./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/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_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/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_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/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 461796fa5ac9511b9a78d0716ad67a57772b478da0c8bae92c1903388a02f348 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:37:35,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:37:35,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:37:35,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:37:35,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:37:35,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:37:35,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:37:35,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:37:35,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:37:35,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:37:35,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:37:35,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:37:35,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:37:35,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:37:35,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:37:35,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:37:35,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:37:35,898 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:37:35,899 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:37:35,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:37:35,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:37:35,900 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:37:35,901 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:37:35,901 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:37:35,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:37:35,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:35,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:37:35,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:37:35,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:37:35,904 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:37:35,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:37:35,904 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:37:35,905 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_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461796fa5ac9511b9a78d0716ad67a57772b478da0c8bae92c1903388a02f348 [2023-12-02 21:37:36,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:37:36,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:37:36,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:37:36,139 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:37:36,139 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:37:36,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i [2023-12-02 21:37:38,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:37:39,210 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:37:39,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i [2023-12-02 21:37:39,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/data/8d35c8364/8fddc487eaf7491abf6358b77402bcf5/FLAGd60a9d7de [2023-12-02 21:37:39,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/data/8d35c8364/8fddc487eaf7491abf6358b77402bcf5 [2023-12-02 21:37:39,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:37:39,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:37:39,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:39,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:37:39,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:37:39,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:39" (1/1) ... [2023-12-02 21:37:39,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd509de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:39, skipping insertion in model container [2023-12-02 21:37:39,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:39" (1/1) ... [2023-12-02 21:37:39,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:37:40,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:40,112 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:37:40,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:40,328 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:37:40,328 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:37:40,328 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:37:40,328 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:37:40,336 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:37:40,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40 WrapperNode [2023-12-02 21:37:40,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:40,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:40,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:37:40,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:37:40,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,393 INFO L138 Inliner]: procedures = 498, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-12-02 21:37:40,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:40,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:37:40,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:37:40,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:37:40,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:37:40,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:37:40,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:37:40,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:37:40,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:40,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:37:40,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:37:40,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:37:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:37:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:37:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:37:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:37:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:37:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:37:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:37:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:37:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:37:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:37:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:37:40,647 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:37:40,648 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:37:40,734 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:37:40,771 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:37:40,771 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:37:40,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:40 BoogieIcfgContainer [2023-12-02 21:37:40,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:37:40,774 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:37:40,774 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:37:40,781 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:37:40,782 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:37:40,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:40,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:37:40,837 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:37:40,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:37:40,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:40,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:37:40,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:37:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:37:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:37:41,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:37:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:37:41,096 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:37:41,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 21:37:41,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:37:41 ImpRootNode [2023-12-02 21:37:41,121 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:37:41,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:37:41,122 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:37:41,122 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:37:41,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:40" (3/4) ... [2023-12-02 21:37:41,125 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:37:41,126 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:37:41,127 INFO L158 Benchmark]: Toolchain (without parser) took 1873.39ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 57.2MB in the end (delta: 45.6MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-12-02 21:37:41,127 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:37:41,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1081.98ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 94.2MB in the end (delta: 8.1MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2023-12-02 21:37:41,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.85ms. Allocated memory is still 151.0MB. Free memory was 94.2MB in the beginning and 91.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:37:41,129 INFO L158 Benchmark]: Boogie Preprocessor took 27.15ms. Allocated memory is still 151.0MB. Free memory was 91.4MB in the beginning and 90.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:37:41,130 INFO L158 Benchmark]: RCFGBuilder took 351.49ms. Allocated memory is still 151.0MB. Free memory was 90.0MB in the beginning and 76.1MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:37:41,130 INFO L158 Benchmark]: CodeCheck took 346.93ms. Allocated memory is still 151.0MB. Free memory was 76.1MB in the beginning and 57.7MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 21:37:41,131 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 151.0MB. Free memory was 57.7MB in the beginning and 57.2MB in the end (delta: 566.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:37:41,134 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1565] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={41:40}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR \read(data) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={8367:0}, dataCopy=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={8367:0}, dataCopy=-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 0.26ms. Allocated memory is still 107.0MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1081.98ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 94.2MB in the end (delta: 8.1MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.85ms. Allocated memory is still 151.0MB. Free memory was 94.2MB in the beginning and 91.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.15ms. Allocated memory is still 151.0MB. Free memory was 91.4MB in the beginning and 90.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.49ms. Allocated memory is still 151.0MB. Free memory was 90.0MB in the beginning and 76.1MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 346.93ms. Allocated memory is still 151.0MB. Free memory was 76.1MB in the beginning and 57.7MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 151.0MB. Free memory was 57.7MB in the beginning and 57.2MB in the end (delta: 566.1kB). 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 21:37:41,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/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_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/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_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/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 461796fa5ac9511b9a78d0716ad67a57772b478da0c8bae92c1903388a02f348 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:37:43,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:37:43,141 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:37:43,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:37:43,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:37:43,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:37:43,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:37:43,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:37:43,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:37:43,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:37:43,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:37:43,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:37:43,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:37:43,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:37:43,178 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:37:43,178 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:37:43,179 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:37:43,179 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:37:43,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:37:43,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:37:43,181 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:37:43,183 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:37:43,183 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:37:43,184 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:37:43,184 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:43,184 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:37:43,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:37:43,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:43,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:37:43,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:37:43,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:37:43,187 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:37:43,187 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:43,187 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:37:43,188 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:37:43,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:37:43,188 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_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461796fa5ac9511b9a78d0716ad67a57772b478da0c8bae92c1903388a02f348 [2023-12-02 21:37:43,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:37:43,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:37:43,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:37:43,502 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:37:43,502 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:37:43,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i [2023-12-02 21:37:46,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:37:46,657 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:37:46,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i [2023-12-02 21:37:46,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/data/e9b06c74b/1e1277827c00446492b7c7f7cccca6cd/FLAG2c9d65124 [2023-12-02 21:37:46,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/data/e9b06c74b/1e1277827c00446492b7c7f7cccca6cd [2023-12-02 21:37:46,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:37:46,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:37:46,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:46,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:37:46,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:37:46,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:46" (1/1) ... [2023-12-02 21:37:46,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7181e0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:46, skipping insertion in model container [2023-12-02 21:37:46,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:46" (1/1) ... [2023-12-02 21:37:46,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:37:47,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:47,555 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:37:47,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:47,788 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:37:47,788 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:37:47,788 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:37:47,789 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:37:47,796 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:37:47,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47 WrapperNode [2023-12-02 21:37:47,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:47,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:47,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:37:47,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:37:47,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,854 INFO L138 Inliner]: procedures = 503, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2023-12-02 21:37:47,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:47,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:37:47,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:37:47,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:37:47,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:37:47,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:37:47,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:37:47,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:37:47,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:47,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:37:47,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:37:47,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:37:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:37:47,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:37:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:37:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:37:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:37:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:37:47,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:37:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:37:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:37:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:37:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:37:48,108 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:37:48,109 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:37:48,246 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:37:48,286 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:37:48,287 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:37:48,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:48 BoogieIcfgContainer [2023-12-02 21:37:48,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:37:48,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:37:48,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:37:48,299 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:37:48,299 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:48" (1/1) ... [2023-12-02 21:37:48,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:37:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:48,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:37:48,362 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:37:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:37:48,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:48,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:48,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:48,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:48,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:37:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:37:48,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:37:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:37:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:37:48,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:37:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:37:48,819 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:37:48,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:37:48,822 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:37:48,843 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 21:37:48,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:37:48 ImpRootNode [2023-12-02 21:37:48,849 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:37:48,850 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:37:48,850 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:37:48,850 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:37:48,851 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:48" (3/4) ... [2023-12-02 21:37:48,853 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:37:48,854 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:37:48,855 INFO L158 Benchmark]: Toolchain (without parser) took 2159.69ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 58.7MB in the end (delta: 23.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-12-02 21:37:48,855 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:37:48,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1100.45ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 67.7MB in the end (delta: 13.9MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-12-02 21:37:48,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.10ms. Allocated memory is still 109.1MB. Free memory was 67.7MB in the beginning and 64.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:37:48,857 INFO L158 Benchmark]: Boogie Preprocessor took 35.39ms. Allocated memory is still 109.1MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:37:48,858 INFO L158 Benchmark]: RCFGBuilder took 397.76ms. Allocated memory is still 109.1MB. Free memory was 62.6MB in the beginning and 76.3MB in the end (delta: -13.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-12-02 21:37:48,858 INFO L158 Benchmark]: CodeCheck took 559.70ms. Allocated memory is still 109.1MB. Free memory was 76.3MB in the beginning and 59.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:37:48,859 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 109.1MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:37:48,862 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1565] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR \read(data) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={7:0}, dataCopy=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={7:0}, dataCopy=-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 0.27ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1100.45ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 67.7MB in the end (delta: 13.9MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.10ms. Allocated memory is still 109.1MB. Free memory was 67.7MB in the beginning and 64.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.39ms. Allocated memory is still 109.1MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.76ms. Allocated memory is still 109.1MB. Free memory was 62.6MB in the beginning and 76.3MB in the end (delta: -13.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * CodeCheck took 559.70ms. Allocated memory is still 109.1MB. Free memory was 76.3MB in the beginning and 59.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 109.1MB. Free memory is still 58.7MB. 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 21:37:48,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1aebf17-75be-4cc7-a6f0-00a4e24c6580/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