./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_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_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9 --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 94f14f438bebb44e047f740b8b2df0e047ef25e117e8b91642619eff993c71ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:47:49,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:47:49,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:47:49,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:47:49,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:47:49,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:47:49,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:47:49,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:47:49,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:47:49,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:47:49,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:47:49,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:47:49,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:47:49,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:47:49,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:47:49,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:47:49,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:47:49,794 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:47:49,794 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:47:49,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:47:49,795 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:47:49,796 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:47:49,797 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:47:49,797 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:47:49,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:47:49,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:49,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:47:49,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:47:49,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:47:49,800 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:47:49,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:47:49,801 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:47:49,801 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_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94f14f438bebb44e047f740b8b2df0e047ef25e117e8b91642619eff993c71ac [2023-12-02 21:47:50,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:47:50,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:47:50,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:47:50,067 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:47:50,067 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:47:50,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i [2023-12-02 21:47:52,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:47:53,181 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:47:53,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i [2023-12-02 21:47:53,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/data/84909024e/622e1af998d54924bc46a59ad27c5c1a/FLAGa12a75415 [2023-12-02 21:47:53,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/data/84909024e/622e1af998d54924bc46a59ad27c5c1a [2023-12-02 21:47:53,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:47:53,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:47:53,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:53,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:47:53,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:47:53,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:53" (1/1) ... [2023-12-02 21:47:53,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c82ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:53, skipping insertion in model container [2023-12-02 21:47:53,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:53" (1/1) ... [2023-12-02 21:47:53,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:47:54,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:54,054 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:47:54,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:54,245 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:47:54,245 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:47:54,245 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:47:54,245 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:47:54,251 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:47:54,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:54 WrapperNode [2023-12-02 21:47:54,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:54,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:54,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:47:54,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:47:54,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:54" (1/1) ... [2023-12-02 21:47:54,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:54" (1/1) ... [2023-12-02 21:47:54,306 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2023-12-02 21:47:54,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:54,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:47:54,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:47:54,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:47:54,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:54" (1/1) ... [2023-12-02 21:47:54,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:54" (1/1) ... [2023-12-02 21:47:54,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:54" (1/1) ... [2023-12-02 21:47:54,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:54" (1/1) ... [2023-12-02 21:47:54,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:54" (1/1) ... [2023-12-02 21:47:54,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:54" (1/1) ... [2023-12-02 21:47:54,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:54" (1/1) ... [2023-12-02 21:47:54,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:54" (1/1) ... [2023-12-02 21:47:54,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:47:54,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:47:54,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:47:54,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:47:54,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:54" (1/1) ... [2023-12-02 21:47:54,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:54,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:47:54,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:47:54,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:47:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:47:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:47:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:47:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:47:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:47:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:47:54,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:47:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:47:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:47:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:47:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:47:54,560 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:47:54,562 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:47:54,661 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:47:54,695 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:47:54,695 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:47:54,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:54 BoogieIcfgContainer [2023-12-02 21:47:54,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:47:54,698 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:47:54,698 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:47:54,708 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:47:54,709 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:54" (1/1) ... [2023-12-02 21:47:54,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:47:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:54,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:47:54,773 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:47:54,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:47:54,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:54,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:54,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:47:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:55,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:47:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:55,068 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:47:55,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 21:47:55,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:47:55 ImpRootNode [2023-12-02 21:47:55,095 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:47:55,096 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:47:55,096 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:47:55,096 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:47:55,097 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:54" (3/4) ... [2023-12-02 21:47:55,099 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:47:55,100 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:47:55,101 INFO L158 Benchmark]: Toolchain (without parser) took 1879.30ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 111.2MB in the beginning and 127.0MB in the end (delta: -15.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-12-02 21:47:55,101 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory was 71.7MB in the beginning and 71.5MB in the end (delta: 160.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:47:55,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1029.20ms. Allocated memory is still 146.8MB. Free memory was 110.9MB in the beginning and 89.1MB in the end (delta: 21.8MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2023-12-02 21:47:55,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.23ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 86.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:47:55,103 INFO L158 Benchmark]: Boogie Preprocessor took 26.08ms. Allocated memory is still 146.8MB. Free memory was 86.4MB in the beginning and 85.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:47:55,104 INFO L158 Benchmark]: RCFGBuilder took 363.59ms. Allocated memory is still 146.8MB. Free memory was 85.0MB in the beginning and 70.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:47:55,105 INFO L158 Benchmark]: CodeCheck took 396.91ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 70.3MB in the beginning and 128.0MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:47:55,105 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 176.2MB. Free memory was 128.0MB in the beginning and 127.0MB in the end (delta: 908.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:47:55,109 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1575]: 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 1563. 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] int CWE191_Integer_Underflow__int_fscanf_predec_68_badData; [L1549] int CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=0, CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, 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}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=0, CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={38:37}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_predec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] EXPR \read(data) [L1557] CWE191_Integer_Underflow__int_fscanf_predec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_predec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_predec_68_badData; VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, 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] [L1575] --data VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory was 71.7MB in the beginning and 71.5MB in the end (delta: 160.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1029.20ms. Allocated memory is still 146.8MB. Free memory was 110.9MB in the beginning and 89.1MB in the end (delta: 21.8MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.23ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 86.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.08ms. Allocated memory is still 146.8MB. Free memory was 86.4MB in the beginning and 85.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.59ms. Allocated memory is still 146.8MB. Free memory was 85.0MB in the beginning and 70.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 396.91ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 70.3MB in the beginning and 128.0MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 176.2MB. Free memory was 128.0MB in the beginning and 127.0MB in the end (delta: 908.1kB). 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 The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:47:55,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/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_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9 --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 94f14f438bebb44e047f740b8b2df0e047ef25e117e8b91642619eff993c71ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:47:57,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:47:57,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:47:57,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:47:57,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:47:57,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:47:57,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:47:57,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:47:57,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:47:57,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:47:57,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:47:57,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:47:57,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:47:57,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:47:57,245 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:47:57,246 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:47:57,246 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:47:57,247 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:47:57,247 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:47:57,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:47:57,248 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:47:57,250 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:47:57,250 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:47:57,250 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:47:57,250 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:57,251 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:47:57,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:47:57,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:57,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:47:57,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:47:57,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:47:57,253 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:47:57,254 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:57,254 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:47:57,254 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:47:57,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:47:57,255 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_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94f14f438bebb44e047f740b8b2df0e047ef25e117e8b91642619eff993c71ac [2023-12-02 21:47:57,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:47:57,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:47:57,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:47:57,593 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:47:57,594 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:47:57,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i [2023-12-02 21:48:00,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:48:00,719 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:48:00,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_68_bad.i [2023-12-02 21:48:00,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/data/994177d04/a9f6721e73204d50b547a4ee527589bc/FLAGa8c00dff3 [2023-12-02 21:48:00,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/data/994177d04/a9f6721e73204d50b547a4ee527589bc [2023-12-02 21:48:00,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:48:00,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:48:00,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:48:00,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:48:00,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:48:00,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:48:00" (1/1) ... [2023-12-02 21:48:00,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44101a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:00, skipping insertion in model container [2023-12-02 21:48:00,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:48:00" (1/1) ... [2023-12-02 21:48:00,831 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:48:01,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:48:01,684 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:48:01,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:48:01,912 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:01,912 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:01,913 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:01,913 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:01,921 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:48:01,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:01 WrapperNode [2023-12-02 21:48:01,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:48:01,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:48:01,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:48:01,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:48:01,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:01" (1/1) ... [2023-12-02 21:48:01,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:01" (1/1) ... [2023-12-02 21:48:01,979 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 53 [2023-12-02 21:48:01,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:48:01,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:48:01,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:48:01,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:48:01,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:01" (1/1) ... [2023-12-02 21:48:01,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:01" (1/1) ... [2023-12-02 21:48:02,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:01" (1/1) ... [2023-12-02 21:48:02,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:01" (1/1) ... [2023-12-02 21:48:02,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:01" (1/1) ... [2023-12-02 21:48:02,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:01" (1/1) ... [2023-12-02 21:48:02,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:01" (1/1) ... [2023-12-02 21:48:02,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:01" (1/1) ... [2023-12-02 21:48:02,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:48:02,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:48:02,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:48:02,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:48:02,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:01" (1/1) ... [2023-12-02 21:48:02,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:48:02,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:48:02,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:48:02,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:48:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:48:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:48:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:48:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:48:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:48:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:48:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:48:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:48:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:48:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:48:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:48:02,250 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:48:02,252 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:48:02,392 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:48:02,436 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:48:02,436 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:48:02,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:02 BoogieIcfgContainer [2023-12-02 21:48:02,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:48:02,439 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:48:02,439 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:48:02,449 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:48:02,449 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:02" (1/1) ... [2023-12-02 21:48:02,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:48:02,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:48:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:48:02,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:48:02,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:02,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:02,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:02,520 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:02,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:48:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:48:02,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:48:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:48:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:48:02,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:48:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:48:02,951 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:48:02,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:48:02,961 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:48:02,979 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 21:48:02,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:48:02 ImpRootNode [2023-12-02 21:48:02,987 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:48:02,988 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:48:02,988 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:48:02,988 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:48:02,989 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:02" (3/4) ... [2023-12-02 21:48:02,991 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:48:02,992 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:48:02,992 INFO L158 Benchmark]: Toolchain (without parser) took 2229.94ms. Allocated memory is still 107.0MB. Free memory was 79.9MB in the beginning and 43.8MB in the end (delta: 36.1MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-12-02 21:48:02,993 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:48:02,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1157.93ms. Allocated memory is still 107.0MB. Free memory was 79.7MB in the beginning and 39.1MB in the end (delta: 40.5MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-12-02 21:48:02,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.69ms. Allocated memory is still 107.0MB. Free memory was 39.1MB in the beginning and 35.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:48:02,995 INFO L158 Benchmark]: Boogie Preprocessor took 44.66ms. Allocated memory is still 107.0MB. Free memory was 35.8MB in the beginning and 78.8MB in the end (delta: -43.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-12-02 21:48:02,995 INFO L158 Benchmark]: RCFGBuilder took 412.97ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 62.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:48:02,996 INFO L158 Benchmark]: CodeCheck took 548.73ms. Allocated memory is still 107.0MB. Free memory was 62.1MB in the beginning and 44.5MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 21:48:02,996 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 107.0MB. Free memory was 44.5MB in the beginning and 43.8MB in the end (delta: 639.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:48:03,000 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1575]: 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 1563. 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); [L1549] int CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, 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}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_predec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] EXPR \read(data) [L1557] CWE191_Integer_Underflow__int_fscanf_predec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_predec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_predec_68_badData; VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, 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] [L1575] --data VAL [CWE191_Integer_Underflow__int_fscanf_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_predec_68_goodG2BData=0, 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1157.93ms. Allocated memory is still 107.0MB. Free memory was 79.7MB in the beginning and 39.1MB in the end (delta: 40.5MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.69ms. Allocated memory is still 107.0MB. Free memory was 39.1MB in the beginning and 35.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.66ms. Allocated memory is still 107.0MB. Free memory was 35.8MB in the beginning and 78.8MB in the end (delta: -43.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * RCFGBuilder took 412.97ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 62.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 548.73ms. Allocated memory is still 107.0MB. Free memory was 62.1MB in the beginning and 44.5MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.63ms. Allocated memory is still 107.0MB. Free memory was 44.5MB in the beginning and 43.8MB in the end (delta: 639.1kB). 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~nondet100 - 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 [2023-12-02 21:48:03,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ccb898-f144-4024-8c8d-fa6830793132/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample