./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_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_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:18,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:18,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:08:18,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:18,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:18,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:18,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:18,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:18,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:18,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:18,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:18,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:18,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:18,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:18,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:18,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:18,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:18,936 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:18,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:18,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:18,937 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:18,939 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:18,939 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:18,941 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:18,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:18,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:18,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:18,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:18,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:18,944 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:18,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:18,945 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:18,945 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_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 [2023-11-24 23:08:19,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:19,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:19,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:19,317 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:19,318 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:19,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2023-11-24 23:08:22,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:22,948 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:22,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2023-11-24 23:08:22,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/data/ab4f13f58/acdfe044fe33495faf6321ced0c32281/FLAG514584bb3 [2023-11-24 23:08:23,014 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/data/ab4f13f58/acdfe044fe33495faf6321ced0c32281 [2023-11-24 23:08:23,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:23,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:23,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:23,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:23,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:23,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:23" (1/1) ... [2023-11-24 23:08:23,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39353e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:23, skipping insertion in model container [2023-11-24 23:08:23,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:23" (1/1) ... [2023-11-24 23:08:23,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:24,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:24,082 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:24,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:24,440 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:24,441 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:24,441 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:24,441 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:24,449 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:24,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24 WrapperNode [2023-11-24 23:08:24,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:24,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:24,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:24,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:24,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:24,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:24,512 INFO L138 Inliner]: procedures = 499, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2023-11-24 23:08:24,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:24,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:24,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:24,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:24,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:24,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:24,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:24,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:24,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:24,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:24,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:24,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:24,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:24,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:24,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:24,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:24,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:24,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:24,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:24,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:24,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:08:24,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:08:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:08:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:08:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:24,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:08:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:08:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:08:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:24,801 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:24,808 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:24,992 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:25,036 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:25,036 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:08:25,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:25 BoogieIcfgContainer [2023-11-24 23:08:25,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:25,039 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:25,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:25,054 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:25,055 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:25" (1/1) ... [2023-11-24 23:08:25,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:25,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:08:25,120 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:08:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:25,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:25,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:25,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:25,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:25,545 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:08:25,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-11-24 23:08:25,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-11-24 23:08:25,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-24 23:08:25,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:08:25 ImpRootNode [2023-11-24 23:08:25,576 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:08:25,577 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:08:25,577 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:08:25,577 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:08:25,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:25" (3/4) ... [2023-11-24 23:08:25,580 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:08:25,581 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:08:25,583 INFO L158 Benchmark]: Toolchain (without parser) took 2561.42ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 69.3MB in the beginning and 80.1MB in the end (delta: -10.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-11-24 23:08:25,583 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:25,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1428.38ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 68.9MB in the beginning and 74.4MB in the end (delta: -5.4MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-11-24 23:08:25,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.88ms. Allocated memory is still 144.7MB. Free memory was 74.4MB in the beginning and 71.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:25,586 INFO L158 Benchmark]: Boogie Preprocessor took 32.21ms. Allocated memory is still 144.7MB. Free memory was 71.6MB in the beginning and 70.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:25,586 INFO L158 Benchmark]: RCFGBuilder took 491.82ms. Allocated memory is still 144.7MB. Free memory was 70.2MB in the beginning and 105.2MB in the end (delta: -35.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:08:25,587 INFO L158 Benchmark]: CodeCheck took 536.75ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 80.4MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:25,588 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 144.7MB. Free memory was 80.4MB in the beginning and 80.1MB in the end (delta: 320.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:25,591 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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)=18, argc=18, argv={16:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_sub_67_structType myStruct; [L1557] data = 0 [L1559] EXPR \read(data) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data - 1 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={32289:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1428.38ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 68.9MB in the beginning and 74.4MB in the end (delta: -5.4MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.88ms. Allocated memory is still 144.7MB. Free memory was 74.4MB in the beginning and 71.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.21ms. Allocated memory is still 144.7MB. Free memory was 71.6MB in the beginning and 70.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.82ms. Allocated memory is still 144.7MB. Free memory was 70.2MB in the beginning and 105.2MB in the end (delta: -35.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 536.75ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 80.4MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 144.7MB. Free memory was 80.4MB in the beginning and 80.1MB in the end (delta: 320.6kB). 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 The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:08:25,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:28,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:28,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:08:28,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:28,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:28,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:28,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:28,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:28,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:28,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:28,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:28,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:28,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:28,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:28,549 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:08:28,550 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:08:28,550 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:28,551 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:08:28,551 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:28,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:28,553 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:28,554 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:28,554 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:28,555 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:28,555 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:08:28,556 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:08:28,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:28,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:28,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:28,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:28,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:28,560 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:08:28,560 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:08:28,560 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:28,561 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:08:28,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:08:28,561 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_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 [2023-11-24 23:08:28,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:29,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:29,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:29,023 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:29,024 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:29,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2023-11-24 23:08:32,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:32,917 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:32,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2023-11-24 23:08:32,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/data/66c712466/71a4f7f0ad2f444fac99e29b390825f7/FLAGbbdcd3b00 [2023-11-24 23:08:32,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/data/66c712466/71a4f7f0ad2f444fac99e29b390825f7 [2023-11-24 23:08:32,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:32,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:32,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:32,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:32,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:32,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:32" (1/1) ... [2023-11-24 23:08:32,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5c1112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:32, skipping insertion in model container [2023-11-24 23:08:32,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:32" (1/1) ... [2023-11-24 23:08:33,060 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:34,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:34,194 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:34,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:34,485 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:34,485 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:34,486 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:34,486 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:34,494 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:34,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34 WrapperNode [2023-11-24 23:08:34,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:34,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:34,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:34,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:34,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,595 INFO L138 Inliner]: procedures = 504, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-24 23:08:34,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:34,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:34,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:34,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:34,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:34,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:34,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:34,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:34,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:34,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:34,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:34,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:08:34,768 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:08:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:08:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:08:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:34,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:08:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:08:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:08:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:08:34,933 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:34,936 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:35,345 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:35,386 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:35,386 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:08:35,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:35 BoogieIcfgContainer [2023-11-24 23:08:35,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:35,389 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:35,389 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:35,400 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:35,401 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:35,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:08:35,479 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:08:35,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:35,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:35,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:08:35,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:08:35,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:08:35,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:08:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:35,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:36,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:36,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:08:36,683 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:08:36,710 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-11-24 23:08:36,711 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-11-24 23:08:36,713 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-24 23:08:36,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:08:36 ImpRootNode [2023-11-24 23:08:36,724 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:08:36,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:08:36,727 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:08:36,727 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:08:36,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:35" (3/4) ... [2023-11-24 23:08:36,730 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:08:36,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:08:36,732 INFO L158 Benchmark]: Toolchain (without parser) took 3763.89ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 71.3MB in the beginning and 81.9MB in the end (delta: -10.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-11-24 23:08:36,733 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:36,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1525.79ms. Allocated memory is still 98.6MB. Free memory was 71.1MB in the beginning and 53.3MB in the end (delta: 17.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-24 23:08:36,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.30ms. Allocated memory is still 98.6MB. Free memory was 53.3MB in the beginning and 50.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:36,736 INFO L158 Benchmark]: Boogie Preprocessor took 76.09ms. Allocated memory is still 98.6MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:36,737 INFO L158 Benchmark]: RCFGBuilder took 714.44ms. Allocated memory is still 98.6MB. Free memory was 47.9MB in the beginning and 56.5MB in the end (delta: -8.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-24 23:08:36,738 INFO L158 Benchmark]: CodeCheck took 1334.89ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 56.5MB in the beginning and 81.9MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:36,739 INFO L158 Benchmark]: Witness Printer took 6.50ms. Allocated memory is still 119.5MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:36,750 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: 1.3s, 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, 0.4s 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_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_sub_67_structType myStruct; [L1557] data = 0 [L1559] EXPR \read(data) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data - 1 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={2305843009213693955:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1525.79ms. Allocated memory is still 98.6MB. Free memory was 71.1MB in the beginning and 53.3MB in the end (delta: 17.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.30ms. Allocated memory is still 98.6MB. Free memory was 53.3MB in the beginning and 50.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.09ms. Allocated memory is still 98.6MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 714.44ms. Allocated memory is still 98.6MB. Free memory was 47.9MB in the beginning and 56.5MB in the end (delta: -8.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * CodeCheck took 1334.89ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 56.5MB in the beginning and 81.9MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.50ms. Allocated memory is still 119.5MB. Free memory is still 81.9MB. 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 The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:08:36,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00b0b802-d44b-4a95-a6cd-bc82cc662421/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample