./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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-simple/dll2c_remove_all_reverse.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 1a84b349ed554162d37455efc2adb7bf93e2048b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll2c_remove_all_reverse.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 1a84b349ed554162d37455efc2adb7bf93e2048b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:26,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:26,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:26,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:26,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:26,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:26,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:26,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:26,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:26,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:26,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:26,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:26,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:26,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:26,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:26,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:26,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:26,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:26,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:26,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:26,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:26,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:26,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:26,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:26,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:26,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:26,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:26,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:26,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:26,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:26,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:26,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:26,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:26,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:26,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:26,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:26,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:26,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:26,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:26,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:26,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:26,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:26,261 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:26,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:26,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:26,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:26,270 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:26,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:26,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:26,271 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:26,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:26,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:26,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:26,275 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:26,277 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:26,278 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:26,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:26,278 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:26,279 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:26,279 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:26,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:26,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:26,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:26,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:26,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:26,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:26,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:26,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:26,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:26,288 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 -> 1a84b349ed554162d37455efc2adb7bf93e2048b [2019-11-27 17:45:26,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:26,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:26,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:26,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:26,939 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:26,940 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2019-11-27 17:45:27,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b78a8cd/78462dcbe8b74308b751bf33249faf37/FLAGf6ed333bc [2019-11-27 17:45:28,294 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:28,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2019-11-27 17:45:28,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b78a8cd/78462dcbe8b74308b751bf33249faf37/FLAGf6ed333bc [2019-11-27 17:45:28,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b78a8cd/78462dcbe8b74308b751bf33249faf37 [2019-11-27 17:45:28,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:28,417 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:28,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:28,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:28,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:28,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:28" (1/1) ... [2019-11-27 17:45:28,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e52e31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:28, skipping insertion in model container [2019-11-27 17:45:28,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:28" (1/1) ... [2019-11-27 17:45:28,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:28,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:29,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:29,421 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:29,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:29,696 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:29,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:29 WrapperNode [2019-11-27 17:45:29,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:29,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:29,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:29,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:29,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:29" (1/1) ... [2019-11-27 17:45:29,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:29" (1/1) ... [2019-11-27 17:45:29,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:29" (1/1) ... [2019-11-27 17:45:29,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:29" (1/1) ... [2019-11-27 17:45:29,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:29" (1/1) ... [2019-11-27 17:45:29,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:29" (1/1) ... [2019-11-27 17:45:29,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:29" (1/1) ... [2019-11-27 17:45:29,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:29,881 INFO L168 Benchmark]: Toolchain (without parser) took 1453.93 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 972.5 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:29,887 INFO L168 Benchmark]: CDTParser took 2.55 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 17:45:29,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1279.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:29,895 INFO L168 Benchmark]: Boogie Preprocessor took 163.94 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 17:45:29,899 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.55 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 1279.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 163.94 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 0.1.24-509859d [2019-11-27 17:45:33,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:33,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:33,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:33,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:33,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:33,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:33,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:33,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:33,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:33,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:33,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:33,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:33,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:33,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:33,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:33,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:33,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:33,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:33,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:33,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:33,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:33,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:33,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:33,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:33,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:33,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:33,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:33,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:33,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:33,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:33,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:33,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:33,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:34,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:34,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:34,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:34,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:34,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:34,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:34,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:34,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:34,050 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:34,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:34,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:34,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:34,059 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:34,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:34,059 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:34,060 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:34,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:34,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:34,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:34,064 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:34,065 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:34,065 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:34,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:34,066 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:34,066 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:34,066 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:34,067 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:34,067 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:34,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:34,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:34,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:34,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:34,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:34,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:34,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:34,072 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:34,075 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:34,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:34,077 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 -> 1a84b349ed554162d37455efc2adb7bf93e2048b [2019-11-27 17:45:34,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:34,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:34,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:34,759 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:34,761 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:34,765 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2019-11-27 17:45:34,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7f541ca/60295cae207d4470a9154c4c72b7a039/FLAGe3ec92b4c [2019-11-27 17:45:36,077 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:36,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2019-11-27 17:45:36,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7f541ca/60295cae207d4470a9154c4c72b7a039/FLAGe3ec92b4c [2019-11-27 17:45:36,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7f541ca/60295cae207d4470a9154c4c72b7a039 [2019-11-27 17:45:36,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:36,185 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:36,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:36,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:36,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:36,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:36" (1/1) ... [2019-11-27 17:45:36,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e52e31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:36, skipping insertion in model container [2019-11-27 17:45:36,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:36" (1/1) ... [2019-11-27 17:45:36,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:36,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:37,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:37,263 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:37,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:37,556 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:37,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37 WrapperNode [2019-11-27 17:45:37,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:37,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:37,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:37,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:37,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:37" (1/1) ... [2019-11-27 17:45:37,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:37,793 INFO L168 Benchmark]: Toolchain (without parser) took 1595.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.2 MB in the end (delta: -7.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:37,794 INFO L168 Benchmark]: CDTParser took 0.57 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 17:45:37,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1365.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 973.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:37,802 INFO L168 Benchmark]: Boogie Preprocessor took 214.85 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 17:45:37,815 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 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 1365.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 973.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 214.85 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...