./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_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_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/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_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/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_f10efa75-b469-4ff5-b18e-dd120af87dfe/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 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:41:50,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:41:50,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:41:50,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:41:50,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:41:50,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:41:50,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:41:50,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:41:50,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:41:50,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:41:50,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:41:50,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:41:50,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:41:50,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:41:50,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:41:50,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:41:50,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:41:50,544 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:41:50,544 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:41:50,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:41:50,544 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:41:50,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:41:50,545 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:41:50,545 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:41:50,545 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:41:50,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:41:50,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:41:50,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:41:50,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:41:50,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:41:50,546 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:41:50,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:41:50,546 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_f10efa75-b469-4ff5-b18e-dd120af87dfe/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 -> 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d [2024-12-06 05:41:50,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:41:50,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:41:50,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:41:50,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:41:50,762 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:41:50,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2024-12-06 05:41:53,375 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/data/3f10b2755/95529bcb7007489293c5d3bb19c0c73e/FLAGbeea3d1d9 [2024-12-06 05:41:53,674 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:41:53,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2024-12-06 05:41:53,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/data/3f10b2755/95529bcb7007489293c5d3bb19c0c73e/FLAGbeea3d1d9 [2024-12-06 05:41:53,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/data/3f10b2755/95529bcb7007489293c5d3bb19c0c73e [2024-12-06 05:41:53,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:41:53,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:41:53,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:41:53,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:41:53,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:41:53,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:41:53" (1/1) ... [2024-12-06 05:41:53,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3d2716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:53, skipping insertion in model container [2024-12-06 05:41:53,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:41:53" (1/1) ... [2024-12-06 05:41:53,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:41:54,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:41:54,676 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:41:54,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:41:54,838 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:41:54,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54 WrapperNode [2024-12-06 05:41:54,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:41:54,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:41:54,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:41:54,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:41:54,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54" (1/1) ... [2024-12-06 05:41:54,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54" (1/1) ... [2024-12-06 05:41:54,877 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 98 [2024-12-06 05:41:54,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:41:54,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:41:54,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:41:54,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:41:54,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54" (1/1) ... [2024-12-06 05:41:54,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54" (1/1) ... [2024-12-06 05:41:54,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54" (1/1) ... [2024-12-06 05:41:54,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54" (1/1) ... [2024-12-06 05:41:54,892 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54" (1/1) ... [2024-12-06 05:41:54,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54" (1/1) ... [2024-12-06 05:41:54,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54" (1/1) ... [2024-12-06 05:41:54,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54" (1/1) ... [2024-12-06 05:41:54,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54" (1/1) ... [2024-12-06 05:41:54,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:41:54,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:41:54,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:41:54,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:41:54,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:41:54" (1/1) ... [2024-12-06 05:41:54,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:41:54,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:41:54,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:41:54,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:41:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:41:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:41:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:41:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:41:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:41:55,075 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:41:55,076 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:41:55,233 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-12-06 05:41:55,233 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:41:55,368 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:41:55,369 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:41:55,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:41:55 BoogieIcfgContainer [2024-12-06 05:41:55,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:41:55,369 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:41:55,370 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:41:55,376 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:41:55,376 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:41:55" (1/1) ... [2024-12-06 05:41:55,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:41:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:41:55,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 05:41:55,418 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 05:41:55,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:41:55,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:41:55,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:41:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:41:55,688 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:41:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:41:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:41:55,807 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:41:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:41:55,843 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:41:55,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:41:55 ImpRootNode [2024-12-06 05:41:55,866 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:41:55,866 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:41:55,866 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:41:55,867 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:41:55,867 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:41:55" (3/4) ... [2024-12-06 05:41:55,869 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:41:55,870 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:41:55,871 INFO L158 Benchmark]: Toolchain (without parser) took 1921.24ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 73.4MB in the end (delta: 40.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2024-12-06 05:41:55,871 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:41:55,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 888.63ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 111.5MB in the end (delta: 2.0MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2024-12-06 05:41:55,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.34ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 108.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:41:55,872 INFO L158 Benchmark]: Boogie Preprocessor took 21.86ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 107.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:41:55,873 INFO L158 Benchmark]: RCFGBuilder took 468.88ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 69.9MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 05:41:55,873 INFO L158 Benchmark]: CodeCheck took 496.40ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 73.4MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:41:55,874 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 73.4MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:41:55,875 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: 0.5s, 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: 1568]: 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_sub_65b_badSink; [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] CALL funcPtr(data) [L1568] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 888.63ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 111.5MB in the end (delta: 2.0MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.34ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 108.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.86ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 107.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.88ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 69.9MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 496.40ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 73.4MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 73.4MB 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 05:41:55,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/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_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/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_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/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_f10efa75-b469-4ff5-b18e-dd120af87dfe/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 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:41:57,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:41:57,903 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 05:41:57,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:41:57,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:41:57,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:41:57,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:41:57,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:41:57,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:41:57,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:41:57,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:41:57,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:41:57,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:41:57,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:41:57,930 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:41:57,930 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:41:57,930 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:41:57,930 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:41:57,930 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:41:57,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:41:57,930 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:41:57,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:41:57,930 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:41:57,930 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:41:57,931 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:41:57,931 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:41:57,931 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:41:57,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:41:57,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:41:57,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:41:57,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:41:57,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:41:57,931 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:41:57,931 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:41:57,931 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:41:57,931 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_f10efa75-b469-4ff5-b18e-dd120af87dfe/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 -> 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d [2024-12-06 05:41:58,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:41:58,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:41:58,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:41:58,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:41:58,178 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:41:58,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2024-12-06 05:42:00,791 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/data/6671f7145/ba346c91df0047b5bb603430d4c74d91/FLAGfff647103 [2024-12-06 05:42:01,088 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:42:01,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2024-12-06 05:42:01,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/data/6671f7145/ba346c91df0047b5bb603430d4c74d91/FLAGfff647103 [2024-12-06 05:42:01,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/data/6671f7145/ba346c91df0047b5bb603430d4c74d91 [2024-12-06 05:42:01,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:42:01,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:42:01,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:42:01,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:42:01,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:42:01,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:42:01" (1/1) ... [2024-12-06 05:42:01,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d93d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:01, skipping insertion in model container [2024-12-06 05:42:01,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:42:01" (1/1) ... [2024-12-06 05:42:01,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:42:02,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:42:02,037 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:42:02,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:42:02,252 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:42:02,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02 WrapperNode [2024-12-06 05:42:02,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:42:02,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:42:02,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:42:02,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:42:02,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,294 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 58 [2024-12-06 05:42:02,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:42:02,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:42:02,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:42:02,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:42:02,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,313 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:42:02,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:42:02,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:42:02,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:42:02,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:42:02,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:42:02,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:42:02,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:42:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:42:02,372 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:42:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:42:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:42:02,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:42:02,489 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:42:02,491 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:42:02,590 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-12-06 05:42:02,590 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:42:02,646 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:42:02,646 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:42:02,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:42:02 BoogieIcfgContainer [2024-12-06 05:42:02,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:42:02,647 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:42:02,647 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:42:02,656 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:42:02,657 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:42:02" (1/1) ... [2024-12-06 05:42:02,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:42:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:42:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 05:42:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 05:42:02,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:42:02,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:42:02,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:42:02,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:42:02,701 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:42:02,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:42:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:42:02,846 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:42:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:42:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:42:02,937 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:42:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:42:02,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:42:02,968 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:42:02,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:42:02 ImpRootNode [2024-12-06 05:42:02,988 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:42:02,989 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:42:02,989 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:42:02,989 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:42:02,990 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:42:02" (3/4) ... [2024-12-06 05:42:02,990 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:42:03,022 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 05:42:03,055 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:42:03,056 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:42:03,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:42:03,056 INFO L158 Benchmark]: Toolchain (without parser) took 1683.64ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 52.0MB in the end (delta: 14.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-12-06 05:42:03,057 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:42:03,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 879.29ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 62.6MB in the end (delta: 3.9MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-12-06 05:42:03,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.87ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:42:03,057 INFO L158 Benchmark]: Boogie Preprocessor took 26.64ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:42:03,058 INFO L158 Benchmark]: RCFGBuilder took 324.39ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 40.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:42:03,058 INFO L158 Benchmark]: CodeCheck took 341.19ms. Allocated memory is still 92.3MB. Free memory was 40.1MB in the beginning and 56.8MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:42:03,058 INFO L158 Benchmark]: Witness Printer took 66.79ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 52.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:42:03,060 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1568]: 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_sub_65b_badSink; [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] CALL funcPtr(data) [L1568] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 879.29ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 62.6MB in the end (delta: 3.9MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.87ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.64ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.39ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 40.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 341.19ms. Allocated memory is still 92.3MB. Free memory was 40.1MB in the beginning and 56.8MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.79ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 52.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:42:03,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f10efa75-b469-4ff5-b18e-dd120af87dfe/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)