./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/forester-heap/sll-circular-2.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/forester-heap/sll-circular-2.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 b651d63eb42259dfd3a213a6671e4c58ee528ad0 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:20:34,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:20:34,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:20:34,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:20:34,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:20:34,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:20:34,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:20:34,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:20:34,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:20:34,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:20:34,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:20:34,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:20:34,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:20:34,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:20:34,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:20:34,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:20:34,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:20:34,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:20:34,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:20:34,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:20:34,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:20:34,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:20:34,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:20:34,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:20:34,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:20:34,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:20:34,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:20:34,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:20:34,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:20:34,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:20:34,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:20:34,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:20:34,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:20:34,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:20:34,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:20:34,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:20:34,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:20:34,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:20:34,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:20:34,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:20:34,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:20:34,695 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-16 22:20:34,730 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:20:34,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:20:34,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:20:34,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:20:34,740 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:20:34,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:20:34,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:20:34,741 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:20:34,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:20:34,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:20:34,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:20:34,744 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 22:20:34,744 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 22:20:34,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:20:34,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:20:34,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:20:34,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:20:34,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:20:34,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:20:34,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:20:34,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:20:34,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:20:34,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:20:34,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:20:34,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:20:34,753 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 -> b651d63eb42259dfd3a213a6671e4c58ee528ad0 [2019-11-16 22:20:35,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:20:35,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:20:35,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:20:35,363 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:20:35,364 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:20:35,365 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-circular-2.i [2019-11-16 22:20:35,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c79d0e73/93d5d8d783ee4c528b34b8abb82cf033/FLAGbfc326f84 [2019-11-16 22:20:36,755 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:20:36,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-circular-2.i [2019-11-16 22:20:36,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c79d0e73/93d5d8d783ee4c528b34b8abb82cf033/FLAGbfc326f84 [2019-11-16 22:20:36,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c79d0e73/93d5d8d783ee4c528b34b8abb82cf033 [2019-11-16 22:20:36,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:20:36,858 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-16 22:20:36,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:36,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:20:36,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:20:36,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:36" (1/1) ... [2019-11-16 22:20:36,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7af99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:36, skipping insertion in model container [2019-11-16 22:20:36,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:36" (1/1) ... [2019-11-16 22:20:36,901 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:20:37,009 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:20:37,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:37,946 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:20:38,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:38,181 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:20:38,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:38 WrapperNode [2019-11-16 22:20:38,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:38,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:20:38,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:20:38,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:20:38,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:38" (1/1) ... [2019-11-16 22:20:38,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:38" (1/1) ... [2019-11-16 22:20:38,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:38" (1/1) ... [2019-11-16 22:20:38,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:38" (1/1) ... [2019-11-16 22:20:38,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:38" (1/1) ... [2019-11-16 22:20:38,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:38" (1/1) ... [2019-11-16 22:20:38,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:38" (1/1) ... [2019-11-16 22:20:38,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:20:38,351 INFO L168 Benchmark]: Toolchain (without parser) took 1481.94 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 978.4 MB in the end (delta: -16.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:20:38,353 INFO L168 Benchmark]: CDTParser took 0.33 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 22:20:38,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1324.84 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:38,359 INFO L168 Benchmark]: Boogie Preprocessor took 149.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:20:38,368 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 1324.84 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 149.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 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...