./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/sll_length_check-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 13de6e88afef243c8793160461f39a44fcce6b24 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/sll_length_check-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 13de6e88afef243c8793160461f39a44fcce6b24 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:28,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:28,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:29,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:29,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:29,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:29,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:29,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:29,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:29,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:29,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:29,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:29,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:29,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:29,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:29,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:29,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:29,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:29,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:29,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:29,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:29,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:29,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:29,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:29,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:29,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:29,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:29,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:29,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:29,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:29,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:29,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:29,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:29,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:29,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:29,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:29,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:29,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:29,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:29,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:29,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:29,166 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:29,204 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:29,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:29,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:29,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:29,215 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:29,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:29,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:29,216 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:29,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:29,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:29,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:29,219 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:29,219 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:29,222 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:29,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:29,223 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:29,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:29,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:29,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:29,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:29,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:29,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:29,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:29,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:29,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:29,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:29,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:29,229 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 -> 13de6e88afef243c8793160461f39a44fcce6b24 [2019-11-27 11:23:29,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:29,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:29,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:29,828 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:29,830 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:29,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-27 11:23:30,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84b852ce0/787939ded4624638973cc5ec4eb6777f/FLAG22cba92c3 [2019-11-27 11:23:31,041 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:31,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-27 11:23:31,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84b852ce0/787939ded4624638973cc5ec4eb6777f/FLAG22cba92c3 [2019-11-27 11:23:31,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84b852ce0/787939ded4624638973cc5ec4eb6777f [2019-11-27 11:23:31,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:31,125 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:31,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:31,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:31,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:31,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:31" (1/1) ... [2019-11-27 11:23:31,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:31, skipping insertion in model container [2019-11-27 11:23:31,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:31" (1/1) ... [2019-11-27 11:23:31,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:31,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:32,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:32,132 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:32,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:32,383 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:32,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32 WrapperNode [2019-11-27 11:23:32,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:32,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:32,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:32,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:32,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:32" (1/1) ... [2019-11-27 11:23:32,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:32,553 INFO L168 Benchmark]: Toolchain (without parser) took 1409.22 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 979.7 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:32,556 INFO L168 Benchmark]: CDTParser took 0.88 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. [2019-11-27 11:23:32,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1245.01 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:32,564 INFO L168 Benchmark]: Boogie Preprocessor took 145.47 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:32,572 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1245.01 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 145.47 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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-da95e15 [2019-11-27 11:23:36,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:36,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:36,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:36,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:36,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:36,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:36,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:36,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:36,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:36,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:36,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:36,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:36,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:36,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:36,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:36,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:36,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:36,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:36,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:36,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:36,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:36,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:36,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:36,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:36,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:36,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:36,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:36,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:36,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:36,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:36,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:36,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:36,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:36,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:36,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:36,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:36,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:36,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:36,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:36,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:36,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:36,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:36,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:36,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:36,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:36,615 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:36,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:36,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:36,620 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:36,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:36,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:36,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:36,622 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:36,623 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:36,623 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:36,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:36,625 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:36,625 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:36,625 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:36,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:36,628 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:36,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:36,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:36,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:36,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:36,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:36,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:36,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:36,632 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:36,632 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:36,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:36,634 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 -> 13de6e88afef243c8793160461f39a44fcce6b24 [2019-11-27 11:23:37,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:37,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:37,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:37,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:37,215 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:37,219 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-27 11:23:37,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a5ae7fe/bb90beaf2c7d429fa95c10996ea013e8/FLAG698dccea8 [2019-11-27 11:23:38,607 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:38,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2019-11-27 11:23:38,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a5ae7fe/bb90beaf2c7d429fa95c10996ea013e8/FLAG698dccea8 [2019-11-27 11:23:38,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a5ae7fe/bb90beaf2c7d429fa95c10996ea013e8 [2019-11-27 11:23:38,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:38,702 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:38,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:38,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:38,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:38,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:38" (1/1) ... [2019-11-27 11:23:38,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:38, skipping insertion in model container [2019-11-27 11:23:38,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:38" (1/1) ... [2019-11-27 11:23:38,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:38,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:39,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:39,826 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:39,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:40,078 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:40,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:40 WrapperNode [2019-11-27 11:23:40,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:40,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:40,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:40,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:40,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:40" (1/1) ... [2019-11-27 11:23:40,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:40" (1/1) ... [2019-11-27 11:23:40,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:40" (1/1) ... [2019-11-27 11:23:40,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:40" (1/1) ... [2019-11-27 11:23:40,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:40" (1/1) ... [2019-11-27 11:23:40,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:40" (1/1) ... [2019-11-27 11:23:40,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:40" (1/1) ... [2019-11-27 11:23:40,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:40,318 INFO L168 Benchmark]: Toolchain (without parser) took 1614.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:40,321 INFO L168 Benchmark]: CDTParser took 0.40 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. [2019-11-27 11:23:40,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1380.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:40,330 INFO L168 Benchmark]: Boogie Preprocessor took 226.33 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. [2019-11-27 11:23:40,336 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1380.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 226.33 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...