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/array-industry-pattern/array_monotonic.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 10:35:39,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 10:35:39,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 10:35:39,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 10:35:39,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 10:35:39,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 10:35:39,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 10:35:39,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 10:35:39,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 10:35:39,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 10:35:39,057 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 10:35:39,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 10:35:39,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 10:35:39,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 10:35:39,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 10:35:39,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 10:35:39,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 10:35:39,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 10:35:39,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 10:35:39,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 10:35:39,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 10:35:39,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 10:35:39,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 10:35:39,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 10:35:39,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 10:35:39,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 10:35:39,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 10:35:39,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 10:35:39,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 10:35:39,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 10:35:39,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 10:35:39,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 10:35:39,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 10:35:39,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 10:35:39,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 10:35:39,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 10:35:39,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 10:35:39,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 10:35:39,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 10:35:39,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 10:35:39,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 10:35:39,085 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 [2019-08-14 10:35:39,111 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 10:35:39,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 10:35:39,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 10:35:39,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 10:35:39,114 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 10:35:39,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 10:35:39,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 10:35:39,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 10:35:39,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 10:35:39,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 10:35:39,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 10:35:39,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 10:35:39,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 10:35:39,118 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 10:35:39,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 10:35:39,118 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 10:35:39,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 10:35:39,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 10:35:39,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 10:35:39,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 10:35:39,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 10:35:39,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 10:35:39,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 10:35:39,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 10:35:39,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 10:35:39,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 10:35:39,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 10:35:39,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 10:35:39,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 10:35:39,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 10:35:39,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 10:35:39,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 10:35:39,180 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 10:35:39,181 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 10:35:39,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-industry-pattern/array_monotonic.i [2019-08-14 10:35:39,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a1c3b44/19615db759ef499da9783a9e662e3a8b/FLAG740924b02 [2019-08-14 10:35:39,696 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 10:35:39,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_monotonic.i [2019-08-14 10:35:39,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a1c3b44/19615db759ef499da9783a9e662e3a8b/FLAG740924b02 [2019-08-14 10:35:40,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a1c3b44/19615db759ef499da9783a9e662e3a8b [2019-08-14 10:35:40,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 10:35:40,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 10:35:40,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 10:35:40,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 10:35:40,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 10:35:40,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:35:40" (1/1) ... [2019-08-14 10:35:40,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d5fa42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:40, skipping insertion in model container [2019-08-14 10:35:40,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:35:40" (1/1) ... [2019-08-14 10:35:40,093 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 10:35:40,109 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 10:35:40,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:35:40,307 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 10:35:40,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:35:40,352 INFO L192 MainTranslator]: Completed translation [2019-08-14 10:35:40,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:40 WrapperNode [2019-08-14 10:35:40,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 10:35:40,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 10:35:40,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 10:35:40,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 10:35:40,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:40" (1/1) ... [2019-08-14 10:35:40,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:40" (1/1) ... [2019-08-14 10:35:40,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:40" (1/1) ... [2019-08-14 10:35:40,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:40" (1/1) ... [2019-08-14 10:35:40,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:40" (1/1) ... [2019-08-14 10:35:40,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:40" (1/1) ... [2019-08-14 10:35:40,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:40" (1/1) ... [2019-08-14 10:35:40,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 10:35:40,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 10:35:40,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 10:35:40,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 10:35:40,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:40" (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 [2019-08-14 10:35:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 10:35:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 10:35:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 10:35:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 10:35:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 10:35:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 10:35:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 10:35:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 10:35:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 10:35:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 10:35:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 10:35:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 10:35:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 10:35:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 10:35:40,809 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 10:35:40,809 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-14 10:35:40,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:35:40 BoogieIcfgContainer [2019-08-14 10:35:40,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 10:35:40,811 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 10:35:40,811 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 10:35:40,812 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 10:35:40,813 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:35:40" (1/1) ... [2019-08-14 10:35:41,421 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 10:35:41,423 INFO L168 Benchmark]: Toolchain (without parser) took 1344.91 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 87.2 MB in the beginning and 137.4 MB in the end (delta: -50.2 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-08-14 10:35:41,424 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 10:35:41,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.51 ms. Allocated memory is still 139.5 MB. Free memory was 86.8 MB in the beginning and 77.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-14 10:35:41,427 INFO L168 Benchmark]: Boogie Preprocessor took 199.69 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 77.2 MB in the beginning and 180.4 MB in the end (delta: -103.2 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-14 10:35:41,428 INFO L168 Benchmark]: RCFGBuilder took 256.18 ms. Allocated memory is still 202.9 MB. Free memory was 180.4 MB in the beginning and 166.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-08-14 10:35:41,429 INFO L168 Benchmark]: Symbolic Interpretation took 610.17 ms. Allocated memory is still 202.9 MB. Free memory was 166.3 MB in the beginning and 137.4 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-08-14 10:35:41,433 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 120#(and (exists ((|v_main_~#b~0.base_BEFORE_CALL_1| Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_prenex_3 Int) (|v_main_~#b~0.offset_BEFORE_CALL_1| Int) (v_main_~i~0_BEFORE_CALL_1 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (= 20 (select (select |#memory_int| |v_main_~#b~0.base_BEFORE_CALL_1|) (+ |v_main_~#b~0.offset_BEFORE_CALL_1| (* 4 v_main_~i~0_BEFORE_CALL_1))))) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 20 (select (select |#memory_int| v_prenex_3) (+ v_prenex_4 (* 4 v_prenex_5)))))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 275.51 ms. Allocated memory is still 139.5 MB. Free memory was 86.8 MB in the beginning and 77.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 199.69 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 77.2 MB in the beginning and 180.4 MB in the end (delta: -103.2 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.18 ms. Allocated memory is still 202.9 MB. Free memory was 180.4 MB in the beginning and 166.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 610.17 ms. Allocated memory is still 202.9 MB. Free memory was 166.3 MB in the beginning and 137.4 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...