./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.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/forester-heap/sll-simple-white-blue-1.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 5a3a274b64e7ba6d81948d0b8c45cbd715251888 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:19:54,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:19:54,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:19:54,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:19:54,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:19:54,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:19:54,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:19:54,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:19:54,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:19:54,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:19:54,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:19:54,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:19:54,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:19:54,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:19:54,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:19:54,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:19:54,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:19:54,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:19:54,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:19:54,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:19:54,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:19:54,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:19:54,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:19:54,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:19:54,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:19:54,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:19:54,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:19:54,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:19:54,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:19:54,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:19:54,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:19:54,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:19:54,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:19:54,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:19:54,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:19:54,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:19:54,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:19:54,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:19:54,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:19:54,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:19:54,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:19:54,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 22:19:54,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:19:54,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:19:54,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:19:54,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:19:54,822 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:19:54,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:19:54,824 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:19:54,824 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:19:54,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:19:54,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:19:54,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:19:54,828 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 22:19:54,829 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 22:19:54,829 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 22:19:54,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:19:54,832 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:19:54,832 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:19:54,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:19:54,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:19:54,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:19:54,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:19:54,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:19:54,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:19:54,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:19:54,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:19:54,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:19:54,839 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 -> 5a3a274b64e7ba6d81948d0b8c45cbd715251888 [2019-11-16 22:19:55,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:19:55,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:19:55,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:19:55,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:19:55,562 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:19:55,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2019-11-16 22:19:55,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e9dfeff/6454a92dcb4a4c3483b935f24f5edde9/FLAG8ee20d172 [2019-11-16 22:19:56,935 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:19:56,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2019-11-16 22:19:56,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e9dfeff/6454a92dcb4a4c3483b935f24f5edde9/FLAG8ee20d172 [2019-11-16 22:19:57,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e9dfeff/6454a92dcb4a4c3483b935f24f5edde9 [2019-11-16 22:19:57,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:19:57,025 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-16 22:19:57,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:19:57,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:19:57,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:19:57,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:19:57" (1/1) ... [2019-11-16 22:19:57,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8b300c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:57, skipping insertion in model container [2019-11-16 22:19:57,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:19:57" (1/1) ... [2019-11-16 22:19:57,069 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:19:57,175 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:19:58,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:19:58,096 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:19:58,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:19:58,315 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:19:58,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:58 WrapperNode [2019-11-16 22:19:58,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:19:58,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:19:58,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:19:58,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:19:58,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:58" (1/1) ... [2019-11-16 22:19:58,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:58" (1/1) ... [2019-11-16 22:19:58,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:58" (1/1) ... [2019-11-16 22:19:58,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:58" (1/1) ... [2019-11-16 22:19:58,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:58" (1/1) ... [2019-11-16 22:19:58,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:58" (1/1) ... [2019-11-16 22:19:58,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:19:58" (1/1) ... [2019-11-16 22:19:58,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:19:58,480 INFO L168 Benchmark]: Toolchain (without parser) took 1437.69 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 22:19:58,481 INFO L168 Benchmark]: CDTParser took 0.36 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 22:19:58,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1289.91 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 22:19:58,488 INFO L168 Benchmark]: Boogie Preprocessor took 141.18 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 22:19:58,492 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1289.91 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 141.18 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...