./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_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_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/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_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/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_6a6ffa97-07e3-4379-8abe-18aad7da369c/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 54a2b07f3c9b5d651cc1badfb2aaac82869f29be5b314d554ef071caa013b437 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:11:44,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:11:44,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:11:44,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:11:44,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:11:44,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:11:44,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:11:44,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:11:44,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:11:44,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:11:44,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:11:44,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:11:44,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:11:44,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:11:44,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:11:44,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:11:44,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:11:44,087 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:11:44,087 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:11:44,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:11:44,087 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:11:44,088 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:11:44,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:11:44,088 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:11:44,088 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:11:44,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:11:44,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:11:44,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:11:44,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:11:44,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:11:44,088 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:11:44,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:11:44,088 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_6a6ffa97-07e3-4379-8abe-18aad7da369c/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 -> 54a2b07f3c9b5d651cc1badfb2aaac82869f29be5b314d554ef071caa013b437 [2024-12-06 03:11:44,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:11:44,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:11:44,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:11:44,312 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:11:44,312 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:11:44,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_bad.i [2024-12-06 03:11:46,934 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/data/1323407c7/01c20d59876f4b51b86bf8e5f7c6ea0b/FLAG6e13d7758 [2024-12-06 03:11:47,242 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:11:47,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_bad.i [2024-12-06 03:11:47,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/data/1323407c7/01c20d59876f4b51b86bf8e5f7c6ea0b/FLAG6e13d7758 [2024-12-06 03:11:47,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/data/1323407c7/01c20d59876f4b51b86bf8e5f7c6ea0b [2024-12-06 03:11:47,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:11:47,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:11:47,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:11:47,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:11:47,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:11:47,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:11:47" (1/1) ... [2024-12-06 03:11:47,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7374a3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:47, skipping insertion in model container [2024-12-06 03:11:47,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:11:47" (1/1) ... [2024-12-06 03:11:47,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:11:48,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:11:48,188 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:11:48,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:11:48,364 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:11:48,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48 WrapperNode [2024-12-06 03:11:48,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:11:48,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:11:48,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:11:48,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:11:48,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,407 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-12-06 03:11:48,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:11:48,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:11:48,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:11:48,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:11:48,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,421 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:11:48,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:11:48,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:11:48,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:11:48,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:11:48,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:11:48,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:11:48,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:11:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:11:48,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:11:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-12-06 03:11:48,477 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-12-06 03:11:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:11:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:11:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:11:48,587 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:11:48,589 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:11:48,772 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-06 03:11:48,773 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:11:48,928 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:11:48,929 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:11:48,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:48 BoogieIcfgContainer [2024-12-06 03:11:48,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:11:48,929 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:11:48,929 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:11:48,936 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:11:48,937 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:48" (1/1) ... [2024-12-06 03:11:48,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:11:48,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-12-06 03:11:48,981 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-12-06 03:11:48,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:11:48,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:48,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:11:49,167 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:11:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:11:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:11:49,322 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:11:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:11:49,366 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:11:49,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:11:49 ImpRootNode [2024-12-06 03:11:49,389 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:11:49,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:11:49,390 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:11:49,390 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:11:49,390 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:48" (3/4) ... [2024-12-06 03:11:49,393 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:11:49,393 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:11:49,394 INFO L158 Benchmark]: Toolchain (without parser) took 1880.91ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 82.3MB in the end (delta: 31.4MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2024-12-06 03:11:49,395 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 83.6MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:11:49,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 851.04ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 54.3MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 03:11:49,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.56ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 112.2MB in the end (delta: -57.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-12-06 03:11:49,396 INFO L158 Benchmark]: Boogie Preprocessor took 17.39ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 111.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:11:49,396 INFO L158 Benchmark]: RCFGBuilder took 502.58ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 69.4MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 03:11:49,397 INFO L158 Benchmark]: CodeCheck took 459.42ms. Allocated memory is still 142.6MB. Free memory was 69.4MB in the beginning and 83.0MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:11:49,397 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 82.3MB in the end (delta: 755.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:11:49,399 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 3 procedures, 20 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, 15 NumberOfCodeBlocks, 15 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] data-- 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 0.23ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 83.6MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 851.04ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 54.3MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.56ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 112.2MB in the end (delta: -57.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.39ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 111.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.58ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 69.4MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 459.42ms. Allocated memory is still 142.6MB. Free memory was 69.4MB in the beginning and 83.0MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 82.3MB in the end (delta: 755.7kB). 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 03:11:49,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/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_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/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_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/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_6a6ffa97-07e3-4379-8abe-18aad7da369c/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 54a2b07f3c9b5d651cc1badfb2aaac82869f29be5b314d554ef071caa013b437 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:11:51,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:11:51,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 03:11:51,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:11:51,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:11:51,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:11:51,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:11:51,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:11:51,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:11:51,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:11:51,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:11:51,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:11:51,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:11:51,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:11:51,466 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:11:51,466 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:11:51,466 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:11:51,467 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:11:51,467 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:11:51,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:11:51,467 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:11:51,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:11:51,467 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:11:51,467 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:11:51,467 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:11:51,467 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:51,467 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:11:51,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:11:51,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:11:51,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:11:51,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:11:51,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:11:51,468 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:11:51,468 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:51,468 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:11:51,468 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_6a6ffa97-07e3-4379-8abe-18aad7da369c/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 -> 54a2b07f3c9b5d651cc1badfb2aaac82869f29be5b314d554ef071caa013b437 [2024-12-06 03:11:51,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:11:51,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:11:51,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:11:51,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:11:51,726 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:11:51,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_bad.i [2024-12-06 03:11:54,427 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/data/d38b03325/a751a47744a847c8860a190e2fda287f/FLAGe0b20f451 [2024-12-06 03:11:54,686 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:11:54,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_11_bad.i [2024-12-06 03:11:54,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/data/d38b03325/a751a47744a847c8860a190e2fda287f/FLAGe0b20f451 [2024-12-06 03:11:54,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/data/d38b03325/a751a47744a847c8860a190e2fda287f [2024-12-06 03:11:54,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:11:54,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:11:54,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:11:54,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:11:54,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:11:54,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:11:54" (1/1) ... [2024-12-06 03:11:54,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583ca5af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:54, skipping insertion in model container [2024-12-06 03:11:54,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:11:54" (1/1) ... [2024-12-06 03:11:54,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:11:55,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:11:55,443 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:11:55,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:11:55,628 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:11:55,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55 WrapperNode [2024-12-06 03:11:55,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:11:55,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:11:55,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:11:55,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:11:55,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55" (1/1) ... [2024-12-06 03:11:55,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55" (1/1) ... [2024-12-06 03:11:55,680 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-12-06 03:11:55,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:11:55,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:11:55,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:11:55,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:11:55,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55" (1/1) ... [2024-12-06 03:11:55,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55" (1/1) ... [2024-12-06 03:11:55,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55" (1/1) ... [2024-12-06 03:11:55,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55" (1/1) ... [2024-12-06 03:11:55,697 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55" (1/1) ... [2024-12-06 03:11:55,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55" (1/1) ... [2024-12-06 03:11:55,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55" (1/1) ... [2024-12-06 03:11:55,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55" (1/1) ... [2024-12-06 03:11:55,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55" (1/1) ... [2024-12-06 03:11:55,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:11:55,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:11:55,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:11:55,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:11:55,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:55" (1/1) ... [2024-12-06 03:11:55,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:11:55,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:11:55,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:11:55,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:11:55,763 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:11:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:11:55,763 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-12-06 03:11:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-12-06 03:11:55,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:11:55,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:11:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:11:55,878 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:11:55,879 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:11:55,981 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 03:11:55,981 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:11:56,032 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:11:56,032 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:11:56,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:56 BoogieIcfgContainer [2024-12-06 03:11:56,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:11:56,034 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:11:56,034 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:11:56,041 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:11:56,041 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:56" (1/1) ... [2024-12-06 03:11:56,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:11:56,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-12-06 03:11:56,082 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-12-06 03:11:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:11:56,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:56,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:56,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:56,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:56,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:11:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:11:56,223 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:11:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:11:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:11:56,337 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:11:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:11:56,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:11:56,377 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:11:56,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:11:56 ImpRootNode [2024-12-06 03:11:56,404 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:11:56,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:11:56,404 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:11:56,404 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:11:56,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:56" (3/4) ... [2024-12-06 03:11:56,406 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:11:56,447 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 11. [2024-12-06 03:11:56,494 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:11:56,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:11:56,495 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:11:56,496 INFO L158 Benchmark]: Toolchain (without parser) took 1769.88ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 54.8MB in the end (delta: 12.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-12-06 03:11:56,496 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:11:56,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 902.51ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 32.2MB in the end (delta: 34.4MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-12-06 03:11:56,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.87ms. Allocated memory is still 92.3MB. Free memory was 32.2MB in the beginning and 64.0MB in the end (delta: -31.8MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-12-06 03:11:56,497 INFO L158 Benchmark]: Boogie Preprocessor took 25.26ms. Allocated memory is still 92.3MB. Free memory was 63.5MB in the beginning and 62.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:11:56,497 INFO L158 Benchmark]: RCFGBuilder took 326.25ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 44.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:11:56,497 INFO L158 Benchmark]: CodeCheck took 370.11ms. Allocated memory is still 92.3MB. Free memory was 44.7MB in the beginning and 60.3MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:11:56,498 INFO L158 Benchmark]: Witness Printer took 90.49ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 54.8MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:11:56,500 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 3 procedures, 19 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, 14 NumberOfCodeBlocks, 14 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: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] data-- 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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 902.51ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 32.2MB in the end (delta: 34.4MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.87ms. Allocated memory is still 92.3MB. Free memory was 32.2MB in the beginning and 64.0MB in the end (delta: -31.8MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.26ms. Allocated memory is still 92.3MB. Free memory was 63.5MB in the beginning and 62.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 326.25ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 44.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 370.11ms. Allocated memory is still 92.3MB. Free memory was 44.7MB in the beginning and 60.3MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 90.49ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 54.8MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:11:56,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6ffa97-07e3-4379-8abe-18aad7da369c/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)