./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_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_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/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_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/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_627327c0-13f0-4f5c-b5b2-26d74b377ef6/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 bcc3cf8ee9a270eb9af479438043748341b1a2a93134a9b98a84428f51be0f65 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:04:15,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:04:15,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:04:15,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:04:15,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:04:15,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:04:15,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:04:15,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:04:15,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:04:15,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:04:15,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:04:15,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:04:15,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:04:15,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:04:15,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:04:15,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:04:15,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:04:15,314 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:04:15,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:04:15,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:04:15,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:04:15,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:04:15,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:04:15,317 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:04:15,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:04:15,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:04:15,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:04:15,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:04:15,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:04:15,320 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:04:15,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:04:15,321 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:04:15,321 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_627327c0-13f0-4f5c-b5b2-26d74b377ef6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcc3cf8ee9a270eb9af479438043748341b1a2a93134a9b98a84428f51be0f65 [2023-12-03 03:04:15,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:04:15,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:04:15,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:04:15,541 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:04:15,542 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:04:15,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i [2023-12-03 03:04:18,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:04:18,626 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:04:18,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i [2023-12-03 03:04:18,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/data/f3d6d8eb9/bb619abe10764910b4eddbc133517357/FLAG12db467f9 [2023-12-03 03:04:18,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/data/f3d6d8eb9/bb619abe10764910b4eddbc133517357 [2023-12-03 03:04:18,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:04:18,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:04:18,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:04:18,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:04:18,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:04:18,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:04:18" (1/1) ... [2023-12-03 03:04:18,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee88062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:18, skipping insertion in model container [2023-12-03 03:04:18,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:04:18" (1/1) ... [2023-12-03 03:04:18,747 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:04:19,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:04:19,522 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:04:19,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:04:19,760 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:04:19,761 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:04:19,761 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:04:19,761 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:04:19,769 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:04:19,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:19 WrapperNode [2023-12-03 03:04:19,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:04:19,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:04:19,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:04:19,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:04:19,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:19" (1/1) ... [2023-12-03 03:04:19,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:19" (1/1) ... [2023-12-03 03:04:19,826 INFO L138 Inliner]: procedures = 499, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2023-12-03 03:04:19,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:04:19,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:04:19,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:04:19,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:04:19,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:19" (1/1) ... [2023-12-03 03:04:19,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:19" (1/1) ... [2023-12-03 03:04:19,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:19" (1/1) ... [2023-12-03 03:04:19,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:19" (1/1) ... [2023-12-03 03:04:19,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:19" (1/1) ... [2023-12-03 03:04:19,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:19" (1/1) ... [2023-12-03 03:04:19,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:19" (1/1) ... [2023-12-03 03:04:19,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:19" (1/1) ... [2023-12-03 03:04:19,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:04:19,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:04:19,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:04:19,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:04:19,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:19" (1/1) ... [2023-12-03 03:04:19,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:04:19,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:04:19,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:04:19,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:04:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:04:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:04:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:04:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:04:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:04:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:04:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:04:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:04:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:04:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:04:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:04:20,045 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:04:20,047 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:04:20,169 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:04:20,204 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:04:20,204 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:04:20,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:20 BoogieIcfgContainer [2023-12-03 03:04:20,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:04:20,207 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:04:20,207 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:04:20,216 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:04:20,217 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:20" (1/1) ... [2023-12-03 03:04:20,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:04:20,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:04:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:04:20,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:04:20,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:20,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:04:20,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:04:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:04:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:04:20,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:04:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:04:20,644 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:04:20,663 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-03 03:04:20,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-12-03 03:04:20,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 03:04:20,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated [2023-12-03 03:04:20,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:04:20 ImpRootNode [2023-12-03 03:04:20,671 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:04:20,672 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:04:20,672 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:04:20,673 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:04:20,673 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:20" (3/4) ... [2023-12-03 03:04:20,675 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:04:20,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:04:20,678 INFO L158 Benchmark]: Toolchain (without parser) took 2009.41ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 115.0MB in the beginning and 169.9MB in the end (delta: -54.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:04:20,678 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:04:20,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1100.31ms. Allocated memory is still 159.4MB. Free memory was 115.0MB in the beginning and 105.0MB in the end (delta: 10.1MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2023-12-03 03:04:20,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.02ms. Allocated memory is still 159.4MB. Free memory was 105.0MB in the beginning and 102.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:04:20,680 INFO L158 Benchmark]: Boogie Preprocessor took 26.31ms. Allocated memory is still 159.4MB. Free memory was 102.2MB in the beginning and 100.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:04:20,681 INFO L158 Benchmark]: RCFGBuilder took 352.08ms. Allocated memory is still 159.4MB. Free memory was 100.8MB in the beginning and 85.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:04:20,681 INFO L158 Benchmark]: CodeCheck took 465.02ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 85.4MB in the beginning and 170.9MB in the end (delta: -85.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:04:20,682 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 209.7MB. Free memory was 170.9MB in the beginning and 169.9MB in the end (delta: 956.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:04:20,685 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1573]: 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)=14, argc=14, argv={12:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_postdec_67_structType myStruct; [L1557] data = 0 [L1559] EXPR \read(data) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={8369:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1100.31ms. Allocated memory is still 159.4MB. Free memory was 115.0MB in the beginning and 105.0MB in the end (delta: 10.1MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.02ms. Allocated memory is still 159.4MB. Free memory was 105.0MB in the beginning and 102.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.31ms. Allocated memory is still 159.4MB. Free memory was 102.2MB in the beginning and 100.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.08ms. Allocated memory is still 159.4MB. Free memory was 100.8MB in the beginning and 85.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 465.02ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 85.4MB in the beginning and 170.9MB in the end (delta: -85.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 209.7MB. Free memory was 170.9MB in the beginning and 169.9MB in the end (delta: 956.8kB). 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~nondet103 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post106 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 03:04:20,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/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_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/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_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/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_627327c0-13f0-4f5c-b5b2-26d74b377ef6/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 bcc3cf8ee9a270eb9af479438043748341b1a2a93134a9b98a84428f51be0f65 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:04:22,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:04:22,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:04:22,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:04:22,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:04:22,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:04:22,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:04:22,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:04:22,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:04:22,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:04:22,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:04:22,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:04:22,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:04:22,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:04:22,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:04:22,770 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:04:22,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:04:22,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:04:22,771 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:04:22,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:04:22,772 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:04:22,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:04:22,774 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:04:22,774 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:04:22,775 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:22,775 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:04:22,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:04:22,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:04:22,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:04:22,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:04:22,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:04:22,778 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:04:22,778 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:22,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:04:22,779 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:04:22,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:04:22,779 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_627327c0-13f0-4f5c-b5b2-26d74b377ef6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcc3cf8ee9a270eb9af479438043748341b1a2a93134a9b98a84428f51be0f65 [2023-12-03 03:04:23,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:04:23,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:04:23,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:04:23,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:04:23,067 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:04:23,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i [2023-12-03 03:04:25,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:04:26,176 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:04:26,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_67_bad.i [2023-12-03 03:04:26,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/data/e4d7c89dc/3efc4c55528047178c57429da6d5b0e2/FLAGa84085d77 [2023-12-03 03:04:26,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/data/e4d7c89dc/3efc4c55528047178c57429da6d5b0e2 [2023-12-03 03:04:26,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:04:26,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:04:26,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:04:26,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:04:26,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:04:26,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:04:26" (1/1) ... [2023-12-03 03:04:26,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1902931f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:26, skipping insertion in model container [2023-12-03 03:04:26,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:04:26" (1/1) ... [2023-12-03 03:04:26,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:04:27,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:04:27,259 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:04:27,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:04:27,464 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:04:27,465 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:04:27,465 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:04:27,465 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:04:27,470 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:04:27,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:27 WrapperNode [2023-12-03 03:04:27,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:04:27,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:04:27,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:04:27,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:04:27,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:27" (1/1) ... [2023-12-03 03:04:27,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:27" (1/1) ... [2023-12-03 03:04:27,532 INFO L138 Inliner]: procedures = 504, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2023-12-03 03:04:27,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:04:27,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:04:27,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:04:27,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:04:27,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:27" (1/1) ... [2023-12-03 03:04:27,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:27" (1/1) ... [2023-12-03 03:04:27,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:27" (1/1) ... [2023-12-03 03:04:27,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:27" (1/1) ... [2023-12-03 03:04:27,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:27" (1/1) ... [2023-12-03 03:04:27,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:27" (1/1) ... [2023-12-03 03:04:27,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:27" (1/1) ... [2023-12-03 03:04:27,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:27" (1/1) ... [2023-12-03 03:04:27,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:04:27,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:04:27,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:04:27,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:04:27,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:04:27" (1/1) ... [2023-12-03 03:04:27,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:04:27,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:04:27,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:04:27,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:04:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:04:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:04:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:04:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:04:27,798 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:04:27,800 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:04:28,115 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:04:28,196 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:04:28,197 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:04:28,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:28 BoogieIcfgContainer [2023-12-03 03:04:28,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:04:28,200 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:04:28,200 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:04:28,210 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:04:28,210 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:28" (1/1) ... [2023-12-03 03:04:28,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:04:28,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:04:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:04:28,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:04:28,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:28,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:28,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:28,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:28,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:04:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:04:28,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:04:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:04:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:04:29,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:04:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:04:29,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:04:29,661 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:04:29,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 03:04:29,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-12-03 03:04:29,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 03:04:29,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-12-03 03:04:29,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:04:29 ImpRootNode [2023-12-03 03:04:29,688 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:04:29,689 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:04:29,689 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:04:29,689 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:04:29,689 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:28" (3/4) ... [2023-12-03 03:04:29,691 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:04:29,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:04:29,693 INFO L158 Benchmark]: Toolchain (without parser) took 3278.45ms. Allocated memory is still 127.9MB. Free memory was 100.8MB in the beginning and 72.9MB in the end (delta: 27.9MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-12-03 03:04:29,694 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 71.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:04:29,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1055.04ms. Allocated memory is still 127.9MB. Free memory was 100.8MB in the beginning and 68.1MB in the end (delta: 32.7MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2023-12-03 03:04:29,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.29ms. Allocated memory is still 127.9MB. Free memory was 68.1MB in the beginning and 64.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:04:29,696 INFO L158 Benchmark]: Boogie Preprocessor took 38.46ms. Allocated memory is still 127.9MB. Free memory was 64.8MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:04:29,697 INFO L158 Benchmark]: RCFGBuilder took 626.83ms. Allocated memory is still 127.9MB. Free memory was 62.7MB in the beginning and 98.8MB in the end (delta: -36.2MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-12-03 03:04:29,697 INFO L158 Benchmark]: CodeCheck took 1488.47ms. Allocated memory is still 127.9MB. Free memory was 98.8MB in the beginning and 73.7MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 03:04:29,698 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 127.9MB. Free memory was 73.7MB in the beginning and 72.9MB in the end (delta: 858.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:04:29,701 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: 1.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s 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: 1573]: 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_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_postdec_67_structType myStruct; [L1557] data = 0 [L1559] EXPR \read(data) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={1099578736645:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 71.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1055.04ms. Allocated memory is still 127.9MB. Free memory was 100.8MB in the beginning and 68.1MB in the end (delta: 32.7MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.29ms. Allocated memory is still 127.9MB. Free memory was 68.1MB in the beginning and 64.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.46ms. Allocated memory is still 127.9MB. Free memory was 64.8MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 626.83ms. Allocated memory is still 127.9MB. Free memory was 62.7MB in the beginning and 98.8MB in the end (delta: -36.2MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * CodeCheck took 1488.47ms. Allocated memory is still 127.9MB. Free memory was 98.8MB in the beginning and 73.7MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 127.9MB. Free memory was 73.7MB in the beginning and 72.9MB in the end (delta: 858.5kB). 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~nondet101 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post104 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 03:04:29,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627327c0-13f0-4f5c-b5b2-26d74b377ef6/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample