./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-bftpd/bftpd_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_1.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 0b33005346e6b80bc2289c235b2b7a5c7f83b2de ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1.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 0b33005346e6b80bc2289c235b2b7a5c7f83b2de ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:23:54,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:54,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:54,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:54,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:54,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:54,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:54,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:54,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:54,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:54,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:54,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:54,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:54,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:54,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:54,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:54,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:54,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:54,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:54,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:54,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:54,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:54,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:54,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:54,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:54,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:54,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:54,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:54,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:54,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:54,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:54,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:54,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:54,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:54,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:54,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:54,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:54,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:54,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:54,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:54,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:54,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:54,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:54,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:54,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:54,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:54,833 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:54,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:54,833 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:54,834 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:54,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:54,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:54,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:54,839 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:54,840 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:54,841 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:54,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:54,843 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:54,844 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:54,844 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:54,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:54,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:54,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:54,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:54,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:54,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:54,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:54,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:54,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:54,851 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 -> 0b33005346e6b80bc2289c235b2b7a5c7f83b2de [2019-11-27 11:23:55,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:55,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:55,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:55,505 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:55,506 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:55,510 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_1.i [2019-11-27 11:23:55,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcfb32c3f/3c323be13f39407da72b39b32b4cf2c6/FLAGe8ab8e7c6 [2019-11-27 11:23:56,833 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:56,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_1.i [2019-11-27 11:23:56,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcfb32c3f/3c323be13f39407da72b39b32b4cf2c6/FLAGe8ab8e7c6 [2019-11-27 11:23:56,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcfb32c3f/3c323be13f39407da72b39b32b4cf2c6 [2019-11-27 11:23:56,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:56,898 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:56,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:56,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:56,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:56,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:56" (1/1) ... [2019-11-27 11:23:56,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35365046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:56, skipping insertion in model container [2019-11-27 11:23:56,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:56" (1/1) ... [2019-11-27 11:23:56,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:57,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:58,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:58,040 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:58,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:58,334 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:58,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:58 WrapperNode [2019-11-27 11:23:58,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:58,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:58,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:58,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:58,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:58" (1/1) ... [2019-11-27 11:23:58,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:58" (1/1) ... [2019-11-27 11:23:58,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:58" (1/1) ... [2019-11-27 11:23:58,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:58" (1/1) ... [2019-11-27 11:23:58,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:58" (1/1) ... [2019-11-27 11:23:58,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:58" (1/1) ... [2019-11-27 11:23:58,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:58" (1/1) ... [2019-11-27 11:23:58,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:58,529 INFO L168 Benchmark]: Toolchain (without parser) took 1625.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 743.1 kB). Peak memory consumption was 808.6 kB. Max. memory is 12.5 GB. [2019-11-27 11:23:58,543 INFO L168 Benchmark]: CDTParser took 0.83 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 11:23:58,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1429.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:58,549 INFO L168 Benchmark]: Boogie Preprocessor took 181.52 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:58,555 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 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 1429.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 181.52 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 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 11:24:02,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:02,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:02,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:02,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:02,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:02,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:02,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:02,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:02,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:02,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:02,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:02,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:02,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:02,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:02,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:02,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:02,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:02,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:02,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:02,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:02,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:02,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:02,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:02,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:02,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:02,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:02,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:02,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:02,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:02,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:02,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:02,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:02,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:02,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:02,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:02,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:02,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:02,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:02,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:02,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:02,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:24:02,725 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:02,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:02,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:02,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:02,733 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:02,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:02,735 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:24:02,735 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:02,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:02,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:24:02,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:02,739 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:02,740 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:02,740 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:02,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:02,741 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:02,741 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:24:02,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:24:02,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:24:02,743 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:02,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:02,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:02,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:02,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:02,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:02,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:02,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:02,748 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:24:02,748 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:24:02,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:24:02,750 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 -> 0b33005346e6b80bc2289c235b2b7a5c7f83b2de [2019-11-27 11:24:03,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:03,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:03,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:03,416 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:03,419 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:03,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_1.i [2019-11-27 11:24:03,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10f3198d/cd7540a5a25340cf8f727088c8d1315a/FLAGb7f724bd2 [2019-11-27 11:24:04,704 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:04,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_1.i [2019-11-27 11:24:04,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10f3198d/cd7540a5a25340cf8f727088c8d1315a/FLAGb7f724bd2 [2019-11-27 11:24:05,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10f3198d/cd7540a5a25340cf8f727088c8d1315a [2019-11-27 11:24:05,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:05,222 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:05,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:05,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:05,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:05,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:05" (1/1) ... [2019-11-27 11:24:05,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13413829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:05, skipping insertion in model container [2019-11-27 11:24:05,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:05" (1/1) ... [2019-11-27 11:24:05,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:05,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:06,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:06,399 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:06,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:06,727 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:06,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06 WrapperNode [2019-11-27 11:24:06,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:06,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:06,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:06,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:06,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:06,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:06,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:06,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:06,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:06,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:06,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:06,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:06,946 INFO L168 Benchmark]: Toolchain (without parser) took 1724.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.2 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:06,947 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:06,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1502.03 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 11:24:06,958 INFO L168 Benchmark]: Boogie Preprocessor took 211.03 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:06,978 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1502.03 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 211.03 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 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...