./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/heap-manipulation/merge_sort-2.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/heap-manipulation/merge_sort-2.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 e6399ca05df7547b7620299987a8a06e9e2c006b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/heap-manipulation/merge_sort-2.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 e6399ca05df7547b7620299987a8a06e9e2c006b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:44:58,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:44:58,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:44:58,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:44:58,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:44:58,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:44:58,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:44:59,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:44:59,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:44:59,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:44:59,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:44:59,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:44:59,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:44:59,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:44:59,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:44:59,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:44:59,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:44:59,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:44:59,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:44:59,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:44:59,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:44:59,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:44:59,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:44:59,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:44:59,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:44:59,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:44:59,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:44:59,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:44:59,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:44:59,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:44:59,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:44:59,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:44:59,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:44:59,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:44:59,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:44:59,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:44:59,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:44:59,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:44:59,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:44:59,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:44:59,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:44:59,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:44:59,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:44:59,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:44:59,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:44:59,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:44:59,181 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:44:59,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:44:59,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:44:59,183 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:44:59,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:44:59,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:44:59,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:44:59,187 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:44:59,188 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:44:59,188 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:44:59,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:44:59,191 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:44:59,191 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:44:59,191 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:44:59,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:44:59,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:44:59,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:44:59,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:44:59,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:44:59,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:44:59,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:44:59,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:44:59,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:44:59,198 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 -> e6399ca05df7547b7620299987a8a06e9e2c006b [2019-11-27 17:44:59,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:44:59,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:44:59,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:44:59,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:44:59,875 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:44:59,876 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2019-11-27 17:45:00,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ce5c74c/e4db1895c4114976894e8f949e6adfea/FLAG3135e6993 [2019-11-27 17:45:01,394 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:01,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2019-11-27 17:45:01,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ce5c74c/e4db1895c4114976894e8f949e6adfea/FLAG3135e6993 [2019-11-27 17:45:01,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ce5c74c/e4db1895c4114976894e8f949e6adfea [2019-11-27 17:45:01,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:01,492 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:01,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:01,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:01,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:01,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:01" (1/1) ... [2019-11-27 17:45:01,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:01, skipping insertion in model container [2019-11-27 17:45:01,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:01" (1/1) ... [2019-11-27 17:45:01,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:01,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:02,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:02,644 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:02,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:02,941 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:02,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02 WrapperNode [2019-11-27 17:45:02,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:02,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:02,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:02,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:02,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:02,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:03,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:03,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:03,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:03,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:03,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:02" (1/1) ... [2019-11-27 17:45:03,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:03,171 INFO L168 Benchmark]: Toolchain (without parser) took 1668.08 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 17:45:03,181 INFO L168 Benchmark]: CDTParser took 0.35 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 17:45:03,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1434.71 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 17:45:03,190 INFO L168 Benchmark]: Boogie Preprocessor took 213.41 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 17:45:03,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1434.71 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 213.41 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 17:45:07,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:07,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:07,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:07,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:07,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:07,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:07,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:07,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:07,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:07,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:07,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:07,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:07,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:07,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:07,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:07,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:07,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:07,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:07,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:07,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:07,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:07,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:07,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:07,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:07,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:07,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:07,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:07,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:07,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:07,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:07,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:07,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:07,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:07,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:07,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:07,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:07,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:07,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:07,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:07,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:07,382 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:07,423 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:07,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:07,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:07,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:07,433 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:07,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:07,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:07,434 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:07,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:07,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:07,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:07,437 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:07,438 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:07,439 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:07,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:07,440 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:07,441 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:07,441 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:07,445 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:07,445 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:07,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:07,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:07,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:07,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:07,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:07,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:07,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:07,448 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:07,448 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:07,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:07,451 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 -> e6399ca05df7547b7620299987a8a06e9e2c006b [2019-11-27 17:45:08,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:08,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:08,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:08,066 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:08,069 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:08,071 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2019-11-27 17:45:08,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bffa345a8/260d819e1c5141d5980ed418185f96f3/FLAGaa850000f [2019-11-27 17:45:09,519 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:09,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2019-11-27 17:45:09,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bffa345a8/260d819e1c5141d5980ed418185f96f3/FLAGaa850000f [2019-11-27 17:45:09,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bffa345a8/260d819e1c5141d5980ed418185f96f3 [2019-11-27 17:45:09,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:09,590 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:09,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:09,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:09,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:09,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:09" (1/1) ... [2019-11-27 17:45:09,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:09, skipping insertion in model container [2019-11-27 17:45:09,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:09" (1/1) ... [2019-11-27 17:45:09,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:09,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:10,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:10,760 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:10,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:11,094 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:11,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11 WrapperNode [2019-11-27 17:45:11,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:11,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:11,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:11,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:11,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:11" (1/1) ... [2019-11-27 17:45:11,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:11,375 INFO L168 Benchmark]: Toolchain (without parser) took 1782.49 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 962.5 MB in the end (delta: -821.1 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:11,381 INFO L168 Benchmark]: CDTParser took 2.85 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 17:45:11,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1505.15 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 968.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:11,384 INFO L168 Benchmark]: Boogie Preprocessor took 269.92 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:11,392 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.85 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 1505.15 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 968.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 269.92 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...