./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_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_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 217de96787e32975f07008236baa507ec081366c64009fa0ca7d049e6a7afc8b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:35:28,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:35:28,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:35:28,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:35:28,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:35:28,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:35:28,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:35:28,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:35:28,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:35:28,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:35:28,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:35:28,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:35:28,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:35:28,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:35:28,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:35:28,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:35:28,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:35:28,425 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:35:28,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:35:28,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:35:28,426 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:35:28,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:35:28,426 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:35:28,427 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:35:28,427 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:35:28,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:35:28,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:28,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:35:28,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:35:28,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:35:28,428 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:35:28,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:35:28,428 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_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 217de96787e32975f07008236baa507ec081366c64009fa0ca7d049e6a7afc8b [2024-11-25 02:35:28,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:35:28,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:35:28,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:35:28,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:35:28,866 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:35:28,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i [2024-11-25 02:35:32,753 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/data/9d6545a1e/738bbd074c764194a1f235f43c9f5747/FLAGb3181f620 [2024-11-25 02:35:33,422 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:35:33,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i [2024-11-25 02:35:33,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/data/9d6545a1e/738bbd074c764194a1f235f43c9f5747/FLAGb3181f620 [2024-11-25 02:35:33,509 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/data/9d6545a1e/738bbd074c764194a1f235f43c9f5747 [2024-11-25 02:35:33,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:35:33,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:35:33,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:33,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:35:33,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:35:33,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:33" (1/1) ... [2024-11-25 02:35:33,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc18d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:33, skipping insertion in model container [2024-11-25 02:35:33,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:33" (1/1) ... [2024-11-25 02:35:33,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:35:34,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:34,866 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:35:34,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:35,129 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:35:35,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35 WrapperNode [2024-11-25 02:35:35,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:35,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:35,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:35:35,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:35:35,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35" (1/1) ... [2024-11-25 02:35:35,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35" (1/1) ... [2024-11-25 02:35:35,201 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 98 [2024-11-25 02:35:35,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:35,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:35:35,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:35:35,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:35:35,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35" (1/1) ... [2024-11-25 02:35:35,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35" (1/1) ... [2024-11-25 02:35:35,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35" (1/1) ... [2024-11-25 02:35:35,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35" (1/1) ... [2024-11-25 02:35:35,218 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35" (1/1) ... [2024-11-25 02:35:35,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35" (1/1) ... [2024-11-25 02:35:35,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35" (1/1) ... [2024-11-25 02:35:35,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35" (1/1) ... [2024-11-25 02:35:35,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35" (1/1) ... [2024-11-25 02:35:35,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:35:35,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:35:35,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:35:35,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:35:35,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:35" (1/1) ... [2024-11-25 02:35:35,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:35,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:35:35,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:35:35,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:35:35,294 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:35:35,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:35:35,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:35:35,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:35:35,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:35:35,439 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:35:35,441 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:35:35,777 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-25 02:35:35,777 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:35:36,109 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:35:36,110 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:35:36,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:36 BoogieIcfgContainer [2024-11-25 02:35:36,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:35:36,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:35:36,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:35:36,122 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:35:36,122 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:36" (1/1) ... [2024-11-25 02:35:36,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:35:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:36,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 02:35:36,189 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 02:35:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:35:36,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:36,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:36,494 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:35:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:36,686 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:35:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:36,732 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:35:36,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:35:36 ImpRootNode [2024-11-25 02:35:36,757 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:35:36,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:35:36,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:35:36,758 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:35:36,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:36" (3/4) ... [2024-11-25 02:35:36,763 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:35:36,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:35:36,766 INFO L158 Benchmark]: Toolchain (without parser) took 3247.08ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 54.8MB in the end (delta: 34.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-11-25 02:35:36,767 INFO L158 Benchmark]: CDTParser took 1.83ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:36,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1609.56ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 78.9MB in the end (delta: 10.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 02:35:36,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.13ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:36,768 INFO L158 Benchmark]: Boogie Preprocessor took 24.44ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 75.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:36,769 INFO L158 Benchmark]: RCFGBuilder took 883.52ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 87.7MB in the end (delta: -12.5MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-11-25 02:35:36,769 INFO L158 Benchmark]: CodeCheck took 645.74ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 55.4MB in the end (delta: 32.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:35:36,772 INFO L158 Benchmark]: Witness Printer took 6.23ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 54.8MB in the end (delta: 648.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:35:36,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_sub_53d_badSink(data) [L1577] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.83ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1609.56ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 78.9MB in the end (delta: 10.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.13ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.44ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 75.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 883.52ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 87.7MB in the end (delta: -12.5MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * CodeCheck took 645.74ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 55.4MB in the end (delta: 32.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.23ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 54.8MB in the end (delta: 648.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:35:36,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 217de96787e32975f07008236baa507ec081366c64009fa0ca7d049e6a7afc8b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:35:39,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:35:39,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:35:39,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:35:39,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:35:39,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:35:39,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:35:39,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:35:39,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:35:39,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:35:39,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:35:39,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:35:39,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:35:39,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:35:39,719 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:35:39,721 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:35:39,721 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:35:39,721 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:35:39,721 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:35:39,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:35:39,721 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:35:39,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:35:39,722 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:35:39,722 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:35:39,722 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:35:39,722 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:39,722 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:35:39,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:35:39,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:39,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:35:39,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:35:39,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:35:39,723 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:35:39,723 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:39,723 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:35:39,723 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_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 217de96787e32975f07008236baa507ec081366c64009fa0ca7d049e6a7afc8b [2024-11-25 02:35:40,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:35:40,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:35:40,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:35:40,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:35:40,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:35:40,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i [2024-11-25 02:35:43,998 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/data/73d374fa6/8b923d48220846b1a0a9822894f20a3e/FLAG659ca3a6f [2024-11-25 02:35:44,582 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:35:44,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i [2024-11-25 02:35:44,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/data/73d374fa6/8b923d48220846b1a0a9822894f20a3e/FLAG659ca3a6f [2024-11-25 02:35:44,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/data/73d374fa6/8b923d48220846b1a0a9822894f20a3e [2024-11-25 02:35:44,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:35:44,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:35:44,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:44,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:35:44,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:35:44,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:44" (1/1) ... [2024-11-25 02:35:44,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a5b187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:44, skipping insertion in model container [2024-11-25 02:35:44,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:44" (1/1) ... [2024-11-25 02:35:44,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:35:45,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:45,757 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:35:45,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:46,097 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:35:46,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46 WrapperNode [2024-11-25 02:35:46,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:46,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:46,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:35:46,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:35:46,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,173 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 58 [2024-11-25 02:35:46,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:46,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:35:46,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:35:46,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:35:46,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,205 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:35:46,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:35:46,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:35:46,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:35:46,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:46,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:35:46,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:35:46,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:35:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:35:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:35:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:35:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:35:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:35:46,461 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:35:46,463 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:35:46,596 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-25 02:35:46,596 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:35:46,664 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:35:46,664 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:35:46,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:46 BoogieIcfgContainer [2024-11-25 02:35:46,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:35:46,666 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:35:46,666 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:35:46,676 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:35:46,677 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:46" (1/1) ... [2024-11-25 02:35:46,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:35:46,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:46,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 02:35:46,731 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 02:35:46,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:35:46,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:46,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:46,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:46,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:46,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:35:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:46,918 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:35:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:47,066 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:35:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:47,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:35:47,111 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:35:47,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:35:47 ImpRootNode [2024-11-25 02:35:47,148 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:35:47,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:35:47,150 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:35:47,150 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:35:47,151 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:46" (3/4) ... [2024-11-25 02:35:47,152 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:35:47,206 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 02:35:47,267 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:35:47,267 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:35:47,267 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:35:47,268 INFO L158 Benchmark]: Toolchain (without parser) took 2602.61ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 74.3MB in the end (delta: 15.3MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-11-25 02:35:47,268 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:47,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1431.33ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 77.4MB in the end (delta: 11.8MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 02:35:47,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.28ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:47,269 INFO L158 Benchmark]: Boogie Preprocessor took 49.34ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 73.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:47,270 INFO L158 Benchmark]: RCFGBuilder took 440.19ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 55.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:35:47,270 INFO L158 Benchmark]: CodeCheck took 482.14ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 78.9MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:47,271 INFO L158 Benchmark]: Witness Printer took 118.59ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 74.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:35:47,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1577]: 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_sub_53d_badSink(data) [L1577] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1431.33ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 77.4MB in the end (delta: 11.8MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.28ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.34ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 73.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 440.19ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 55.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 482.14ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 78.9MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 118.59ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 74.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:35:47,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfefaf4-74fd-4a10-a0f5-aba69d323530/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)