./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_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_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/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_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/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_53335b43-0e15-40c6-8fc9-7ab508f4f3af/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 0633365511ab4b3608c6525da6427420cfa249a9fc7b996664a9376f5eecc4ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:54:36,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:54:36,956 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:54:36,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:54:36,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:54:36,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:54:36,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:54:36,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:54:36,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:54:36,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:54:36,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:54:36,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:54:36,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:54:36,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:54:36,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:54:36,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:54:36,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:54:36,982 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:54:36,982 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:54:36,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:54:36,982 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:54:36,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:54:36,983 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:54:36,983 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:54:36,983 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:54:36,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:54:36,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:54:36,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:54:36,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:54:36,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:54:36,983 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:54:36,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:54:36,984 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_53335b43-0e15-40c6-8fc9-7ab508f4f3af/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 -> 0633365511ab4b3608c6525da6427420cfa249a9fc7b996664a9376f5eecc4ac [2024-12-05 23:54:37,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:54:37,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:54:37,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:54:37,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:54:37,234 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:54:37,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i [2024-12-05 23:54:39,898 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/data/15ae8a02c/35ea388c7f754cfa8a6c08ed6c1b798e/FLAG3f4b718d6 [2024-12-05 23:54:40,198 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:54:40,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i [2024-12-05 23:54:40,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/data/15ae8a02c/35ea388c7f754cfa8a6c08ed6c1b798e/FLAG3f4b718d6 [2024-12-05 23:54:40,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/data/15ae8a02c/35ea388c7f754cfa8a6c08ed6c1b798e [2024-12-05 23:54:40,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:54:40,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:54:40,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:54:40,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:54:40,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:54:40,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:54:40" (1/1) ... [2024-12-05 23:54:40,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36059bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:40, skipping insertion in model container [2024-12-05 23:54:40,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:54:40" (1/1) ... [2024-12-05 23:54:40,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:54:41,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:54:41,168 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:54:41,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:54:41,339 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:54:41,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41 WrapperNode [2024-12-05 23:54:41,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:54:41,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:54:41,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:54:41,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:54:41,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,385 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-12-05 23:54:41,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:54:41,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:54:41,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:54:41,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:54:41,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,401 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:54:41,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:54:41,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:54:41,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:54:41,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:54:41,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:54:41,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:54:41,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:54:41,458 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:54:41,459 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:54:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:54:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:54:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:54:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:54:41,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:54:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 23:54:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:54:41,576 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:54:41,577 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:54:41,781 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-12-05 23:54:41,782 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:54:41,929 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:54:41,929 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:54:41,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:54:41 BoogieIcfgContainer [2024-12-05 23:54:41,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:54:41,930 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:54:41,930 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:54:41,937 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:54:41,937 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:54:41" (1/1) ... [2024-12-05 23:54:41,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:54:41,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:41,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 23:54:41,982 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 23:54:41,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:54:41,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:41,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:54:42,216 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:54:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:54:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:54:42,377 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:54:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:54:42,430 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:54:42,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:54:42 ImpRootNode [2024-12-05 23:54:42,462 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:54:42,463 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:54:42,463 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:54:42,463 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:54:42,464 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:54:41" (3/4) ... [2024-12-05 23:54:42,466 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:54:42,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:54:42,468 INFO L158 Benchmark]: Toolchain (without parser) took 1989.78ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 84.7MB in the end (delta: 29.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-12-05 23:54:42,468 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:42,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 860.29ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 53.6MB in the end (delta: 60.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 23:54:42,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.24ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 112.5MB in the end (delta: -58.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-05 23:54:42,470 INFO L158 Benchmark]: Boogie Preprocessor took 22.26ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 111.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:42,470 INFO L158 Benchmark]: RCFGBuilder took 519.73ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 71.8MB in the end (delta: 39.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 23:54:42,471 INFO L158 Benchmark]: CodeCheck took 532.05ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 84.7MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:42,471 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 84.7MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:42,473 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1568] 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] [L1570] 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 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 860.29ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 53.6MB in the end (delta: 60.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.24ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 112.5MB in the end (delta: -58.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.26ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 111.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 519.73ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 71.8MB in the end (delta: 39.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 532.05ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 84.7MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 84.7MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:54:42,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/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_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/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_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/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_53335b43-0e15-40c6-8fc9-7ab508f4f3af/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 0633365511ab4b3608c6525da6427420cfa249a9fc7b996664a9376f5eecc4ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:54:44,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:54:44,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 23:54:44,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:54:44,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:54:44,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:54:44,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:54:44,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:54:44,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:54:44,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:54:44,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:54:44,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:54:44,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:54:44,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:54:44,599 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:54:44,599 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:54:44,599 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:54:44,599 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:54:44,599 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:54:44,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:54:44,599 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:54:44,599 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:54:44,599 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:54:44,600 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:54:44,600 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:54:44,600 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:44,600 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:54:44,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:54:44,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:54:44,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:54:44,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:54:44,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:54:44,600 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:54:44,601 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:44,601 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:54:44,601 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_53335b43-0e15-40c6-8fc9-7ab508f4f3af/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 -> 0633365511ab4b3608c6525da6427420cfa249a9fc7b996664a9376f5eecc4ac [2024-12-05 23:54:44,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:54:44,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:54:44,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:54:44,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:54:44,822 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:54:44,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i [2024-12-05 23:54:47,475 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/data/e0f3f2c9b/a294bf08dd63423988c934dba070a58f/FLAG6b00c94d5 [2024-12-05 23:54:47,780 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:54:47,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i [2024-12-05 23:54:47,802 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/data/e0f3f2c9b/a294bf08dd63423988c934dba070a58f/FLAG6b00c94d5 [2024-12-05 23:54:47,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/data/e0f3f2c9b/a294bf08dd63423988c934dba070a58f [2024-12-05 23:54:47,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:54:47,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:54:47,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:54:47,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:54:47,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:54:47,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:54:47" (1/1) ... [2024-12-05 23:54:47,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b383cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:47, skipping insertion in model container [2024-12-05 23:54:47,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:54:47" (1/1) ... [2024-12-05 23:54:47,869 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:54:48,614 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:54:48,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:54:48,630 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:54:48,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:54:48,862 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:54:48,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48 WrapperNode [2024-12-05 23:54:48,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:54:48,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:54:48,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:54:48,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:54:48,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48" (1/1) ... [2024-12-05 23:54:48,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48" (1/1) ... [2024-12-05 23:54:48,909 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-12-05 23:54:48,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:54:48,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:54:48,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:54:48,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:54:48,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48" (1/1) ... [2024-12-05 23:54:48,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48" (1/1) ... [2024-12-05 23:54:48,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48" (1/1) ... [2024-12-05 23:54:48,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48" (1/1) ... [2024-12-05 23:54:48,930 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48" (1/1) ... [2024-12-05 23:54:48,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48" (1/1) ... [2024-12-05 23:54:48,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48" (1/1) ... [2024-12-05 23:54:48,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48" (1/1) ... [2024-12-05 23:54:48,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48" (1/1) ... [2024-12-05 23:54:48,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:54:48,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:54:48,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:54:48,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:54:48,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:54:48" (1/1) ... [2024-12-05 23:54:48,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:54:48,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:54:48,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:54:48,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:54:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:54:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:54:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:54:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:54:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:54:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:54:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 23:54:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 23:54:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 23:54:49,158 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:54:49,160 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:54:49,320 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-12-05 23:54:49,320 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:54:49,392 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:54:49,393 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:54:49,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:54:49 BoogieIcfgContainer [2024-12-05 23:54:49,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:54:49,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:54:49,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:54:49,406 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:54:49,407 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:54:49" (1/1) ... [2024-12-05 23:54:49,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:54:49,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:49,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 23:54:49,475 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 23:54:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:54:49,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:49,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:49,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:49,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:49,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:54:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:54:49,723 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:54:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:54:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:54:49,930 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:54:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:54:50,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:54:50,004 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:54:50,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:54:50 ImpRootNode [2024-12-05 23:54:50,036 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:54:50,036 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:54:50,036 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:54:50,037 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:54:50,037 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:54:49" (3/4) ... [2024-12-05 23:54:50,038 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:54:50,077 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-05 23:54:50,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:54:50,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:54:50,120 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:54:50,121 INFO L158 Benchmark]: Toolchain (without parser) took 2298.59ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.4MB in the beginning and 97.6MB in the end (delta: -31.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-05 23:54:50,121 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:50,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1039.51ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 61.1MB in the end (delta: 5.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-05 23:54:50,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.98ms. Allocated memory is still 92.3MB. Free memory was 61.1MB in the beginning and 58.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:50,122 INFO L158 Benchmark]: Boogie Preprocessor took 29.04ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 56.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:50,122 INFO L158 Benchmark]: RCFGBuilder took 453.75ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 38.2MB in the end (delta: 18.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:54:50,123 INFO L158 Benchmark]: CodeCheck took 641.49ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 38.2MB in the beginning and 102.6MB in the end (delta: -64.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:50,123 INFO L158 Benchmark]: Witness Printer took 83.40ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 97.6MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:54:50,125 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: 1570]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1568] 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] [L1570] 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 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1039.51ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 61.1MB in the end (delta: 5.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.98ms. Allocated memory is still 92.3MB. Free memory was 61.1MB in the beginning and 58.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.04ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 56.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.75ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 38.2MB in the end (delta: 18.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 641.49ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 38.2MB in the beginning and 102.6MB in the end (delta: -64.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.40ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 97.6MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:54:50,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53335b43-0e15-40c6-8fc9-7ab508f4f3af/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)