./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c6eb4584 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c57ebc44b313bf301635c00d4458ecfdd41286b1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 22:20:40,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:20:40,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:20:40,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:20:40,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:20:40,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:20:40,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:20:40,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:20:40,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:20:40,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:20:40,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:20:40,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:20:40,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:20:40,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:20:40,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:20:40,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:20:40,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:20:40,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:20:40,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:20:40,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:20:40,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:20:40,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:20:40,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:20:40,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:20:40,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:20:40,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:20:40,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:20:40,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:20:40,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:20:40,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:20:40,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:20:40,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:20:40,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:20:40,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:20:41,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:20:41,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:20:41,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:20:41,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:20:41,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:20:41,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:20:41,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:20:41,015 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-16 22:20:41,055 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:20:41,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:20:41,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:20:41,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:20:41,060 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:20:41,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:20:41,062 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:20:41,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:20:41,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:20:41,065 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 22:20:41,066 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 22:20:41,067 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 22:20:41,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:20:41,068 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:20:41,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:20:41,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:20:41,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:20:41,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:20:41,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:20:41,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:20:41,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:20:41,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:20:41,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:20:41,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> c57ebc44b313bf301635c00d4458ecfdd41286b1 [2019-11-16 22:20:41,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:20:41,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:20:41,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:20:41,778 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:20:41,782 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:20:41,783 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2019-11-16 22:20:41,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05b5a5b7/a03547bd7968481a80a17aa1f5769890/FLAG9a73d7586 [2019-11-16 22:20:43,330 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:20:43,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2019-11-16 22:20:43,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05b5a5b7/a03547bd7968481a80a17aa1f5769890/FLAG9a73d7586 [2019-11-16 22:20:43,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05b5a5b7/a03547bd7968481a80a17aa1f5769890 [2019-11-16 22:20:43,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:20:43,445 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-16 22:20:43,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:43,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:20:43,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:20:43,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:43" (1/1) ... [2019-11-16 22:20:43,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2769a727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:43, skipping insertion in model container [2019-11-16 22:20:43,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:43" (1/1) ... [2019-11-16 22:20:43,490 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:20:43,642 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:20:45,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:45,286 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:20:45,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:45,994 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:20:45,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:45 WrapperNode [2019-11-16 22:20:46,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:46,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:20:46,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:20:46,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:20:46,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:45" (1/1) ... [2019-11-16 22:20:46,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:45" (1/1) ... [2019-11-16 22:20:46,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:45" (1/1) ... [2019-11-16 22:20:46,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:45" (1/1) ... [2019-11-16 22:20:46,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:45" (1/1) ... [2019-11-16 22:20:46,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:45" (1/1) ... [2019-11-16 22:20:46,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:45" (1/1) ... [2019-11-16 22:20:46,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:20:46,444 INFO L168 Benchmark]: Toolchain (without parser) took 2989.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 902.9 MB in the end (delta: 58.8 MB). Peak memory consumption was 58.9 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:46,446 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:20:46,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2550.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 914.3 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:46,453 INFO L168 Benchmark]: Boogie Preprocessor took 430.75 ms. Allocated memory is still 1.0 GB. Free memory was 914.3 MB in the beginning and 902.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:46,463 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2550.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 914.3 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 430.75 ms. Allocated memory is still 1.0 GB. Free memory was 914.3 MB in the beginning and 902.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...