./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.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-1.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 f711e8fa055cb799c5be49ac147c434ba7c6e879 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-1.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 f711e8fa055cb799c5be49ac147c434ba7c6e879 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:23:29,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:29,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:29,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:29,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:29,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:29,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:29,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:29,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:29,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:29,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:29,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:29,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:29,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:29,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:29,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:29,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:29,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:29,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:29,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:29,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:29,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:29,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:29,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:29,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:29,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:29,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:29,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:29,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:29,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:29,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:29,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:29,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:29,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:29,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:29,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:29,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:29,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:29,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:29,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:29,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:29,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:29,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:29,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:29,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:29,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:29,590 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:29,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:29,591 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:29,591 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:29,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:29,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:29,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:29,594 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:29,594 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:29,594 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:29,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:29,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:29,597 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:29,597 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:29,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:29,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:29,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:29,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:29,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:29,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:29,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:29,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:29,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:29,604 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 -> f711e8fa055cb799c5be49ac147c434ba7c6e879 [2019-11-24 22:23:30,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:30,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:30,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:30,058 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:30,060 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:30,061 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.i [2019-11-24 22:23:30,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039fb7e48/94b96290a1bc45a8bdbdd4ff71b279c2/FLAGfe94a81f7 [2019-11-24 22:23:31,002 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:31,003 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.i [2019-11-24 22:23:31,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039fb7e48/94b96290a1bc45a8bdbdd4ff71b279c2/FLAGfe94a81f7 [2019-11-24 22:23:31,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039fb7e48/94b96290a1bc45a8bdbdd4ff71b279c2 [2019-11-24 22:23:31,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:31,195 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:31,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:31,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:31,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:31,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:31,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d13d170 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 22:23:31,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:31" (1/1) ... [2019-11-24 22:23:31,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:31,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:31,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:31,956 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:32,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:32,128 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:32,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:32 WrapperNode [2019-11-24 22:23:32,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:32,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:32,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:32,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:32,152 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 22:23:32,153 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 22:23:32,189 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 22:23:32,189 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 22:23:32,238 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 22:23:32,247 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 22:23:32,254 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 22:23:32,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:32,285 INFO L168 Benchmark]: Toolchain (without parser) took 1072.45 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. [2019-11-24 22:23:32,285 INFO L168 Benchmark]: CDTParser took 0.46 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. [2019-11-24 22:23:32,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 935.39 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 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:32,291 INFO L168 Benchmark]: Boogie Preprocessor took 130.20 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 22:23:32,296 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 935.39 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 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 130.20 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 22:23:34,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:34,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:34,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:34,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:34,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:34,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:34,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:35,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:35,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:35,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:35,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:35,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:35,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:35,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:35,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:35,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:35,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:35,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:35,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:35,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:35,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:35,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:35,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:35,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:35,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:35,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:35,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:35,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:35,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:35,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:35,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:35,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:35,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:35,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:35,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:35,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:35,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:35,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:35,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:35,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:35,075 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:35,104 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:35,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:35,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:35,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:35,109 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:35,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:35,110 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:35,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:35,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:35,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:35,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:35,114 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:35,114 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:35,114 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:35,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:35,115 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:35,115 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:35,115 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:35,115 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:35,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:35,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:35,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:35,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:35,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:35,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:35,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:35,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:35,119 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:35,119 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:35,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:35,120 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 -> f711e8fa055cb799c5be49ac147c434ba7c6e879 [2019-11-24 22:23:35,571 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:35,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:35,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:35,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:35,599 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:35,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.i [2019-11-24 22:23:35,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/338b98de5/5d91f42c26754ce1b7f43647e9b2ae73/FLAG100934fa5 [2019-11-24 22:23:36,544 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:36,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.i [2019-11-24 22:23:36,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/338b98de5/5d91f42c26754ce1b7f43647e9b2ae73/FLAG100934fa5 [2019-11-24 22:23:36,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/338b98de5/5d91f42c26754ce1b7f43647e9b2ae73 [2019-11-24 22:23:36,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:36,731 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:36,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:36,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:36,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:36,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:36" (1/1) ... [2019-11-24 22:23:36,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614007da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:36, skipping insertion in model container [2019-11-24 22:23:36,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:36" (1/1) ... [2019-11-24 22:23:36,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:36,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:37,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:37,495 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:37,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:37,679 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:37,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:37 WrapperNode [2019-11-24 22:23:37,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:37,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:37,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:37,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:37,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:37" (1/1) ... [2019-11-24 22:23:37,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:37" (1/1) ... [2019-11-24 22:23:37,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:37" (1/1) ... [2019-11-24 22:23:37,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:37" (1/1) ... [2019-11-24 22:23:37,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:37" (1/1) ... [2019-11-24 22:23:37,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:37" (1/1) ... [2019-11-24 22:23:37,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:37" (1/1) ... [2019-11-24 22:23:37,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:37,836 INFO L168 Benchmark]: Toolchain (without parser) took 1099.05 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 966.8 MB in the end (delta: 651.9 kB). Peak memory consumption was 717.4 kB. Max. memory is 12.5 GB. [2019-11-24 22:23:37,837 INFO L168 Benchmark]: CDTParser took 1.73 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. [2019-11-24 22:23:37,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 949.00 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 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:37,842 INFO L168 Benchmark]: Boogie Preprocessor took 145.10 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:37,848 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.73 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 949.00 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 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 145.10 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...