./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3 --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 1d73e9a72f7576fdac9c73a92135fe49f0417f4813efc3db7b2cf90369a68901 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:09:27,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:09:27,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:09:27,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:09:27,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:09:27,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:09:27,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:09:27,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:09:27,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:09:27,196 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:09:27,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:09:27,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:09:27,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:09:27,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:09:27,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:09:27,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:09:27,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:09:27,199 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:09:27,199 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:09:27,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:09:27,199 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:09:27,199 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:09:27,200 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:09:27,200 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:09:27,200 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:09:27,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:09:27,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:09:27,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:09:27,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:09:27,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:09:27,200 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:09:27,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:09:27,200 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_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3 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 -> 1d73e9a72f7576fdac9c73a92135fe49f0417f4813efc3db7b2cf90369a68901 [2024-11-25 02:09:27,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:09:27,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:09:27,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:09:27,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:09:27,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:09:27,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_08_bad.i [2024-11-25 02:09:30,504 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/data/775351329/44268be64c9a4af1943b8fa662c75d77/FLAG53a3d08e5 [2024-11-25 02:09:31,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:09:31,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_08_bad.i [2024-11-25 02:09:31,066 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/data/775351329/44268be64c9a4af1943b8fa662c75d77/FLAG53a3d08e5 [2024-11-25 02:09:31,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/data/775351329/44268be64c9a4af1943b8fa662c75d77 [2024-11-25 02:09:31,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:09:31,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:09:31,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:09:31,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:09:31,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:09:31,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:09:31" (1/1) ... [2024-11-25 02:09:31,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb07b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:31, skipping insertion in model container [2024-11-25 02:09:31,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:09:31" (1/1) ... [2024-11-25 02:09:31,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:09:32,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:09:32,204 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:09:32,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:09:32,481 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:09:32,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32 WrapperNode [2024-11-25 02:09:32,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:09:32,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:09:32,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:09:32,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:09:32,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,545 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-25 02:09:32,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:09:32,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:09:32,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:09:32,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:09:32,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,561 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:09:32,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:09:32,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:09:32,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:09:32,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:09:32,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:09:32,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:09:32,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:09:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:09:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:09:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:09:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:09:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:09:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-25 02:09:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-25 02:09:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:09:32,792 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:09:32,794 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:09:32,930 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 02:09:32,930 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:09:32,967 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:09:32,967 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:09:32,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:09:32 BoogieIcfgContainer [2024-11-25 02:09:32,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:09:32,968 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:09:32,968 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:09:32,978 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:09:32,978 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:09:32" (1/1) ... [2024-11-25 02:09:32,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:09:33,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:09:33,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-11-25 02:09:33,034 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-25 02:09:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:09:33,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:09:33,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:09:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:09:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:09:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:09:33,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-25 02:09:33,425 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-25 02:09:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:09:33,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:09:33,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:09:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:09:33,490 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:09:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:09:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:09:33,604 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:09:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:09:33,652 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:09:33,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:09:33 ImpRootNode [2024-11-25 02:09:33,692 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:09:33,693 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:09:33,693 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:09:33,693 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:09:33,694 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:09:32" (3/4) ... [2024-11-25 02:09:33,697 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:09:33,698 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:09:33,701 INFO L158 Benchmark]: Toolchain (without parser) took 2603.91ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 58.8MB in the end (delta: 56.5MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-25 02:09:33,701 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:09:33,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1382.93ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 107.8MB in the end (delta: 7.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-25 02:09:33,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.86ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 105.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:09:33,704 INFO L158 Benchmark]: Boogie Preprocessor took 23.06ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.5MB in the end (delta: 900.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:09:33,705 INFO L158 Benchmark]: RCFGBuilder took 397.87ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 90.1MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:09:33,705 INFO L158 Benchmark]: CodeCheck took 724.39ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 58.8MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:09:33,705 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 142.6MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:09:33,709 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 20 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 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, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566, overapproximation of fgets at line 1564. 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); [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_fgets_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() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; 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] [L1564] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] data = atoi(inputBuffer) [L1574] 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; [L1574] 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] [L1574] COND TRUE staticReturnsTrue() [L1577] 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1382.93ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 107.8MB in the end (delta: 7.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.86ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 105.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.06ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.5MB in the end (delta: 900.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 397.87ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 90.1MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 724.39ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 58.8MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 142.6MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:09:33,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/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_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3 --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 1d73e9a72f7576fdac9c73a92135fe49f0417f4813efc3db7b2cf90369a68901 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:09:36,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:09:36,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:09:36,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:09:36,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:09:36,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:09:36,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:09:36,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:09:36,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:09:36,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:09:36,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:09:36,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:09:36,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:09:36,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:09:36,552 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:09:36,552 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:09:36,552 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:09:36,552 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:09:36,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:09:36,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:09:36,553 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:09:36,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:09:36,553 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:09:36,553 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:09:36,553 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:09:36,553 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:09:36,553 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:09:36,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:09:36,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:09:36,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:09:36,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:09:36,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:09:36,554 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:09:36,554 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:09:36,555 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:09:36,555 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_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3 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 -> 1d73e9a72f7576fdac9c73a92135fe49f0417f4813efc3db7b2cf90369a68901 [2024-11-25 02:09:36,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:09:36,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:09:36,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:09:36,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:09:36,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:09:36,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_08_bad.i [2024-11-25 02:09:39,919 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/data/dec23907f/d5c94b00c09540cd967502b70b39ec5c/FLAG9bee3383d [2024-11-25 02:09:40,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:09:40,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_08_bad.i [2024-11-25 02:09:40,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/data/dec23907f/d5c94b00c09540cd967502b70b39ec5c/FLAG9bee3383d [2024-11-25 02:09:40,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/data/dec23907f/d5c94b00c09540cd967502b70b39ec5c [2024-11-25 02:09:40,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:09:40,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:09:40,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:09:40,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:09:40,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:09:40,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:09:40" (1/1) ... [2024-11-25 02:09:40,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc3d452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:40, skipping insertion in model container [2024-11-25 02:09:40,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:09:40" (1/1) ... [2024-11-25 02:09:40,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:09:41,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:09:41,436 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:09:41,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:09:41,709 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:09:41,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41 WrapperNode [2024-11-25 02:09:41,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:09:41,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:09:41,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:09:41,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:09:41,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41" (1/1) ... [2024-11-25 02:09:41,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41" (1/1) ... [2024-11-25 02:09:41,764 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-25 02:09:41,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:09:41,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:09:41,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:09:41,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:09:41,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41" (1/1) ... [2024-11-25 02:09:41,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41" (1/1) ... [2024-11-25 02:09:41,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41" (1/1) ... [2024-11-25 02:09:41,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41" (1/1) ... [2024-11-25 02:09:41,783 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41" (1/1) ... [2024-11-25 02:09:41,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41" (1/1) ... [2024-11-25 02:09:41,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41" (1/1) ... [2024-11-25 02:09:41,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41" (1/1) ... [2024-11-25 02:09:41,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41" (1/1) ... [2024-11-25 02:09:41,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:09:41,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:09:41,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:09:41,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:09:41,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:09:41" (1/1) ... [2024-11-25 02:09:41,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:09:41,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:09:41,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:09:41,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:09:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:09:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:09:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:09:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:09:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:09:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:09:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-25 02:09:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-25 02:09:42,003 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:09:42,004 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:09:42,155 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-25 02:09:42,155 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:09:42,210 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:09:42,211 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:09:42,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:09:42 BoogieIcfgContainer [2024-11-25 02:09:42,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:09:42,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:09:42,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:09:42,224 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:09:42,224 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:09:42" (1/1) ... [2024-11-25 02:09:42,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:09:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:09:42,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-25 02:09:42,292 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-25 02:09:42,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:09:42,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:09:42,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:09:42,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:09:42,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:09:42,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:09:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:09:42,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:09:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:09:42,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:09:42,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:09:42,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:09:42,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:09:42,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:09:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-11-25 02:09:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-25 02:09:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:09:42,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:09:42,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:09:42,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:09:42,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:09:42,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:09:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:09:42,871 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:09:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:09:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:09:43,033 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:09:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:09:43,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:09:43,095 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:09:43,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:09:43 ImpRootNode [2024-11-25 02:09:43,138 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:09:43,138 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:09:43,139 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:09:43,139 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:09:43,141 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:09:42" (3/4) ... [2024-11-25 02:09:43,143 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:09:43,144 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:09:43,147 INFO L158 Benchmark]: Toolchain (without parser) took 2760.31ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 57.6MB in the beginning and 84.8MB in the end (delta: -27.2MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2024-11-25 02:09:43,148 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 107.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:09:43,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1323.99ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 57.5MB in the beginning and 136.9MB in the end (delta: -79.4MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-25 02:09:43,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.59ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 134.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:09:43,152 INFO L158 Benchmark]: Boogie Preprocessor took 27.69ms. Allocated memory is still 167.8MB. Free memory was 134.5MB in the beginning and 132.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:09:43,153 INFO L158 Benchmark]: RCFGBuilder took 417.96ms. Allocated memory is still 167.8MB. Free memory was 132.6MB in the beginning and 115.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:09:43,153 INFO L158 Benchmark]: CodeCheck took 925.78ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 85.3MB in the end (delta: 30.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:09:43,153 INFO L158 Benchmark]: Witness Printer took 6.01ms. Allocated memory is still 167.8MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:09:43,156 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 19 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566, overapproximation of fgets at line 1564. 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); [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_fgets_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() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; 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] [L1564] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] data = atoi(inputBuffer) [L1574] 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; [L1574] 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] [L1574] COND TRUE staticReturnsTrue() [L1577] 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 83.9MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 107.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1323.99ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 57.5MB in the beginning and 136.9MB in the end (delta: -79.4MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.59ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 134.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.69ms. Allocated memory is still 167.8MB. Free memory was 134.5MB in the beginning and 132.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 417.96ms. Allocated memory is still 167.8MB. Free memory was 132.6MB in the beginning and 115.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 925.78ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 85.3MB in the end (delta: 30.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.01ms. Allocated memory is still 167.8MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:09:43,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_288aaf22-59b1-4eb2-9043-1b20d0dae6d2/bin/ukojak-verify-ENZ3QT5qd3/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample