./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b --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 e09fa54e2cc198b3eceea1602ee62bf8d422eab76499615a6f09e84520b578cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:58:04,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:58:04,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:58:04,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:58:04,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:58:04,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:58:04,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:58:04,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:58:04,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:58:04,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:58:04,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:58:04,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:58:04,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:58:04,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:58:04,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:58:04,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:58:04,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:58:04,896 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:58:04,896 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:58:04,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:58:04,896 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:58:04,896 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:58:04,896 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:58:04,896 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:58:04,897 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:58:04,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:58:04,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:58:04,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:58:04,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:58:04,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:58:04,897 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:58:04,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:58:04,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b 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 -> e09fa54e2cc198b3eceea1602ee62bf8d422eab76499615a6f09e84520b578cc [2024-12-06 02:58:05,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:58:05,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:58:05,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:58:05,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:58:05,127 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:58:05,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2024-12-06 02:58:07,808 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/data/c113fec49/c49f53f1b6e94bac8b61e60ae07c0285/FLAGff00ff2b8 [2024-12-06 02:58:08,114 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:58:08,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2024-12-06 02:58:08,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/data/c113fec49/c49f53f1b6e94bac8b61e60ae07c0285/FLAGff00ff2b8 [2024-12-06 02:58:08,147 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/data/c113fec49/c49f53f1b6e94bac8b61e60ae07c0285 [2024-12-06 02:58:08,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:58:08,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:58:08,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:58:08,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:58:08,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:58:08,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:58:08" (1/1) ... [2024-12-06 02:58:08,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e1bd13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:08, skipping insertion in model container [2024-12-06 02:58:08,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:58:08" (1/1) ... [2024-12-06 02:58:08,188 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:58:08,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:58:08,948 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:58:09,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:58:09,132 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:58:09,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09 WrapperNode [2024-12-06 02:58:09,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:58:09,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:58:09,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:58:09,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:58:09,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,168 INFO L138 Inliner]: procedures = 498, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-12-06 02:58:09,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:58:09,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:58:09,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:58:09,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:58:09,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,183 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:58:09,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:58:09,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:58:09,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:58:09,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:58:09,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:58:09,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:58:09,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:58:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:58:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:58:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:58:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:58:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:58:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:58:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:58:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:58:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:58:09,367 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:58:09,369 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:58:09,541 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-12-06 02:58:09,541 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:58:09,699 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:58:09,699 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:58:09,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:58:09 BoogieIcfgContainer [2024-12-06 02:58:09,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:58:09,700 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:58:09,700 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:58:09,710 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:58:09,710 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:58:09" (1/1) ... [2024-12-06 02:58:09,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:58:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:58:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 02:58:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 02:58:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:58:09,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:58:09,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:58:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:58:09,956 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:58:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:58:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:58:10,093 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:58:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:58:10,132 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:58:10,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:58:10 ImpRootNode [2024-12-06 02:58:10,154 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:58:10,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:58:10,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:58:10,154 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:58:10,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:58:09" (3/4) ... [2024-12-06 02:58:10,157 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:58:10,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:58:10,159 INFO L158 Benchmark]: Toolchain (without parser) took 2009.48ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 99.7MB in the end (delta: 16.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-12-06 02:58:10,159 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:58:10,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 982.11ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 107.5MB in the end (delta: 8.6MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-06 02:58:10,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.16ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 104.1MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:58:10,161 INFO L158 Benchmark]: Boogie Preprocessor took 21.50ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:58:10,161 INFO L158 Benchmark]: RCFGBuilder took 508.66ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 64.7MB in the end (delta: 38.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:58:10,161 INFO L158 Benchmark]: CodeCheck took 453.55ms. Allocated memory is still 142.6MB. Free memory was 64.7MB in the beginning and 99.7MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:58:10,162 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 99.7MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:58:10,164 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_predec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_predec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] --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 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 982.11ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 107.5MB in the end (delta: 8.6MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.16ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 104.1MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.50ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 508.66ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 64.7MB in the end (delta: 38.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 453.55ms. Allocated memory is still 142.6MB. Free memory was 64.7MB in the beginning and 99.7MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 99.7MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:58:10,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b --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 e09fa54e2cc198b3eceea1602ee62bf8d422eab76499615a6f09e84520b578cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:58:12,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:58:12,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 02:58:12,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:58:12,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:58:12,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:58:12,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:58:12,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:58:12,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:58:12,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:58:12,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:58:12,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:58:12,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:58:12,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:58:12,158 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:58:12,158 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:58:12,158 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:58:12,158 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:58:12,158 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:58:12,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:58:12,158 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:58:12,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:58:12,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:58:12,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:58:12,158 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:58:12,159 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:58:12,159 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:58:12,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:58:12,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:58:12,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:58:12,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:58:12,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:58:12,159 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:58:12,159 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:58:12,159 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:58:12,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b 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 -> e09fa54e2cc198b3eceea1602ee62bf8d422eab76499615a6f09e84520b578cc [2024-12-06 02:58:12,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:58:12,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:58:12,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:58:12,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:58:12,392 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:58:12,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2024-12-06 02:58:15,063 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/data/c7276c943/d88951a6c98d4517bde98a22a9e2dfd9/FLAGa77f38999 [2024-12-06 02:58:15,340 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:58:15,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2024-12-06 02:58:15,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/data/c7276c943/d88951a6c98d4517bde98a22a9e2dfd9/FLAGa77f38999 [2024-12-06 02:58:15,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/data/c7276c943/d88951a6c98d4517bde98a22a9e2dfd9 [2024-12-06 02:58:15,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:58:15,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:58:15,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:58:15,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:58:15,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:58:15,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:58:15" (1/1) ... [2024-12-06 02:58:15,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3300375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:15, skipping insertion in model container [2024-12-06 02:58:15,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:58:15" (1/1) ... [2024-12-06 02:58:15,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:58:16,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:58:16,099 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:58:16,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:58:16,305 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:58:16,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16 WrapperNode [2024-12-06 02:58:16,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:58:16,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:58:16,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:58:16,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:58:16,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,350 INFO L138 Inliner]: procedures = 503, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-12-06 02:58:16,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:58:16,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:58:16,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:58:16,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:58:16,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,370 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:58:16,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:58:16,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:58:16,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:58:16,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:58:16,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:58:16,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:58:16,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:58:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:58:16,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:58:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:58:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:58:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:58:16,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:58:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 02:58:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:58:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 02:58:16,560 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:58:16,561 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:58:16,683 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-12-06 02:58:16,684 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:58:16,739 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:58:16,739 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:58:16,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:58:16 BoogieIcfgContainer [2024-12-06 02:58:16,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:58:16,741 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:58:16,741 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:58:16,748 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:58:16,748 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:58:16" (1/1) ... [2024-12-06 02:58:16,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:58:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:58:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 02:58:16,790 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 02:58:16,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:58:16,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:58:16,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:58:16,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:58:16,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:58:16,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:58:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:58:16,971 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:58:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:58:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:58:17,121 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:58:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:58:17,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:58:17,171 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:58:17,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:58:17 ImpRootNode [2024-12-06 02:58:17,195 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:58:17,196 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:58:17,196 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:58:17,196 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:58:17,197 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:58:16" (3/4) ... [2024-12-06 02:58:17,198 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:58:17,236 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 02:58:17,276 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:58:17,277 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:58:17,277 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:58:17,278 INFO L158 Benchmark]: Toolchain (without parser) took 1896.13ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 65.6MB in the beginning and 99.6MB in the end (delta: -34.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 02:58:17,278 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:58:17,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 922.92ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 62.7MB in the end (delta: 2.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-12-06 02:58:17,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.35ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 59.5MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:58:17,279 INFO L158 Benchmark]: Boogie Preprocessor took 28.77ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 58.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:58:17,279 INFO L158 Benchmark]: RCFGBuilder took 359.49ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 39.7MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:58:17,279 INFO L158 Benchmark]: CodeCheck took 454.42ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 39.7MB in the beginning and 104.2MB in the end (delta: -64.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:58:17,280 INFO L158 Benchmark]: Witness Printer took 81.11ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 99.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:58:17,282 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1570]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_predec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_predec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] --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 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 922.92ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 62.7MB in the end (delta: 2.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.35ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 59.5MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.77ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 58.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 359.49ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 39.7MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 454.42ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 39.7MB in the beginning and 104.2MB in the end (delta: -64.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.11ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 99.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:58:17,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea59df30-ecd8-4c42-841c-2ee0990e068a/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)