./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 573d04c3ab16ffed1ccac6c6179d92b670a825d7 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_nullified-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 573d04c3ab16ffed1ccac6c6179d92b670a825d7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:29:19,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:29:19,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:29:19,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:29:19,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:29:19,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:29:19,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:29:19,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:29:19,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:29:19,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:29:19,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:29:19,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:29:19,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:29:19,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:29:19,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:29:19,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:29:19,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:29:19,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:29:19,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:29:19,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:29:19,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:29:19,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:29:19,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:29:19,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:29:19,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:29:19,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:29:19,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:29:19,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:29:19,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:29:19,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:29:19,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:29:19,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:29:19,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:29:19,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:29:19,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:29:19,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:29:19,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:29:19,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:29:19,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:29:19,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:29:19,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:29:19,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-26 00:29:19,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:29:19,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:29:19,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:29:19,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:29:19,573 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:29:19,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:29:19,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:29:19,574 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:29:19,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:29:19,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:29:19,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:29:19,579 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:29:19,579 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:29:19,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:29:19,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:29:19,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:29:19,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:29:19,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:29:19,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:29:19,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:29:19,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:29:19,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:29:19,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:29:19,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:29:19,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:29:19,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:29:19,590 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-memcleanup) ) 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 -> 573d04c3ab16ffed1ccac6c6179d92b670a825d7 [2019-11-26 00:29:20,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:29:20,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:29:20,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:29:20,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:29:20,167 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:29:20,171 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2019-11-26 00:29:20,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/663a8298b/08b1c09494784850b00459694240eaca/FLAG70765c34e [2019-11-26 00:29:21,600 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:29:21,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2019-11-26 00:29:21,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/663a8298b/08b1c09494784850b00459694240eaca/FLAG70765c34e [2019-11-26 00:29:21,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/663a8298b/08b1c09494784850b00459694240eaca [2019-11-26 00:29:21,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:29:21,693 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:29:21,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:21,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:29:21,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:29:21,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:21" (1/1) ... [2019-11-26 00:29:21,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33dff637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:21, skipping insertion in model container [2019-11-26 00:29:21,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:21" (1/1) ... [2019-11-26 00:29:21,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:29:21,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:29:22,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:22,803 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:29:22,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:23,069 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:29:23,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:23 WrapperNode [2019-11-26 00:29:23,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:23,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:29:23,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:29:23,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:29:23,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:23" (1/1) ... [2019-11-26 00:29:23,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:23" (1/1) ... [2019-11-26 00:29:23,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:23" (1/1) ... [2019-11-26 00:29:23,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:23" (1/1) ... [2019-11-26 00:29:23,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:23" (1/1) ... [2019-11-26 00:29:23,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:23" (1/1) ... [2019-11-26 00:29:23,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:23" (1/1) ... [2019-11-26 00:29:23,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:29:23,255 INFO L168 Benchmark]: Toolchain (without parser) took 1560.04 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. [2019-11-26 00:29:23,260 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:29:23,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1378.58 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. [2019-11-26 00:29:23,265 INFO L168 Benchmark]: Boogie Preprocessor took 169.78 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. [2019-11-26 00:29:23,272 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1378.58 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 169.78 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 0.1.24-65d6cd2 [2019-11-26 00:29:27,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:29:27,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:29:27,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:29:27,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:29:27,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:29:27,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:29:27,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:29:27,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:29:27,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:29:27,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:29:27,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:29:27,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:29:27,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:29:27,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:29:27,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:29:27,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:29:27,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:29:27,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:29:27,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:29:27,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:29:27,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:29:27,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:29:27,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:29:27,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:29:27,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:29:27,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:29:27,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:29:27,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:29:27,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:29:27,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:29:27,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:29:27,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:29:27,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:29:27,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:29:27,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:29:27,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:29:27,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:29:27,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:29:27,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:29:27,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:29:27,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-26 00:29:27,320 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:29:27,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:29:27,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:29:27,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:29:27,328 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:29:27,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:29:27,330 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:29:27,330 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:29:27,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:29:27,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:29:27,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:29:27,335 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:29:27,335 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:29:27,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:29:27,336 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:29:27,339 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:29:27,339 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:29:27,340 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:29:27,340 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:29:27,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:29:27,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:29:27,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:29:27,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:29:27,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:29:27,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:29:27,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:29:27,346 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:29:27,346 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:29:27,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:29:27,349 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-memcleanup) ) 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 -> 573d04c3ab16ffed1ccac6c6179d92b670a825d7 [2019-11-26 00:29:27,898 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:29:27,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:29:27,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:29:27,944 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:29:27,945 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:29:27,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2019-11-26 00:29:28,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9835db7/7e06c76d132841828f51e03ccc12fdb1/FLAGd4a543c73 [2019-11-26 00:29:29,344 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:29:29,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2019-11-26 00:29:29,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9835db7/7e06c76d132841828f51e03ccc12fdb1/FLAGd4a543c73 [2019-11-26 00:29:29,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9835db7/7e06c76d132841828f51e03ccc12fdb1 [2019-11-26 00:29:29,427 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:29:29,432 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:29:29,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:29,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:29:29,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:29:29,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:29" (1/1) ... [2019-11-26 00:29:29,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1636fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:29, skipping insertion in model container [2019-11-26 00:29:29,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:29" (1/1) ... [2019-11-26 00:29:29,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:29:29,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:29:30,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:30,433 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:29:30,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:30,730 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:29:30,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:30 WrapperNode [2019-11-26 00:29:30,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:30,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:29:30,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:29:30,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:29:30,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:30" (1/1) ... [2019-11-26 00:29:30,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:30" (1/1) ... [2019-11-26 00:29:30,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:30" (1/1) ... [2019-11-26 00:29:30,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:30" (1/1) ... [2019-11-26 00:29:30,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:30" (1/1) ... [2019-11-26 00:29:30,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:30" (1/1) ... [2019-11-26 00:29:30,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:30" (1/1) ... [2019-11-26 00:29:30,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:29:30,997 INFO L168 Benchmark]: Toolchain (without parser) took 1553.79 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 966.7 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:29:30,998 INFO L168 Benchmark]: CDTParser took 1.01 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. [2019-11-26 00:29:31,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1296.40 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 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:31,004 INFO L168 Benchmark]: Boogie Preprocessor took 245.11 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:31,022 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01 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 1296.40 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 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 245.11 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 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...