./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/AutomizerReach.xml -i ../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a7557f09f8e1fbed7221a578047e51fd09f2dbf ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/AutomizerReach.xml -i ../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a7557f09f8e1fbed7221a578047e51fd09f2dbf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:12:20,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:20,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:20,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:20,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:20,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:20,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:20,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:20,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:20,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:20,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:20,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:20,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:20,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:20,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:20,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:20,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:20,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:20,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:20,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:20,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:20,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:20,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:20,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:20,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:20,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:20,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:20,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:20,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:20,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:20,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:20,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:20,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:20,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:20,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:20,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:20,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:20,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:20,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:20,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:20,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:20,540 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:20,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:20,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:20,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:20,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:20,587 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:20,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:20,588 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:20,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:20,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:20,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:20,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:20,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:20,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:20,593 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:20,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:20,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:20,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:20,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:20,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:20,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:20,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:20,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:20,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:20,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:20,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:20,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:20,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:20,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:20,602 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 ! call(__VERIFIER_error())) ) 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 -> 8a7557f09f8e1fbed7221a578047e51fd09f2dbf [2019-11-27 16:12:21,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:21,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:21,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:21,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:21,247 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:21,251 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2019-11-27 16:12:21,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e61cfb972/a56e000ce40a45b99f4b13803f41444a/FLAG5c96093b9 [2019-11-27 16:12:22,656 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:22,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2019-11-27 16:12:22,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e61cfb972/a56e000ce40a45b99f4b13803f41444a/FLAG5c96093b9 [2019-11-27 16:12:22,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e61cfb972/a56e000ce40a45b99f4b13803f41444a [2019-11-27 16:12:22,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:22,704 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:22,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:22,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:22,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:22,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:22" (1/1) ... [2019-11-27 16:12:22,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b7a959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:22, skipping insertion in model container [2019-11-27 16:12:22,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:22" (1/1) ... [2019-11-27 16:12:22,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:22,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:23,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:23,699 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:23,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:23,973 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:23,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23 WrapperNode [2019-11-27 16:12:23,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:23,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:23,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:23,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:23,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:24,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:24,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:24,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:24,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:23" (1/1) ... [2019-11-27 16:12:24,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:24,196 INFO L168 Benchmark]: Toolchain (without parser) took 1486.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 968.3 MB in the end (delta: -837.3 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:24,211 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-27 16:12:24,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1267.45 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 968.3 MB in the end (delta: -837.3 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:24,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.62 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:24,217 INFO L168 Benchmark]: Boogie Preprocessor took 78.21 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:24,226 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1267.45 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 968.3 MB in the end (delta: -837.3 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.62 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 78.21 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 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 0.1.24-509859d [2019-11-27 16:12:28,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:28,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:28,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:28,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:28,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:28,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:28,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:28,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:28,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:28,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:28,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:28,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:28,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:28,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:28,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:28,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:28,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:28,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:28,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:28,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:28,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:28,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:28,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:28,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:28,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:28,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:28,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:28,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:28,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:28,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:28,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:28,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:28,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:28,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:28,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:28,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:28,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:28,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:28,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:28,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:28,333 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:28,375 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:28,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:28,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:28,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:28,384 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:28,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:28,385 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:28,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:28,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:28,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:28,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:28,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:28,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:28,390 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:28,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:28,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:28,391 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:28,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:28,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:28,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:28,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:28,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:28,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:28,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:28,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:28,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:28,398 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:28,398 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:28,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:28,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:28,400 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 ! call(__VERIFIER_error())) ) 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 -> 8a7557f09f8e1fbed7221a578047e51fd09f2dbf [2019-11-27 16:12:28,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:29,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:29,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:29,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:29,024 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:29,026 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2019-11-27 16:12:29,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5f423572/fb94a390d23f44f88d142319a86d3daa/FLAGe85b906da [2019-11-27 16:12:30,390 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:30,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2019-11-27 16:12:30,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5f423572/fb94a390d23f44f88d142319a86d3daa/FLAGe85b906da [2019-11-27 16:12:30,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5f423572/fb94a390d23f44f88d142319a86d3daa [2019-11-27 16:12:30,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:30,461 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:30,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:30,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:30,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:30,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:30" (1/1) ... [2019-11-27 16:12:30,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef4d55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:30, skipping insertion in model container [2019-11-27 16:12:30,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:30" (1/1) ... [2019-11-27 16:12:30,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:30,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:31,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:31,566 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:31,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:31,845 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:31,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31 WrapperNode [2019-11-27 16:12:31,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:31,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:31,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:31,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:31,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:31,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:31,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:31,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:32,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:32,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:32,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:32,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:32,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:32,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:32,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:32,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:32,115 INFO L168 Benchmark]: Toolchain (without parser) took 1653.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 962.5 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:32,120 INFO L168 Benchmark]: CDTParser took 4.16 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 16:12:32,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1373.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 968.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:32,122 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.69 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:32,129 INFO L168 Benchmark]: Boogie Preprocessor took 124.92 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:32,139 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.16 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 1373.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 968.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 134.69 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 124.92 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...