./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi --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 fdea72b06005c291c8d2e11a19eeab045272e7cc3a575aad24aad2018bf4a542 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:40,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:40,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:58:40,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:40,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:40,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:40,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:40,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:40,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:40,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:40,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:40,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:40,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:40,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:40,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:40,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:40,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:40,511 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:58:40,512 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:40,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:40,513 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:40,514 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:40,514 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:40,514 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:40,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:40,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:40,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:40,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:40,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:40,517 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:40,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:40,518 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:40,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdea72b06005c291c8d2e11a19eeab045272e7cc3a575aad24aad2018bf4a542 [2023-11-24 22:58:40,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:40,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:40,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:40,906 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:40,907 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:40,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i [2023-11-24 22:58:43,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:44,507 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:44,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i [2023-11-24 22:58:44,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/data/7b7b8b625/801c36bed678439da3c422d4834c1629/FLAG310a0d0d6 [2023-11-24 22:58:44,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/data/7b7b8b625/801c36bed678439da3c422d4834c1629 [2023-11-24 22:58:44,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:44,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:44,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:44,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:44,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:44,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4813bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44, skipping insertion in model container [2023-11-24 22:58:44,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:45,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:45,569 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:45,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:45,777 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:45,777 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:45,777 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:45,778 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:45,786 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:45,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:45 WrapperNode [2023-11-24 22:58:45,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:45,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:45,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:45,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:45,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:45" (1/1) ... [2023-11-24 22:58:45,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:45" (1/1) ... [2023-11-24 22:58:45,859 INFO L138 Inliner]: procedures = 498, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-24 22:58:45,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:45,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:45,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:45,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:45,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:45" (1/1) ... [2023-11-24 22:58:45,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:45" (1/1) ... [2023-11-24 22:58:45,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:45" (1/1) ... [2023-11-24 22:58:45,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:45" (1/1) ... [2023-11-24 22:58:45,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:45" (1/1) ... [2023-11-24 22:58:45,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:45" (1/1) ... [2023-11-24 22:58:45,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:45" (1/1) ... [2023-11-24 22:58:45,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:45" (1/1) ... [2023-11-24 22:58:45,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:45,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:45,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:45,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:45,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:45" (1/1) ... [2023-11-24 22:58:45,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:46,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:46,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:46,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:58:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:58:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:58:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:58:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:58:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:58:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:58:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:46,206 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:46,208 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:46,345 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:46,406 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:46,407 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:58:46,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:46 BoogieIcfgContainer [2023-11-24 22:58:46,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:46,410 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:46,410 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:46,421 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:46,421 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:46" (1/1) ... [2023-11-24 22:58:46,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:58:46,488 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:58:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:58:46,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:46,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:46,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:46,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:46,831 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:58:46,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-11-24 22:58:46,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 22:58:46,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 22:58:46,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:58:46 ImpRootNode [2023-11-24 22:58:46,881 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:58:46,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:58:46,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:58:46,884 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:58:46,885 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:46" (3/4) ... [2023-11-24 22:58:46,887 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:58:46,888 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:58:46,889 INFO L158 Benchmark]: Toolchain (without parser) took 2311.61ms. Allocated memory is still 186.6MB. Free memory was 156.0MB in the beginning and 119.4MB in the end (delta: 36.6MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-11-24 22:58:46,890 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:46,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1207.76ms. Allocated memory is still 186.6MB. Free memory was 156.0MB in the beginning and 96.3MB in the end (delta: 59.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-24 22:58:46,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.54ms. Allocated memory is still 186.6MB. Free memory was 96.3MB in the beginning and 93.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:46,891 INFO L158 Benchmark]: Boogie Preprocessor took 30.32ms. Allocated memory is still 186.6MB. Free memory was 93.2MB in the beginning and 92.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:46,892 INFO L158 Benchmark]: RCFGBuilder took 517.72ms. Allocated memory is still 186.6MB. Free memory was 91.2MB in the beginning and 140.4MB in the end (delta: -49.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:58:46,893 INFO L158 Benchmark]: CodeCheck took 471.37ms. Allocated memory is still 186.6MB. Free memory was 139.3MB in the beginning and 120.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:58:46,894 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 186.6MB. Free memory was 120.5MB in the beginning and 119.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:46,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] CALL 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, line={2:0}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_predec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1558] COND TRUE \read(staticTrue) [L1561] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={283:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={283:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1207.76ms. Allocated memory is still 186.6MB. Free memory was 156.0MB in the beginning and 96.3MB in the end (delta: 59.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.54ms. Allocated memory is still 186.6MB. Free memory was 96.3MB in the beginning and 93.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.32ms. Allocated memory is still 186.6MB. Free memory was 93.2MB in the beginning and 92.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 517.72ms. Allocated memory is still 186.6MB. Free memory was 91.2MB in the beginning and 140.4MB in the end (delta: -49.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 471.37ms. Allocated memory is still 186.6MB. Free memory was 139.3MB in the beginning and 120.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 186.6MB. Free memory was 120.5MB in the beginning and 119.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:58:46,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi --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 fdea72b06005c291c8d2e11a19eeab045272e7cc3a575aad24aad2018bf4a542 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:49,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:49,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:58:49,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:49,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:49,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:49,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:49,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:49,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:49,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:49,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:49,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:49,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:49,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:49,628 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:58:49,629 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:58:49,629 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:58:49,629 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:58:49,630 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:49,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:49,631 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:49,632 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:49,632 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:49,633 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:49,633 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:49,634 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:58:49,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:49,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:49,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:49,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:49,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:49,637 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:58:49,638 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:49,638 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:49,639 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:58:49,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:58:49,639 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdea72b06005c291c8d2e11a19eeab045272e7cc3a575aad24aad2018bf4a542 [2023-11-24 22:58:50,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:50,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:50,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:50,095 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:50,096 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:50,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i [2023-11-24 22:58:53,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:53,744 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:53,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_05_bad.i [2023-11-24 22:58:53,779 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/data/c725bd961/40827b14eb444ef0be929aa80376066a/FLAG4b2de5c38 [2023-11-24 22:58:53,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/data/c725bd961/40827b14eb444ef0be929aa80376066a [2023-11-24 22:58:53,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:53,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:53,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:53,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:53,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:53,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75142856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:53, skipping insertion in model container [2023-11-24 22:58:53,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:53" (1/1) ... [2023-11-24 22:58:53,899 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:54,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:54,925 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:55,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:55,221 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:55,222 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:55,222 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:55,222 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:55,230 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:55,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55 WrapperNode [2023-11-24 22:58:55,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:55,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:55,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:55,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:55,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,324 INFO L138 Inliner]: procedures = 503, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-11-24 22:58:55,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:55,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:55,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:55,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:55,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:55,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:55,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:55,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:55,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:55,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:55,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:55,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:55,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:58:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:58:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:58:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:58:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:58:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:58:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:58:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:58:55,711 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:55,714 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:55,922 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:55,985 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:55,985 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:58:55,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:55 BoogieIcfgContainer [2023-11-24 22:58:55,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:55,988 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:55,988 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:55,998 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:55,999 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:55" (1/1) ... [2023-11-24 22:58:56,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:56,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:58:56,069 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:58:56,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:58:56,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:56,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:56,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:56,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:56,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:58:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:56,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:56,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:56,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:58:56,710 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:58:56,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 22:58:56,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 22:58:56,744 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 22:58:56,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:58:56 ImpRootNode [2023-11-24 22:58:56,750 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:58:56,752 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:58:56,752 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:58:56,753 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:58:56,753 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:55" (3/4) ... [2023-11-24 22:58:56,755 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:58:56,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:58:56,758 INFO L158 Benchmark]: Toolchain (without parser) took 2950.36ms. Allocated memory is still 100.7MB. Free memory was 78.4MB in the beginning and 50.7MB in the end (delta: 27.7MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-24 22:58:56,758 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:56,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1419.34ms. Allocated memory is still 100.7MB. Free memory was 78.2MB in the beginning and 62.2MB in the end (delta: 15.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-11-24 22:58:56,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.27ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 59.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:58:56,761 INFO L158 Benchmark]: Boogie Preprocessor took 37.93ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 57.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:56,762 INFO L158 Benchmark]: RCFGBuilder took 622.96ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 69.6MB in the end (delta: -12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:58:56,763 INFO L158 Benchmark]: CodeCheck took 762.54ms. Allocated memory is still 100.7MB. Free memory was 69.6MB in the beginning and 51.3MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:58:56,764 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 100.7MB. Free memory was 51.3MB in the beginning and 50.7MB in the end (delta: 550.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:56,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] CALL 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, line={2:0}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_predec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1558] COND TRUE \read(staticTrue) [L1561] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1419.34ms. Allocated memory is still 100.7MB. Free memory was 78.2MB in the beginning and 62.2MB in the end (delta: 15.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.27ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 59.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.93ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 57.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 622.96ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 69.6MB in the end (delta: -12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 762.54ms. Allocated memory is still 100.7MB. Free memory was 69.6MB in the beginning and 51.3MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 100.7MB. Free memory was 51.3MB in the beginning and 50.7MB in the end (delta: 550.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:58:56,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b306f-587d-4403-9caf-28001e4918e6/bin/ukojak-verify-afCqCEvfdi/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