java -ea -Xmx4000000000 -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 ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14__complex_emg__linux-usb-dev__drivers-net-wireless-ipw2x00-ipw2100_true-unreach-call.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-fe202a8 [2018-11-19 11:57:44,762 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-19 11:57:44,766 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-19 11:57:44,784 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-19 11:57:44,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-19 11:57:44,789 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-19 11:57:44,790 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-19 11:57:44,793 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-19 11:57:44,794 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-19 11:57:44,794 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-19 11:57:44,799 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-19 11:57:44,800 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-19 11:57:44,800 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-19 11:57:44,801 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-19 11:57:44,807 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-19 11:57:44,808 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-19 11:57:44,809 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-19 11:57:44,820 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-19 11:57:44,821 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-19 11:57:44,830 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-19 11:57:44,831 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-19 11:57:44,832 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-19 11:57:44,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-19 11:57:44,838 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-19 11:57:44,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-19 11:57:44,839 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-19 11:57:44,840 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-19 11:57:44,844 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-19 11:57:44,844 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-19 11:57:44,845 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-19 11:57:44,845 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-19 11:57:44,846 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-19 11:57:44,846 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-19 11:57:44,846 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-19 11:57:44,852 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-19 11:57:44,853 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-19 11:57:44,853 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-19 11:57:44,887 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-19 11:57:44,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-19 11:57:44,888 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-19 11:57:44,888 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-19 11:57:44,894 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-19 11:57:44,894 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-19 11:57:44,894 INFO L133 SettingsManager]: * Use SBE=true [2018-11-19 11:57:44,894 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-19 11:57:44,895 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-19 11:57:44,895 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-19 11:57:44,895 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-19 11:57:44,895 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-19 11:57:44,895 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-19 11:57:44,895 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-19 11:57:44,895 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-19 11:57:44,895 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-19 11:57:44,896 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-19 11:57:44,896 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-19 11:57:44,896 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-19 11:57:44,896 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-19 11:57:44,896 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-19 11:57:44,896 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-19 11:57:44,896 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-19 11:57:44,896 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-19 11:57:44,899 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-19 11:57:44,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-19 11:57:44,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-19 11:57:44,899 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-19 11:57:44,899 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-19 11:57:44,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-19 11:57:45,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-19 11:57:45,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-19 11:57:45,014 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-19 11:57:45,014 INFO L276 PluginConnector]: CDTParser initialized [2018-11-19 11:57:45,015 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14__complex_emg__linux-usb-dev__drivers-net-wireless-ipw2x00-ipw2100_true-unreach-call.cil.c [2018-11-19 11:57:45,106 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52fa65e1a/0003a89335b54b67b8e3f92b5784e0a6/FLAG308dcdb21 [2018-11-19 11:57:46,642 INFO L307 CDTParser]: Found 1 translation units. [2018-11-19 11:57:46,642 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14__complex_emg__linux-usb-dev__drivers-net-wireless-ipw2x00-ipw2100_true-unreach-call.cil.c [2018-11-19 11:57:46,785 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52fa65e1a/0003a89335b54b67b8e3f92b5784e0a6/FLAG308dcdb21 [2018-11-19 11:57:47,038 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52fa65e1a/0003a89335b54b67b8e3f92b5784e0a6 [2018-11-19 11:57:47,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-19 11:57:47,061 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-11-19 11:57:47,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-19 11:57:47,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-19 11:57:47,067 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-19 11:57:47,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:57:47" (1/1) ... [2018-11-19 11:57:47,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56616e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:57:47, skipping insertion in model container [2018-11-19 11:57:47,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:57:47" (1/1) ... [2018-11-19 11:57:47,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-19 11:57:47,626 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-19 11:57:59,428 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-19 11:57:59,641 INFO L191 MainTranslator]: Completed pre-run [2018-11-19 11:58:01,549 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-19 11:58:03,714 INFO L195 MainTranslator]: Completed translation [2018-11-19 11:58:03,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:58:03 WrapperNode [2018-11-19 11:58:03,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-19 11:58:03,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-19 11:58:03,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-19 11:58:03,716 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-19 11:58:03,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:58:03" (1/1) ... [2018-11-19 11:58:03,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:58:03" (1/1) ... [2018-11-19 11:58:03,910 ERROR L1131 TypeChecker]: C: _ctype [8315]: Undeclared identifier ~#_ctype~0 in IdentifierExpression[~#_ctype~0,GLOBAL] [2018-11-19 11:58:03,911 ERROR L1131 TypeChecker]: C: _ctype[(int )c] [8315]: Wrong parameter type at index 0: CallStatement[false,[VariableLHS[#t~mem411,]],read~int,[StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#_ctype~0,GLOBAL],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#_ctype~0,GLOBAL],offset],BinaryExpression[ARITHMOD,IdentifierExpression[~c,],IntegerLiteral[256]]]]],IntegerLiteral[1]]] [2018-11-19 11:58:03,914 ERROR L1131 TypeChecker]: C: _ctype [9116]: Undeclared identifier ~#_ctype~0 in IdentifierExpression[~#_ctype~0,GLOBAL] [2018-11-19 11:58:03,914 ERROR L1131 TypeChecker]: C: _ctype[(int )((unsigned char )c)] [9116]: Wrong parameter type at index 0: CallStatement[false,[VariableLHS[#t~mem614,]],read~int,[StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#_ctype~0,GLOBAL],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#_ctype~0,GLOBAL],offset],BinaryExpression[ARITHMOD,IdentifierExpression[~c~0,],IntegerLiteral[256]]]]],IntegerLiteral[1]]] [2018-11-19 11:58:04,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:58:03" (1/1) ... [2018-11-19 11:58:04,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:58:03" (1/1) ... [2018-11-19 11:58:04,416 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor has thrown an exception: java.lang.ClassCastException: de.uni_freiburg.informatik.ultimate.boogie.type.BoogiePrimitiveType cannot be cast to de.uni_freiburg.informatik.ultimate.boogie.type.BoogieStructType at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.processExpression(StructExpander.java:309) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.expandExpression(StructExpander.java:371) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.processExpressions(StructExpander.java:482) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processExpression(BoogieTransformer.java:744) at de.uni_freiburg.informatik.ultimate.boogie.CachingBoogieTransformer.processExpression(CachingBoogieTransformer.java:51) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.processExpression(StructExpander.java:341) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.expandExpression(StructExpander.java:371) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.processExpressions(StructExpander.java:482) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processStatement(BoogieTransformer.java:389) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.processStatement(StructExpander.java:803) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processStatements(BoogieTransformer.java:340) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processBody(BoogieTransformer.java:281) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processDeclaration(BoogieTransformer.java:155) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.expandDeclaration(StructExpander.java:682) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.process(StructExpander.java:207) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-19 11:58:04,426 INFO L168 Benchmark]: Toolchain (without parser) took 17367.82 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.5 GB in the end (delta: 349.4 MB). Peak memory consumption was 349.4 MB. Max. memory is 3.9 GB. [2018-11-19 11:58:04,431 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-11-19 11:58:04,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 16653.72 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.6 GB in the end (delta: 284.5 MB). Peak memory consumption was 621.5 MB. Max. memory is 3.9 GB. [2018-11-19 11:58:04,432 INFO L168 Benchmark]: Boogie Preprocessor took 706.64 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 3.9 GB. [2018-11-19 11:58:04,437 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. * CACSL2BoogieTranslator took 16653.72 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.6 GB in the end (delta: 284.5 MB). Peak memory consumption was 621.5 MB. Max. memory is 3.9 GB. * Boogie Preprocessor took 706.64 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 3.9 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 8315]: Type Error Undeclared identifier ~#_ctype~0 in IdentifierExpression[~#_ctype~0,GLOBAL] - TypeErrorResult [Line: 8315]: Type Error Wrong parameter type at index 0: CallStatement[false,[VariableLHS[#t~mem411,]],read~int,[StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#_ctype~0,GLOBAL],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#_ctype~0,GLOBAL],offset],BinaryExpression[ARITHMOD,IdentifierExpression[~c,],IntegerLiteral[256]]]]],IntegerLiteral[1]]] - TypeErrorResult [Line: 9116]: Type Error Undeclared identifier ~#_ctype~0 in IdentifierExpression[~#_ctype~0,GLOBAL] - TypeErrorResult [Line: 9116]: Type Error Wrong parameter type at index 0: CallStatement[false,[VariableLHS[#t~mem614,]],read~int,[StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#_ctype~0,GLOBAL],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#_ctype~0,GLOBAL],offset],BinaryExpression[ARITHMOD,IdentifierExpression[~c~0,],IntegerLiteral[256]]]]],IntegerLiteral[1]]] - ExceptionOrErrorResult: ClassCastException: de.uni_freiburg.informatik.ultimate.boogie.type.BoogiePrimitiveType cannot be cast to de.uni_freiburg.informatik.ultimate.boogie.type.BoogieStructType de.uni_freiburg.informatik.ultimate.boogie.preprocessor: ClassCastException: de.uni_freiburg.informatik.ultimate.boogie.type.BoogiePrimitiveType cannot be cast to de.uni_freiburg.informatik.ultimate.boogie.type.BoogieStructType: de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.processExpression(StructExpander.java:309) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...