./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_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_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/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_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/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_38da25bd-55e3-4a5c-a277-ae83df6a6376/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 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:19:47,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:19:47,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:19:47,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:19:47,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:19:47,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:19:47,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:19:47,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:19:47,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:19:47,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:19:47,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:19:47,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:19:47,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:19:47,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:19:47,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:19:47,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:19:47,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:19:47,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:19:47,977 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:19:47,978 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:19:47,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:19:47,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:19:47,978 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:19:47,978 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:19:47,978 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:19:47,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:19:47,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:47,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:19:47,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:19:47,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:19:47,979 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:19:47,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:19:47,979 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_38da25bd-55e3-4a5c-a277-ae83df6a6376/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 -> 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa [2024-11-13 22:19:48,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:19:48,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:19:48,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:19:48,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:19:48,274 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:19:48,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i Unable to find full path for "g++" [2024-11-13 22:19:50,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:19:50,830 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:19:50,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-11-13 22:19:50,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/data/3440787a7/8b9128e2294e47a5be706eee58d5f6e3/FLAG7737d7155 [2024-11-13 22:19:50,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/data/3440787a7/8b9128e2294e47a5be706eee58d5f6e3 [2024-11-13 22:19:50,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:19:50,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:19:50,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:50,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:19:50,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:19:50,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:50" (1/1) ... [2024-11-13 22:19:50,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7083fe04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:50, skipping insertion in model container [2024-11-13 22:19:50,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:50" (1/1) ... [2024-11-13 22:19:50,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:19:52,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:52,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:19:52,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:52,358 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:19:52,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:52 WrapperNode [2024-11-13 22:19:52,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:52,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:52,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:19:52,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:19:52,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:52" (1/1) ... [2024-11-13 22:19:52,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:52" (1/1) ... [2024-11-13 22:19:52,419 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-11-13 22:19:52,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:52,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:19:52,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:19:52,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:19:52,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:52" (1/1) ... [2024-11-13 22:19:52,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:52" (1/1) ... [2024-11-13 22:19:52,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:52" (1/1) ... [2024-11-13 22:19:52,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:52" (1/1) ... [2024-11-13 22:19:52,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:52" (1/1) ... [2024-11-13 22:19:52,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:52" (1/1) ... [2024-11-13 22:19:52,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:52" (1/1) ... [2024-11-13 22:19:52,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:52" (1/1) ... [2024-11-13 22:19:52,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:19:52,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:19:52,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:19:52,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:19:52,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:52" (1/1) ... [2024-11-13 22:19:52,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:52,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:19:52,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:19:52,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:19:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:19:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:19:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:19:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:19:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:19:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-13 22:19:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-13 22:19:52,745 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:19:52,747 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:19:52,969 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-13 22:19:52,969 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:19:53,205 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:19:53,205 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:19:53,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:53 BoogieIcfgContainer [2024-11-13 22:19:53,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:19:53,206 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:19:53,206 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:19:53,217 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:19:53,217 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:53" (1/1) ... [2024-11-13 22:19:53,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:19:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:53,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-13 22:19:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-13 22:19:53,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:19:53,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:53,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:19:53,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:19:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:19:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:19:53,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:19:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:19:54,004 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:19:54,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:19:54 ImpRootNode [2024-11-13 22:19:54,045 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:19:54,047 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:19:54,047 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:19:54,047 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:19:54,048 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:53" (3/4) ... [2024-11-13 22:19:54,051 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:19:54,052 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:19:54,056 INFO L158 Benchmark]: Toolchain (without parser) took 3156.06ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 101.0MB in the end (delta: 12.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-13 22:19:54,057 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.2MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:54,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1461.83ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 53.7MB in the end (delta: 60.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 22:19:54,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.43ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 50.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:54,058 INFO L158 Benchmark]: Boogie Preprocessor took 38.46ms. Allocated memory is still 142.6MB. Free memory was 50.9MB in the beginning and 49.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:54,058 INFO L158 Benchmark]: RCFGBuilder took 745.16ms. Allocated memory is still 142.6MB. Free memory was 49.8MB in the beginning and 77.3MB in the end (delta: -27.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 22:19:54,059 INFO L158 Benchmark]: CodeCheck took 838.85ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 101.0MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:54,059 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 101.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:54,063 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: 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 1575, overapproximation of bitwiseOr at line 1562. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_rand_sub_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1567] 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 0.37ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.2MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1461.83ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 53.7MB in the end (delta: 60.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.43ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 50.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.46ms. Allocated memory is still 142.6MB. Free memory was 50.9MB in the beginning and 49.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 745.16ms. Allocated memory is still 142.6MB. Free memory was 49.8MB in the beginning and 77.3MB in the end (delta: -27.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 838.85ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 101.0MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 101.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:19:54,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/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 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_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/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_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/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_38da25bd-55e3-4a5c-a277-ae83df6a6376/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 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:19:56,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:19:56,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:19:56,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:19:56,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:19:56,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:19:56,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:19:56,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:19:56,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:19:56,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:19:56,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:19:56,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:19:56,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:19:56,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:19:56,882 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:19:56,882 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:19:56,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:19:56,882 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:19:56,882 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:19:56,883 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:19:56,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:19:56,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:19:56,883 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:19:56,883 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:19:56,883 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:19:56,883 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:56,883 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:19:56,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:19:56,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:56,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:19:56,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:19:56,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:19:56,884 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:19:56,884 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:56,884 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:19:56,884 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_38da25bd-55e3-4a5c-a277-ae83df6a6376/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 -> 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa [2024-11-13 22:19:57,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:19:57,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:19:57,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:19:57,207 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:19:57,208 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:19:57,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i Unable to find full path for "g++" [2024-11-13 22:19:59,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:19:59,718 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:19:59,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-11-13 22:19:59,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/data/a53274255/74608b47804749e182b04074960ca647/FLAG10b11010c [2024-11-13 22:19:59,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/data/a53274255/74608b47804749e182b04074960ca647 [2024-11-13 22:19:59,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:19:59,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:19:59,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:59,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:19:59,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:19:59,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:59" (1/1) ... [2024-11-13 22:19:59,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@990c01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:59, skipping insertion in model container [2024-11-13 22:19:59,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:59" (1/1) ... [2024-11-13 22:19:59,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:20:00,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:00,887 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:20:00,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:01,201 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:20:01,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:01 WrapperNode [2024-11-13 22:20:01,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:01,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:01,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:20:01,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:20:01,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:01" (1/1) ... [2024-11-13 22:20:01,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:01" (1/1) ... [2024-11-13 22:20:01,282 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-13 22:20:01,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:01,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:20:01,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:20:01,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:20:01,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:01" (1/1) ... [2024-11-13 22:20:01,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:01" (1/1) ... [2024-11-13 22:20:01,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:01" (1/1) ... [2024-11-13 22:20:01,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:01" (1/1) ... [2024-11-13 22:20:01,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:01" (1/1) ... [2024-11-13 22:20:01,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:01" (1/1) ... [2024-11-13 22:20:01,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:01" (1/1) ... [2024-11-13 22:20:01,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:01" (1/1) ... [2024-11-13 22:20:01,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:20:01,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:20:01,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:20:01,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:20:01,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:01" (1/1) ... [2024-11-13 22:20:01,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:01,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:20:01,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:20:01,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:20:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:20:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:20:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:20:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:20:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:20:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-13 22:20:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-13 22:20:01,595 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:20:01,597 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:20:01,763 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 22:20:01,763 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:20:01,835 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:20:01,835 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:20:01,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:01 BoogieIcfgContainer [2024-11-13 22:20:01,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:20:01,836 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:20:01,836 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:20:01,846 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:20:01,846 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:01" (1/1) ... [2024-11-13 22:20:01,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:20:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-13 22:20:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-13 22:20:01,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:20:01,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:01,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:01,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:01,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:01,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:20:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:02,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:20:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:02,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:20:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:02,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:20:02,321 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:20:02,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:20:02 ImpRootNode [2024-11-13 22:20:02,359 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:20:02,361 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:20:02,361 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:20:02,361 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:20:02,362 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:01" (3/4) ... [2024-11-13 22:20:02,365 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:20:02,366 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:20:02,367 INFO L158 Benchmark]: Toolchain (without parser) took 2587.09ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 37.1MB in the end (delta: 21.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-13 22:20:02,369 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:02,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1420.48ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 50.7MB in the end (delta: 7.2MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2024-11-13 22:20:02,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.26ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:02,370 INFO L158 Benchmark]: Boogie Preprocessor took 46.26ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:02,371 INFO L158 Benchmark]: RCFGBuilder took 505.79ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 52.7MB in the end (delta: -6.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-13 22:20:02,371 INFO L158 Benchmark]: CodeCheck took 523.17ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 37.1MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:20:02,371 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 83.9MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:02,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: 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 1575. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_rand_sub_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1567] 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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1420.48ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 50.7MB in the end (delta: 7.2MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.26ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.26ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 505.79ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 52.7MB in the end (delta: -6.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * CodeCheck took 523.17ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 37.1MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 83.9MB. Free memory is still 37.1MB. 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 22:20:02,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38da25bd-55e3-4a5c-a277-ae83df6a6376/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