./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_append_equal.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_append_equal.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 1f3e231c5b77f9ab25b28372001f508e3e47c051 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_append_equal.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 1f3e231c5b77f9ab25b28372001f508e3e47c051 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:22,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:22,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:22,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:22,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:22,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:22,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:22,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:22,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:22,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:22,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:22,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:22,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:22,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:22,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:22,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:22,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:22,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:22,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:22,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:22,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:22,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:22,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:22,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:22,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:22,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:22,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:22,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:22,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:22,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:22,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:22,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:22,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:22,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:22,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:22,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:22,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:22,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:22,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:22,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:22,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:22,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:22,315 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:22,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:22,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:22,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:22,320 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:22,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:22,321 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:22,321 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:22,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:22,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:22,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:22,322 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:22,322 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:22,323 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:22,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:22,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:22,323 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:22,324 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:22,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:22,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:22,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:22,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:22,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:22,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:22,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:22,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:22,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:22,329 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 -> 1f3e231c5b77f9ab25b28372001f508e3e47c051 [2019-11-27 17:45:22,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:22,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:22,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:22,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:22,976 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:22,977 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_equal.i [2019-11-27 17:45:23,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6803d264f/dc00dec3a05e4459bd182dab1940ddae/FLAG8594da2f4 [2019-11-27 17:45:24,374 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:24,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_equal.i [2019-11-27 17:45:24,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6803d264f/dc00dec3a05e4459bd182dab1940ddae/FLAG8594da2f4 [2019-11-27 17:45:24,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6803d264f/dc00dec3a05e4459bd182dab1940ddae [2019-11-27 17:45:24,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:24,457 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:24,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:24,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:24,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:24,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:24" (1/1) ... [2019-11-27 17:45:24,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7f4e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:24, skipping insertion in model container [2019-11-27 17:45:24,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:24" (1/1) ... [2019-11-27 17:45:24,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:24,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:25,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:25,519 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:25,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:25,796 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:25,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25 WrapperNode [2019-11-27 17:45:25,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:25,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:25,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:25,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:25,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:26,003 INFO L168 Benchmark]: Toolchain (without parser) took 1533.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:26,004 INFO L168 Benchmark]: CDTParser took 0.81 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 17:45:26,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1333.31 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 17:45:26,020 INFO L168 Benchmark]: Boogie Preprocessor took 189.45 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:26,026 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 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 1333.31 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 189.45 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:29,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:29,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:29,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:29,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:29,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:29,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:29,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:29,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:29,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:29,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:29,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:29,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:29,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:29,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:29,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:29,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:29,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:29,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:29,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:29,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:29,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:29,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:29,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:29,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:29,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:29,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:29,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:29,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:29,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:29,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:29,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:29,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:29,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:29,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:29,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:29,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:29,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:29,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:29,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:29,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:29,970 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:30,009 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:30,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:30,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:30,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:30,017 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:30,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:30,020 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:30,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:30,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:30,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:30,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:30,025 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:30,025 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:30,026 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:30,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:30,026 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:30,027 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:30,027 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:30,027 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:30,028 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:30,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:30,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:30,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:30,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:30,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:30,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:30,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:30,033 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:30,033 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:30,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:30,036 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 -> 1f3e231c5b77f9ab25b28372001f508e3e47c051 [2019-11-27 17:45:30,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:30,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:30,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:30,670 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:30,672 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:30,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_equal.i [2019-11-27 17:45:30,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16607b6ef/1c529e9db91e474996ec34ee4c08e3ac/FLAGd5ba0053c [2019-11-27 17:45:32,039 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:32,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_equal.i [2019-11-27 17:45:32,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16607b6ef/1c529e9db91e474996ec34ee4c08e3ac/FLAGd5ba0053c [2019-11-27 17:45:32,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16607b6ef/1c529e9db91e474996ec34ee4c08e3ac [2019-11-27 17:45:32,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:32,544 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:32,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:32,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:32,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:32,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:32" (1/1) ... [2019-11-27 17:45:32,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119fd03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:32, skipping insertion in model container [2019-11-27 17:45:32,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:32" (1/1) ... [2019-11-27 17:45:32,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:32,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:33,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:33,606 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:33,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:33,898 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:33,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33 WrapperNode [2019-11-27 17:45:33,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:33,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:33,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:33,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:33,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:33,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:33,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:33,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:34,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:34,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:34,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:33" (1/1) ... [2019-11-27 17:45:34,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:34,113 INFO L168 Benchmark]: Toolchain (without parser) took 1561.88 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: -807.0 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:34,115 INFO L168 Benchmark]: CDTParser took 0.39 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 17:45:34,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1350.03 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 974.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:34,128 INFO L168 Benchmark]: Boogie Preprocessor took 203.80 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 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 17:45:34,146 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1350.03 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 974.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 203.80 ms. Allocated memory is still 1.0 GB. Free memory was 974.0 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...