./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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/dll_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 bebd3708d0e1127b0953933828504d3490382862 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/dll_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 bebd3708d0e1127b0953933828504d3490382862 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:57,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:57,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:57,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:57,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:57,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:57,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:57,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:57,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:57,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:57,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:57,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:57,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:57,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:57,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:57,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:57,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:57,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:57,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:57,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:57,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:57,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:57,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:57,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:57,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:57,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:57,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:57,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:57,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:57,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:57,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:57,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:57,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:57,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:57,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:57,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:58,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:58,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:58,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:58,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:58,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:58,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:58,051 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:58,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:58,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:58,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:58,059 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:58,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:58,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:58,062 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:58,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:58,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:58,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:58,065 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:58,066 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:58,066 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:58,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:58,069 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:58,069 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:58,070 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:58,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:58,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:58,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:58,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:58,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:58,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:58,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:58,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:58,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:58,075 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 -> bebd3708d0e1127b0953933828504d3490382862 [2019-11-26 00:27:58,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:58,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:58,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:58,722 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:58,722 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:58,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2019-11-26 00:27:58,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5211d6a14/48f51f85e9be4e3e9d8bf9b18ef254c9/FLAG07a6f193f [2019-11-26 00:28:00,147 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:00,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2019-11-26 00:28:00,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5211d6a14/48f51f85e9be4e3e9d8bf9b18ef254c9/FLAG07a6f193f [2019-11-26 00:28:00,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5211d6a14/48f51f85e9be4e3e9d8bf9b18ef254c9 [2019-11-26 00:28:00,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:00,243 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:00,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:00,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:00,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:00,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b7a959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:00, skipping insertion in model container [2019-11-26 00:28:00,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:00" (1/1) ... [2019-11-26 00:28:00,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:00,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:01,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:01,363 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:01,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:01,611 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:01,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01 WrapperNode [2019-11-26 00:28:01,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:01,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:01,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:01,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:01,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:01" (1/1) ... [2019-11-26 00:28:01,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:01,798 INFO L168 Benchmark]: Toolchain (without parser) took 1548.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:01,803 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:01,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1370.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:01,809 INFO L168 Benchmark]: Boogie Preprocessor took 169.80 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. [2019-11-26 00:28:01,815 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1370.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 169.80 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 0.1.24-65d6cd2 [2019-11-26 00:28:05,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:05,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:05,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:05,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:05,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:05,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:05,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:05,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:05,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:05,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:05,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:05,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:05,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:05,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:05,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:05,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:05,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:05,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:05,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:05,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:05,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:05,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:05,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:05,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:05,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:05,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:05,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:05,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:05,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:05,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:05,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:05,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:05,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:05,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:05,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:05,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:05,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:05,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:05,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:05,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:05,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:05,855 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:05,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:05,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:05,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:05,864 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:05,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:05,867 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:05,868 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:05,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:05,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:05,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:05,870 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:05,872 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:05,872 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:05,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:05,873 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:05,875 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:05,875 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:05,875 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:05,876 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:05,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:05,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:05,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:05,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:05,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:05,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:05,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:05,881 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:05,881 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:05,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:05,883 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 -> bebd3708d0e1127b0953933828504d3490382862 [2019-11-26 00:28:06,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:06,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:06,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:06,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:06,586 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:06,588 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2019-11-26 00:28:06,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3569bebe3/fae88a278b5546d6b909ab3172847384/FLAGfbe25c081 [2019-11-26 00:28:07,987 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:07,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2019-11-26 00:28:08,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3569bebe3/fae88a278b5546d6b909ab3172847384/FLAGfbe25c081 [2019-11-26 00:28:08,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3569bebe3/fae88a278b5546d6b909ab3172847384 [2019-11-26 00:28:08,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:08,059 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:08,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:08,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:08,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:08,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:08" (1/1) ... [2019-11-26 00:28:08,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b7a959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:08, skipping insertion in model container [2019-11-26 00:28:08,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:08" (1/1) ... [2019-11-26 00:28:08,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:08,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:09,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:09,161 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:09,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:09,466 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:09,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09 WrapperNode [2019-11-26 00:28:09,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:09,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:09,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:09,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:09,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:09" (1/1) ... [2019-11-26 00:28:09,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:09,664 INFO L168 Benchmark]: Toolchain (without parser) took 1602.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 962.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:09,670 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:09,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1397.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 968.2 MB in the end (delta: -787.0 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:09,676 INFO L168 Benchmark]: Boogie Preprocessor took 184.69 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:09,695 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1397.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 968.2 MB in the end (delta: -787.0 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 184.69 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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...