./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_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_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/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_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/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_e6080fed-2fb6-4b43-8716-b21482719fc6/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 488900364aeb7144f2ff9e9661db1f041fd2181d2115cca1b9f99fed94287fbb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:15:52,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:15:52,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:15:52,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:15:52,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:15:52,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:15:52,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:15:52,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:15:52,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:15:52,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:15:52,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:15:52,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:15:52,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:15:52,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:15:52,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:15:52,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:15:52,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:15:52,862 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:15:52,863 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:15:52,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:15:52,864 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:15:52,869 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:15:52,869 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:15:52,869 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:15:52,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:15:52,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:15:52,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:15:52,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:15:52,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:15:52,872 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:15:52,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:15:52,872 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:15:52,873 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_e6080fed-2fb6-4b43-8716-b21482719fc6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 488900364aeb7144f2ff9e9661db1f041fd2181d2115cca1b9f99fed94287fbb [2023-12-03 02:15:53,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:15:53,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:15:53,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:15:53,130 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:15:53,131 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:15:53,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i [2023-12-03 02:15:55,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:15:56,161 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:15:56,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i [2023-12-03 02:15:56,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/data/ec941811a/2f42f73b005343a2800bee49dfed465a/FLAG00ca41e09 [2023-12-03 02:15:56,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/data/ec941811a/2f42f73b005343a2800bee49dfed465a [2023-12-03 02:15:56,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:15:56,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:15:56,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:15:56,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:15:56,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:15:56,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:15:56" (1/1) ... [2023-12-03 02:15:56,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c92c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:56, skipping insertion in model container [2023-12-03 02:15:56,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:15:56" (1/1) ... [2023-12-03 02:15:56,271 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:15:56,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:15:56,983 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:15:57,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:15:57,245 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:15:57,246 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:15:57,246 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:15:57,246 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:15:57,254 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:15:57,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:57 WrapperNode [2023-12-03 02:15:57,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:15:57,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:15:57,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:15:57,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:15:57,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:57" (1/1) ... [2023-12-03 02:15:57,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:57" (1/1) ... [2023-12-03 02:15:57,312 INFO L138 Inliner]: procedures = 498, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-12-03 02:15:57,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:15:57,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:15:57,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:15:57,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:15:57,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:57" (1/1) ... [2023-12-03 02:15:57,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:57" (1/1) ... [2023-12-03 02:15:57,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:57" (1/1) ... [2023-12-03 02:15:57,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:57" (1/1) ... [2023-12-03 02:15:57,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:57" (1/1) ... [2023-12-03 02:15:57,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:57" (1/1) ... [2023-12-03 02:15:57,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:57" (1/1) ... [2023-12-03 02:15:57,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:57" (1/1) ... [2023-12-03 02:15:57,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:15:57,342 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:15:57,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:15:57,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:15:57,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:15:57" (1/1) ... [2023-12-03 02:15:57,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:15:57,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:15:57,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:15:57,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:15:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:15:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:15:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:15:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:15:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:15:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:15:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:15:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:15:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:15:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:15:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:15:57,554 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:15:57,556 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:15:57,662 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:15:57,704 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:15:57,705 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:15:57,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:15:57 BoogieIcfgContainer [2023-12-03 02:15:57,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:15:57,707 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:15:57,707 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:15:57,716 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:15:57,716 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:15:57" (1/1) ... [2023-12-03 02:15:57,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:15:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 02:15:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:15:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:15:57,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:57,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:15:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:15:57,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:15:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:15:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:15:58,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:15:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:15:58,037 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:15:58,058 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-12-03 02:15:58,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-03 02:15:58,061 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-03 02:15:58,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:15:58 ImpRootNode [2023-12-03 02:15:58,064 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:15:58,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:15:58,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:15:58,065 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:15:58,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:15:57" (3/4) ... [2023-12-03 02:15:58,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:15:58,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:15:58,069 INFO L158 Benchmark]: Toolchain (without parser) took 1865.58ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 99.7MB in the beginning and 70.1MB in the end (delta: 29.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2023-12-03 02:15:58,069 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:15:58,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1050.07ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 99.7MB in the beginning and 111.0MB in the end (delta: -11.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-12-03 02:15:58,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.86ms. Allocated memory is still 178.3MB. Free memory was 111.0MB in the beginning and 107.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:15:58,071 INFO L158 Benchmark]: Boogie Preprocessor took 27.27ms. Allocated memory is still 178.3MB. Free memory was 107.9MB in the beginning and 106.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:15:58,072 INFO L158 Benchmark]: RCFGBuilder took 364.89ms. Allocated memory is still 178.3MB. Free memory was 105.8MB in the beginning and 91.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:15:58,072 INFO L158 Benchmark]: CodeCheck took 357.02ms. Allocated memory is still 178.3MB. Free memory was 91.1MB in the beginning and 71.2MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:15:58,073 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 178.3MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:15:58,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_predec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1558] COND TRUE \read(STATIC_CONST_TRUE) [L1561] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data={11799:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data={11799:0}, 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 98.6MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1050.07ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 99.7MB in the beginning and 111.0MB in the end (delta: -11.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.86ms. Allocated memory is still 178.3MB. Free memory was 111.0MB in the beginning and 107.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.27ms. Allocated memory is still 178.3MB. Free memory was 107.9MB in the beginning and 106.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.89ms. Allocated memory is still 178.3MB. Free memory was 105.8MB in the beginning and 91.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 357.02ms. Allocated memory is still 178.3MB. Free memory was 91.1MB in the beginning and 71.2MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 178.3MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:15:58,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/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 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_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/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_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/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_e6080fed-2fb6-4b43-8716-b21482719fc6/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 488900364aeb7144f2ff9e9661db1f041fd2181d2115cca1b9f99fed94287fbb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:15:59,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:16:00,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:16:00,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:16:00,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:16:00,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:16:00,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:16:00,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:16:00,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:16:00,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:16:00,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:16:00,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:16:00,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:16:00,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:16:00,115 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:16:00,116 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:16:00,116 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:16:00,117 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:16:00,117 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:16:00,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:16:00,118 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:16:00,121 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:16:00,122 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:16:00,122 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:16:00,123 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:00,123 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:16:00,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:16:00,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:16:00,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:16:00,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:16:00,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:16:00,126 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:16:00,126 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:00,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:16:00,127 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:16:00,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:16:00,127 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_e6080fed-2fb6-4b43-8716-b21482719fc6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 488900364aeb7144f2ff9e9661db1f041fd2181d2115cca1b9f99fed94287fbb [2023-12-03 02:16:00,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:16:00,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:16:00,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:16:00,425 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:16:00,426 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:16:00,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i [2023-12-03 02:16:03,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:16:03,507 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:16:03,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i [2023-12-03 02:16:03,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/data/6281fbc53/628055404e17404cabaf6645dfbef392/FLAGafb9e2bea [2023-12-03 02:16:03,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/data/6281fbc53/628055404e17404cabaf6645dfbef392 [2023-12-03 02:16:03,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:16:03,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:16:03,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:16:03,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:16:03,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:16:03,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:16:03" (1/1) ... [2023-12-03 02:16:03,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50633320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:03, skipping insertion in model container [2023-12-03 02:16:03,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:16:03" (1/1) ... [2023-12-03 02:16:03,631 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:16:04,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:16:04,427 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:16:04,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:16:04,651 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:16:04,652 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:16:04,652 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:16:04,652 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:16:04,673 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:16:04,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:04 WrapperNode [2023-12-03 02:16:04,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:16:04,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:16:04,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:16:04,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:16:04,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:04" (1/1) ... [2023-12-03 02:16:04,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:04" (1/1) ... [2023-12-03 02:16:04,731 INFO L138 Inliner]: procedures = 503, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-12-03 02:16:04,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:16:04,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:16:04,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:16:04,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:16:04,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:04" (1/1) ... [2023-12-03 02:16:04,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:04" (1/1) ... [2023-12-03 02:16:04,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:04" (1/1) ... [2023-12-03 02:16:04,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:04" (1/1) ... [2023-12-03 02:16:04,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:04" (1/1) ... [2023-12-03 02:16:04,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:04" (1/1) ... [2023-12-03 02:16:04,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:04" (1/1) ... [2023-12-03 02:16:04,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:04" (1/1) ... [2023-12-03 02:16:04,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:16:04,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:16:04,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:16:04,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:16:04,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:16:04" (1/1) ... [2023-12-03 02:16:04,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:16:04,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:16:04,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:16:04,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:16:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:16:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:16:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:16:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:16:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:16:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:16:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:16:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:16:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:16:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:16:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:16:04,980 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:16:04,983 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:16:05,120 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:16:05,167 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:16:05,167 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:16:05,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:16:05 BoogieIcfgContainer [2023-12-03 02:16:05,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:16:05,170 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:16:05,170 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:16:05,180 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:16:05,180 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:16:05" (1/1) ... [2023-12-03 02:16:05,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:16:05,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 02:16:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:16:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:16:05,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:05,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:05,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:05,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:05,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:16:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:16:05,429 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:16:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:16:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:16:05,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:16:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:16:05,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-12-03 02:16:05,684 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:16:05,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 02:16:05,710 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-03 02:16:05,710 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-03 02:16:05,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:16:05 ImpRootNode [2023-12-03 02:16:05,715 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:16:05,715 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:16:05,715 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:16:05,716 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:16:05,716 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:16:05" (3/4) ... [2023-12-03 02:16:05,718 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:16:05,719 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:16:05,721 INFO L158 Benchmark]: Toolchain (without parser) took 2170.72ms. Allocated memory is still 111.1MB. Free memory was 83.8MB in the beginning and 79.5MB in the end (delta: 4.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-12-03 02:16:05,721 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 82.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:16:05,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1122.52ms. Allocated memory is still 111.1MB. Free memory was 83.5MB in the beginning and 84.5MB in the end (delta: -1.0MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2023-12-03 02:16:05,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.50ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 81.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:16:05,724 INFO L158 Benchmark]: Boogie Preprocessor took 37.49ms. Allocated memory is still 111.1MB. Free memory was 81.2MB in the beginning and 79.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:16:05,724 INFO L158 Benchmark]: RCFGBuilder took 398.61ms. Allocated memory is still 111.1MB. Free memory was 79.1MB in the beginning and 61.5MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:16:05,725 INFO L158 Benchmark]: CodeCheck took 544.84ms. Allocated memory is still 111.1MB. Free memory was 61.5MB in the beginning and 80.2MB in the end (delta: -18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:16:05,726 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 111.1MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:16:05,729 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_predec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1558] COND TRUE \read(STATIC_CONST_TRUE) [L1561] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 82.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1122.52ms. Allocated memory is still 111.1MB. Free memory was 83.5MB in the beginning and 84.5MB in the end (delta: -1.0MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.50ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 81.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.49ms. Allocated memory is still 111.1MB. Free memory was 81.2MB in the beginning and 79.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.61ms. Allocated memory is still 111.1MB. Free memory was 79.1MB in the beginning and 61.5MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 544.84ms. Allocated memory is still 111.1MB. Free memory was 61.5MB in the beginning and 80.2MB in the end (delta: -18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 111.1MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:16:05,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6080fed-2fb6-4b43-8716-b21482719fc6/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