./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-bftpd/bftpd_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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/memsafety-bftpd/bftpd_3.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 b34e199f0da2018b0ae97fc3f9a24725315a1b16 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/memsafety-bftpd/bftpd_3.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 b34e199f0da2018b0ae97fc3f9a24725315a1b16 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:35,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:35,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:35,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:35,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:35,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:35,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:35,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:35,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:35,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:35,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:35,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:35,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:35,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:35,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:35,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:35,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:35,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:35,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:35,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:35,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:35,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:35,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:35,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:35,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:35,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:35,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:35,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:35,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:35,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:35,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:35,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:35,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:35,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:35,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:35,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:35,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:35,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:35,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:35,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:35,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:35,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:28:35,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:35,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:35,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:35,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:35,275 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:35,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:35,276 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:35,276 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:35,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:35,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:35,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:35,280 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:35,280 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:35,281 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:35,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:35,283 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:35,283 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:35,283 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:35,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:35,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:35,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:35,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:35,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:35,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:35,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:35,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:35,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:35,289 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 -> b34e199f0da2018b0ae97fc3f9a24725315a1b16 [2019-11-26 00:28:35,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:35,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:36,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:36,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:36,010 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:36,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_3.i [2019-11-26 00:28:36,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/191b44594/8a141e9de3014a52b8f0fbbd4b165d53/FLAG38d8f7f54 [2019-11-26 00:28:37,386 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:37,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_3.i [2019-11-26 00:28:37,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/191b44594/8a141e9de3014a52b8f0fbbd4b165d53/FLAG38d8f7f54 [2019-11-26 00:28:37,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/191b44594/8a141e9de3014a52b8f0fbbd4b165d53 [2019-11-26 00:28:37,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:37,873 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:37,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:37,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:37,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:37,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:37" (1/1) ... [2019-11-26 00:28:37,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696fbcb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:37, skipping insertion in model container [2019-11-26 00:28:37,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:37" (1/1) ... [2019-11-26 00:28:37,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:38,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:38,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:38,944 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:39,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:39,210 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:39,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:39 WrapperNode [2019-11-26 00:28:39,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:39,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:39,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:39,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:39,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:39" (1/1) ... [2019-11-26 00:28:39,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:39" (1/1) ... [2019-11-26 00:28:39,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:39" (1/1) ... [2019-11-26 00:28:39,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:39" (1/1) ... [2019-11-26 00:28:39,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:39" (1/1) ... [2019-11-26 00:28:39,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:39" (1/1) ... [2019-11-26 00:28:39,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:39" (1/1) ... [2019-11-26 00:28:39,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:39,418 INFO L168 Benchmark]: Toolchain (without parser) took 1526.39 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 968.1 MB in the end (delta: -7.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:39,419 INFO L168 Benchmark]: CDTParser took 0.73 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. [2019-11-26 00:28:39,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1338.64 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: -13.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:39,426 INFO L168 Benchmark]: Boogie Preprocessor took 177.34 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:39,432 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 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 1338.64 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: -13.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 177.34 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.1 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 0.1.24-65d6cd2 [2019-11-26 00:28:43,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:43,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:43,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:43,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:43,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:43,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:43,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:43,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:43,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:43,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:43,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:43,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:43,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:43,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:43,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:43,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:43,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:43,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:43,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:43,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:43,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:43,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:43,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:43,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:43,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:43,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:43,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:43,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:43,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:43,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:43,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:43,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:43,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:43,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:43,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:43,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:43,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:43,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:43,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:43,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:43,603 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:43,640 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:43,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:43,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:43,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:43,648 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:43,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:43,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:43,649 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:43,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:43,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:43,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:43,654 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:43,654 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:43,655 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:43,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:43,657 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:43,657 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:43,657 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:43,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:43,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:43,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:43,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:43,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:43,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:43,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:43,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:43,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:43,664 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:43,664 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:43,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:43,666 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 -> b34e199f0da2018b0ae97fc3f9a24725315a1b16 [2019-11-26 00:28:44,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:44,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:44,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:44,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:44,236 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:44,238 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_3.i [2019-11-26 00:28:44,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d08aa91f3/7fab5972270f47cc8b3dd178668952b9/FLAG9a556be76 [2019-11-26 00:28:45,611 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:45,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_3.i [2019-11-26 00:28:45,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d08aa91f3/7fab5972270f47cc8b3dd178668952b9/FLAG9a556be76 [2019-11-26 00:28:45,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d08aa91f3/7fab5972270f47cc8b3dd178668952b9 [2019-11-26 00:28:45,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:45,704 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:45,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:45,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:45,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:45,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:45" (1/1) ... [2019-11-26 00:28:45,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35365046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:45, skipping insertion in model container [2019-11-26 00:28:45,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:45" (1/1) ... [2019-11-26 00:28:45,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:45,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:46,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:46,842 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:46,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:47,170 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:47,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:47 WrapperNode [2019-11-26 00:28:47,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:47,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:47,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:47,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:47,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:47" (1/1) ... [2019-11-26 00:28:47,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:47" (1/1) ... [2019-11-26 00:28:47,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:47" (1/1) ... [2019-11-26 00:28:47,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:47" (1/1) ... [2019-11-26 00:28:47,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:47" (1/1) ... [2019-11-26 00:28:47,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:47" (1/1) ... [2019-11-26 00:28:47,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:47" (1/1) ... [2019-11-26 00:28:47,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:47,396 INFO L168 Benchmark]: Toolchain (without parser) took 1687.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 966.6 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:47,397 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-26 00:28:47,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1454.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.4 MB in the end (delta: -12.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:47,408 INFO L168 Benchmark]: Boogie Preprocessor took 214.97 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:47,424 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1454.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.4 MB in the end (delta: -12.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 214.97 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.6 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...