./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk --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 9bd648f4424dfdf5dc854eada17b46f45fb92ef06e891ef347c0813e49a1eb6d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:48:06,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:48:06,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:48:06,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:48:06,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:48:06,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:48:06,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:48:06,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:48:06,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:48:06,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:48:06,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:48:06,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:48:06,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:48:06,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:48:06,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:48:06,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:48:06,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:48:06,525 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:48:06,526 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:48:06,526 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:48:06,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:48:06,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:48:06,527 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:48:06,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:48:06,528 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:48:06,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:48:06,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:06,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:48:06,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:48:06,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:48:06,531 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:48:06,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:48:06,532 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_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bd648f4424dfdf5dc854eada17b46f45fb92ef06e891ef347c0813e49a1eb6d [2024-11-08 19:48:06,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:48:06,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:48:06,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:48:06,875 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:48:06,876 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:48:06,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i Unable to find full path for "g++" [2024-11-08 19:48:09,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:48:09,343 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:48:09,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i [2024-11-08 19:48:09,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/data/50c69014f/d662eb09216c4fe5b8eb6b67361919ec/FLAG9f79dfb26 [2024-11-08 19:48:09,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/data/50c69014f/d662eb09216c4fe5b8eb6b67361919ec [2024-11-08 19:48:09,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:48:09,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:48:09,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:09,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:48:09,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:48:09,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:09" (1/1) ... [2024-11-08 19:48:09,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b43a518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:09, skipping insertion in model container [2024-11-08 19:48:09,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:09" (1/1) ... [2024-11-08 19:48:09,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:48:10,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:10,579 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:48:10,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:10,892 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:48:10,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:10 WrapperNode [2024-11-08 19:48:10,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:10,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:10,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:48:10,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:48:10,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:10" (1/1) ... [2024-11-08 19:48:10,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:10" (1/1) ... [2024-11-08 19:48:10,968 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2024-11-08 19:48:10,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:10,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:48:10,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:48:10,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:48:10,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:10" (1/1) ... [2024-11-08 19:48:10,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:10" (1/1) ... [2024-11-08 19:48:10,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:10" (1/1) ... [2024-11-08 19:48:10,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:10" (1/1) ... [2024-11-08 19:48:10,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:10" (1/1) ... [2024-11-08 19:48:10,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:10" (1/1) ... [2024-11-08 19:48:11,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:10" (1/1) ... [2024-11-08 19:48:11,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:10" (1/1) ... [2024-11-08 19:48:11,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:48:11,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:48:11,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:48:11,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:48:11,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:10" (1/1) ... [2024-11-08 19:48:11,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:11,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:48:11,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:48:11,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:48:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:48:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:48:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:48:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:48:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:48:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:48:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:48:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:48:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:48:11,242 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:48:11,244 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:48:11,343 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 19:48:11,343 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:48:11,408 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:48:11,409 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:48:11,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:11 BoogieIcfgContainer [2024-11-08 19:48:11,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:48:11,410 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:48:11,410 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:48:11,421 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:48:11,421 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:11" (1/1) ... [2024-11-08 19:48:11,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:48:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:48:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:48:11,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:48:11,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:11,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:11,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:48:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:11,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:48:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:11,800 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:48:11,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:48:11 ImpRootNode [2024-11-08 19:48:11,835 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:48:11,836 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:48:11,837 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:48:11,838 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:48:11,838 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:11" (3/4) ... [2024-11-08 19:48:11,841 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:48:11,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:48:11,845 INFO L158 Benchmark]: Toolchain (without parser) took 2440.84ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 90.3MB in the beginning and 139.9MB in the end (delta: -49.6MB). Peak memory consumption was 824.7kB. Max. memory is 16.1GB. [2024-11-08 19:48:11,846 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:48:11,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1488.20ms. Allocated memory is still 134.2MB. Free memory was 90.3MB in the beginning and 79.1MB in the end (delta: 11.2MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-11-08 19:48:11,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.80ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 76.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:48:11,848 INFO L158 Benchmark]: Boogie Preprocessor took 40.87ms. Allocated memory is still 134.2MB. Free memory was 76.2MB in the beginning and 74.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:48:11,849 INFO L158 Benchmark]: RCFGBuilder took 398.26ms. Allocated memory is still 134.2MB. Free memory was 74.2MB in the beginning and 60.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:48:11,850 INFO L158 Benchmark]: CodeCheck took 425.30ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 60.3MB in the beginning and 139.9MB in the end (delta: -79.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:48:11,851 INFO L158 Benchmark]: Witness Printer took 7.70ms. Allocated memory is still 182.5MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:48:11,854 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1563]: 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 1571. 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); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET 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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_sub_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_sub_34_unionType myUnion; [L1557] data = 0 [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.34ms. Allocated memory is still 134.2MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1488.20ms. Allocated memory is still 134.2MB. Free memory was 90.3MB in the beginning and 79.1MB in the end (delta: 11.2MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.80ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 76.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.87ms. Allocated memory is still 134.2MB. Free memory was 76.2MB in the beginning and 74.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.26ms. Allocated memory is still 134.2MB. Free memory was 74.2MB in the beginning and 60.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 425.30ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 60.3MB in the beginning and 139.9MB in the end (delta: -79.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.70ms. Allocated memory is still 182.5MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:48:11,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk --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 9bd648f4424dfdf5dc854eada17b46f45fb92ef06e891ef347c0813e49a1eb6d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:48:14,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:48:14,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:48:14,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:48:14,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:48:14,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:48:14,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:48:14,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:48:14,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:48:14,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:48:14,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:48:14,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:48:14,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:48:14,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:48:14,553 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:48:14,554 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:48:14,554 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:48:14,554 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:48:14,557 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:48:14,557 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:48:14,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:48:14,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:48:14,562 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:48:14,562 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:48:14,562 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:48:14,562 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:48:14,563 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:48:14,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:48:14,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:14,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:48:14,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:48:14,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:48:14,564 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:48:14,564 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:48:14,565 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:48:14,565 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_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bd648f4424dfdf5dc854eada17b46f45fb92ef06e891ef347c0813e49a1eb6d [2024-11-08 19:48:14,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:48:14,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:48:14,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:48:14,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:48:14,973 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:48:14,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i Unable to find full path for "g++" [2024-11-08 19:48:17,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:48:17,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:48:17,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_34_bad.i [2024-11-08 19:48:17,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/data/32ef767aa/8bfe4b7b7c84436b8264fe163cd689aa/FLAG7cdb25042 [2024-11-08 19:48:17,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/data/32ef767aa/8bfe4b7b7c84436b8264fe163cd689aa [2024-11-08 19:48:17,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:48:17,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:48:17,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:17,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:48:17,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:48:17,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:17" (1/1) ... [2024-11-08 19:48:17,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266b8037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:17, skipping insertion in model container [2024-11-08 19:48:17,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:17" (1/1) ... [2024-11-08 19:48:17,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:48:18,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:18,857 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:48:18,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:19,093 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:48:19,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:19 WrapperNode [2024-11-08 19:48:19,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:19,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:19,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:48:19,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:48:19,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:19" (1/1) ... [2024-11-08 19:48:19,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:19" (1/1) ... [2024-11-08 19:48:19,169 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-08 19:48:19,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:19,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:48:19,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:48:19,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:48:19,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:19" (1/1) ... [2024-11-08 19:48:19,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:19" (1/1) ... [2024-11-08 19:48:19,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:19" (1/1) ... [2024-11-08 19:48:19,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:19" (1/1) ... [2024-11-08 19:48:19,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:19" (1/1) ... [2024-11-08 19:48:19,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:19" (1/1) ... [2024-11-08 19:48:19,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:19" (1/1) ... [2024-11-08 19:48:19,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:19" (1/1) ... [2024-11-08 19:48:19,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:48:19,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:48:19,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:48:19,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:48:19,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:19" (1/1) ... [2024-11-08 19:48:19,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:19,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:48:19,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:48:19,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:48:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:48:19,304 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:48:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:48:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:48:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:48:19,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:48:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 19:48:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:48:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 19:48:19,513 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:48:19,516 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:48:19,678 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 19:48:19,679 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:48:19,755 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:48:19,756 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:48:19,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:19 BoogieIcfgContainer [2024-11-08 19:48:19,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:48:19,757 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:48:19,757 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:48:19,768 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:48:19,769 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:19" (1/1) ... [2024-11-08 19:48:19,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:48:19,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:48:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:48:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:48:19,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:19,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:48:19,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:48:19,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:48:19,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:48:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:20,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:48:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:20,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:48:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:20,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:48:20,302 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:48:20,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:48:20 ImpRootNode [2024-11-08 19:48:20,349 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:48:20,352 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:48:20,353 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:48:20,353 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:48:20,353 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:19" (3/4) ... [2024-11-08 19:48:20,356 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:48:20,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:48:20,358 INFO L158 Benchmark]: Toolchain (without parser) took 2802.69ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.1MB in the beginning and 61.1MB in the end (delta: -10.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-08 19:48:20,359 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:48:20,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1536.51ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.1MB in the beginning and 46.0MB in the end (delta: 5.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-08 19:48:20,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.81ms. Allocated memory is still 96.5MB. Free memory was 46.0MB in the beginning and 42.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:48:20,362 INFO L158 Benchmark]: Boogie Preprocessor took 54.08ms. Allocated memory is still 96.5MB. Free memory was 42.6MB in the beginning and 66.9MB in the end (delta: -24.3MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-08 19:48:20,363 INFO L158 Benchmark]: RCFGBuilder took 531.31ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 50.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:48:20,364 INFO L158 Benchmark]: CodeCheck took 592.07ms. Allocated memory is still 96.5MB. Free memory was 50.1MB in the beginning and 61.8MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:48:20,364 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 61.1MB in the end (delta: 699.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:48:20,368 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: 1563]: 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 1571. 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); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET 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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_sub_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_sub_34_unionType myUnion; [L1557] data = 0 [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.33ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1536.51ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.1MB in the beginning and 46.0MB in the end (delta: 5.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.81ms. Allocated memory is still 96.5MB. Free memory was 46.0MB in the beginning and 42.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.08ms. Allocated memory is still 96.5MB. Free memory was 42.6MB in the beginning and 66.9MB in the end (delta: -24.3MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * RCFGBuilder took 531.31ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 50.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 592.07ms. Allocated memory is still 96.5MB. Free memory was 50.1MB in the beginning and 61.8MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 61.1MB in the end (delta: 699.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:48:20,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9599f8f-26b3-4e5e-b7b5-b27fe3b5e51b/bin/ukojak-verify-ImItNfHLgk/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