./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext-properties/list-ext_flag.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/list-ext-properties/list-ext_flag.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 e0d1331ff6e93d99c9a0972b6d5580bf2c78fcc5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:19:08,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:19:08,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:19:08,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:19:08,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:19:08,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:19:08,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:19:08,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:19:08,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:19:08,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:19:08,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:19:08,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:19:08,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:19:08,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:19:08,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:19:08,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:19:08,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:19:08,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:19:08,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:19:08,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:19:08,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:19:08,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:19:08,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:19:08,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:19:08,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:19:08,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:19:08,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:19:08,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:19:08,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:19:08,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:19:08,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:19:08,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:19:08,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:19:08,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:19:08,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:19:08,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:19:08,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:19:08,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:19:08,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:19:08,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:19:08,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:19:08,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 22:19:08,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:19:08,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:19:08,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:19:08,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:19:08,240 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:19:08,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:19:08,242 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:19:08,242 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:19:08,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:19:08,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:19:08,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:19:08,247 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 22:19:08,247 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 22:19:08,248 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 22:19:08,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:19:08,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:19:08,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:19:08,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:19:08,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:19:08,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:19:08,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:19:08,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:19:08,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:19:08,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:19:08,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:19:08,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:19:08,258 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 -> e0d1331ff6e93d99c9a0972b6d5580bf2c78fcc5 [2019-11-16 22:19:08,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:19:08,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:19:08,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:19:08,873 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:19:08,875 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:19:08,877 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/list-ext_flag.i [2019-11-16 22:19:09,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30ccc121e/c11a942f8a2b4522844acf08957fc792/FLAG6cb3c5517 [2019-11-16 22:19:10,273 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:19:10,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/list-ext_flag.i [2019-11-16 22:19:10,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30ccc121e/c11a942f8a2b4522844acf08957fc792/FLAG6cb3c5517 [2019-11-16 22:19:10,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30ccc121e/c11a942f8a2b4522844acf08957fc792 [2019-11-16 22:19:10,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:19:10,368 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-16 22:19:10,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:19:10,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:19:10,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:19:10,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:19:10" (1/1) ... [2019-11-16 22:19:10,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26094351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:10, skipping insertion in model container [2019-11-16 22:19:10,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:19:10" (1/1) ... [2019-11-16 22:19:10,409 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:19:10,510 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:19:11,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:19:11,407 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:19:11,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:19:11,660 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:19:11,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:11 WrapperNode [2019-11-16 22:19:11,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:19:11,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:19:11,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:19:11,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:19:11,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:11" (1/1) ... [2019-11-16 22:19:11,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:11" (1/1) ... [2019-11-16 22:19:11,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:11" (1/1) ... [2019-11-16 22:19:11,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:11" (1/1) ... [2019-11-16 22:19:11,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:11" (1/1) ... [2019-11-16 22:19:11,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:11" (1/1) ... [2019-11-16 22:19:11,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:11" (1/1) ... [2019-11-16 22:19:11,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:19:11,882 INFO L168 Benchmark]: Toolchain (without parser) took 1512.95 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 22:19:11,886 INFO L168 Benchmark]: CDTParser took 0.48 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 22:19:11,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1294.88 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 20.8 MB. Max. memory is 12.5 GB. [2019-11-16 22:19:11,892 INFO L168 Benchmark]: Boogie Preprocessor took 211.01 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 22:19:11,897 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 1294.88 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 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 211.01 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...