./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 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-ext3-properties/sll_circular_traversal-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 8aeee5b79c4aa76b6157129a026e191e5e1fb5dc ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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-ext3-properties/sll_circular_traversal-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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 8aeee5b79c4aa76b6157129a026e191e5e1fb5dc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:36,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:36,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:36,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:36,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:36,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:36,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:36,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:36,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:36,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:36,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:36,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:36,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:36,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:36,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:36,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:36,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:36,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:36,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:36,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:36,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:36,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:36,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:36,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:36,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:36,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:36,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:36,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:36,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:36,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:36,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:36,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:36,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:36,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:36,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:36,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:36,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:36,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:36,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:36,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:36,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:36,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:36,169 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:36,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:36,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:36,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:36,177 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:36,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:36,177 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:36,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:36,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:36,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:36,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:36,179 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:36,179 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:36,180 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:36,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:36,182 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:36,182 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:36,182 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:36,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:36,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:36,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:36,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:36,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:36,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:36,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:36,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:36,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:36,188 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 -> 8aeee5b79c4aa76b6157129a026e191e5e1fb5dc [2019-11-24 22:23:36,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:36,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:36,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:36,654 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:36,657 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:36,658 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i [2019-11-24 22:23:36,755 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd355a8f/5f1fed9f09704d3bb661030041a64186/FLAG8c114fd09 [2019-11-24 22:23:37,600 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:37,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i [2019-11-24 22:23:37,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd355a8f/5f1fed9f09704d3bb661030041a64186/FLAG8c114fd09 [2019-11-24 22:23:37,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd355a8f/5f1fed9f09704d3bb661030041a64186 [2019-11-24 22:23:37,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:37,792 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:37,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:37,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:37,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:37,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:37" (1/1) ... [2019-11-24 22:23:37,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be22f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:37, skipping insertion in model container [2019-11-24 22:23:37,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:37" (1/1) ... [2019-11-24 22:23:37,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:37,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:38,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:38,552 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:38,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:38,743 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:38,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:38 WrapperNode [2019-11-24 22:23:38,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:38,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:38,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:38,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:38,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:38" (1/1) ... [2019-11-24 22:23:38,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:38" (1/1) ... [2019-11-24 22:23:38,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:38" (1/1) ... [2019-11-24 22:23:38,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:38" (1/1) ... [2019-11-24 22:23:38,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:38" (1/1) ... [2019-11-24 22:23:38,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:38" (1/1) ... [2019-11-24 22:23:38,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:38" (1/1) ... [2019-11-24 22:23:38,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:38,919 INFO L168 Benchmark]: Toolchain (without parser) took 1126.10 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: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:38,923 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-24 22:23:38,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 941.97 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: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:38,934 INFO L168 Benchmark]: Boogie Preprocessor took 165.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:38,943 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 941.97 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: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 165.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:23:41,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:41,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:41,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:41,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:41,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:41,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:41,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:41,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:41,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:41,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:41,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:41,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:41,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:41,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:41,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:41,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:41,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:41,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:41,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:41,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:41,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:41,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:41,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:41,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:41,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:41,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:41,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:41,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:41,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:41,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:41,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:41,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:41,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:41,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:41,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:41,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:41,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:41,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:41,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:41,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:41,811 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:41,838 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:41,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:41,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:41,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:41,846 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:41,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:41,846 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:41,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:41,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:41,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:41,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:41,848 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:41,848 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:41,849 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:41,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:41,849 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:41,851 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:41,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:41,851 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:41,851 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:41,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:41,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:41,852 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:41,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:41,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:41,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:41,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:41,854 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:41,854 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:41,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:41,856 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 8aeee5b79c4aa76b6157129a026e191e5e1fb5dc [2019-11-24 22:23:42,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:42,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:42,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:42,295 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:42,295 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:42,296 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i [2019-11-24 22:23:42,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78bbeba2a/47d25fc879d040d29013990c1977ac80/FLAGdc8dc685c [2019-11-24 22:23:43,273 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:43,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i [2019-11-24 22:23:43,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78bbeba2a/47d25fc879d040d29013990c1977ac80/FLAGdc8dc685c [2019-11-24 22:23:43,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78bbeba2a/47d25fc879d040d29013990c1977ac80 [2019-11-24 22:23:43,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:43,452 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:43,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:43,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:43,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:43,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:43,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:43, skipping insertion in model container [2019-11-24 22:23:43,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:43" (1/1) ... [2019-11-24 22:23:43,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:43,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:44,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:44,237 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:44,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:44,436 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:44,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:44 WrapperNode [2019-11-24 22:23:44,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:44,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:44,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:44,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:44,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:44" (1/1) ... [2019-11-24 22:23:44,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:44" (1/1) ... [2019-11-24 22:23:44,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:44" (1/1) ... [2019-11-24 22:23:44,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:44" (1/1) ... [2019-11-24 22:23:44,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:44" (1/1) ... [2019-11-24 22:23:44,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:44" (1/1) ... [2019-11-24 22:23:44,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:44" (1/1) ... [2019-11-24 22:23:44,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:44,580 INFO L168 Benchmark]: Toolchain (without parser) took 1123.86 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 968.2 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:44,581 INFO L168 Benchmark]: CDTParser took 2.37 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. [2019-11-24 22:23:44,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 980.90 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 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:44,582 INFO L168 Benchmark]: Boogie Preprocessor took 135.71 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:44,597 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.37 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 980.90 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 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 135.71 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 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...