./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/loops/invert_string-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/loops/invert_string-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash 01c8dcbf548ac0eef8cebe655947adbb13d26f9a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:20:17,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:20:17,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:20:17,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:20:17,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:20:17,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:20:17,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:20:17,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:20:17,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:20:17,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:20:17,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:20:17,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:20:17,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:20:17,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:20:17,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:20:17,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:20:17,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:20:17,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:20:17,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:20:17,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:20:17,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:20:17,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:20:17,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:20:17,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:20:17,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:20:17,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:20:17,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:20:17,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:20:17,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:20:17,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:20:17,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:20:17,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:20:17,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:20:17,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:20:17,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:20:17,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:20:17,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:20:17,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:20:17,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:20:17,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:20:17,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:20:17,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 22:20:17,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:20:17,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:20:17,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:20:17,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:20:17,974 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:20:17,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:20:17,976 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:20:17,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:20:17,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:20:17,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:20:17,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:20:17,980 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 22:20:17,980 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 22:20:17,983 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 22:20:17,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:20:17,983 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:20:17,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:20:17,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:20:17,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:20:17,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:20:17,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:20:17,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:20:17,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:20:17,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:20:17,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:20:17,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:20:17,990 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01c8dcbf548ac0eef8cebe655947adbb13d26f9a [2019-11-16 22:20:18,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:20:18,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:20:18,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:20:18,638 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:20:18,639 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:20:18,641 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-2.c [2019-11-16 22:20:18,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d17e29a/fb488cf8f6284f739492d4e5dd958bef/FLAGf78449c13 [2019-11-16 22:20:19,887 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:20:19,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-2.c [2019-11-16 22:20:19,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d17e29a/fb488cf8f6284f739492d4e5dd958bef/FLAGf78449c13 [2019-11-16 22:20:19,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d17e29a/fb488cf8f6284f739492d4e5dd958bef [2019-11-16 22:20:19,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:20:19,963 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-16 22:20:19,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:19,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:20:19,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:20:19,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:19" (1/1) ... [2019-11-16 22:20:19,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177e7349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:19, skipping insertion in model container [2019-11-16 22:20:19,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:19" (1/1) ... [2019-11-16 22:20:20,008 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:20:20,052 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:20:20,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:20,547 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:20:20,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:20,734 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:20:20,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:20 WrapperNode [2019-11-16 22:20:20,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:20,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:20:20,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:20:20,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:20:20,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:20" (1/1) ... [2019-11-16 22:20:20,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:20" (1/1) ... [2019-11-16 22:20:20,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:20" (1/1) ... [2019-11-16 22:20:20,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:20" (1/1) ... [2019-11-16 22:20:20,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:20" (1/1) ... [2019-11-16 22:20:20,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:20" (1/1) ... [2019-11-16 22:20:20,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:20" (1/1) ... [2019-11-16 22:20:20,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:20:20,887 INFO L168 Benchmark]: Toolchain (without parser) took 913.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:20:20,889 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:20:20,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:20,895 INFO L168 Benchmark]: Boogie Preprocessor took 119.36 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:20,905 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 786.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 119.36 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...