./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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/memsafety-bftpd/bftpd_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 129dca108ba5ab1702fbcd782a34bbf933adb446 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 129dca108ba5ab1702fbcd782a34bbf933adb446 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:47:12,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:12,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:12,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:12,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:12,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:12,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:12,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:12,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:12,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:12,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:12,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:12,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:12,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:12,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:12,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:12,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:12,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:12,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:12,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:12,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:12,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:12,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:12,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:12,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:12,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:12,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:12,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:12,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:12,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:12,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:12,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:12,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:12,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:12,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:12,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:12,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:12,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:12,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:12,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:12,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:12,527 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 17:47:12,554 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:12,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:12,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:12,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:12,560 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:12,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:12,561 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:12,561 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:12,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:12,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:12,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:12,563 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:12,563 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:12,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:12,563 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:12,564 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:12,566 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:12,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:12,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:12,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:12,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:12,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:12,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:12,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:12,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:47:12,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:47:12,569 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-memcleanup) ) 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 -> 129dca108ba5ab1702fbcd782a34bbf933adb446 [2019-11-27 17:47:13,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:13,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:13,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:13,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:13,029 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:13,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-27 17:47:13,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a22e62b7/2feaab205aef4784a1b0fb19939f6645/FLAGac7f3a75d [2019-11-27 17:47:13,976 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:13,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-27 17:47:14,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a22e62b7/2feaab205aef4784a1b0fb19939f6645/FLAGac7f3a75d [2019-11-27 17:47:14,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a22e62b7/2feaab205aef4784a1b0fb19939f6645 [2019-11-27 17:47:14,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:14,149 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:14,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:14,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:14,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:14,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:14" (1/1) ... [2019-11-27 17:47:14,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:14, skipping insertion in model container [2019-11-27 17:47:14,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:14" (1/1) ... [2019-11-27 17:47:14,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:14,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:14,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:14,949 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:15,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:15,181 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:15,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:15 WrapperNode [2019-11-27 17:47:15,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:15,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:15,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:15,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:15,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:15" (1/1) ... [2019-11-27 17:47:15,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:15" (1/1) ... [2019-11-27 17:47:15,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:15" (1/1) ... [2019-11-27 17:47:15,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:15" (1/1) ... [2019-11-27 17:47:15,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:15" (1/1) ... [2019-11-27 17:47:15,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:15" (1/1) ... [2019-11-27 17:47:15,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:15" (1/1) ... [2019-11-27 17:47:15,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:15,347 INFO L168 Benchmark]: Toolchain (without parser) took 1183.35 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 962.4 MB in the end (delta: -2.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:15,348 INFO L168 Benchmark]: CDTParser took 0.21 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 17:47:15,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1031.23 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). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:15,355 INFO L168 Benchmark]: Boogie Preprocessor took 142.80 ms. Allocated memory is still 1.0 GB. Free memory was 968.1 MB in the beginning and 962.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:15,359 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1031.23 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). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 142.80 ms. Allocated memory is still 1.0 GB. Free memory was 968.1 MB in the beginning and 962.4 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 17:47:18,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:18,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:18,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:18,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:18,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:18,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:18,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:18,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:18,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:18,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:18,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:18,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:18,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:18,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:18,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:18,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:18,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:18,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:18,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:18,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:18,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:18,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:18,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:18,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:18,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:18,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:18,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:18,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:18,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:18,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:18,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:18,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:18,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:18,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:18,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:18,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:18,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:18,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:18,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:18,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:18,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 17:47:18,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:18,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:18,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:18,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:18,253 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:18,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:18,253 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:18,253 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:18,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:18,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:18,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:18,258 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:18,258 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:18,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:18,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:18,259 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:47:18,260 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:47:18,260 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:18,260 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:18,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:18,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:18,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:18,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:18,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:18,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:18,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:18,263 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:47:18,263 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:47:18,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:47:18,263 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-memcleanup) ) 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 -> 129dca108ba5ab1702fbcd782a34bbf933adb446 [2019-11-27 17:47:18,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:18,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:18,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:18,784 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:18,785 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:18,785 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-27 17:47:18,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e06de08f/c7f9c326718e4e21b34195ee781e1ffb/FLAG684e31da3 [2019-11-27 17:47:19,713 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:19,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-27 17:47:19,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e06de08f/c7f9c326718e4e21b34195ee781e1ffb/FLAG684e31da3 [2019-11-27 17:47:19,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e06de08f/c7f9c326718e4e21b34195ee781e1ffb [2019-11-27 17:47:19,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:19,916 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:19,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:19,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:19,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:19,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:19" (1/1) ... [2019-11-27 17:47:19,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1244a76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:19, skipping insertion in model container [2019-11-27 17:47:19,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:19" (1/1) ... [2019-11-27 17:47:19,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:20,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:20,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:20,723 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:20,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:20,955 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:20,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:20 WrapperNode [2019-11-27 17:47:20,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:20,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:20,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:20,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:20,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:20" (1/1) ... [2019-11-27 17:47:20,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:20" (1/1) ... [2019-11-27 17:47:21,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:20" (1/1) ... [2019-11-27 17:47:21,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:20" (1/1) ... [2019-11-27 17:47:21,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:20" (1/1) ... [2019-11-27 17:47:21,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:20" (1/1) ... [2019-11-27 17:47:21,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:20" (1/1) ... [2019-11-27 17:47:21,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:21,140 INFO L168 Benchmark]: Toolchain (without parser) took 1222.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 962.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:21,144 INFO L168 Benchmark]: CDTParser took 0.66 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 17:47:21,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1036.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 968.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:21,148 INFO L168 Benchmark]: Boogie Preprocessor took 175.29 ms. Allocated memory is still 1.0 GB. Free memory was 968.1 MB in the beginning and 962.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:21,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 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 1036.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 968.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 175.29 ms. Allocated memory is still 1.0 GB. Free memory was 968.1 MB in the beginning and 962.4 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...