./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_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_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/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_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/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_acf84665-6247-4236-aa3b-6c126b64738f/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 de4c2e9d6c651b352ccc3e126521815b2746352a0e529dc3f24dfbfca0a7e77c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:59:38,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:59:38,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 21:59:38,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:59:38,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:59:38,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:59:38,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:59:38,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:59:38,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:59:38,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:59:38,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:59:38,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:59:38,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:59:38,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:59:38,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:59:38,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:59:38,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:59:38,171 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:59:38,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:59:38,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:59:38,171 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:59:38,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:59:38,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:59:38,171 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:59:38,171 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:59:38,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:59:38,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:59:38,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:59:38,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:59:38,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:59:38,172 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:59:38,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:59:38,172 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_acf84665-6247-4236-aa3b-6c126b64738f/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 -> de4c2e9d6c651b352ccc3e126521815b2746352a0e529dc3f24dfbfca0a7e77c [2024-12-05 21:59:38,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:59:38,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:59:38,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:59:38,414 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:59:38,414 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:59:38,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i [2024-12-05 21:59:41,060 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/data/accb7af5d/744198c07a534f87b97e413b968f86fd/FLAGff33c78c7 [2024-12-05 21:59:41,362 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:59:41,362 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i [2024-12-05 21:59:41,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/data/accb7af5d/744198c07a534f87b97e413b968f86fd/FLAGff33c78c7 [2024-12-05 21:59:41,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/data/accb7af5d/744198c07a534f87b97e413b968f86fd [2024-12-05 21:59:41,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:59:41,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:59:41,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:59:41,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:59:41,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:59:41,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:59:41" (1/1) ... [2024-12-05 21:59:41,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76149a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:41, skipping insertion in model container [2024-12-05 21:59:41,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:59:41" (1/1) ... [2024-12-05 21:59:41,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:59:42,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:59:42,045 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:59:42,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:59:42,209 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:59:42,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42 WrapperNode [2024-12-05 21:59:42,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:59:42,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:59:42,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:59:42,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:59:42,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,251 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2024-12-05 21:59:42,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:59:42,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:59:42,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:59:42,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:59:42,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,267 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:59:42,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:59:42,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:59:42,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:59:42,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:59:42,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:59:42,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:59:42,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:59:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 21:59:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 21:59:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:59:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 21:59:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:59:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:59:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:59:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:59:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:59:42,447 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:59:42,449 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:59:42,640 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-12-05 21:59:42,641 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:59:42,794 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:59:42,794 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:59:42,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:59:42 BoogieIcfgContainer [2024-12-05 21:59:42,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:59:42,795 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:59:42,795 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:59:42,803 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:59:42,804 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:59:42" (1/1) ... [2024-12-05 21:59:42,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:59:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:59:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 21:59:42,875 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 21:59:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:59:42,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:59:42,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:59:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:59:43,117 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:59:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:59:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:59:43,311 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:59:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:59:43,362 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:59:43,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:59:43 ImpRootNode [2024-12-05 21:59:43,386 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:59:43,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:59:43,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:59:43,387 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:59:43,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:59:42" (3/4) ... [2024-12-05 21:59:43,391 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:59:43,392 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:59:43,393 INFO L158 Benchmark]: Toolchain (without parser) took 1998.31ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 44.8MB in the end (delta: 46.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-05 21:59:43,393 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:59:43,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.59ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 82.5MB in the end (delta: 8.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-12-05 21:59:43,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.09ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 79.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:59:43,395 INFO L158 Benchmark]: Boogie Preprocessor took 22.56ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:59:43,396 INFO L158 Benchmark]: RCFGBuilder took 519.32ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 40.7MB in the end (delta: 37.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 21:59:43,396 INFO L158 Benchmark]: CodeCheck took 591.00ms. Allocated memory is still 117.4MB. Free memory was 40.7MB in the beginning and 44.8MB in the end (delta: -4.1MB). Peak memory consumption was 376.9kB. Max. memory is 16.1GB. [2024-12-05 21:59:43,396 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 117.4MB. Free memory was 44.8MB in the beginning and 44.8MB in the end (delta: 7.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:59:43,399 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 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1558. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_multiply_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1572] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.59ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 82.5MB in the end (delta: 8.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.09ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 79.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.56ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 519.32ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 40.7MB in the end (delta: 37.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 591.00ms. Allocated memory is still 117.4MB. Free memory was 40.7MB in the beginning and 44.8MB in the end (delta: -4.1MB). Peak memory consumption was 376.9kB. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 117.4MB. Free memory was 44.8MB in the beginning and 44.8MB in the end (delta: 7.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:59:43,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/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_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/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_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/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_acf84665-6247-4236-aa3b-6c126b64738f/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 de4c2e9d6c651b352ccc3e126521815b2746352a0e529dc3f24dfbfca0a7e77c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:59:45,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:59:45,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 21:59:45,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:59:45,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:59:45,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:59:45,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:59:45,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:59:45,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:59:45,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:59:45,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:59:45,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:59:45,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:59:45,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:59:45,603 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:59:45,603 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:59:45,603 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:59:45,603 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:59:45,604 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:59:45,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:59:45,604 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:59:45,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:59:45,604 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:59:45,604 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:59:45,604 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:59:45,605 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:59:45,605 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:59:45,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:59:45,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:59:45,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:59:45,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:59:45,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:59:45,605 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:59:45,605 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:59:45,605 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:59:45,606 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_acf84665-6247-4236-aa3b-6c126b64738f/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 -> de4c2e9d6c651b352ccc3e126521815b2746352a0e529dc3f24dfbfca0a7e77c [2024-12-05 21:59:45,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:59:45,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:59:45,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:59:45,913 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:59:45,914 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:59:45,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i [2024-12-05 21:59:48,708 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/data/9a73c1a2c/d46fc642f94a42ef96c5efedb69b508b/FLAGb8c5d9333 [2024-12-05 21:59:49,032 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:59:49,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i [2024-12-05 21:59:49,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/data/9a73c1a2c/d46fc642f94a42ef96c5efedb69b508b/FLAGb8c5d9333 [2024-12-05 21:59:49,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/data/9a73c1a2c/d46fc642f94a42ef96c5efedb69b508b [2024-12-05 21:59:49,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:59:49,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:59:49,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:59:49,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:59:49,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:59:49,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:59:49" (1/1) ... [2024-12-05 21:59:49,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5477f554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:49, skipping insertion in model container [2024-12-05 21:59:49,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:59:49" (1/1) ... [2024-12-05 21:59:49,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:59:49,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:59:49,896 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:59:49,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:59:50,092 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:59:50,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50 WrapperNode [2024-12-05 21:59:50,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:59:50,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:59:50,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:59:50,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:59:50,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,140 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-12-05 21:59:50,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:59:50,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:59:50,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:59:50,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:59:50,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,164 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:59:50,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:59:50,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:59:50,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:59:50,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:59:50,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:59:50,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:59:50,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:59:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 21:59:50,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 21:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:59:50,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 21:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 21:59:50,377 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:59:50,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:59:50,558 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-12-05 21:59:50,558 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:59:50,626 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:59:50,627 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:59:50,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:59:50 BoogieIcfgContainer [2024-12-05 21:59:50,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:59:50,628 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:59:50,628 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:59:50,637 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:59:50,637 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:59:50" (1/1) ... [2024-12-05 21:59:50,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:59:50,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:59:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 21:59:50,687 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 21:59:50,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:59:50,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:59:50,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:59:50,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:59:50,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:59:50,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:59:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:59:50,938 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:59:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:59:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:59:51,179 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:59:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:59:51,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:59:51,276 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:59:51,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:59:51 ImpRootNode [2024-12-05 21:59:51,302 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:59:51,302 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:59:51,302 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:59:51,302 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:59:51,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:59:50" (3/4) ... [2024-12-05 21:59:51,303 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 21:59:51,344 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-05 21:59:51,389 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:59:51,389 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:59:51,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:59:51,390 INFO L158 Benchmark]: Toolchain (without parser) took 2310.56ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 45.1MB in the end (delta: 21.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-12-05 21:59:51,391 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:59:51,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1011.11ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 61.5MB in the end (delta: 4.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-05 21:59:51,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.87ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 58.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:59:51,392 INFO L158 Benchmark]: Boogie Preprocessor took 33.69ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 57.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:59:51,392 INFO L158 Benchmark]: RCFGBuilder took 451.56ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 37.7MB in the end (delta: 19.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 21:59:51,392 INFO L158 Benchmark]: CodeCheck took 673.61ms. Allocated memory is still 92.3MB. Free memory was 37.7MB in the beginning and 50.0MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:59:51,392 INFO L158 Benchmark]: Witness Printer took 87.47ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 45.1MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:59:51,394 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, 14 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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: 1574]: 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_multiply_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1572] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1011.11ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 61.5MB in the end (delta: 4.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.87ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 58.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.69ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 57.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 451.56ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 37.7MB in the end (delta: 19.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 673.61ms. Allocated memory is still 92.3MB. Free memory was 37.7MB in the beginning and 50.0MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 87.47ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 45.1MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 21:59:51,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf84665-6247-4236-aa3b-6c126b64738f/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)