./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_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_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1842186ec00f0c034bcf71431d5e1b2f47897c26d28a37392b362829f3317317 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:35:17,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:35:17,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:35:17,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:35:17,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:35:17,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:35:17,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:35:17,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:35:17,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:35:17,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:35:17,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:35:17,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:35:17,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:35:17,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:35:17,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:35:17,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:35:17,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:35:17,652 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:35:17,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:35:17,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:35:17,653 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:35:17,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:35:17,655 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:35:17,655 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:35:17,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:35:17,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:35:17,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:35:17,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:35:17,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:35:17,658 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:35:17,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:35:17,658 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:35:17,659 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_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1842186ec00f0c034bcf71431d5e1b2f47897c26d28a37392b362829f3317317 [2023-12-02 21:35:17,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:35:17,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:35:17,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:35:17,922 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:35:17,922 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:35:17,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i [2023-12-02 21:35:20,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:35:20,924 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:35:20,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i [2023-12-02 21:35:20,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/data/337a365b6/c2c5f8503ffc4683bc4b655d4e7ab575/FLAG65efd6c7b [2023-12-02 21:35:20,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/data/337a365b6/c2c5f8503ffc4683bc4b655d4e7ab575 [2023-12-02 21:35:20,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:35:20,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:35:20,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:35:20,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:35:20,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:35:20,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:35:20" (1/1) ... [2023-12-02 21:35:20,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8d1c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:20, skipping insertion in model container [2023-12-02 21:35:20,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:35:20" (1/1) ... [2023-12-02 21:35:21,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:35:21,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:35:21,730 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:35:21,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:35:21,892 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:35:21,893 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:35:21,893 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:35:21,893 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:35:21,899 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:35:21,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:21 WrapperNode [2023-12-02 21:35:21,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:35:21,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:35:21,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:35:21,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:35:21,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:21" (1/1) ... [2023-12-02 21:35:21,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:21" (1/1) ... [2023-12-02 21:35:21,955 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2023-12-02 21:35:21,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:35:21,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:35:21,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:35:21,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:35:21,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:21" (1/1) ... [2023-12-02 21:35:21,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:21" (1/1) ... [2023-12-02 21:35:21,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:21" (1/1) ... [2023-12-02 21:35:21,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:21" (1/1) ... [2023-12-02 21:35:21,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:21" (1/1) ... [2023-12-02 21:35:21,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:21" (1/1) ... [2023-12-02 21:35:21,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:21" (1/1) ... [2023-12-02 21:35:21,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:21" (1/1) ... [2023-12-02 21:35:21,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:35:21,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:35:21,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:35:21,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:35:21,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:21" (1/1) ... [2023-12-02 21:35:21,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:35:22,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:35:22,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:35:22,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:35:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:35:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:35:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:35:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:35:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:35:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:35:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:35:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:35:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:35:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:35:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:35:22,199 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:35:22,201 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:35:22,306 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:35:22,343 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:35:22,343 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:35:22,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:22 BoogieIcfgContainer [2023-12-02 21:35:22,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:35:22,346 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:35:22,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:35:22,356 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:35:22,356 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:22" (1/1) ... [2023-12-02 21:35:22,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:35:22,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:22,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 21:35:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 21:35:22,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:35:22,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:22,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:35:22,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:35:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:35:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:35:22,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:35:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:35:22,705 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:35:22,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 21:35:22,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:35:22 ImpRootNode [2023-12-02 21:35:22,727 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:35:22,727 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:35:22,727 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:35:22,728 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:35:22,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:22" (3/4) ... [2023-12-02 21:35:22,729 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:35:22,730 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:35:22,731 INFO L158 Benchmark]: Toolchain (without parser) took 1767.76ms. Allocated memory is still 184.5MB. Free memory was 143.3MB in the beginning and 66.5MB in the end (delta: 76.8MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2023-12-02 21:35:22,731 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:35:22,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 935.37ms. Allocated memory is still 184.5MB. Free memory was 143.3MB in the beginning and 104.2MB in the end (delta: 39.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 21:35:22,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.14ms. Allocated memory is still 184.5MB. Free memory was 104.2MB in the beginning and 101.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:35:22,733 INFO L158 Benchmark]: Boogie Preprocessor took 26.78ms. Allocated memory is still 184.5MB. Free memory was 101.2MB in the beginning and 100.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:35:22,734 INFO L158 Benchmark]: RCFGBuilder took 361.38ms. Allocated memory is still 184.5MB. Free memory was 100.0MB in the beginning and 85.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:35:22,734 INFO L158 Benchmark]: CodeCheck took 380.71ms. Allocated memory is still 184.5MB. Free memory was 85.3MB in the beginning and 66.5MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 21:35:22,735 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 184.5MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:35:22,738 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: 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 1559. 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=39, argc=39, argv={40:38}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_51_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_51b_badSink(data) [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, 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 0.13ms. Allocated memory is still 109.1MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 935.37ms. Allocated memory is still 184.5MB. Free memory was 143.3MB in the beginning and 104.2MB in the end (delta: 39.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.14ms. Allocated memory is still 184.5MB. Free memory was 104.2MB in the beginning and 101.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.78ms. Allocated memory is still 184.5MB. Free memory was 101.2MB in the beginning and 100.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.38ms. Allocated memory is still 184.5MB. Free memory was 100.0MB in the beginning and 85.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 380.71ms. Allocated memory is still 184.5MB. Free memory was 85.3MB in the beginning and 66.5MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 184.5MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:35:22,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1842186ec00f0c034bcf71431d5e1b2f47897c26d28a37392b362829f3317317 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:35:24,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:35:24,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:35:24,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:35:24,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:35:24,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:35:24,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:35:24,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:35:24,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:35:24,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:35:24,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:35:24,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:35:24,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:35:24,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:35:24,770 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:35:24,771 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:35:24,771 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:35:24,772 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:35:24,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:35:24,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:35:24,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:35:24,774 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:35:24,774 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:35:24,775 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:35:24,775 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:24,775 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:35:24,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:35:24,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:35:24,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:35:24,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:35:24,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:35:24,778 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:35:24,778 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:24,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:35:24,778 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:35:24,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:35:24,779 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1842186ec00f0c034bcf71431d5e1b2f47897c26d28a37392b362829f3317317 [2023-12-02 21:35:25,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:35:25,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:35:25,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:35:25,102 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:35:25,103 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:35:25,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i [2023-12-02 21:35:27,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:35:28,214 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:35:28,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_51_bad.i [2023-12-02 21:35:28,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/data/0da8d4c7e/dde65e72780c49c6a788ece6fa972659/FLAGd11e1a0ae [2023-12-02 21:35:28,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/data/0da8d4c7e/dde65e72780c49c6a788ece6fa972659 [2023-12-02 21:35:28,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:35:28,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:35:28,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:35:28,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:35:28,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:35:28,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:35:28" (1/1) ... [2023-12-02 21:35:28,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f89e1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:28, skipping insertion in model container [2023-12-02 21:35:28,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:35:28" (1/1) ... [2023-12-02 21:35:28,326 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:35:29,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:35:29,088 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:35:29,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:35:29,313 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:35:29,313 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:35:29,313 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:35:29,313 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:35:29,319 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:35:29,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:29 WrapperNode [2023-12-02 21:35:29,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:35:29,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:35:29,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:35:29,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:35:29,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:29" (1/1) ... [2023-12-02 21:35:29,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:29" (1/1) ... [2023-12-02 21:35:29,377 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2023-12-02 21:35:29,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:35:29,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:35:29,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:35:29,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:35:29,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:29" (1/1) ... [2023-12-02 21:35:29,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:29" (1/1) ... [2023-12-02 21:35:29,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:29" (1/1) ... [2023-12-02 21:35:29,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:29" (1/1) ... [2023-12-02 21:35:29,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:29" (1/1) ... [2023-12-02 21:35:29,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:29" (1/1) ... [2023-12-02 21:35:29,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:29" (1/1) ... [2023-12-02 21:35:29,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:29" (1/1) ... [2023-12-02 21:35:29,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:35:29,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:35:29,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:35:29,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:35:29,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:29" (1/1) ... [2023-12-02 21:35:29,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:35:29,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:35:29,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:35:29,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:35:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:35:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:35:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:35:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:35:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:35:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:35:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:35:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:35:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:35:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:35:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:35:29,644 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:35:29,646 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:35:29,782 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:35:29,820 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:35:29,820 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:35:29,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:29 BoogieIcfgContainer [2023-12-02 21:35:29,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:35:29,823 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:35:29,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:35:29,833 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:35:29,833 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:29" (1/1) ... [2023-12-02 21:35:29,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:35:29,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 21:35:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 21:35:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:35:29,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:29,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:29,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:29,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:29,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:35:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:35:30,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:35:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:35:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:35:30,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:35:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:35:30,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:35:30,348 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:35:30,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 21:35:30,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:35:30 ImpRootNode [2023-12-02 21:35:30,374 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:35:30,375 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:35:30,375 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:35:30,375 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:35:30,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:29" (3/4) ... [2023-12-02 21:35:30,378 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:35:30,379 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:35:30,380 INFO L158 Benchmark]: Toolchain (without parser) took 2123.28ms. Allocated memory is still 96.5MB. Free memory was 68.4MB in the beginning and 39.5MB in the end (delta: 28.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-12-02 21:35:30,380 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:35:30,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1061.83ms. Allocated memory is still 96.5MB. Free memory was 68.2MB in the beginning and 50.2MB in the end (delta: 18.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-12-02 21:35:30,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.18ms. Allocated memory is still 96.5MB. Free memory was 50.2MB in the beginning and 47.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:35:30,382 INFO L158 Benchmark]: Boogie Preprocessor took 38.41ms. Allocated memory is still 96.5MB. Free memory was 47.0MB in the beginning and 45.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:35:30,382 INFO L158 Benchmark]: RCFGBuilder took 403.87ms. Allocated memory is still 96.5MB. Free memory was 45.0MB in the beginning and 57.4MB in the end (delta: -12.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-12-02 21:35:30,383 INFO L158 Benchmark]: CodeCheck took 551.45ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 39.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:35:30,384 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 96.5MB. Free memory was 39.9MB in the beginning and 39.5MB in the end (delta: 453.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:35:30,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_51_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_51b_badSink(data) [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.21ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1061.83ms. Allocated memory is still 96.5MB. Free memory was 68.2MB in the beginning and 50.2MB in the end (delta: 18.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.18ms. Allocated memory is still 96.5MB. Free memory was 50.2MB in the beginning and 47.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.41ms. Allocated memory is still 96.5MB. Free memory was 47.0MB in the beginning and 45.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.87ms. Allocated memory is still 96.5MB. Free memory was 45.0MB in the beginning and 57.4MB in the end (delta: -12.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * CodeCheck took 551.45ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 39.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 96.5MB. Free memory was 39.9MB in the beginning and 39.5MB in the end (delta: 453.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:35:30,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457d0026-446f-492f-81cc-6d2d690cd8f9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample