./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2n_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2n_remove_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9cd680588366d8f4117005099c5fa975e5f03ed .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-simple/dll2n_remove_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9cd680588366d8f4117005099c5fa975e5f03ed .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:08,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:08,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:08,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:08,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:08,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:08,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:08,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:08,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:08,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:08,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:08,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:08,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:08,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:08,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:08,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:08,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:08,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:08,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:08,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:08,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:08,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:08,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:08,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:08,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:08,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:08,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:08,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:08,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:08,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:08,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:08,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:08,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:08,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:09,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:09,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:09,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:09,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:09,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:09,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:09,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:09,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:09,054 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:09,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:09,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:09,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:09,060 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:09,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:09,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:09,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:09,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:09,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:09,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:09,065 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:09,065 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:09,069 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:09,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:09,069 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:09,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:09,070 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:09,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:09,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:09,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:09,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:09,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:09,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:09,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:09,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:09,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:09,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9cd680588366d8f4117005099c5fa975e5f03ed [2019-11-27 11:23:09,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:09,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:09,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:09,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:09,727 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:09,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-27 11:23:09,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/373aeada5/1a5df03cabeb47ceb5b40cb83716271e/FLAGb23bff5d3 [2019-11-27 11:23:11,139 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:11,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-27 11:23:11,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/373aeada5/1a5df03cabeb47ceb5b40cb83716271e/FLAGb23bff5d3 [2019-11-27 11:23:11,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/373aeada5/1a5df03cabeb47ceb5b40cb83716271e [2019-11-27 11:23:11,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:11,225 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:11,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:11,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:11,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:11,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:11" (1/1) ... [2019-11-27 11:23:11,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9523cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:11, skipping insertion in model container [2019-11-27 11:23:11,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:11" (1/1) ... [2019-11-27 11:23:11,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:11,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:12,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:12,308 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:12,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:12,612 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:12,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:12 WrapperNode [2019-11-27 11:23:12,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:12,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:12,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:12,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:12,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:12" (1/1) ... [2019-11-27 11:23:12,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:12" (1/1) ... [2019-11-27 11:23:12,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:12" (1/1) ... [2019-11-27 11:23:12,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:12" (1/1) ... [2019-11-27 11:23:12,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:12" (1/1) ... [2019-11-27 11:23:12,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:12" (1/1) ... [2019-11-27 11:23:12,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:12" (1/1) ... [2019-11-27 11:23:12,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:12,816 INFO L168 Benchmark]: Toolchain (without parser) took 1588.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:12,821 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:12,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1387.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:12,836 INFO L168 Benchmark]: Boogie Preprocessor took 191.91 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:12,845 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 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 1387.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 191.91 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:16,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:16,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:16,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:16,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:16,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:16,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:16,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:16,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:16,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:16,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:16,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:16,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:16,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:16,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:16,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:16,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:16,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:16,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:16,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:16,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:16,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:16,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:16,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:16,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:16,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:16,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:16,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:16,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:16,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:16,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:16,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:16,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:16,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:16,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:16,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:16,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:16,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:16,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:16,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:16,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:16,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:16,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:16,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:16,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:16,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:16,790 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:16,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:16,795 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:16,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:16,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:16,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:16,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:16,798 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:16,798 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:16,799 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:16,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:16,799 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:16,799 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:16,800 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:16,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:16,800 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:16,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:16,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:16,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:16,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:16,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:16,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:16,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:16,804 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:16,805 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:16,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:16,807 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9cd680588366d8f4117005099c5fa975e5f03ed [2019-11-27 11:23:17,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:17,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:17,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:17,436 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:17,437 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:17,439 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-27 11:23:17,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2dc2efda/a14f975e091f48e9b1ac22907a68b1ee/FLAG74ffdf463 [2019-11-27 11:23:18,839 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:18,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_remove_all.i [2019-11-27 11:23:18,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2dc2efda/a14f975e091f48e9b1ac22907a68b1ee/FLAG74ffdf463 [2019-11-27 11:23:19,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2dc2efda/a14f975e091f48e9b1ac22907a68b1ee [2019-11-27 11:23:19,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:19,410 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:19,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:19,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:19,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:19,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:19" (1/1) ... [2019-11-27 11:23:19,436 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 11:23:19, skipping insertion in model container [2019-11-27 11:23:19,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:19" (1/1) ... [2019-11-27 11:23:19,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:19,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:20,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:20,481 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:20,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:20,760 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:20,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20 WrapperNode [2019-11-27 11:23:20,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:20,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:20,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:20,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:20,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:20" (1/1) ... [2019-11-27 11:23:20,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:20,968 INFO L168 Benchmark]: Toolchain (without parser) took 1556.20 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 968.2 MB in the end (delta: -783.1 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:20,973 INFO L168 Benchmark]: CDTParser took 0.34 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 11:23:20,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1340.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:20,978 INFO L168 Benchmark]: Boogie Preprocessor took 196.36 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:20,992 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1340.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 196.36 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 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...