./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 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/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 0.1.24-509859d [2019-11-27 17:47:09,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:09,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:09,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:09,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:09,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:09,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:09,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:09,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:09,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:09,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:09,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:09,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:09,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:09,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:09,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:09,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:09,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:09,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:09,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:09,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:09,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:09,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:09,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:09,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:09,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:09,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:09,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:09,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:09,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:09,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:09,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:09,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:09,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:09,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:09,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:09,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:09,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:09,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:09,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:09,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:09,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 17:47:09,346 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:09,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:09,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:09,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:09,352 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:09,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:09,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:09,353 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:09,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:09,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:09,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:09,356 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:09,356 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:09,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:09,359 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:09,359 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:09,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:09,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:09,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:09,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:09,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:09,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:09,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:09,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:09,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:47:09,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:47:09,361 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 [2019-11-27 17:47:09,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:09,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:09,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:09,870 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:09,873 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:09,874 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2019-11-27 17:47:09,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ebca5b43/464a93b547f0415abd949ffb483113e5/FLAGab0bfc650 [2019-11-27 17:47:10,821 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:10,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2019-11-27 17:47:10,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ebca5b43/464a93b547f0415abd949ffb483113e5/FLAGab0bfc650 [2019-11-27 17:47:11,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ebca5b43/464a93b547f0415abd949ffb483113e5 [2019-11-27 17:47:11,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:11,027 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:11,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:11,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:11,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:11,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:11" (1/1) ... [2019-11-27 17:47:11,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:11, skipping insertion in model container [2019-11-27 17:47:11,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:11" (1/1) ... [2019-11-27 17:47:11,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:11,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:11,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:11,839 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:11,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:12,035 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:12,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:12 WrapperNode [2019-11-27 17:47:12,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:12,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:12,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:12,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:12,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:12" (1/1) ... [2019-11-27 17:47:12,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:12" (1/1) ... [2019-11-27 17:47:12,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:12" (1/1) ... [2019-11-27 17:47:12,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:12" (1/1) ... [2019-11-27 17:47:12,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:12" (1/1) ... [2019-11-27 17:47:12,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:12" (1/1) ... [2019-11-27 17:47:12,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:12" (1/1) ... [2019-11-27 17:47:12,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:12,177 INFO L168 Benchmark]: Toolchain (without parser) took 1135.48 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 978.3 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:12,180 INFO L168 Benchmark]: CDTParser took 0.92 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 17:47:12,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1005.79 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:12,185 INFO L168 Benchmark]: Boogie Preprocessor took 119.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:12,187 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 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 1005.79 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 119.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 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 17:47:14,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:14,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:14,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:14,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:14,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:14,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:14,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:14,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:14,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:14,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:14,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:14,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:14,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:14,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:14,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:14,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:14,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:14,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:14,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:14,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:15,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:15,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:15,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:15,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:15,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:15,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:15,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:15,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:15,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:15,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:15,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:15,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:15,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:15,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:15,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:15,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:15,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:15,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:15,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:15,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:15,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 17:47:15,062 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:15,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:15,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:15,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:15,068 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:15,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:15,068 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:15,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:15,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:15,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:15,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:15,071 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:15,071 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:15,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:15,073 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:15,073 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:47:15,073 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:47:15,073 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:15,073 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:15,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:15,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:15,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:15,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:15,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:15,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:15,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:15,077 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:47:15,077 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:47:15,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:47:15,079 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 [2019-11-27 17:47:15,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:15,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:15,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:15,569 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:15,570 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:15,571 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2019-11-27 17:47:15,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a9b77f2/891a1a3d13614481bc06b85e982748ff/FLAG9c38f48bf [2019-11-27 17:47:16,531 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:16,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2019-11-27 17:47:16,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a9b77f2/891a1a3d13614481bc06b85e982748ff/FLAG9c38f48bf [2019-11-27 17:47:16,731 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a9b77f2/891a1a3d13614481bc06b85e982748ff [2019-11-27 17:47:16,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:16,737 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:16,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:16,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:16,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:16,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:16" (1/1) ... [2019-11-27 17:47:16,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f80d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:16, skipping insertion in model container [2019-11-27 17:47:16,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:16" (1/1) ... [2019-11-27 17:47:16,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:16,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:17,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:17,549 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:17,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:17,750 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:17,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17 WrapperNode [2019-11-27 17:47:17,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:17,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:17,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:17,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:17,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:17" (1/1) ... [2019-11-27 17:47:17,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:17,909 INFO L168 Benchmark]: Toolchain (without parser) took 1170.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 966.9 MB in the end (delta: -8.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:17,911 INFO L168 Benchmark]: CDTParser took 0.66 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 17:47:17,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1000.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 972.6 MB in the end (delta: -13.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:17,917 INFO L168 Benchmark]: Boogie Preprocessor took 147.11 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:17,933 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 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 1000.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 972.6 MB in the end (delta: -13.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 147.11 ms. Allocated memory is still 1.0 GB. Free memory was 972.6 MB in the beginning and 966.9 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...