./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_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_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3 --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 68930d750a85cd6de42e1e9f2c43ae52b5b206e831fe8a4256a1d6e3e98fef9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:09:37,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:09:37,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:09:37,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:09:37,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:09:37,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:09:37,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:09:37,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:09:37,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:09:37,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:09:37,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:09:37,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:09:37,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:09:37,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:09:37,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:09:37,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:09:37,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:09:37,633 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:09:37,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:09:37,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:09:37,633 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:09:37,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:09:37,634 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:09:37,634 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:09:37,634 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:09:37,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:09:37,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:09:37,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:09:37,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:09:37,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:09:37,634 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:09:37,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:09:37,635 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_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3 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 -> 68930d750a85cd6de42e1e9f2c43ae52b5b206e831fe8a4256a1d6e3e98fef9d [2024-11-25 04:09:37,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:09:37,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:09:37,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:09:37,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:09:37,968 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:09:37,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i [2024-11-25 04:09:40,964 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/data/32d4f9cb4/42933555a6df466488ce4d51adf034bc/FLAG17a1d780b [2024-11-25 04:09:41,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:09:41,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i [2024-11-25 04:09:41,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/data/32d4f9cb4/42933555a6df466488ce4d51adf034bc/FLAG17a1d780b [2024-11-25 04:09:41,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/data/32d4f9cb4/42933555a6df466488ce4d51adf034bc [2024-11-25 04:09:41,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:09:41,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:09:41,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:09:41,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:09:41,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:09:41,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:09:41" (1/1) ... [2024-11-25 04:09:41,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a152fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:41, skipping insertion in model container [2024-11-25 04:09:41,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:09:41" (1/1) ... [2024-11-25 04:09:41,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:09:42,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:09:42,642 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:09:42,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:09:42,913 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:09:42,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42 WrapperNode [2024-11-25 04:09:42,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:09:42,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:09:42,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:09:42,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:09:42,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42" (1/1) ... [2024-11-25 04:09:42,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42" (1/1) ... [2024-11-25 04:09:42,990 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2024-11-25 04:09:42,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:09:42,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:09:42,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:09:42,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:09:43,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42" (1/1) ... [2024-11-25 04:09:43,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42" (1/1) ... [2024-11-25 04:09:43,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42" (1/1) ... [2024-11-25 04:09:43,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42" (1/1) ... [2024-11-25 04:09:43,013 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42" (1/1) ... [2024-11-25 04:09:43,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42" (1/1) ... [2024-11-25 04:09:43,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42" (1/1) ... [2024-11-25 04:09:43,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42" (1/1) ... [2024-11-25 04:09:43,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42" (1/1) ... [2024-11-25 04:09:43,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:09:43,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:09:43,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:09:43,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:09:43,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:42" (1/1) ... [2024-11-25 04:09:43,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:09:43,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:09:43,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:09:43,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:09:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:09:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:09:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:09:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:09:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:09:43,352 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:09:43,354 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:09:43,594 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-25 04:09:43,597 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:09:43,885 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:09:43,885 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:09:43,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:09:43 BoogieIcfgContainer [2024-11-25 04:09:43,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:09:43,887 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:09:43,887 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:09:43,898 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:09:43,899 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:09:43" (1/1) ... [2024-11-25 04:09:43,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:09:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:43,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:09:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:09:43,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:09:43,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:43,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:09:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:09:44,251 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:09:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:09:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:09:44,466 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:09:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:09:44,532 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:09:44,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:09:44 ImpRootNode [2024-11-25 04:09:44,572 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:09:44,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:09:44,573 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:09:44,573 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:09:44,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:09:43" (3/4) ... [2024-11-25 04:09:44,578 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:09:44,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:09:44,580 INFO L158 Benchmark]: Toolchain (without parser) took 3083.24ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 49.3MB in the end (delta: 64.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-11-25 04:09:44,582 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:09:44,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1416.71ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 53.9MB in the end (delta: 60.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-25 04:09:44,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.05ms. Allocated memory is still 142.6MB. Free memory was 53.9MB in the beginning and 51.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:09:44,585 INFO L158 Benchmark]: Boogie Preprocessor took 41.63ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 49.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:09:44,585 INFO L158 Benchmark]: RCFGBuilder took 852.33ms. Allocated memory is still 142.6MB. Free memory was 49.9MB in the beginning and 82.2MB in the end (delta: -32.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-25 04:09:44,586 INFO L158 Benchmark]: CodeCheck took 685.17ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 49.3MB in the end (delta: 33.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:09:44,586 INFO L158 Benchmark]: Witness Printer took 6.45ms. Allocated memory is still 142.6MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:09:44,591 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: 0.6s, 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1560. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1416.71ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 53.9MB in the end (delta: 60.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.05ms. Allocated memory is still 142.6MB. Free memory was 53.9MB in the beginning and 51.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.63ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 49.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 852.33ms. Allocated memory is still 142.6MB. Free memory was 49.9MB in the beginning and 82.2MB in the end (delta: -32.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * CodeCheck took 685.17ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 49.3MB in the end (delta: 33.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 6.45ms. Allocated memory is still 142.6MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:09:44,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3 --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 68930d750a85cd6de42e1e9f2c43ae52b5b206e831fe8a4256a1d6e3e98fef9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:09:47,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:09:47,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:09:47,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:09:47,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:09:47,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:09:47,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:09:47,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:09:47,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:09:47,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:09:47,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:09:47,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:09:47,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:09:47,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:09:47,435 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:09:47,435 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:09:47,435 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:09:47,435 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:09:47,436 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:09:47,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:09:47,436 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:09:47,436 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:09:47,436 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:09:47,436 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:09:47,436 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:09:47,436 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:47,436 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:09:47,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:09:47,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:09:47,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:09:47,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:09:47,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:09:47,437 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:09:47,437 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:47,437 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:09:47,438 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_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3 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 -> 68930d750a85cd6de42e1e9f2c43ae52b5b206e831fe8a4256a1d6e3e98fef9d [2024-11-25 04:09:47,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:09:47,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:09:47,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:09:47,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:09:47,797 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:09:47,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i [2024-11-25 04:09:50,809 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/data/7799581b7/4b2a9fe055344053b2f19a8c63a0f03a/FLAG234fc4ae2 [2024-11-25 04:09:51,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:09:51,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i [2024-11-25 04:09:51,377 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/data/7799581b7/4b2a9fe055344053b2f19a8c63a0f03a/FLAG234fc4ae2 [2024-11-25 04:09:51,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/data/7799581b7/4b2a9fe055344053b2f19a8c63a0f03a [2024-11-25 04:09:51,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:09:51,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:09:51,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:09:51,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:09:51,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:09:51,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:09:51" (1/1) ... [2024-11-25 04:09:51,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569230ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:51, skipping insertion in model container [2024-11-25 04:09:51,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:09:51" (1/1) ... [2024-11-25 04:09:51,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:09:52,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:09:52,648 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:09:52,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:09:53,011 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:09:53,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53 WrapperNode [2024-11-25 04:09:53,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:09:53,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:09:53,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:09:53,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:09:53,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,094 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2024-11-25 04:09:53,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:09:53,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:09:53,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:09:53,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:09:53,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:09:53,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:09:53,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:09:53,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:09:53,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:09:53,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:09:53,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:09:53,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:09:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:09:53,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:09:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:09:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:09:53,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:09:53,363 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:09:53,365 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:09:53,494 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-25 04:09:53,494 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:09:53,571 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:09:53,572 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:09:53,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:09:53 BoogieIcfgContainer [2024-11-25 04:09:53,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:09:53,573 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:09:53,573 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:09:53,584 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:09:53,584 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:09:53" (1/1) ... [2024-11-25 04:09:53,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:09:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:09:53,642 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:09:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:09:53,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:53,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:53,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:53,650 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:53,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:09:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:09:53,820 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:09:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:09:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:09:53,964 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:09:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:09:54,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:09:54,005 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:09:54,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:09:54 ImpRootNode [2024-11-25 04:09:54,042 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:09:54,043 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:09:54,045 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:09:54,046 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:09:54,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:09:53" (3/4) ... [2024-11-25 04:09:54,047 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:09:54,097 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-25 04:09:54,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:09:54,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:09:54,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:09:54,161 INFO L158 Benchmark]: Toolchain (without parser) took 2748.80ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.1MB in the beginning and 210.0MB in the end (delta: -120.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-25 04:09:54,161 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:09:54,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1601.65ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 66.2MB in the end (delta: 22.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 04:09:54,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.78ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:09:54,162 INFO L158 Benchmark]: Boogie Preprocessor took 50.00ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:09:54,163 INFO L158 Benchmark]: RCFGBuilder took 426.05ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 44.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:09:54,163 INFO L158 Benchmark]: CodeCheck took 469.52ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 44.6MB in the beginning and 215.2MB in the end (delta: -170.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:09:54,163 INFO L158 Benchmark]: Witness Printer took 114.05ms. Allocated memory is still 251.7MB. Free memory was 214.6MB in the beginning and 210.0MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:09:54,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1551]: 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1601.65ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 66.2MB in the end (delta: 22.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.78ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.00ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 426.05ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 44.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 469.52ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 44.6MB in the beginning and 215.2MB in the end (delta: -170.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 114.05ms. Allocated memory is still 251.7MB. Free memory was 214.6MB in the beginning and 210.0MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:09:54,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5e9e41-9bc8-4738-9b7b-548bbb4e174d/bin/ukojak-verify-ENZ3QT5qd3/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)