./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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/heap-manipulation/sll_to_dll_rev-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 65263b67fd81174d35f819c28bc33cb1f3e6621f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:20:32,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:20:32,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:20:32,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:20:32,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:20:32,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:20:32,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:20:32,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:20:32,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:20:32,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:20:32,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:20:32,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:20:32,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:20:32,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:20:32,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:20:32,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:20:32,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:20:32,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:20:32,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:20:32,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:20:32,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:20:32,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:20:32,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:20:32,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:20:32,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:20:32,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:20:32,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:20:32,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:20:32,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:20:32,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:20:32,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:20:32,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:20:32,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:20:32,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:20:32,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:20:32,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:20:32,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:20:32,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:20:32,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:20:32,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:20:32,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:20:32,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-16 22:20:32,587 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:20:32,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:20:32,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:20:32,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:20:32,594 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:20:32,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:20:32,596 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:20:32,596 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:20:32,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:20:32,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:20:32,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:20:32,599 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 22:20:32,601 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 22:20:32,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:20:32,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:20:32,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:20:32,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:20:32,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:20:32,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:20:32,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:20:32,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:20:32,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:20:32,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:20:32,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:20:32,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:20:32,608 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-memcleanup) ) 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 -> 65263b67fd81174d35f819c28bc33cb1f3e6621f [2019-11-16 22:20:33,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:20:33,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:20:33,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:20:33,251 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:20:33,253 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:20:33,256 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2019-11-16 22:20:33,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee40a539/2db18ece697a46e6b0e5e02e66299b76/FLAG16389da73 [2019-11-16 22:20:34,652 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:20:34,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2019-11-16 22:20:34,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee40a539/2db18ece697a46e6b0e5e02e66299b76/FLAG16389da73 [2019-11-16 22:20:34,736 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee40a539/2db18ece697a46e6b0e5e02e66299b76 [2019-11-16 22:20:34,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:20:34,749 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-16 22:20:34,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:34,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:20:34,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:20:34,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:34" (1/1) ... [2019-11-16 22:20:34,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e35156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:34, skipping insertion in model container [2019-11-16 22:20:34,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:34" (1/1) ... [2019-11-16 22:20:34,793 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:20:34,905 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:20:35,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:35,828 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:20:35,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:36,151 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:20:36,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:36 WrapperNode [2019-11-16 22:20:36,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:36,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:20:36,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:20:36,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:20:36,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:36" (1/1) ... [2019-11-16 22:20:36,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:36" (1/1) ... [2019-11-16 22:20:36,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:36" (1/1) ... [2019-11-16 22:20:36,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:36" (1/1) ... [2019-11-16 22:20:36,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:36" (1/1) ... [2019-11-16 22:20:36,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:36" (1/1) ... [2019-11-16 22:20:36,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:36" (1/1) ... [2019-11-16 22:20:36,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:20:36,428 INFO L168 Benchmark]: Toolchain (without parser) took 1670.53 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:20:36,431 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 22:20:36,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1407.41 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:36,442 INFO L168 Benchmark]: Boogie Preprocessor took 255.50 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:36,451 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 1407.41 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 255.50 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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...