./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm --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 e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:18:30,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:18:30,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:18:30,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:18:30,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:18:30,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:18:30,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:18:30,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:18:30,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:18:30,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:18:30,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:18:30,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:18:30,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:18:30,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:18:30,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:18:30,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:18:30,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:18:30,701 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:18:30,701 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:18:30,701 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:18:30,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:18:30,701 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:18:30,702 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:18:30,702 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:18:30,702 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:18:30,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:18:30,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:30,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:18:30,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:18:30,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:18:30,703 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:18:30,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:18:30,703 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_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm 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 -> e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b [2024-11-13 20:18:31,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:18:31,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:18:31,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:18:31,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:18:31,049 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:18:31,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i Unable to find full path for "g++" [2024-11-13 20:18:32,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:18:33,375 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:18:33,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i [2024-11-13 20:18:33,396 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/data/a78e77e19/78c39b1c58804b8baff8c4c026dabfcf/FLAGe9164ac7c [2024-11-13 20:18:33,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/data/a78e77e19/78c39b1c58804b8baff8c4c026dabfcf [2024-11-13 20:18:33,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:18:33,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:18:33,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:33,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:18:33,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:18:33,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:33" (1/1) ... [2024-11-13 20:18:33,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc16990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:33, skipping insertion in model container [2024-11-13 20:18:33,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:33" (1/1) ... [2024-11-13 20:18:33,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:18:34,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:34,427 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:18:34,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:34,661 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:18:34,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:34 WrapperNode [2024-11-13 20:18:34,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:34,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:34,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:18:34,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:18:34,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:34" (1/1) ... [2024-11-13 20:18:34,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:34" (1/1) ... [2024-11-13 20:18:34,712 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 103 [2024-11-13 20:18:34,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:34,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:18:34,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:18:34,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:18:34,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:34" (1/1) ... [2024-11-13 20:18:34,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:34" (1/1) ... [2024-11-13 20:18:34,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:34" (1/1) ... [2024-11-13 20:18:34,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:34" (1/1) ... [2024-11-13 20:18:34,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:34" (1/1) ... [2024-11-13 20:18:34,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:34" (1/1) ... [2024-11-13 20:18:34,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:34" (1/1) ... [2024-11-13 20:18:34,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:34" (1/1) ... [2024-11-13 20:18:34,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:18:34,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:18:34,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:18:34,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:18:34,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:34" (1/1) ... [2024-11-13 20:18:34,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:34,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:18:34,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:18:34,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:18:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:18:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:18:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:18:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:18:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:18:34,963 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:18:34,964 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:18:35,200 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-13 20:18:35,200 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:18:35,448 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:18:35,448 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:18:35,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:35 BoogieIcfgContainer [2024-11-13 20:18:35,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:18:35,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:18:35,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:18:35,459 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:18:35,460 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:35" (1/1) ... [2024-11-13 20:18:35,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:18:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:18:35,528 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:18:35,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:18:35,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:35,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:35,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:36,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:36,096 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:18:36,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:18:36 ImpRootNode [2024-11-13 20:18:36,137 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:18:36,138 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:18:36,138 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:18:36,138 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:18:36,140 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:35" (3/4) ... [2024-11-13 20:18:36,142 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:18:36,144 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:18:36,147 INFO L158 Benchmark]: Toolchain (without parser) took 2658.72ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 108.7MB in the end (delta: 6.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-13 20:18:36,149 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:36,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1173.59ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 56.3MB in the end (delta: 58.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 20:18:36,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.72ms. Allocated memory is still 142.6MB. Free memory was 56.3MB in the beginning and 53.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:36,151 INFO L158 Benchmark]: Boogie Preprocessor took 20.65ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 52.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:18:36,151 INFO L158 Benchmark]: RCFGBuilder took 713.94ms. Allocated memory is still 142.6MB. Free memory was 52.4MB in the beginning and 83.8MB in the end (delta: -31.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 20:18:36,151 INFO L158 Benchmark]: CodeCheck took 687.83ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 109.6MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:36,154 INFO L158 Benchmark]: Witness Printer took 7.48ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 108.7MB in the end (delta: 807.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:36,157 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: 0.6s, 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, 0.1s 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 - UnprovableResult [Line: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571, overapproximation of bitwiseOr at line 1564. 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); [L1548] static int CWE191_Integer_Underflow__int_rand_multiply_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_multiply_45_badData; VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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] [L1554] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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] [L1556] data * 2 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1173.59ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 56.3MB in the end (delta: 58.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.72ms. Allocated memory is still 142.6MB. Free memory was 56.3MB in the beginning and 53.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.65ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 52.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 713.94ms. Allocated memory is still 142.6MB. Free memory was 52.4MB in the beginning and 83.8MB in the end (delta: -31.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 687.83ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 109.6MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.48ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 108.7MB in the end (delta: 807.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:18:36,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/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_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm --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 e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:18:38,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:18:38,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:18:38,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:18:38,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:18:38,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:18:38,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:18:38,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:18:38,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:18:38,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:18:38,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:18:38,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:18:38,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:18:38,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:18:38,937 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:18:38,937 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:18:38,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:18:38,937 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:18:38,937 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:18:38,937 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:18:38,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:18:38,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:18:38,938 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:18:38,938 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:18:38,938 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:18:38,938 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:38,938 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:18:38,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:18:38,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:38,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:18:38,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:18:38,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:18:38,939 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:18:38,939 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:38,939 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:18:38,939 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_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm 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 -> e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b [2024-11-13 20:18:39,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:18:39,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:18:39,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:18:39,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:18:39,283 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:18:39,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i Unable to find full path for "g++" [2024-11-13 20:18:41,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:18:41,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:18:41,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i [2024-11-13 20:18:41,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/data/8dcc94775/ce765976173743fa891b6097cda2d821/FLAG4cda9d4f8 [2024-11-13 20:18:41,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/data/8dcc94775/ce765976173743fa891b6097cda2d821 [2024-11-13 20:18:41,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:18:41,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:18:41,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:41,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:18:41,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:18:41,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a9ff14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:41, skipping insertion in model container [2024-11-13 20:18:41,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:41" (1/1) ... [2024-11-13 20:18:41,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:18:42,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:42,570 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:18:42,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:42,886 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:18:42,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:42 WrapperNode [2024-11-13 20:18:42,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:42,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:42,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:18:42,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:18:42,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:42" (1/1) ... [2024-11-13 20:18:42,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:42" (1/1) ... [2024-11-13 20:18:42,945 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-13 20:18:42,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:42,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:18:42,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:18:42,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:18:42,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:42" (1/1) ... [2024-11-13 20:18:42,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:42" (1/1) ... [2024-11-13 20:18:42,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:42" (1/1) ... [2024-11-13 20:18:42,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:42" (1/1) ... [2024-11-13 20:18:42,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:42" (1/1) ... [2024-11-13 20:18:42,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:42" (1/1) ... [2024-11-13 20:18:42,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:42" (1/1) ... [2024-11-13 20:18:42,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:42" (1/1) ... [2024-11-13 20:18:42,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:18:42,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:18:42,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:18:42,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:18:42,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:42" (1/1) ... [2024-11-13 20:18:42,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:42,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:18:43,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:18:43,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:18:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:18:43,040 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:18:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:18:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:18:43,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:18:43,229 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:18:43,231 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:18:43,369 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 20:18:43,369 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:18:43,463 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:18:43,464 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:18:43,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:43 BoogieIcfgContainer [2024-11-13 20:18:43,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:18:43,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:18:43,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:18:43,479 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:18:43,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:43" (1/1) ... [2024-11-13 20:18:43,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:18:43,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:43,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:18:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:18:43,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:18:43,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:43,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:43,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:43,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:43,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:18:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:43,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:43,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:43,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:18:43,996 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:18:44,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:18:44 ImpRootNode [2024-11-13 20:18:44,030 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:18:44,032 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:18:44,032 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:18:44,032 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:18:44,033 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:43" (3/4) ... [2024-11-13 20:18:44,036 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:18:44,037 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:18:44,038 INFO L158 Benchmark]: Toolchain (without parser) took 2396.68ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 40.0MB in the end (delta: 19.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-13 20:18:44,040 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 107.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:44,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1242.51ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 53.4MB in the end (delta: 5.4MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 20:18:44,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.13ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 50.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:44,042 INFO L158 Benchmark]: Boogie Preprocessor took 26.60ms. Allocated memory is still 83.9MB. Free memory was 50.4MB in the beginning and 48.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:44,042 INFO L158 Benchmark]: RCFGBuilder took 490.74ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 31.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:18:44,042 INFO L158 Benchmark]: CodeCheck took 565.91ms. Allocated memory is still 83.9MB. Free memory was 31.3MB in the beginning and 40.4MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:44,043 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 40.0MB in the end (delta: 406.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:44,045 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 - UnprovableResult [Line: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_rand_multiply_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_multiply_45_badData; VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073774592, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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] [L1554] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073774592, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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] [L1556] data * 2 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073774592, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 107.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1242.51ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 53.4MB in the end (delta: 5.4MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.13ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 50.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.60ms. Allocated memory is still 83.9MB. Free memory was 50.4MB in the beginning and 48.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 490.74ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 31.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 565.91ms. Allocated memory is still 83.9MB. Free memory was 31.3MB in the beginning and 40.4MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.50ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 40.0MB in the end (delta: 406.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:18:44,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e4112-e094-4fd6-aac7-5dcc5ac6a536/bin/ukojak-verify-EEHR8qb7sm/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample