./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_14_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_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/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_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/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_333f41c9-6601-4b8f-99a8-750f7bbd4caf/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 02abeab1584106db49aeebdbbb0a9ea852dbcb28e4c90368ebae85b23a4c4ac0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:30:59,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:30:59,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:30:59,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:30:59,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:30:59,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:30:59,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:30:59,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:30:59,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:30:59,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:30:59,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:30:59,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:30:59,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:30:59,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:30:59,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:30:59,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:30:59,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:30:59,396 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:30:59,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:30:59,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:30:59,397 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:30:59,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:30:59,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:30:59,397 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:30:59,397 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:30:59,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:30:59,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:30:59,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:30:59,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:30:59,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:30:59,399 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:30:59,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:30:59,399 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_333f41c9-6601-4b8f-99a8-750f7bbd4caf/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 -> 02abeab1584106db49aeebdbbb0a9ea852dbcb28e4c90368ebae85b23a4c4ac0 [2024-11-25 03:30:59,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:30:59,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:30:59,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:30:59,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:30:59,839 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:30:59,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_14_bad.i [2024-11-25 03:31:03,857 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/data/7da216d9e/3225482aafd74e4e9a20f735b131e080/FLAG5f5cfa0db [2024-11-25 03:31:04,505 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:31:04,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_14_bad.i [2024-11-25 03:31:04,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/data/7da216d9e/3225482aafd74e4e9a20f735b131e080/FLAG5f5cfa0db [2024-11-25 03:31:04,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/data/7da216d9e/3225482aafd74e4e9a20f735b131e080 [2024-11-25 03:31:04,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:31:04,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:31:04,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:31:04,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:31:04,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:31:04,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:31:04" (1/1) ... [2024-11-25 03:31:04,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b40e423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:04, skipping insertion in model container [2024-11-25 03:31:04,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:31:04" (1/1) ... [2024-11-25 03:31:04,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:31:05,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:31:05,980 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:31:06,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:31:06,338 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:31:06,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06 WrapperNode [2024-11-25 03:31:06,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:31:06,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:31:06,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:31:06,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:31:06,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06" (1/1) ... [2024-11-25 03:31:06,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06" (1/1) ... [2024-11-25 03:31:06,444 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-11-25 03:31:06,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:31:06,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:31:06,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:31:06,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:31:06,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06" (1/1) ... [2024-11-25 03:31:06,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06" (1/1) ... [2024-11-25 03:31:06,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06" (1/1) ... [2024-11-25 03:31:06,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06" (1/1) ... [2024-11-25 03:31:06,482 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06" (1/1) ... [2024-11-25 03:31:06,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06" (1/1) ... [2024-11-25 03:31:06,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06" (1/1) ... [2024-11-25 03:31:06,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06" (1/1) ... [2024-11-25 03:31:06,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06" (1/1) ... [2024-11-25 03:31:06,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:31:06,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:31:06,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:31:06,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:31:06,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:06" (1/1) ... [2024-11-25 03:31:06,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:31:06,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:31:06,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:31:06,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:31:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:31:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:31:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:31:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:31:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:31:06,808 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:31:06,811 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:31:07,101 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 03:31:07,101 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:31:07,543 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:31:07,544 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:31:07,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:07 BoogieIcfgContainer [2024-11-25 03:31:07,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:31:07,545 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:31:07,545 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:31:07,560 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:31:07,561 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:07" (1/1) ... [2024-11-25 03:31:07,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:31:07,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:07,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 03:31:07,660 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 03:31:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:31:07,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:07,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:31:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:31:08,136 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:31:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:31:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:31:08,331 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:31:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:31:08,393 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:31:08,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:31:08 ImpRootNode [2024-11-25 03:31:08,451 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:31:08,454 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:31:08,454 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:31:08,454 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:31:08,457 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:07" (3/4) ... [2024-11-25 03:31:08,464 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:31:08,466 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:31:08,468 INFO L158 Benchmark]: Toolchain (without parser) took 3908.36ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 89.4MB in the beginning and 103.1MB in the end (delta: -13.8MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-25 03:31:08,470 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:31:08,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1779.34ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 79.7MB in the end (delta: 9.6MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-25 03:31:08,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.47ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 76.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:31:08,474 INFO L158 Benchmark]: Boogie Preprocessor took 63.20ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:31:08,475 INFO L158 Benchmark]: RCFGBuilder took 1034.47ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 75.6MB in the beginning and 144.0MB in the end (delta: -68.4MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-11-25 03:31:08,477 INFO L158 Benchmark]: CodeCheck took 907.49ms. Allocated memory is still 176.2MB. Free memory was 144.0MB in the beginning and 103.8MB in the end (delta: 40.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 03:31:08,478 INFO L158 Benchmark]: Witness Printer took 12.95ms. Allocated memory is still 176.2MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:31:08,484 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 8 NumberOfCodeBlocks, 8 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1779.34ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 79.7MB in the end (delta: 9.6MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.47ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 76.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.20ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1034.47ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 75.6MB in the beginning and 144.0MB in the end (delta: -68.4MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * CodeCheck took 907.49ms. Allocated memory is still 176.2MB. Free memory was 144.0MB in the beginning and 103.8MB in the end (delta: 40.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 12.95ms. Allocated memory is still 176.2MB. Free memory is still 103.1MB. 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 03:31:08,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/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 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_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/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_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/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_333f41c9-6601-4b8f-99a8-750f7bbd4caf/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 02abeab1584106db49aeebdbbb0a9ea852dbcb28e4c90368ebae85b23a4c4ac0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:31:11,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:31:12,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:31:12,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:31:12,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:31:12,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:31:12,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:31:12,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:31:12,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:31:12,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:31:12,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:31:12,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:31:12,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:31:12,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:31:12,063 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:31:12,063 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:31:12,063 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:31:12,063 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:31:12,063 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:31:12,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:31:12,064 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:31:12,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:31:12,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:31:12,064 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:31:12,064 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:31:12,064 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:12,065 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:31:12,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:31:12,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:31:12,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:31:12,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:31:12,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:31:12,066 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:31:12,066 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:12,066 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:31:12,066 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_333f41c9-6601-4b8f-99a8-750f7bbd4caf/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 -> 02abeab1584106db49aeebdbbb0a9ea852dbcb28e4c90368ebae85b23a4c4ac0 [2024-11-25 03:31:12,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:31:12,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:31:12,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:31:12,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:31:12,429 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:31:12,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_14_bad.i [2024-11-25 03:31:15,549 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/data/c00e7b995/69f8897f33b640988cf0ceeca946dbee/FLAGd39383752 [2024-11-25 03:31:16,069 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:31:16,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_14_bad.i [2024-11-25 03:31:16,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/data/c00e7b995/69f8897f33b640988cf0ceeca946dbee/FLAGd39383752 [2024-11-25 03:31:16,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/data/c00e7b995/69f8897f33b640988cf0ceeca946dbee [2024-11-25 03:31:16,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:31:16,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:31:16,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:31:16,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:31:16,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:31:16,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:31:16" (1/1) ... [2024-11-25 03:31:16,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122562ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:16, skipping insertion in model container [2024-11-25 03:31:16,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:31:16" (1/1) ... [2024-11-25 03:31:16,242 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:31:17,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:31:17,237 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:31:17,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:31:17,534 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:31:17,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17 WrapperNode [2024-11-25 03:31:17,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:31:17,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:31:17,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:31:17,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:31:17,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17" (1/1) ... [2024-11-25 03:31:17,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17" (1/1) ... [2024-11-25 03:31:17,618 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-25 03:31:17,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:31:17,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:31:17,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:31:17,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:31:17,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17" (1/1) ... [2024-11-25 03:31:17,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17" (1/1) ... [2024-11-25 03:31:17,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17" (1/1) ... [2024-11-25 03:31:17,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17" (1/1) ... [2024-11-25 03:31:17,650 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17" (1/1) ... [2024-11-25 03:31:17,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17" (1/1) ... [2024-11-25 03:31:17,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17" (1/1) ... [2024-11-25 03:31:17,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17" (1/1) ... [2024-11-25 03:31:17,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17" (1/1) ... [2024-11-25 03:31:17,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:31:17,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:31:17,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:31:17,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:31:17,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:17" (1/1) ... [2024-11-25 03:31:17,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:31:17,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:31:17,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:31:17,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:31:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:31:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:31:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:31:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:31:17,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:31:17,910 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:31:17,912 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:31:18,073 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-25 03:31:18,073 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:31:18,188 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:31:18,189 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:31:18,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:18 BoogieIcfgContainer [2024-11-25 03:31:18,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:31:18,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:31:18,190 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:31:18,201 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:31:18,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:18" (1/1) ... [2024-11-25 03:31:18,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:31:18,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:18,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 03:31:18,265 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 03:31:18,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:31:18,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:18,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:18,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:31:18,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:31:18,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:31:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:31:18,530 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:31:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:31:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:31:18,662 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:31:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:31:18,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:31:18,712 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:31:18,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:31:18 ImpRootNode [2024-11-25 03:31:18,751 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:31:18,752 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:31:18,753 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:31:18,753 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:31:18,754 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:18" (3/4) ... [2024-11-25 03:31:18,756 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:31:18,812 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 03:31:18,875 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:31:18,875 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:31:18,875 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:31:18,879 INFO L158 Benchmark]: Toolchain (without parser) took 2726.14ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 73.7MB in the end (delta: 16.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-25 03:31:18,879 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:31:18,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1384.46ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 76.5MB in the end (delta: 13.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-25 03:31:18,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.51ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 73.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:31:18,880 INFO L158 Benchmark]: Boogie Preprocessor took 42.90ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:31:18,880 INFO L158 Benchmark]: RCFGBuilder took 523.52ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 54.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:31:18,881 INFO L158 Benchmark]: CodeCheck took 561.13ms. Allocated memory is still 117.4MB. Free memory was 54.4MB in the beginning and 78.3MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:31:18,882 INFO L158 Benchmark]: Witness Printer took 123.22ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 73.7MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:31:18,883 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1560]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1384.46ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 76.5MB in the end (delta: 13.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.51ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 73.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.90ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 523.52ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 54.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 561.13ms. Allocated memory is still 117.4MB. Free memory was 54.4MB in the beginning and 78.3MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 123.22ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 73.7MB 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 03:31:18,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_333f41c9-6601-4b8f-99a8-750f7bbd4caf/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)