./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_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_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/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_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/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_623d7589-71b8-4905-a4e2-31e4f75ffe7f/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 df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:38:31,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:38:31,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:38:31,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:38:31,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:38:31,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:38:31,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:38:31,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:38:31,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:38:31,413 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:38:31,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:38:31,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:38:31,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:38:31,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:38:31,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:38:31,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:38:31,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:38:31,414 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:38:31,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:38:31,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:38:31,415 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:38:31,415 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:38:31,415 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:38:31,415 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:38:31,415 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:38:31,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:38:31,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:38:31,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:38:31,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:38:31,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:38:31,415 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:38:31,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:38:31,416 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_623d7589-71b8-4905-a4e2-31e4f75ffe7f/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 -> df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda [2024-12-06 03:38:31,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:38:31,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:38:31,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:38:31,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:38:31,662 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:38:31,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i [2024-12-06 03:38:34,317 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/data/a8145662e/8eb6dac3fe9740808e8b5475007c9644/FLAGf2b9bca6a [2024-12-06 03:38:34,606 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:38:34,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i [2024-12-06 03:38:34,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/data/a8145662e/8eb6dac3fe9740808e8b5475007c9644/FLAGf2b9bca6a [2024-12-06 03:38:34,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/data/a8145662e/8eb6dac3fe9740808e8b5475007c9644 [2024-12-06 03:38:34,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:38:34,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:38:34,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:38:34,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:38:34,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:38:34,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:38:34" (1/1) ... [2024-12-06 03:38:34,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24569da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:34, skipping insertion in model container [2024-12-06 03:38:34,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:38:34" (1/1) ... [2024-12-06 03:38:34,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:38:35,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:38:35,353 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:38:35,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:38:35,521 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:38:35,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35 WrapperNode [2024-12-06 03:38:35,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:38:35,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:38:35,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:38:35,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:38:35,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35" (1/1) ... [2024-12-06 03:38:35,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35" (1/1) ... [2024-12-06 03:38:35,568 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 98 [2024-12-06 03:38:35,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:38:35,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:38:35,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:38:35,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:38:35,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35" (1/1) ... [2024-12-06 03:38:35,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35" (1/1) ... [2024-12-06 03:38:35,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35" (1/1) ... [2024-12-06 03:38:35,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35" (1/1) ... [2024-12-06 03:38:35,583 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35" (1/1) ... [2024-12-06 03:38:35,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35" (1/1) ... [2024-12-06 03:38:35,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35" (1/1) ... [2024-12-06 03:38:35,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35" (1/1) ... [2024-12-06 03:38:35,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35" (1/1) ... [2024-12-06 03:38:35,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:38:35,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:38:35,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:38:35,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:38:35,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:35" (1/1) ... [2024-12-06 03:38:35,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:38:35,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:38:35,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:38:35,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:38:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:38:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:38:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:38:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:38:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:38:35,749 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:38:35,751 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:38:35,923 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-12-06 03:38:35,923 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:38:36,086 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:38:36,087 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:38:36,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:38:36 BoogieIcfgContainer [2024-12-06 03:38:36,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:38:36,088 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:38:36,088 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:38:36,097 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:38:36,097 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:38:36" (1/1) ... [2024-12-06 03:38:36,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:38:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:38:36,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 03:38:36,151 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 03:38:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:38:36,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:38:36,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:38:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:38:36,320 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:38:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:38:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:38:36,453 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:38:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:38:36,489 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:38:36,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:38:36 ImpRootNode [2024-12-06 03:38:36,512 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:38:36,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:38:36,513 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:38:36,513 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:38:36,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:38:36" (3/4) ... [2024-12-06 03:38:36,516 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:38:36,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:38:36,518 INFO L158 Benchmark]: Toolchain (without parser) took 1871.68ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 98.7MB in the end (delta: 14.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-12-06 03:38:36,518 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:38:36,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 874.50ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 53.5MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 03:38:36,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.16ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 111.8MB in the end (delta: -58.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-12-06 03:38:36,519 INFO L158 Benchmark]: Boogie Preprocessor took 21.94ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 110.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:38:36,519 INFO L158 Benchmark]: RCFGBuilder took 495.78ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 73.8MB in the end (delta: 36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:38:36,520 INFO L158 Benchmark]: CodeCheck took 424.59ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 98.7MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:38:36,520 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 98.7MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:38:36,523 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1564. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 874.50ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 53.5MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.16ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 111.8MB in the end (delta: -58.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.94ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 110.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.78ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 73.8MB in the end (delta: 36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 424.59ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 98.7MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 98.7MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:38:36,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/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_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/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_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/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_623d7589-71b8-4905-a4e2-31e4f75ffe7f/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 df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:38:38,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:38:38,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 03:38:38,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:38:38,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:38:38,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:38:38,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:38:38,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:38:38,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:38:38,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:38:38,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:38:38,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:38:38,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:38:38,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:38:38,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:38:38,563 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:38:38,564 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:38:38,564 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:38:38,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:38:38,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:38:38,564 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:38:38,564 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:38:38,564 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:38:38,564 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:38:38,564 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:38:38,565 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:38:38,565 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:38:38,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:38:38,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:38:38,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:38:38,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:38:38,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:38:38,565 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:38:38,565 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:38:38,565 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:38:38,566 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_623d7589-71b8-4905-a4e2-31e4f75ffe7f/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 -> df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda [2024-12-06 03:38:38,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:38:38,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:38:38,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:38:38,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:38:38,802 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:38:38,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i [2024-12-06 03:38:41,457 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/data/30907c7d9/07d19922b1a2488ab556f92cda7161de/FLAGca176587b [2024-12-06 03:38:41,771 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:38:41,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i [2024-12-06 03:38:41,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/data/30907c7d9/07d19922b1a2488ab556f92cda7161de/FLAGca176587b [2024-12-06 03:38:41,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/data/30907c7d9/07d19922b1a2488ab556f92cda7161de [2024-12-06 03:38:41,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:38:41,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:38:41,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:38:41,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:38:41,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:38:41,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:38:41" (1/1) ... [2024-12-06 03:38:41,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35857e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:41, skipping insertion in model container [2024-12-06 03:38:41,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:38:41" (1/1) ... [2024-12-06 03:38:41,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:38:42,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:38:42,489 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:38:42,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:38:42,715 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:38:42,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42 WrapperNode [2024-12-06 03:38:42,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:38:42,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:38:42,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:38:42,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:38:42,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42" (1/1) ... [2024-12-06 03:38:42,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42" (1/1) ... [2024-12-06 03:38:42,759 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2024-12-06 03:38:42,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:38:42,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:38:42,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:38:42,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:38:42,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42" (1/1) ... [2024-12-06 03:38:42,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42" (1/1) ... [2024-12-06 03:38:42,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42" (1/1) ... [2024-12-06 03:38:42,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42" (1/1) ... [2024-12-06 03:38:42,776 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42" (1/1) ... [2024-12-06 03:38:42,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42" (1/1) ... [2024-12-06 03:38:42,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42" (1/1) ... [2024-12-06 03:38:42,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42" (1/1) ... [2024-12-06 03:38:42,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42" (1/1) ... [2024-12-06 03:38:42,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:38:42,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:38:42,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:38:42,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:38:42,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:42" (1/1) ... [2024-12-06 03:38:42,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:38:42,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:38:42,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:38:42,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:38:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:38:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:38:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:38:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:38:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:38:42,950 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:38:42,951 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:38:43,067 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-06 03:38:43,067 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:38:43,122 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:38:43,123 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:38:43,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:38:43 BoogieIcfgContainer [2024-12-06 03:38:43,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:38:43,124 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:38:43,124 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:38:43,133 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:38:43,134 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:38:43" (1/1) ... [2024-12-06 03:38:43,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:38:43,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:38:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 03:38:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 03:38:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:38:43,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:38:43,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:38:43,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:38:43,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:38:43,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:38:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:38:43,328 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:38:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:38:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:38:43,418 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:38:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:38:43,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:38:43,452 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:38:43,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:38:43 ImpRootNode [2024-12-06 03:38:43,476 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:38:43,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:38:43,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:38:43,477 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:38:43,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:38:43" (3/4) ... [2024-12-06 03:38:43,478 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:38:43,519 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-06 03:38:43,562 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:38:43,562 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:38:43,562 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:38:43,563 INFO L158 Benchmark]: Toolchain (without parser) took 1752.43ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 52.6MB in the end (delta: 14.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 03:38:43,564 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:38:43,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.04ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 62.1MB in the end (delta: 4.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-06 03:38:43,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.75ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:38:43,565 INFO L158 Benchmark]: Boogie Preprocessor took 23.34ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:38:43,565 INFO L158 Benchmark]: RCFGBuilder took 339.66ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 41.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:38:43,566 INFO L158 Benchmark]: CodeCheck took 352.26ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 57.5MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:38:43,566 INFO L158 Benchmark]: Witness Printer took 85.54ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 52.6MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:38:43,568 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: 1555]: 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 int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.04ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 62.1MB in the end (delta: 4.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.75ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.34ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 339.66ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 41.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 352.26ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 57.5MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.54ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 52.6MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:38:43,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623d7589-71b8-4905-a4e2-31e4f75ffe7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)