./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_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_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:27:38,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:27:38,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:27:38,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:27:38,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:27:38,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:27:38,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:27:38,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:27:38,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:27:38,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:27:38,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:27:38,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:27:38,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:27:38,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:27:38,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:27:38,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:27:38,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:27:38,458 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:27:38,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:27:38,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:27:38,459 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:27:38,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:27:38,459 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:27:38,459 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:27:38,459 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:27:38,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:27:38,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:27:38,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:27:38,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:27:38,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:27:38,460 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:27:38,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:27:38,460 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_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee [2024-12-06 00:27:38,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:27:38,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:27:38,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:27:38,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:27:38,716 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:27:38,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i [2024-12-06 00:27:41,403 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/data/8610cbd55/460c9560b83044659deb19b7a59137b3/FLAGc5e3575d6 [2024-12-06 00:27:41,706 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:27:41,706 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i [2024-12-06 00:27:41,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/data/8610cbd55/460c9560b83044659deb19b7a59137b3/FLAGc5e3575d6 [2024-12-06 00:27:41,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/data/8610cbd55/460c9560b83044659deb19b7a59137b3 [2024-12-06 00:27:41,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:27:41,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:27:41,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:27:41,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:27:41,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:27:41,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:27:41" (1/1) ... [2024-12-06 00:27:41,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a90eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:41, skipping insertion in model container [2024-12-06 00:27:41,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:27:41" (1/1) ... [2024-12-06 00:27:41,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:27:42,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:27:42,373 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:27:42,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:27:42,548 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:27:42,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42 WrapperNode [2024-12-06 00:27:42,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:27:42,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:27:42,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:27:42,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:27:42,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42" (1/1) ... [2024-12-06 00:27:42,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42" (1/1) ... [2024-12-06 00:27:42,595 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2024-12-06 00:27:42,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:27:42,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:27:42,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:27:42,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:27:42,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42" (1/1) ... [2024-12-06 00:27:42,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42" (1/1) ... [2024-12-06 00:27:42,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42" (1/1) ... [2024-12-06 00:27:42,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42" (1/1) ... [2024-12-06 00:27:42,608 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42" (1/1) ... [2024-12-06 00:27:42,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42" (1/1) ... [2024-12-06 00:27:42,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42" (1/1) ... [2024-12-06 00:27:42,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42" (1/1) ... [2024-12-06 00:27:42,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42" (1/1) ... [2024-12-06 00:27:42,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:27:42,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:27:42,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:27:42,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:27:42,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:42" (1/1) ... [2024-12-06 00:27:42,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:27:42,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:27:42,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:27:42,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:27:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:27:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:27:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:27:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:27:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:27:42,780 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:27:42,782 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:27:42,967 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-06 00:27:42,967 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:27:43,149 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:27:43,150 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:27:43,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:43 BoogieIcfgContainer [2024-12-06 00:27:43,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:27:43,151 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:27:43,151 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:27:43,160 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:27:43,160 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:43,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:27:43,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:27:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 00:27:43,210 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 00:27:43,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:27:43,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:27:43,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:27:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:43,402 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:27:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:43,539 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:27:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:43,576 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:27:43,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:27:43 ImpRootNode [2024-12-06 00:27:43,600 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:27:43,601 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:27:43,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:27:43,601 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:27:43,602 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:43" (3/4) ... [2024-12-06 00:27:43,604 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:27:43,605 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:27:43,606 INFO L158 Benchmark]: Toolchain (without parser) took 1867.39ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 92.5MB in the end (delta: 21.6MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-12-06 00:27:43,606 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:43,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.77ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 56.1MB in the end (delta: 58.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 00:27:43,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.97ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 113.9MB in the end (delta: -57.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-12-06 00:27:43,608 INFO L158 Benchmark]: Boogie Preprocessor took 20.07ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 113.2MB in the end (delta: 662.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:43,608 INFO L158 Benchmark]: RCFGBuilder took 533.89ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 71.8MB in the end (delta: 41.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 00:27:43,608 INFO L158 Benchmark]: CodeCheck took 449.54ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 93.3MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:43,609 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.5MB in the end (delta: 783.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:43,611 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1555. 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 const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_multiply_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 809.77ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 56.1MB in the end (delta: 58.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.97ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 113.9MB in the end (delta: -57.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.07ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 113.2MB in the end (delta: 662.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.89ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 71.8MB in the end (delta: 41.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 449.54ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 93.3MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.5MB in the end (delta: 783.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:27:43,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:27:45,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:27:45,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:27:45,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:27:45,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:27:45,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:27:45,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:27:45,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:27:45,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:27:45,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:27:45,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:27:45,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:27:45,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:27:45,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:27:45,617 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:27:45,617 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:27:45,617 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:27:45,617 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:27:45,617 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:27:45,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:27:45,617 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:27:45,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:27:45,618 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:27:45,618 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:27:45,618 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:27:45,618 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:27:45,618 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:27:45,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:27:45,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:27:45,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:27:45,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:27:45,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:27:45,619 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:27:45,619 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:27:45,619 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:27:45,619 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_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee [2024-12-06 00:27:45,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:27:45,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:27:45,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:27:45,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:27:45,846 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:27:45,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i [2024-12-06 00:27:48,568 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/data/e041e46f4/5a3d28c8f4b14082862ec1c40c94c75d/FLAGc9778b9a3 [2024-12-06 00:27:48,840 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:27:48,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i [2024-12-06 00:27:48,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/data/e041e46f4/5a3d28c8f4b14082862ec1c40c94c75d/FLAGc9778b9a3 [2024-12-06 00:27:48,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/data/e041e46f4/5a3d28c8f4b14082862ec1c40c94c75d [2024-12-06 00:27:48,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:27:48,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:27:48,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:27:48,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:27:48,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:27:48,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:27:48" (1/1) ... [2024-12-06 00:27:48,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42bf5d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:48, skipping insertion in model container [2024-12-06 00:27:48,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:27:48" (1/1) ... [2024-12-06 00:27:48,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:27:49,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:27:49,565 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:27:49,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:27:49,776 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:27:49,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49 WrapperNode [2024-12-06 00:27:49,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:27:49,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:27:49,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:27:49,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:27:49,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49" (1/1) ... [2024-12-06 00:27:49,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49" (1/1) ... [2024-12-06 00:27:49,816 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-12-06 00:27:49,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:27:49,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:27:49,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:27:49,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:27:49,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49" (1/1) ... [2024-12-06 00:27:49,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49" (1/1) ... [2024-12-06 00:27:49,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49" (1/1) ... [2024-12-06 00:27:49,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49" (1/1) ... [2024-12-06 00:27:49,833 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49" (1/1) ... [2024-12-06 00:27:49,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49" (1/1) ... [2024-12-06 00:27:49,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49" (1/1) ... [2024-12-06 00:27:49,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49" (1/1) ... [2024-12-06 00:27:49,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49" (1/1) ... [2024-12-06 00:27:49,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:27:49,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:27:49,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:27:49,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:27:49,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:49" (1/1) ... [2024-12-06 00:27:49,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:27:49,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:27:49,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:27:49,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:27:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:27:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:27:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:27:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:27:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:27:50,012 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:27:50,013 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:27:50,117 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 00:27:50,117 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:27:50,174 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:27:50,175 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:27:50,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:50 BoogieIcfgContainer [2024-12-06 00:27:50,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:27:50,176 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:27:50,176 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:27:50,186 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:27:50,186 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:50" (1/1) ... [2024-12-06 00:27:50,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:27:50,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:27:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 00:27:50,238 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 00:27:50,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:27:50,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:27:50,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:27:50,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:27:50,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:27:50,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:27:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:50,391 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:27:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:50,489 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:27:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:50,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-06 00:27:50,522 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:27:50,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:27:50 ImpRootNode [2024-12-06 00:27:50,546 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:27:50,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:27:50,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:27:50,547 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:27:50,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:50" (3/4) ... [2024-12-06 00:27:50,549 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:27:50,589 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-06 00:27:50,632 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:27:50,633 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:27:50,633 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:27:50,634 INFO L158 Benchmark]: Toolchain (without parser) took 1754.77ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 52.2MB in the end (delta: 13.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-12-06 00:27:50,634 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:50,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 896.93ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 62.2MB in the end (delta: 3.7MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-06 00:27:50,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.85ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 59.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:50,635 INFO L158 Benchmark]: Boogie Preprocessor took 25.16ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 57.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:50,636 INFO L158 Benchmark]: RCFGBuilder took 332.82ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 40.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:27:50,636 INFO L158 Benchmark]: CodeCheck took 370.36ms. Allocated memory is still 92.3MB. Free memory was 40.1MB in the beginning and 57.1MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:50,636 INFO L158 Benchmark]: Witness Printer took 85.84ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 52.2MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:50,638 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1561]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_multiply_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 896.93ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 62.2MB in the end (delta: 3.7MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.85ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 59.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.16ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 57.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.82ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 40.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 370.36ms. Allocated memory is still 92.3MB. Free memory was 40.1MB in the beginning and 57.1MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.84ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 52.2MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:27:50,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1610d2-0c2f-4665-90a2-b5ef8d4231d4/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)