./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm --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 bdc69826daca7e7f55fe3e8067dcb910efb50c9933511961be6fdaa541a8924b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:17:10,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:17:10,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:17:10,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:17:10,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:17:10,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:17:10,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:17:10,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:17:10,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:17:10,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:17:10,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:17:10,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:17:10,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:17:10,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:17:10,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:17:10,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:17:10,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:17:10,975 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:17:10,975 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:17:10,976 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:17:10,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:17:10,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:17:10,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:17:10,976 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:17:10,976 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:17:10,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:17:10,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:17:10,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:17:10,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:17:10,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:17:10,977 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:17:10,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:17:10,978 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_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm 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 -> bdc69826daca7e7f55fe3e8067dcb910efb50c9933511961be6fdaa541a8924b [2024-11-13 23:17:11,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:17:11,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:17:11,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:17:11,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:17:11,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:17:11,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i Unable to find full path for "g++" [2024-11-13 23:17:13,639 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:17:14,196 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:17:14,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i [2024-11-13 23:17:14,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/data/0a16aa58f/d3f807ecd5c840a08e3b09f9bccbc66c/FLAG36032ce19 [2024-11-13 23:17:14,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/data/0a16aa58f/d3f807ecd5c840a08e3b09f9bccbc66c [2024-11-13 23:17:14,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:17:14,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:17:14,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:17:14,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:17:14,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:17:14,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:17:14" (1/1) ... [2024-11-13 23:17:14,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e969b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:14, skipping insertion in model container [2024-11-13 23:17:14,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:17:14" (1/1) ... [2024-11-13 23:17:14,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:17:15,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:17:15,597 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:17:15,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:17:15,892 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:17:15,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:15 WrapperNode [2024-11-13 23:17:15,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:17:15,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:17:15,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:17:15,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:17:15,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:15" (1/1) ... [2024-11-13 23:17:15,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:15" (1/1) ... [2024-11-13 23:17:15,955 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2024-11-13 23:17:15,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:17:15,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:17:15,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:17:15,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:17:15,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:15" (1/1) ... [2024-11-13 23:17:15,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:15" (1/1) ... [2024-11-13 23:17:15,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:15" (1/1) ... [2024-11-13 23:17:15,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:15" (1/1) ... [2024-11-13 23:17:15,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:15" (1/1) ... [2024-11-13 23:17:15,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:15" (1/1) ... [2024-11-13 23:17:15,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:15" (1/1) ... [2024-11-13 23:17:15,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:15" (1/1) ... [2024-11-13 23:17:15,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:17:15,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:17:15,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:17:15,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:17:15,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:15" (1/1) ... [2024-11-13 23:17:16,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:17:16,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:17:16,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:17:16,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:17:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:17:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:17:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:17:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:17:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:17:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:17:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:17:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:17:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:17:16,335 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:17:16,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:17:16,713 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-13 23:17:16,713 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:17:16,965 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:17:16,966 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:17:16,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:17:16 BoogieIcfgContainer [2024-11-13 23:17:16,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:17:16,967 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:17:16,967 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:17:16,981 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:17:16,981 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:17:16" (1/1) ... [2024-11-13 23:17:16,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:17:17,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:17:17,067 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:17:17,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:17:17,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:17:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:17,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:17:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:18,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:17:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:18,156 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:17:18,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:17:18 ImpRootNode [2024-11-13 23:17:18,205 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:17:18,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:17:18,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:17:18,208 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:17:18,210 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:17:16" (3/4) ... [2024-11-13 23:17:18,214 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:17:18,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:17:18,218 INFO L158 Benchmark]: Toolchain (without parser) took 3968.95ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 80.1MB in the end (delta: 23.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-11-13 23:17:18,220 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:18,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1643.92ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 43.5MB in the end (delta: 60.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 23:17:18,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.70ms. Allocated memory is still 142.6MB. Free memory was 43.5MB in the beginning and 40.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:17:18,222 INFO L158 Benchmark]: Boogie Preprocessor took 33.22ms. Allocated memory is still 142.6MB. Free memory was 40.6MB in the beginning and 39.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:18,225 INFO L158 Benchmark]: RCFGBuilder took 975.63ms. Allocated memory is still 142.6MB. Free memory was 39.3MB in the beginning and 70.0MB in the end (delta: -30.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-13 23:17:18,226 INFO L158 Benchmark]: CodeCheck took 1237.42ms. Allocated memory is still 142.6MB. Free memory was 70.0MB in the beginning and 80.1MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:18,226 INFO L158 Benchmark]: Witness Printer took 8.00ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 80.1MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:18,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565, 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_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_sub_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_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1643.92ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 43.5MB in the end (delta: 60.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.70ms. Allocated memory is still 142.6MB. Free memory was 43.5MB in the beginning and 40.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.22ms. Allocated memory is still 142.6MB. Free memory was 40.6MB in the beginning and 39.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 975.63ms. Allocated memory is still 142.6MB. Free memory was 39.3MB in the beginning and 70.0MB in the end (delta: -30.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 1237.42ms. Allocated memory is still 142.6MB. Free memory was 70.0MB in the beginning and 80.1MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.00ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 80.1MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:17:18,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm --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 bdc69826daca7e7f55fe3e8067dcb910efb50c9933511961be6fdaa541a8924b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:17:22,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:17:22,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:17:22,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:17:22,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:17:22,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:17:22,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:17:22,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:17:22,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:17:22,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:17:22,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:17:22,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:17:22,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:17:22,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:17:22,358 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:17:22,358 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:17:22,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:17:22,360 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:17:22,361 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:17:22,361 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:17:22,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:17:22,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:17:22,361 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:17:22,362 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:17:22,362 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:17:22,362 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:22,362 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:17:22,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:17:22,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:17:22,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:17:22,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:17:22,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:17:22,363 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:17:22,363 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:22,363 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:17:22,364 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_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm 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 -> bdc69826daca7e7f55fe3e8067dcb910efb50c9933511961be6fdaa541a8924b [2024-11-13 23:17:22,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:17:22,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:17:22,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:17:22,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:17:22,864 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:17:22,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i Unable to find full path for "g++" [2024-11-13 23:17:25,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:17:26,024 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:17:26,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_67_bad.i [2024-11-13 23:17:26,066 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/data/5dbb3976e/0e307264ed3d438f9a663306cf96d6dc/FLAG8e5e6b996 [2024-11-13 23:17:26,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/data/5dbb3976e/0e307264ed3d438f9a663306cf96d6dc [2024-11-13 23:17:26,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:17:26,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:17:26,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:17:26,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:17:26,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:17:26,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:17:26" (1/1) ... [2024-11-13 23:17:26,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b5442a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:26, skipping insertion in model container [2024-11-13 23:17:26,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:17:26" (1/1) ... [2024-11-13 23:17:26,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:17:27,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:17:27,651 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:17:27,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:17:28,156 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:17:28,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:28 WrapperNode [2024-11-13 23:17:28,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:17:28,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:17:28,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:17:28,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:17:28,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:28" (1/1) ... [2024-11-13 23:17:28,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:28" (1/1) ... [2024-11-13 23:17:28,255 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-11-13 23:17:28,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:17:28,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:17:28,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:17:28,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:17:28,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:28" (1/1) ... [2024-11-13 23:17:28,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:28" (1/1) ... [2024-11-13 23:17:28,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:28" (1/1) ... [2024-11-13 23:17:28,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:28" (1/1) ... [2024-11-13 23:17:28,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:28" (1/1) ... [2024-11-13 23:17:28,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:28" (1/1) ... [2024-11-13 23:17:28,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:28" (1/1) ... [2024-11-13 23:17:28,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:28" (1/1) ... [2024-11-13 23:17:28,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:17:28,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:17:28,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:17:28,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:17:28,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:28" (1/1) ... [2024-11-13 23:17:28,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:17:28,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:17:28,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:17:28,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:17:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:17:28,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:17:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:17:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:17:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:17:28,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:17:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:17:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:17:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:17:28,620 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:17:28,622 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:17:28,880 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-13 23:17:28,880 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:17:29,037 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:17:29,040 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:17:29,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:17:29 BoogieIcfgContainer [2024-11-13 23:17:29,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:17:29,042 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:17:29,043 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:17:29,059 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:17:29,060 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:17:29" (1/1) ... [2024-11-13 23:17:29,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:17:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:17:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:17:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:17:29,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:29,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:29,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:29,141 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:29,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:17:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:29,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:17:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:29,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:17:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:29,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:17:29,948 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:17:29,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:17:29 ImpRootNode [2024-11-13 23:17:29,991 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:17:29,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:17:29,992 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:17:29,992 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:17:29,993 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:17:29" (3/4) ... [2024-11-13 23:17:29,996 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:17:29,998 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:17:30,001 INFO L158 Benchmark]: Toolchain (without parser) took 3896.87ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 32.8MB in the end (delta: 24.5MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-11-13 23:17:30,002 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:30,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2054.11ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.9MB in the end (delta: 6.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 23:17:30,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.17ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 48.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:30,003 INFO L158 Benchmark]: Boogie Preprocessor took 66.68ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:30,003 INFO L158 Benchmark]: RCFGBuilder took 718.21ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 51.0MB in the end (delta: -4.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-11-13 23:17:30,004 INFO L158 Benchmark]: CodeCheck took 948.68ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 33.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:17:30,008 INFO L158 Benchmark]: Witness Printer took 5.85ms. Allocated memory is still 83.9MB. Free memory was 33.2MB in the beginning and 32.8MB in the end (delta: 420.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:30,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. 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_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_sub_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_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2054.11ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.9MB in the end (delta: 6.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.17ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 48.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.68ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 718.21ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 51.0MB in the end (delta: -4.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * CodeCheck took 948.68ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 33.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.85ms. Allocated memory is still 83.9MB. Free memory was 33.2MB in the beginning and 32.8MB in the end (delta: 420.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:17:30,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c380b964-6d68-4081-a21a-ea3282c969aa/bin/ukojak-verify-EEHR8qb7sm/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 Result: UNKNOWN: Overapproximated counterexample