./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-bftpd/bftpd_2.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_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-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 129dca108ba5ab1702fbcd782a34bbf933adb446 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:28:32,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:32,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:32,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:32,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:32,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:32,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:32,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:32,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:32,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:32,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:32,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:32,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:32,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:32,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:32,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:32,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:32,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:32,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:32,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:32,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:32,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:32,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:32,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:32,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:32,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:32,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:32,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:32,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:32,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:32,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:32,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:32,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:32,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:32,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:32,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:32,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:32,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:32,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:33,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:33,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:33,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:28:33,045 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:33,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:33,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:33,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:33,052 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:33,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:33,053 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:33,053 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:33,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:33,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:33,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:33,057 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:33,057 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:33,058 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:33,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:33,058 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:33,060 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:33,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:33,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:33,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:33,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:33,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:33,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:33,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:33,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:33,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:33,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:33,065 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 -> 129dca108ba5ab1702fbcd782a34bbf933adb446 [2019-11-26 00:28:33,571 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:33,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:33,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:33,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:33,613 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:33,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-26 00:28:33,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd540a41/7a43e4ff6dff4e34a5b3cdc15df6c5e7/FLAG61015e8d2 [2019-11-26 00:28:34,858 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:34,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-26 00:28:34,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd540a41/7a43e4ff6dff4e34a5b3cdc15df6c5e7/FLAG61015e8d2 [2019-11-26 00:28:34,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd540a41/7a43e4ff6dff4e34a5b3cdc15df6c5e7 [2019-11-26 00:28:34,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:34,959 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:34,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:34,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:34,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:34,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:34" (1/1) ... [2019-11-26 00:28:34,982 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 26.11 12:28:34, skipping insertion in model container [2019-11-26 00:28:34,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:34" (1/1) ... [2019-11-26 00:28:35,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:35,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:36,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:36,152 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:36,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:36,479 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:36,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:36 WrapperNode [2019-11-26 00:28:36,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:36,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:36,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:36,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:36,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:36" (1/1) ... [2019-11-26 00:28:36,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:36" (1/1) ... [2019-11-26 00:28:36,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:36" (1/1) ... [2019-11-26 00:28:36,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:36" (1/1) ... [2019-11-26 00:28:36,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:36" (1/1) ... [2019-11-26 00:28:36,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:36" (1/1) ... [2019-11-26 00:28:36,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:36" (1/1) ... [2019-11-26 00:28:36,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:36,696 INFO L168 Benchmark]: Toolchain (without parser) took 1730.13 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 00:28:36,697 INFO L168 Benchmark]: CDTParser took 1.51 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 00:28:36,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1519.18 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 973.8 MB in the end (delta: -13.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:36,710 INFO L168 Benchmark]: Boogie Preprocessor took 202.80 ms. Allocated memory is still 1.0 GB. Free memory was 973.8 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 00:28:36,724 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51 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 1519.18 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 973.8 MB in the end (delta: -13.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 202.80 ms. Allocated memory is still 1.0 GB. Free memory was 973.8 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 00:28:40,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:40,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:40,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:40,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:40,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:40,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:40,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:40,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:40,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:40,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:40,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:40,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:40,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:40,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:40,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:40,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:40,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:40,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:40,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:40,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:40,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:40,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:40,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:40,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:40,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:40,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:40,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:40,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:40,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:40,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:40,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:40,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:40,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:40,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:40,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:40,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:40,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:40,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:40,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:40,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:40,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:40,658 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:40,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:40,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:40,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:40,667 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:40,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:40,668 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:40,671 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:40,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:40,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:40,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:40,673 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:40,673 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:40,674 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:40,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:40,675 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:40,675 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:40,678 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:40,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:40,679 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:40,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:40,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:40,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:40,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:40,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:40,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:40,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:40,683 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:40,683 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:40,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:40,685 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 -> 129dca108ba5ab1702fbcd782a34bbf933adb446 [2019-11-26 00:28:41,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:41,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:41,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:41,321 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:41,324 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:41,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-26 00:28:41,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbced5898/02f4fa019e25482b9546a2a1cc11c6e1/FLAG33cd12c6a [2019-11-26 00:28:42,681 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:42,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-26 00:28:42,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbced5898/02f4fa019e25482b9546a2a1cc11c6e1/FLAG33cd12c6a [2019-11-26 00:28:42,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbced5898/02f4fa019e25482b9546a2a1cc11c6e1 [2019-11-26 00:28:42,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:42,774 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:42,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:42,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:42,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:42,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:42" (1/1) ... [2019-11-26 00:28:42,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc4890b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:42, skipping insertion in model container [2019-11-26 00:28:42,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:42" (1/1) ... [2019-11-26 00:28:42,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:42,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:43,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:43,893 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:44,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:44,218 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:44,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:44 WrapperNode [2019-11-26 00:28:44,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:44,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:44,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:44,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:44,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:44" (1/1) ... [2019-11-26 00:28:44,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:44" (1/1) ... [2019-11-26 00:28:44,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:44" (1/1) ... [2019-11-26 00:28:44,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:44" (1/1) ... [2019-11-26 00:28:44,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:44" (1/1) ... [2019-11-26 00:28:44,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:44" (1/1) ... [2019-11-26 00:28:44,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:44" (1/1) ... [2019-11-26 00:28:44,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:44,437 INFO L168 Benchmark]: Toolchain (without parser) took 1659.14 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 966.6 MB in the end (delta: -6.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:44,442 INFO L168 Benchmark]: CDTParser took 0.89 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 00:28:44,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1443.07 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 972.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:44,447 INFO L168 Benchmark]: Boogie Preprocessor took 210.35 ms. Allocated memory is still 1.0 GB. Free memory was 972.3 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 00:28:44,466 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 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 1443.07 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 972.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 210.35 ms. Allocated memory is still 1.0 GB. Free memory was 972.3 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...