./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 da95e156 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-da95e15 [2019-11-27 11:24:47,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:47,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:47,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:47,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:47,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:47,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:48,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:48,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:48,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:48,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:48,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:48,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:48,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:48,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:48,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:48,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:48,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:48,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:48,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:48,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:48,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:48,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:48,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:48,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:48,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:48,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:48,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:48,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:48,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:48,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:48,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:48,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:48,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:48,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:48,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:48,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:48,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:48,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:48,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:48,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:48,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 11:24:48,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:48,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:48,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:48,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:48,180 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:48,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:48,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:24:48,183 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:48,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:48,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:24:48,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:48,186 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:48,188 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:48,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:48,189 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:48,189 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:24:48,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:48,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:48,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:48,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:48,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:48,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:48,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:48,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:48,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:24:48,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:24:48,195 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 11:24:48,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:48,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:48,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:48,862 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:48,863 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:48,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-27 11:24:49,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46cb3f39/2db4a1385b1e445981040219ef2216e6/FLAG6eb4e3941 [2019-11-27 11:24:50,275 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:50,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-27 11:24:50,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46cb3f39/2db4a1385b1e445981040219ef2216e6/FLAG6eb4e3941 [2019-11-27 11:24:50,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46cb3f39/2db4a1385b1e445981040219ef2216e6 [2019-11-27 11:24:50,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:50,809 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:50,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:50,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:50,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:50,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:50" (1/1) ... [2019-11-27 11:24:50,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611e8f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:50, skipping insertion in model container [2019-11-27 11:24:50,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:50" (1/1) ... [2019-11-27 11:24:50,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:50,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:51,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:51,988 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:52,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:52,294 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:52,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:52 WrapperNode [2019-11-27 11:24:52,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:52,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:52,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:52,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:52,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:52" (1/1) ... [2019-11-27 11:24:52,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:52" (1/1) ... [2019-11-27 11:24:52,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:52" (1/1) ... [2019-11-27 11:24:52,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:52" (1/1) ... [2019-11-27 11:24:52,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:52" (1/1) ... [2019-11-27 11:24:52,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:52" (1/1) ... [2019-11-27 11:24:52,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:52" (1/1) ... [2019-11-27 11:24:52,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:52,511 INFO L168 Benchmark]: Toolchain (without parser) took 1691.47 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 968.1 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:52,521 INFO L168 Benchmark]: CDTParser took 1.83 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 11:24:52,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1476.98 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:52,528 INFO L168 Benchmark]: Boogie Preprocessor took 199.06 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. [2019-11-27 11:24:52,542 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.83 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 1476.98 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 199.06 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-da95e15 [2019-11-27 11:24:56,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:56,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:56,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:56,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:56,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:56,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:56,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:56,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:56,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:56,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:56,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:56,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:56,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:56,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:56,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:56,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:56,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:56,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:56,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:56,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:56,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:56,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:56,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:56,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:56,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:56,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:56,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:56,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:56,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:56,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:56,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:56,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:56,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:56,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:56,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:56,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:56,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:56,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:56,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:56,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:56,595 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 11:24:56,642 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:56,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:56,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:56,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:56,647 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:56,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:56,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:24:56,649 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:56,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:56,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:24:56,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:56,653 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:56,653 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:56,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:56,654 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:56,656 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:24:56,656 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:24:56,656 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:24:56,657 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:56,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:56,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:56,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:56,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:56,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:56,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:56,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:56,661 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:24:56,661 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:24:56,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:24:56,663 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 11:24:57,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:57,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:57,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:57,366 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:57,367 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:57,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-27 11:24:57,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70ba1dd18/32d0e8e2927b416e93bb94fbf3922382/FLAG23b9b165f [2019-11-27 11:24:58,785 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:58,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-27 11:24:58,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70ba1dd18/32d0e8e2927b416e93bb94fbf3922382/FLAG23b9b165f [2019-11-27 11:24:58,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70ba1dd18/32d0e8e2927b416e93bb94fbf3922382 [2019-11-27 11:24:58,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:58,887 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:58,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:58,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:58,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:58,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:58" (1/1) ... [2019-11-27 11:24:58,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7241e323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:58, skipping insertion in model container [2019-11-27 11:24:58,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:58" (1/1) ... [2019-11-27 11:24:58,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:59,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:25:00,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:25:00,074 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:25:00,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:25:00,427 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:25:00,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:25:00 WrapperNode [2019-11-27 11:25:00,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:25:00,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:25:00,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:25:00,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:25:00,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:25:00" (1/1) ... [2019-11-27 11:25:00,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:25:00" (1/1) ... [2019-11-27 11:25:00,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:25:00" (1/1) ... [2019-11-27 11:25:00,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:25:00" (1/1) ... [2019-11-27 11:25:00,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:25:00" (1/1) ... [2019-11-27 11:25:00,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:25:00" (1/1) ... [2019-11-27 11:25:00,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:25:00" (1/1) ... [2019-11-27 11:25:00,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:25:00,675 INFO L168 Benchmark]: Toolchain (without parser) took 1786.61 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 966.7 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:25:00,679 INFO L168 Benchmark]: CDTParser took 0.97 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 11:25:00,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1541.82 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 966.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 11:25:00,685 INFO L168 Benchmark]: Boogie Preprocessor took 233.25 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:25:00,702 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 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 1541.82 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 966.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 233.25 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...