54:20,538 INFO L158 Benchmark]: CodeCheck took 746.86ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 54.9MB in the end (delta: 8.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-08 23:54:20,538 INFO L158 Benchmark]: Witness Printer took 5.46ms. Allocated memory is still 92.3MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:54:20,546 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1562]: 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 1571. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] data = (-0x7fffffff - 1) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] 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 0.26ms. Allocated memory is still 60.8MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1593.59ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 47.5MB in the beginning and 62.1MB in the end (delta: -14.6MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.19ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.09ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 57.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.35ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 63.0MB in the end (delta: -5.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 746.86ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 54.9MB in the end (delta: 8.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 5.46ms. Allocated memory is still 92.3MB. Free memory is still 54.5MB. 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 23:54:20,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de45b76-8b0d-42c1-a304-fd7866bb7c79/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