java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/newton_1_3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:39:07,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:39:07,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:39:07,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:39:07,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:39:07,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:39:07,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:39:07,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:39:07,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:39:07,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:39:07,559 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:39:07,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:39:07,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:39:07,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:39:07,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:39:07,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:39:07,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:39:07,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:39:07,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:39:07,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:39:07,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:39:07,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:39:07,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:39:07,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:39:07,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:39:07,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:39:07,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:39:07,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:39:07,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:39:07,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:39:07,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:39:07,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:39:07,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:39:07,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:39:07,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:39:07,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:39:07,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-08 11:39:07,599 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:39:07,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:39:07,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:39:07,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:39:07,601 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:39:07,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:39:07,602 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:39:07,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:39:07,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:39:07,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:39:07,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:39:07,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:39:07,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:39:07,604 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:39:07,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:39:07,605 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:39:07,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:39:07,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:39:07,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:39:07,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:39:07,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:39:07,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:39:07,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:39:07,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:39:07,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:39:07,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:39:07,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:39:07,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:39:07,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:39:07,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:39:07,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:39:07,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:39:07,667 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:39:07,668 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:39:07,668 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_3.i [2019-08-08 11:39:07,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aae55a439/e8c6a1a230af496b922923ee624d1e97/FLAG6f5686a86 [2019-08-08 11:39:08,182 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:39:08,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_3.i [2019-08-08 11:39:08,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aae55a439/e8c6a1a230af496b922923ee624d1e97/FLAG6f5686a86 [2019-08-08 11:39:08,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aae55a439/e8c6a1a230af496b922923ee624d1e97 [2019-08-08 11:39:08,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:39:08,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:39:08,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:39:08,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:39:08,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:39:08,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:39:08" (1/1) ... [2019-08-08 11:39:08,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ad5b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:08, skipping insertion in model container [2019-08-08 11:39:08,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:39:08" (1/1) ... [2019-08-08 11:39:08,605 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:39:08,621 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:39:08,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:39:08,844 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:39:08,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:39:08,877 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:39:08,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:08 WrapperNode [2019-08-08 11:39:08,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:39:08,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:39:08,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:39:08,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:39:08,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:08" (1/1) ... [2019-08-08 11:39:08,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:08" (1/1) ... [2019-08-08 11:39:08,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:08" (1/1) ... [2019-08-08 11:39:08,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:08" (1/1) ... [2019-08-08 11:39:08,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:08" (1/1) ... [2019-08-08 11:39:08,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:08" (1/1) ... [2019-08-08 11:39:08,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:08" (1/1) ... [2019-08-08 11:39:09,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:39:09,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:39:09,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:39:09,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:39:09,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:39:09,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:39:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:39:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-08 11:39:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-08 11:39:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:39:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:39:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 11:39:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-08 11:39:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-08 11:39:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-08 11:39:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:39:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:39:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:39:09,247 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:39:09,248 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 11:39:09,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:39:09 BoogieIcfgContainer [2019-08-08 11:39:09,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:39:09,250 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:39:09,250 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:39:09,250 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:39:09,251 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:39:09" (1/1) ... [2019-08-08 11:39:09,263 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:39:09,266 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:39:09,272 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:39:09,284 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:39:09,286 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:39:09,353 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 11:39:09,416 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:39:09,417 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:39:09,419 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 23#(and (exists ((v_~someBinaryFLOATComparisonOperation_3 Bool) (v_~someBinaryFLOATComparisonOperation_4 Bool)) (not (= 0 (ite (and v_~someBinaryFLOATComparisonOperation_3 v_~someBinaryFLOATComparisonOperation_4) 1 0)))) (exists ((v_~someBinaryDOUBLEComparisonOperation_4 Bool)) (not v_~someBinaryDOUBLEComparisonOperation_4))) [2019-08-08 11:39:09,420 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:39:09,425 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:39:09,428 INFO L168 Benchmark]: Toolchain (without parser) took 838.26 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 90.2 MB in the beginning and 162.2 MB in the end (delta: -71.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:39:09,429 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:39:09,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.12 ms. Allocated memory is still 134.2 MB. Free memory was 90.0 MB in the beginning and 79.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:09,431 INFO L168 Benchmark]: Boogie Preprocessor took 122.01 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 79.9 MB in the beginning and 178.3 MB in the end (delta: -98.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:09,432 INFO L168 Benchmark]: RCFGBuilder took 248.70 ms. Allocated memory is still 201.3 MB. Free memory was 178.3 MB in the beginning and 166.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:09,433 INFO L168 Benchmark]: Symbolic Interpretation took 175.69 ms. Allocated memory is still 201.3 MB. Free memory was 166.9 MB in the beginning and 162.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:09,436 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 288.12 ms. Allocated memory is still 134.2 MB. Free memory was 90.0 MB in the beginning and 79.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.01 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 79.9 MB in the beginning and 178.3 MB in the end (delta: -98.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 248.70 ms. Allocated memory is still 201.3 MB. Free memory was 178.3 MB in the beginning and 166.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 175.69 ms. Allocated memory is still 201.3 MB. Free memory was 166.9 MB in the beginning and 162.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...