./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_10_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_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/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_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/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_4d022204-9b32-4a4c-bb9c-5bbff0373777/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 9a4c9bf01e963e41edfed9c50a8c3c9cd0bc54322f56c2357b85dbe065131e8a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:37:46,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:37:46,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:37:46,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:37:46,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:37:46,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:37:46,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:37:46,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:37:46,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:37:46,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:37:46,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:37:46,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:37:46,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:37:46,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:37:46,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:37:46,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:37:46,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:37:46,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:37:46,937 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:37:46,937 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:37:46,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:37:46,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:37:46,939 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:37:46,939 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:37:46,940 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:37:46,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:37:46,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:46,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:37:46,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:37:46,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:37:46,942 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:37:46,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:37:46,943 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_4d022204-9b32-4a4c-bb9c-5bbff0373777/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4c9bf01e963e41edfed9c50a8c3c9cd0bc54322f56c2357b85dbe065131e8a [2024-11-08 23:37:47,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:37:47,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:37:47,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:37:47,244 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:37:47,244 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:37:47,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_10_bad.i Unable to find full path for "g++" [2024-11-08 23:37:49,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:37:49,685 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:37:49,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_10_bad.i [2024-11-08 23:37:49,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/data/c84f440bc/343484304be04e90a2456fa7cb4509ef/FLAG1aeba4b35 [2024-11-08 23:37:49,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/data/c84f440bc/343484304be04e90a2456fa7cb4509ef [2024-11-08 23:37:49,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:37:49,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:37:49,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:49,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:37:49,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:37:49,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:49" (1/1) ... [2024-11-08 23:37:49,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc22c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:49, skipping insertion in model container [2024-11-08 23:37:49,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:49" (1/1) ... [2024-11-08 23:37:49,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:37:51,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:51,171 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:37:51,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:51,489 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:37:51,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:51 WrapperNode [2024-11-08 23:37:51,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:51,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:51,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:37:51,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:37:51,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:51" (1/1) ... [2024-11-08 23:37:51,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:51" (1/1) ... [2024-11-08 23:37:51,569 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-08 23:37:51,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:51,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:37:51,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:37:51,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:37:51,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:51" (1/1) ... [2024-11-08 23:37:51,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:51" (1/1) ... [2024-11-08 23:37:51,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:51" (1/1) ... [2024-11-08 23:37:51,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:51" (1/1) ... [2024-11-08 23:37:51,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:51" (1/1) ... [2024-11-08 23:37:51,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:51" (1/1) ... [2024-11-08 23:37:51,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:51" (1/1) ... [2024-11-08 23:37:51,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:51" (1/1) ... [2024-11-08 23:37:51,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:37:51,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:37:51,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:37:51,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:37:51,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:51" (1/1) ... [2024-11-08 23:37:51,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:51,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:37:51,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:37:51,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:37:51,721 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:37:51,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:37:51,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:37:51,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:37:51,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:37:51,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:37:51,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:37:52,033 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:37:52,033 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:37:52,128 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:37:52,128 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:37:52,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:52 BoogieIcfgContainer [2024-11-08 23:37:52,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:37:52,131 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:37:52,131 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:37:52,162 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:37:52,165 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:52" (1/1) ... [2024-11-08 23:37:52,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:37:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:52,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:37:52,306 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:37:52,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:37:52,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:52,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:52,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:37:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:52,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:37:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:52,649 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:37:52,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:37:52 ImpRootNode [2024-11-08 23:37:52,695 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:37:52,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:37:52,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:37:52,700 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:37:52,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:52" (3/4) ... [2024-11-08 23:37:52,705 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:37:52,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:37:52,711 INFO L158 Benchmark]: Toolchain (without parser) took 2822.53ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 87.1MB in the beginning and 102.4MB in the end (delta: -15.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-08 23:37:52,713 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 123.7MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:52,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1600.84ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 87.1MB in the beginning and 86.2MB in the end (delta: 976.5kB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2024-11-08 23:37:52,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.89ms. Allocated memory is still 153.1MB. Free memory was 86.2MB in the beginning and 83.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:37:52,718 INFO L158 Benchmark]: Boogie Preprocessor took 32.27ms. Allocated memory is still 153.1MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:52,719 INFO L158 Benchmark]: RCFGBuilder took 525.75ms. Allocated memory is still 153.1MB. Free memory was 82.0MB in the beginning and 67.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:37:52,721 INFO L158 Benchmark]: CodeCheck took 564.60ms. Allocated memory is still 153.1MB. Free memory was 67.7MB in the beginning and 102.4MB in the end (delta: -34.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:52,722 INFO L158 Benchmark]: Witness Printer took 13.03ms. Allocated memory is still 153.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:52,728 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: 0.4s, 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, 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_postdec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) [L1559] data-- 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 0.38ms. Allocated memory is still 123.7MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1600.84ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 87.1MB in the beginning and 86.2MB in the end (delta: 976.5kB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.89ms. Allocated memory is still 153.1MB. Free memory was 86.2MB in the beginning and 83.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.27ms. Allocated memory is still 153.1MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 525.75ms. Allocated memory is still 153.1MB. Free memory was 82.0MB in the beginning and 67.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 564.60ms. Allocated memory is still 153.1MB. Free memory was 67.7MB in the beginning and 102.4MB in the end (delta: -34.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 13.03ms. Allocated memory is still 153.1MB. Free memory is still 102.4MB. 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 23:37:52,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/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_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/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_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/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_4d022204-9b32-4a4c-bb9c-5bbff0373777/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 9a4c9bf01e963e41edfed9c50a8c3c9cd0bc54322f56c2357b85dbe065131e8a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:37:55,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:37:55,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:37:55,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:37:55,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:37:55,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:37:55,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:37:55,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:37:55,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:37:55,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:37:55,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:37:55,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:37:55,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:37:55,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:37:55,921 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:37:55,921 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:37:55,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:37:55,922 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:37:55,922 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:37:55,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:37:55,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:37:55,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:37:55,928 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:37:55,928 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:37:55,928 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:37:55,928 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:55,929 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:37:55,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:37:55,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:55,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:37:55,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:37:55,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:37:55,933 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:37:55,933 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:55,934 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:37:55,934 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_4d022204-9b32-4a4c-bb9c-5bbff0373777/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4c9bf01e963e41edfed9c50a8c3c9cd0bc54322f56c2357b85dbe065131e8a [2024-11-08 23:37:56,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:37:56,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:37:56,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:37:56,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:37:56,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:37:56,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_10_bad.i Unable to find full path for "g++" [2024-11-08 23:37:59,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:37:59,585 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:37:59,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_10_bad.i [2024-11-08 23:37:59,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/data/44acd372f/b42ade8b716c4519893b2ce59f033408/FLAG4e79d1402 [2024-11-08 23:37:59,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/data/44acd372f/b42ade8b716c4519893b2ce59f033408 [2024-11-08 23:37:59,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:37:59,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:37:59,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:59,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:37:59,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:37:59,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:59" (1/1) ... [2024-11-08 23:37:59,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b718acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:59, skipping insertion in model container [2024-11-08 23:37:59,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:59" (1/1) ... [2024-11-08 23:37:59,796 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:38:01,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:01,133 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:38:01,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:01,454 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:38:01,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:01 WrapperNode [2024-11-08 23:38:01,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:01,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:01,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:38:01,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:38:01,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:01" (1/1) ... [2024-11-08 23:38:01,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:01" (1/1) ... [2024-11-08 23:38:01,546 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-08 23:38:01,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:01,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:38:01,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:38:01,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:38:01,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:01" (1/1) ... [2024-11-08 23:38:01,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:01" (1/1) ... [2024-11-08 23:38:01,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:01" (1/1) ... [2024-11-08 23:38:01,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:01" (1/1) ... [2024-11-08 23:38:01,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:01" (1/1) ... [2024-11-08 23:38:01,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:01" (1/1) ... [2024-11-08 23:38:01,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:01" (1/1) ... [2024-11-08 23:38:01,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:01" (1/1) ... [2024-11-08 23:38:01,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:38:01,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:38:01,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:38:01,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:38:01,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:01" (1/1) ... [2024-11-08 23:38:01,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:01,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:38:01,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:38:01,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:38:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:38:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:38:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:38:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:38:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:38:01,961 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:38:01,964 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:38:02,160 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 23:38:02,162 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:38:02,254 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:38:02,255 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:38:02,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:02 BoogieIcfgContainer [2024-11-08 23:38:02,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:38:02,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:38:02,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:38:02,270 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:38:02,271 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:02" (1/1) ... [2024-11-08 23:38:02,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:38:02,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:02,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:38:02,371 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:38:02,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:38:02,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:02,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:02,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:38:02,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:38:02,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:38:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:02,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:02,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:02,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:38:02,825 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:38:02,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:38:02 ImpRootNode [2024-11-08 23:38:02,868 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:38:02,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:38:02,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:38:02,870 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:38:02,871 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:02" (3/4) ... [2024-11-08 23:38:02,877 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:38:02,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:38:02,880 INFO L158 Benchmark]: Toolchain (without parser) took 3212.35ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 48.0MB in the beginning and 68.8MB in the end (delta: -20.8MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:02,880 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:02,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1784.11ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.8MB in the beginning and 47.0MB in the end (delta: 802.3kB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-08 23:38:02,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.31ms. Allocated memory is still 102.8MB. Free memory was 47.0MB in the beginning and 72.2MB in the end (delta: -25.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-08 23:38:02,883 INFO L158 Benchmark]: Boogie Preprocessor took 42.19ms. Allocated memory is still 102.8MB. Free memory was 72.2MB in the beginning and 70.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:02,883 INFO L158 Benchmark]: RCFGBuilder took 665.57ms. Allocated memory is still 102.8MB. Free memory was 70.3MB in the beginning and 53.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:38:02,884 INFO L158 Benchmark]: CodeCheck took 610.91ms. Allocated memory is still 102.8MB. Free memory was 53.5MB in the beginning and 69.5MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:02,885 INFO L158 Benchmark]: Witness Printer took 8.73ms. Allocated memory is still 102.8MB. Free memory was 69.5MB in the beginning and 68.8MB in the end (delta: 677.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:02,894 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, 0.0s 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_postdec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) [L1559] data-- 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 0.43ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1784.11ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.8MB in the beginning and 47.0MB in the end (delta: 802.3kB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.31ms. Allocated memory is still 102.8MB. Free memory was 47.0MB in the beginning and 72.2MB in the end (delta: -25.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.19ms. Allocated memory is still 102.8MB. Free memory was 72.2MB in the beginning and 70.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.57ms. Allocated memory is still 102.8MB. Free memory was 70.3MB in the beginning and 53.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 610.91ms. Allocated memory is still 102.8MB. Free memory was 53.5MB in the beginning and 69.5MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.73ms. Allocated memory is still 102.8MB. Free memory was 69.5MB in the beginning and 68.8MB in the end (delta: 677.0kB). 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 23:38:02,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d022204-9b32-4a4c-bb9c-5bbff0373777/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