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/eca-rers2012/Problem16_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:59:20,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:59:20,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:59:20,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:59:20,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:59:20,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:59:20,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:59:20,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:59:20,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:59:20,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:59:20,989 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:59:20,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:59:20,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:59:20,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:59:20,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:59:20,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:59:20,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:59:20,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:59:20,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:59:21,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:59:21,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:59:21,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:59:21,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:59:21,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:59:21,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:59:21,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:59:21,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:59:21,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:59:21,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:59:21,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:59:21,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:59:21,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:59:21,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:59:21,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:59:21,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:59:21,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:59:21,018 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 10:59:21,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:59:21,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:59:21,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:59:21,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:59:21,035 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:59:21,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:59:21,035 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:59:21,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:59:21,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:59:21,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:59:21,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:59:21,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:59:21,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:59:21,037 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:59:21,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:59:21,037 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:59:21,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:59:21,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:59:21,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:59:21,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:59:21,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:59:21,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:59:21,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:59:21,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:59:21,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:59:21,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:59:21,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:59:21,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:59:21,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:59:21,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:59:21,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:59:21,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:59:21,087 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:59:21,087 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:59:21,088 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label08.c [2019-08-08 10:59:21,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed33fa897/733b532f1e364d10b95888bc30c4432d/FLAG347133f03 [2019-08-08 10:59:21,850 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:59:21,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label08.c [2019-08-08 10:59:21,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed33fa897/733b532f1e364d10b95888bc30c4432d/FLAG347133f03 [2019-08-08 10:59:22,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed33fa897/733b532f1e364d10b95888bc30c4432d [2019-08-08 10:59:22,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:59:22,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:59:22,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:59:22,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:59:22,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:59:22,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:59:22" (1/1) ... [2019-08-08 10:59:22,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d68f7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:59:22, skipping insertion in model container [2019-08-08 10:59:22,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:59:22" (1/1) ... [2019-08-08 10:59:22,035 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:59:22,124 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:59:23,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:59:23,121 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:59:23,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:59:23,621 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:59:23,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:59:23 WrapperNode [2019-08-08 10:59:23,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:59:23,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:59:23,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:59:23,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:59:23,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:59:23" (1/1) ... [2019-08-08 10:59:23,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:59:23" (1/1) ... [2019-08-08 10:59:23,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:59:23" (1/1) ... [2019-08-08 10:59:23,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:59:23" (1/1) ... [2019-08-08 10:59:23,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:59:23" (1/1) ... [2019-08-08 10:59:23,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:59:23" (1/1) ... [2019-08-08 10:59:23,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:59:23" (1/1) ... [2019-08-08 10:59:23,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:59:23,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:59:23,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:59:23,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:59:23,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:59:23" (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 10:59:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:59:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:59:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:59:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 10:59:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:59:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:59:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 10:59:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:59:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:59:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:59:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:59:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:59:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:59:29,524 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:59:29,532 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:59:29,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:59:29 BoogieIcfgContainer [2019-08-08 10:59:29,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:59:29,534 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:59:29,534 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:59:29,536 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:59:29,538 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:59:29" (1/1) ... [2019-08-08 10:59:29,551 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:59:29,554 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:59:29,567 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:59:29,574 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:59:29,576 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:59:29,624 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 39 [2019-08-08 11:00:04,934 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 13 [2019-08-08 11:00:04,984 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:00:04,985 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:00:04,987 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 1041020#(and (= ~a16~0 8) (= ~a15~0 3) (= ~a12~0 7) (<= (+ ~a18~0 79) 0) (< 0 (+ ~a18~0 156))) [2019-08-08 11:00:04,988 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:00:04,997 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:00:05,000 INFO L168 Benchmark]: Toolchain (without parser) took 42984.89 ms. Allocated memory was 132.6 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 83.5 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-08 11:00:05,001 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:00:05,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1605.10 ms. Allocated memory was 132.6 MB in the beginning and 221.2 MB in the end (delta: 88.6 MB). Free memory was 83.5 MB in the beginning and 169.8 MB in the end (delta: -86.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:00:05,003 INFO L168 Benchmark]: Boogie Preprocessor took 183.18 ms. Allocated memory is still 221.2 MB. Free memory was 169.8 MB in the beginning and 159.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:00:05,004 INFO L168 Benchmark]: RCFGBuilder took 5727.26 ms. Allocated memory was 221.2 MB in the beginning and 276.8 MB in the end (delta: 55.6 MB). Free memory was 159.6 MB in the beginning and 88.3 MB in the end (delta: 71.3 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. [2019-08-08 11:00:05,005 INFO L168 Benchmark]: Symbolic Interpretation took 35462.77 ms. Allocated memory was 276.8 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 88.3 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-08 11:00:05,010 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 58]: 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 132.6 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1605.10 ms. Allocated memory was 132.6 MB in the beginning and 221.2 MB in the end (delta: 88.6 MB). Free memory was 83.5 MB in the beginning and 169.8 MB in the end (delta: -86.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 183.18 ms. Allocated memory is still 221.2 MB. Free memory was 169.8 MB in the beginning and 159.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5727.26 ms. Allocated memory was 221.2 MB in the beginning and 276.8 MB in the end (delta: 55.6 MB). Free memory was 159.6 MB in the beginning and 88.3 MB in the end (delta: 71.3 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 35462.77 ms. Allocated memory was 276.8 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 88.3 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...