./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c6eb4584 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/ntdrivers/kbfiltr.i.cil-1.c -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 e6846da9c903f6cd4734b19c7febfce2dd348e87 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 22:20:18,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:20:18,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:20:18,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:20:18,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:20:18,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:20:18,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:20:18,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:20:18,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:20:18,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:20:18,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:20:18,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:20:18,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:20:18,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:20:18,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:20:18,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:20:18,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:20:18,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:20:18,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:20:18,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:20:18,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:20:18,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:20:18,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:20:18,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:20:18,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:20:18,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:20:18,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:20:18,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:20:18,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:20:18,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:20:18,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:20:18,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:20:18,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:20:18,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:20:18,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:20:18,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:20:18,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:20:18,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:20:18,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:20:18,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:20:18,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:20:18,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 22:20:18,745 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:20:18,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:20:18,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:20:18,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:20:18,759 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:20:18,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:20:18,760 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:20:18,760 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:20:18,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:20:18,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:20:18,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:20:18,763 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 22:20:18,765 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 22:20:18,766 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 22:20:18,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:20:18,768 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:20:18,768 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:20:18,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:20:18,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:20:18,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:20:18,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:20:18,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:20:18,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:20:18,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:20:18,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:20:18,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:20:18,774 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 -> e6846da9c903f6cd4734b19c7febfce2dd348e87 [2019-11-16 22:20:19,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:20:19,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:20:19,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:20:19,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:20:19,477 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:20:19,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c [2019-11-16 22:20:19,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dffe73fdf/595d263358c1416da139c7f2dda47cae/FLAG478c36c40 [2019-11-16 22:20:21,166 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:20:21,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c [2019-11-16 22:20:21,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dffe73fdf/595d263358c1416da139c7f2dda47cae/FLAG478c36c40 [2019-11-16 22:20:21,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dffe73fdf/595d263358c1416da139c7f2dda47cae [2019-11-16 22:20:21,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:20:21,299 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-16 22:20:21,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:21,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:20:21,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:20:21,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:21" (1/1) ... [2019-11-16 22:20:21,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106775e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:21, skipping insertion in model container [2019-11-16 22:20:21,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:21" (1/1) ... [2019-11-16 22:20:21,351 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:20:21,538 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:20:23,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:23,575 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:20:23,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:24,096 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:20:24,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:24 WrapperNode [2019-11-16 22:20:24,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:24,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:20:24,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:20:24,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:20:24,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:24" (1/1) ... [2019-11-16 22:20:24,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:24" (1/1) ... [2019-11-16 22:20:24,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:24" (1/1) ... [2019-11-16 22:20:24,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:24" (1/1) ... [2019-11-16 22:20:24,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:24" (1/1) ... [2019-11-16 22:20:24,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:24" (1/1) ... [2019-11-16 22:20:24,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:24" (1/1) ... [2019-11-16 22:20:24,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:20:24,621 INFO L168 Benchmark]: Toolchain (without parser) took 3316.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 903.9 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.2 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:24,622 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-16 22:20:24,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2786.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 932.5 MB in the end (delta: 23.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:24,627 INFO L168 Benchmark]: Boogie Preprocessor took 514.08 ms. Allocated memory is still 1.0 GB. Free memory was 932.5 MB in the beginning and 903.9 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:24,636 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 2786.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 932.5 MB in the end (delta: 23.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 514.08 ms. Allocated memory is still 1.0 GB. Free memory was 932.5 MB in the beginning and 903.9 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...