./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_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_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/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_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/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_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/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 4671864cdd98fade30eb9ce8efc5288fd25e2d9744d3481098bbdc1c4984e73b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:22,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:22,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:13:22,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:22,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:22,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:22,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:22,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:22,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:22,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:22,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:22,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:22,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:22,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:22,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:22,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:22,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:22,418 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:13:22,419 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:22,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:22,420 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:22,421 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:22,422 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:22,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:22,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:22,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:22,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:22,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:22,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:22,427 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:22,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:22,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:22,429 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_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4671864cdd98fade30eb9ce8efc5288fd25e2d9744d3481098bbdc1c4984e73b [2023-11-24 23:13:22,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:22,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:22,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:22,783 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:22,783 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:22,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_bad.i [2023-11-24 23:13:25,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:26,375 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:26,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_bad.i [2023-11-24 23:13:26,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/data/1cec314b5/0d58a6849f1d406b8c1bbe088907e8aa/FLAGb3ccf1071 [2023-11-24 23:13:26,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/data/1cec314b5/0d58a6849f1d406b8c1bbe088907e8aa [2023-11-24 23:13:26,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:26,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:26,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:26,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:26,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:26,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:26" (1/1) ... [2023-11-24 23:13:26,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e277c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:26, skipping insertion in model container [2023-11-24 23:13:26,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:26" (1/1) ... [2023-11-24 23:13:26,560 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:27,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:27,555 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:27,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:27,861 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:27,861 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:27,862 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:27,862 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:27,870 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:27,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:27 WrapperNode [2023-11-24 23:13:27,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:27,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:27,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:27,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:27,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:27" (1/1) ... [2023-11-24 23:13:27,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:27" (1/1) ... [2023-11-24 23:13:27,935 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 53 [2023-11-24 23:13:27,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:27,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:27,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:27,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:27,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:27" (1/1) ... [2023-11-24 23:13:27,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:27" (1/1) ... [2023-11-24 23:13:27,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:27" (1/1) ... [2023-11-24 23:13:27,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:27" (1/1) ... [2023-11-24 23:13:27,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:27" (1/1) ... [2023-11-24 23:13:27,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:27" (1/1) ... [2023-11-24 23:13:27,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:27" (1/1) ... [2023-11-24 23:13:27,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:27" (1/1) ... [2023-11-24 23:13:27,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:27,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:27,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:27,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:27,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:27" (1/1) ... [2023-11-24 23:13:27,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:27,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:28,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:28,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:13:28,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:13:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:13:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:13:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:28,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:13:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:13:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:13:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:28,250 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:28,252 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:28,373 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:28,425 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:28,425 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:13:28,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:28 BoogieIcfgContainer [2023-11-24 23:13:28,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:28,428 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:28,428 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:28,439 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:28,440 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:28" (1/1) ... [2023-11-24 23:13:28,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:13:28,556 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:13:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:28,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:28,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:28,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:28,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:28,977 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:13:29,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 23:13:29,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:29 ImpRootNode [2023-11-24 23:13:29,029 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:29,034 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:29,034 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:29,034 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:29,035 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:28" (3/4) ... [2023-11-24 23:13:29,040 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:13:29,042 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:29,043 INFO L158 Benchmark]: Toolchain (without parser) took 2611.27ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 72.0MB in the beginning and 147.3MB in the end (delta: -75.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:29,044 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:29,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1438.62ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 71.8MB in the beginning and 109.0MB in the end (delta: -37.2MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2023-11-24 23:13:29,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.55ms. Allocated memory is still 197.1MB. Free memory was 109.0MB in the beginning and 105.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:13:29,048 INFO L158 Benchmark]: Boogie Preprocessor took 34.15ms. Allocated memory is still 197.1MB. Free memory was 105.7MB in the beginning and 104.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:29,049 INFO L158 Benchmark]: RCFGBuilder took 456.31ms. Allocated memory is still 197.1MB. Free memory was 103.7MB in the beginning and 89.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:13:29,050 INFO L158 Benchmark]: CodeCheck took 602.01ms. Allocated memory is still 197.1MB. Free memory was 89.0MB in the beginning and 147.3MB in the end (delta: -58.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:29,051 INFO L158 Benchmark]: Witness Printer took 8.09ms. Allocated memory is still 197.1MB. Free memory is still 147.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:29,062 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fscanf_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData; [L1570] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={37:38}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1564] EXPR \read(data) [L1564] CWE191_Integer_Underflow__int_fscanf_sub_45_badData = data [L1565] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_sub_45_badData; VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1438.62ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 71.8MB in the beginning and 109.0MB in the end (delta: -37.2MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.55ms. Allocated memory is still 197.1MB. Free memory was 109.0MB in the beginning and 105.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.15ms. Allocated memory is still 197.1MB. Free memory was 105.7MB in the beginning and 104.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.31ms. Allocated memory is still 197.1MB. Free memory was 103.7MB in the beginning and 89.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 602.01ms. Allocated memory is still 197.1MB. Free memory was 89.0MB in the beginning and 147.3MB in the end (delta: -58.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.09ms. Allocated memory is still 197.1MB. Free memory is still 147.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:13:29,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/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_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/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_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/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_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/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 4671864cdd98fade30eb9ce8efc5288fd25e2d9744d3481098bbdc1c4984e73b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:31,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:31,989 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:13:32,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:32,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:32,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:32,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:32,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:32,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:32,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:32,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:32,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:32,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:32,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:32,066 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:13:32,067 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:13:32,067 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:13:32,068 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:13:32,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:32,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:32,069 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:32,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:32,071 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:32,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:32,072 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:32,072 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:32,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:32,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:32,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:32,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:32,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:32,076 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:13:32,076 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:32,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:32,077 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:13:32,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:32,078 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_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4671864cdd98fade30eb9ce8efc5288fd25e2d9744d3481098bbdc1c4984e73b [2023-11-24 23:13:32,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:32,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:32,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:32,535 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:32,536 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:32,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_bad.i [2023-11-24 23:13:35,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:36,173 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:36,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_bad.i [2023-11-24 23:13:36,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/data/666707849/078e2464119f49d09cd2684371f890ea/FLAG092989c72 [2023-11-24 23:13:36,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/data/666707849/078e2464119f49d09cd2684371f890ea [2023-11-24 23:13:36,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:36,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:36,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:36,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:36,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:36,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:36" (1/1) ... [2023-11-24 23:13:36,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d763a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:36, skipping insertion in model container [2023-11-24 23:13:36,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:36" (1/1) ... [2023-11-24 23:13:36,295 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:37,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:37,484 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:37,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:37,713 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:37,714 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:37,714 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:37,714 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:37,722 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:37,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:37 WrapperNode [2023-11-24 23:13:37,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:37,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:37,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:37,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:37,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:37" (1/1) ... [2023-11-24 23:13:37,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:37" (1/1) ... [2023-11-24 23:13:37,789 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2023-11-24 23:13:37,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:37,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:37,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:37,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:37,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:37" (1/1) ... [2023-11-24 23:13:37,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:37" (1/1) ... [2023-11-24 23:13:37,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:37" (1/1) ... [2023-11-24 23:13:37,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:37" (1/1) ... [2023-11-24 23:13:37,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:37" (1/1) ... [2023-11-24 23:13:37,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:37" (1/1) ... [2023-11-24 23:13:37,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:37" (1/1) ... [2023-11-24 23:13:37,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:37" (1/1) ... [2023-11-24 23:13:37,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:37,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:37,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:37,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:37,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:37" (1/1) ... [2023-11-24 23:13:37,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:37,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:37,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:37,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:13:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:13:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:13:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:13:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:13:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:13:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:13:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:13:38,138 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:38,141 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:38,374 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:38,451 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:38,461 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:13:38,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:38 BoogieIcfgContainer [2023-11-24 23:13:38,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:38,464 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:38,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:38,475 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:38,475 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:38,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:13:38,555 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:13:38,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:38,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:38,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:38,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:38,570 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:38,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:13:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:38,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:39,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:39,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:13:39,162 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:13:39,193 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 23:13:39,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:39 ImpRootNode [2023-11-24 23:13:39,200 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:39,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:39,203 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:39,203 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:39,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:38" (3/4) ... [2023-11-24 23:13:39,206 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:13:39,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:39,208 INFO L158 Benchmark]: Toolchain (without parser) took 2984.25ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 67.4MB in the end (delta: 10.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-24 23:13:39,208 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 69.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:39,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1498.70ms. Allocated memory is still 104.9MB. Free memory was 77.7MB in the beginning and 74.1MB in the end (delta: 3.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:39,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.41ms. Allocated memory is still 104.9MB. Free memory was 74.1MB in the beginning and 70.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:39,211 INFO L158 Benchmark]: Boogie Preprocessor took 47.19ms. Allocated memory is still 104.9MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:39,212 INFO L158 Benchmark]: RCFGBuilder took 619.54ms. Allocated memory is still 104.9MB. Free memory was 68.8MB in the beginning and 52.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:13:39,213 INFO L158 Benchmark]: CodeCheck took 736.50ms. Allocated memory is still 104.9MB. Free memory was 52.0MB in the beginning and 67.4MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:39,213 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 104.9MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:39,222 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: 0.7s, 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, 0.1s 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fscanf_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData; [L1570] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1564] EXPR \read(data) [L1564] CWE191_Integer_Underflow__int_fscanf_sub_45_badData = data [L1565] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_sub_45_badData; VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 69.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1498.70ms. Allocated memory is still 104.9MB. Free memory was 77.7MB in the beginning and 74.1MB in the end (delta: 3.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.41ms. Allocated memory is still 104.9MB. Free memory was 74.1MB in the beginning and 70.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.19ms. Allocated memory is still 104.9MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 619.54ms. Allocated memory is still 104.9MB. Free memory was 68.8MB in the beginning and 52.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 736.50ms. Allocated memory is still 104.9MB. Free memory was 52.0MB in the beginning and 67.4MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 104.9MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:13:39,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6935087-f5a7-4cc3-b8e4-39c380f9a01c/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