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_3_2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:39:33,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:39:33,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:39:33,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:39:33,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:39:33,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:39:33,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:39:33,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:39:33,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:39:33,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:39:33,117 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:39:33,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:39:33,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:39:33,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:39:33,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:39:33,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:39:33,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:39:33,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:39:33,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:39:33,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:39:33,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:39:33,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:39:33,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:39:33,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:39:33,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:39:33,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:39:33,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:39:33,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:39:33,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:39:33,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:39:33,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:39:33,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:39:33,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:39:33,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:39:33,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:39:33,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:39:33,144 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 11:39:33,158 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:39:33,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:39:33,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:39:33,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:39:33,160 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:39:33,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:39:33,161 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:39:33,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:39:33,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:39:33,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:39:33,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:39:33,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:39:33,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:39:33,162 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:39:33,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:39:33,163 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:39:33,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:39:33,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:39:33,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:39:33,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:39:33,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:39:33,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:39:33,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:39:33,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:39:33,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:39:33,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:39:33,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:39:33,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:39:33,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:39:33,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:39:33,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:39:33,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:39:33,223 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:39:33,224 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:39:33,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_3_2.i [2019-08-08 11:39:33,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dde1c0c7e/c65562e1867242eaabce226efca8f55e/FLAG2209c2d73 [2019-08-08 11:39:33,749 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:39:33,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_3_2.i [2019-08-08 11:39:33,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dde1c0c7e/c65562e1867242eaabce226efca8f55e/FLAG2209c2d73 [2019-08-08 11:39:34,112 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dde1c0c7e/c65562e1867242eaabce226efca8f55e [2019-08-08 11:39:34,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:39:34,125 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:39:34,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:39:34,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:39:34,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:39:34,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:39:34" (1/1) ... [2019-08-08 11:39:34,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f71ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:34, skipping insertion in model container [2019-08-08 11:39:34,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:39:34" (1/1) ... [2019-08-08 11:39:34,142 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:39:34,163 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:39:34,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:39:34,398 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:39:34,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:39:34,461 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:39:34,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:34 WrapperNode [2019-08-08 11:39:34,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:39:34,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:39:34,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:39:34,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:39:34,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:34" (1/1) ... [2019-08-08 11:39:34,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:34" (1/1) ... [2019-08-08 11:39:34,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:34" (1/1) ... [2019-08-08 11:39:34,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:34" (1/1) ... [2019-08-08 11:39:34,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:34" (1/1) ... [2019-08-08 11:39:34,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:34" (1/1) ... [2019-08-08 11:39:34,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:34" (1/1) ... [2019-08-08 11:39:34,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:39:34,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:39:34,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:39:34,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:39:34,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:34" (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 11:39:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:39:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:39:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-08 11:39:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-08 11:39:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:39:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:39:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 11:39:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-08 11:39:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-08 11:39:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-08 11:39:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:39:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:39:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:39:34,972 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:39:34,973 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 11:39:34,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:39:34 BoogieIcfgContainer [2019-08-08 11:39:34,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:39:34,975 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:39:34,975 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:39:34,976 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:39:34,977 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:39:34" (1/1) ... [2019-08-08 11:39:34,992 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:39:34,995 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:39:35,002 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:39:35,024 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:39:35,026 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:39:35,074 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 11:39:35,114 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:39:35,115 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:39:35,119 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 29#(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_2 Bool)) (not v_~someBinaryDOUBLEComparisonOperation_2))) [2019-08-08 11:39:35,120 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:39:35,129 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:39:35,133 INFO L168 Benchmark]: Toolchain (without parser) took 1006.28 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 87.2 MB in the beginning and 162.1 MB in the end (delta: -74.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:39:35,134 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:39:35,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.33 ms. Allocated memory is still 138.9 MB. Free memory was 86.8 MB in the beginning and 77.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:35,136 INFO L168 Benchmark]: Boogie Preprocessor took 179.78 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 77.0 MB in the beginning and 179.7 MB in the end (delta: -102.8 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:35,137 INFO L168 Benchmark]: RCFGBuilder took 331.08 ms. Allocated memory is still 201.9 MB. Free memory was 179.7 MB in the beginning and 167.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:35,138 INFO L168 Benchmark]: Symbolic Interpretation took 154.20 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 162.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:35,143 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 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 337.33 ms. Allocated memory is still 138.9 MB. Free memory was 86.8 MB in the beginning and 77.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 179.78 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 77.0 MB in the beginning and 179.7 MB in the end (delta: -102.8 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 331.08 ms. Allocated memory is still 201.9 MB. Free memory was 179.7 MB in the beginning and 167.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 154.20 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 162.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...