./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_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_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/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_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/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_be927cc3-8100-4899-a94d-b39fb0fb1564/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 dfa76c4424367ace8e0176609f5d9288e8afd6894711b39fd044730a361a1a9e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:41:31,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:41:31,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:41:31,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:41:31,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:41:31,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:41:31,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:41:31,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:41:31,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:41:31,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:41:31,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:41:31,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:41:31,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:41:31,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:41:31,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:41:31,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:41:31,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:41:31,524 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:41:31,524 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:41:31,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:41:31,524 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:41:31,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:41:31,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:41:31,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:41:31,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:41:31,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:41:31,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:41:31,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:41:31,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:41:31,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:41:31,525 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:41:31,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:41:31,525 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_be927cc3-8100-4899-a94d-b39fb0fb1564/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 -> dfa76c4424367ace8e0176609f5d9288e8afd6894711b39fd044730a361a1a9e [2024-12-06 03:41:31,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:41:31,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:41:31,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:41:31,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:41:31,776 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:41:31,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i [2024-12-06 03:41:34,390 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/data/5c831e542/c596945703174286a9586bcece8dbb34/FLAGa30f71629 [2024-12-06 03:41:34,689 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:41:34,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i [2024-12-06 03:41:34,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/data/5c831e542/c596945703174286a9586bcece8dbb34/FLAGa30f71629 [2024-12-06 03:41:34,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/data/5c831e542/c596945703174286a9586bcece8dbb34 [2024-12-06 03:41:34,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:41:34,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:41:34,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:41:34,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:41:34,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:41:34,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:41:34" (1/1) ... [2024-12-06 03:41:34,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea10daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:34, skipping insertion in model container [2024-12-06 03:41:34,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:41:34" (1/1) ... [2024-12-06 03:41:35,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:41:35,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:41:35,608 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:41:35,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:41:35,756 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:41:35,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35 WrapperNode [2024-12-06 03:41:35,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:41:35,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:41:35,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:41:35,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:41:35,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35" (1/1) ... [2024-12-06 03:41:35,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35" (1/1) ... [2024-12-06 03:41:35,809 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-12-06 03:41:35,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:41:35,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:41:35,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:41:35,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:41:35,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35" (1/1) ... [2024-12-06 03:41:35,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35" (1/1) ... [2024-12-06 03:41:35,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35" (1/1) ... [2024-12-06 03:41:35,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35" (1/1) ... [2024-12-06 03:41:35,822 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35" (1/1) ... [2024-12-06 03:41:35,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35" (1/1) ... [2024-12-06 03:41:35,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35" (1/1) ... [2024-12-06 03:41:35,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35" (1/1) ... [2024-12-06 03:41:35,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35" (1/1) ... [2024-12-06 03:41:35,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:41:35,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:41:35,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:41:35,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:41:35,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:35" (1/1) ... [2024-12-06 03:41:35,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:41:35,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:41:35,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:41:35,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:41:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:41:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:41:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:41:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:41:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:41:35,987 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:41:35,988 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:41:36,162 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-06 03:41:36,163 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:41:36,338 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:41:36,338 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 03:41:36,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:41:36 BoogieIcfgContainer [2024-12-06 03:41:36,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:41:36,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:41:36,339 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:41:36,349 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:41:36,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:41:36" (1/1) ... [2024-12-06 03:41:36,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:41:36,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:41:36,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 03:41:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 03:41:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:41:36,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:41:36,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:41:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:41:36,606 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:41:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:41:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:41:36,728 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:41:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:41:36,773 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:41:36,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:41:36 ImpRootNode [2024-12-06 03:41:36,797 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:41:36,798 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:41:36,798 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:41:36,798 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:41:36,799 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:41:36" (3/4) ... [2024-12-06 03:41:36,801 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:41:36,802 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:41:36,803 INFO L158 Benchmark]: Toolchain (without parser) took 1832.16ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 89.4MB in the end (delta: 23.1MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-12-06 03:41:36,803 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:41:36,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 785.76ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 52.5MB in the end (delta: 60.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 03:41:36,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.49ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 110.9MB in the end (delta: -58.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-06 03:41:36,804 INFO L158 Benchmark]: Boogie Preprocessor took 20.89ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 109.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:41:36,805 INFO L158 Benchmark]: RCFGBuilder took 507.10ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 68.4MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 03:41:36,805 INFO L158 Benchmark]: CodeCheck took 457.95ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 90.2MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:41:36,805 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 89.4MB in the end (delta: 782.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:41:36,807 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1561]: 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_rand_multiply_16_bad() [L1550] int data; [L1551] 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)) [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 785.76ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 52.5MB in the end (delta: 60.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.49ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 110.9MB in the end (delta: -58.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.89ms. Allocated memory is still 142.6MB. Free memory was 110.9MB in the beginning and 109.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 507.10ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 68.4MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 457.95ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 90.2MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 89.4MB in the end (delta: 782.0kB). 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 03:41:36,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/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_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/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_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/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_be927cc3-8100-4899-a94d-b39fb0fb1564/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 dfa76c4424367ace8e0176609f5d9288e8afd6894711b39fd044730a361a1a9e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:41:38,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:41:38,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 03:41:38,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:41:38,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:41:38,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:41:38,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:41:38,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:41:38,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:41:38,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:41:38,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:41:38,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:41:38,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:41:38,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:41:38,880 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:41:38,880 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:41:38,880 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:41:38,880 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:41:38,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:41:38,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:41:38,881 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:41:38,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:41:38,881 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:41:38,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:41:38,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:41:38,881 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:41:38,881 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:41:38,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:41:38,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:41:38,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:41:38,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:41:38,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:41:38,882 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:41:38,882 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:41:38,882 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:41:38,882 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_be927cc3-8100-4899-a94d-b39fb0fb1564/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 -> dfa76c4424367ace8e0176609f5d9288e8afd6894711b39fd044730a361a1a9e [2024-12-06 03:41:39,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:41:39,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:41:39,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:41:39,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:41:39,118 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:41:39,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i [2024-12-06 03:41:41,788 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/data/36765cced/c699a8f2b02d4f0695d15d75a9ec9687/FLAGcb772c743 [2024-12-06 03:41:42,105 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:41:42,106 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i [2024-12-06 03:41:42,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/data/36765cced/c699a8f2b02d4f0695d15d75a9ec9687/FLAGcb772c743 [2024-12-06 03:41:42,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/data/36765cced/c699a8f2b02d4f0695d15d75a9ec9687 [2024-12-06 03:41:42,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:41:42,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:41:42,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:41:42,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:41:42,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:41:42,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:41:42" (1/1) ... [2024-12-06 03:41:42,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea42a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:42, skipping insertion in model container [2024-12-06 03:41:42,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:41:42" (1/1) ... [2024-12-06 03:41:42,400 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:41:43,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:41:43,052 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:41:43,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:41:43,250 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:41:43,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43 WrapperNode [2024-12-06 03:41:43,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:41:43,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:41:43,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:41:43,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:41:43,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,291 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-12-06 03:41:43,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:41:43,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:41:43,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:41:43,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:41:43,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,307 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,313 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:41:43,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:41:43,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:41:43,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:41:43,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:41:43,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:41:43,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:41:43,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:41:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:41:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:41:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:41:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:41:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:41:43,476 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:41:43,478 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:41:43,580 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 03:41:43,580 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:41:43,634 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:41:43,634 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 03:41:43,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:41:43 BoogieIcfgContainer [2024-12-06 03:41:43,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:41:43,635 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:41:43,635 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:41:43,645 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:41:43,645 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:41:43" (1/1) ... [2024-12-06 03:41:43,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:41:43,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:41:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 03:41:43,687 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 03:41:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:41:43,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:41:43,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:41:43,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:41:43,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:41:43,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:41:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:41:43,819 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:41:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:41:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:41:43,914 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:41:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:41:43,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:41:43,947 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:41:43,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:41:43 ImpRootNode [2024-12-06 03:41:43,972 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:41:43,972 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:41:43,972 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:41:43,973 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:41:43,973 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:41:43" (3/4) ... [2024-12-06 03:41:43,974 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:41:44,013 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 03:41:44,056 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:41:44,056 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:41:44,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:41:44,057 INFO L158 Benchmark]: Toolchain (without parser) took 1698.95ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 52.4MB in the end (delta: 14.2MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-06 03:41:44,058 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 03:41:44,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 891.73ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 62.5MB in the end (delta: 3.9MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 03:41:44,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.12ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 59.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:41:44,059 INFO L158 Benchmark]: Boogie Preprocessor took 24.06ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 58.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:41:44,059 INFO L158 Benchmark]: RCFGBuilder took 317.77ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 41.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:41:44,059 INFO L158 Benchmark]: CodeCheck took 336.52ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 57.0MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:41:44,060 INFO L158 Benchmark]: Witness Printer took 84.02ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 52.4MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:41:44,062 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1561]: 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_rand_multiply_16_bad() [L1550] int data; [L1551] 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)) [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 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 891.73ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 62.5MB in the end (delta: 3.9MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.12ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 59.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.06ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 58.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.77ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 41.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 336.52ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 57.0MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 84.02ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 52.4MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:41:44,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be927cc3-8100-4899-a94d-b39fb0fb1564/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)