./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i --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/array-memsafety/cstrncpy-alloca-2.i -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 836fc197f01e8142cd1fe75cc7c363600c112d62 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:18:34,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:18:34,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:18:35,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:18:35,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:18:35,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:18:35,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:18:35,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:18:35,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:18:35,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:18:35,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:18:35,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:18:35,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:18:35,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:18:35,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:18:35,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:18:35,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:18:35,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:18:35,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:18:35,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:18:35,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:18:35,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:18:35,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:18:35,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:18:35,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:18:35,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:18:35,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:18:35,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:18:35,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:18:35,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:18:35,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:18:35,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:18:35,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:18:35,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:18:35,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:18:35,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:18:35,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:18:35,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:18:35,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:18:35,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:18:35,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:18:35,184 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 22:18:35,224 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:18:35,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:18:35,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:18:35,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:18:35,231 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:18:35,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:18:35,235 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:18:35,236 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:18:35,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:18:35,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:18:35,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:18:35,238 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 22:18:35,238 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 22:18:35,239 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 22:18:35,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:18:35,240 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:18:35,240 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:18:35,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:18:35,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:18:35,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:18:35,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:18:35,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:18:35,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:18:35,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:18:35,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:18:35,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:18:35,246 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 -> 836fc197f01e8142cd1fe75cc7c363600c112d62 [2019-11-16 22:18:35,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:18:35,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:18:35,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:18:35,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:18:35,930 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:18:35,932 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2019-11-16 22:18:36,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96d72c3c0/9315261c62f24a5e84f257b18d4838f7/FLAG74dbd581f [2019-11-16 22:18:37,321 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:18:37,324 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2019-11-16 22:18:37,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96d72c3c0/9315261c62f24a5e84f257b18d4838f7/FLAG74dbd581f [2019-11-16 22:18:37,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96d72c3c0/9315261c62f24a5e84f257b18d4838f7 [2019-11-16 22:18:37,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:18:37,413 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-16 22:18:37,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:18:37,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:18:37,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:18:37,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:18:37" (1/1) ... [2019-11-16 22:18:37,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa895b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:37, skipping insertion in model container [2019-11-16 22:18:37,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:18:37" (1/1) ... [2019-11-16 22:18:37,458 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:18:37,556 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:18:38,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:18:38,511 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:18:38,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:18:38,764 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:18:38,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:38 WrapperNode [2019-11-16 22:18:38,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:18:38,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:18:38,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:18:38,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:18:38,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:38" (1/1) ... [2019-11-16 22:18:38,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:38" (1/1) ... [2019-11-16 22:18:38,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:38" (1/1) ... [2019-11-16 22:18:38,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:38" (1/1) ... [2019-11-16 22:18:38,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:38" (1/1) ... [2019-11-16 22:18:38,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:38" (1/1) ... [2019-11-16 22:18:38,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:18:38" (1/1) ... [2019-11-16 22:18:38,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:18:38,971 INFO L168 Benchmark]: Toolchain (without parser) took 1547.15 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 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:18:38,972 INFO L168 Benchmark]: CDTParser took 0.43 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 22:18:38,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1352.03 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:18:38,976 INFO L168 Benchmark]: Boogie Preprocessor took 188.25 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:18:38,982 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1352.03 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 188.25 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...