./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 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/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 0.1.24-32f2683 [2019-11-24 22:23:30,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:30,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:30,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:30,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:30,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:30,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:30,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:30,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:30,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:30,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:30,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:30,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:30,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:30,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:30,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:30,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:30,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:30,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:30,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:30,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:30,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:30,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:30,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:30,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:30,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:30,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:30,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:30,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:30,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:30,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:30,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:30,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:30,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:30,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:30,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:30,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:30,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:30,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:30,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:30,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:30,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:30,284 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:30,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:30,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:30,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:30,288 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:30,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:30,288 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:30,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:30,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:30,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:30,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:30,292 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:30,292 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:30,292 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:30,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:30,293 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:30,293 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:30,293 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:30,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:30,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:30,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:30,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:30,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:30,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:30,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:30,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:30,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:30,298 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 [2019-11-24 22:23:30,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:30,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:30,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:30,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:30,741 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:30,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2019-11-24 22:23:30,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a8ed8e8c/34235058330e46fb9e6c07c5d5b622c7/FLAGcc0d29dcc [2019-11-24 22:23:31,643 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:31,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2019-11-24 22:23:31,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a8ed8e8c/34235058330e46fb9e6c07c5d5b622c7/FLAGcc0d29dcc [2019-11-24 22:23:31,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a8ed8e8c/34235058330e46fb9e6c07c5d5b622c7 [2019-11-24 22:23:31,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:31,866 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:31,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:31,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:31,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:31,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:31,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8474bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:31, skipping insertion in model container [2019-11-24 22:23:31,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:31,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:31,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:32,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:32,587 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:32,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:32,758 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:32,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:32 WrapperNode [2019-11-24 22:23:32,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:32,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:32,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:32,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:32,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:32" (1/1) ... [2019-11-24 22:23:32,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:32,905 INFO L168 Benchmark]: Toolchain (without parser) took 1035.98 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 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:32,911 INFO L168 Benchmark]: CDTParser took 0.43 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 22:23:32,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 887.71 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 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:32,921 INFO L168 Benchmark]: Boogie Preprocessor took 139.34 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:32,924 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 887.71 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 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 139.34 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 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 22:23:35,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:35,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:35,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:35,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:35,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:35,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:35,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:35,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:35,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:35,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:35,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:35,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:35,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:35,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:35,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:35,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:35,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:35,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:35,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:35,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:35,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:35,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:35,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:35,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:35,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:35,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:35,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:35,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:35,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:35,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:35,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:35,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:35,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:35,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:35,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:35,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:35,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:35,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:35,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:35,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:35,682 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:35,711 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:35,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:35,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:35,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:35,716 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:35,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:35,717 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:35,717 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:35,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:35,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:35,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:35,720 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:35,720 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:35,720 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:35,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:35,721 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:35,721 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:35,724 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:35,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:35,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:35,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:35,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:35,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:35,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:35,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:35,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:35,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:35,726 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:35,726 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:35,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:35,727 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 [2019-11-24 22:23:36,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:36,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:36,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:36,210 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:36,211 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:36,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2019-11-24 22:23:36,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e17000ca2/74c245e088f84e06a3f8dda6672fa37e/FLAG967ce8218 [2019-11-24 22:23:37,141 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:37,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2019-11-24 22:23:37,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e17000ca2/74c245e088f84e06a3f8dda6672fa37e/FLAG967ce8218 [2019-11-24 22:23:37,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e17000ca2/74c245e088f84e06a3f8dda6672fa37e [2019-11-24 22:23:37,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:37,352 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:37,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:37,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:37,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:37,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:37" (1/1) ... [2019-11-24 22:23:37,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54771fda 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 22:23:37,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:37" (1/1) ... [2019-11-24 22:23:37,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:37,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:38,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:38,089 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:38,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:38,275 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:38,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:38 WrapperNode [2019-11-24 22:23:38,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:38,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:38,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:38,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:38,290 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 22:23:38,291 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 22:23:38,334 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 22:23:38,334 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 22:23:38,385 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 22:23:38,406 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 22:23:38,413 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 22:23:38,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:38,430 INFO L168 Benchmark]: Toolchain (without parser) took 1076.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.8 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:38,431 INFO L168 Benchmark]: CDTParser took 1.95 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 22:23:38,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 918.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.6 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:38,442 INFO L168 Benchmark]: Boogie Preprocessor took 149.22 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:38,451 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.95 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 918.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.6 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 149.22 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...