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/Problem11_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:49:04,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:49:04,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:49:04,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:49:04,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:49:04,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:49:04,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:49:04,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:49:04,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:49:04,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:49:04,250 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:49:04,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:49:04,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:49:04,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:49:04,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:49:04,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:49:04,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:49:04,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:49:04,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:49:04,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:49:04,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:49:04,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:49:04,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:49:04,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:49:04,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:49:04,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:49:04,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:49:04,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:49:04,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:49:04,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:49:04,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:49:04,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:49:04,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:49:04,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:49:04,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:49:04,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:49:04,295 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 10:49:04,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:49:04,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:49:04,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:49:04,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:49:04,328 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:49:04,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:49:04,328 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:49:04,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:49:04,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:49:04,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:49:04,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:49:04,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:49:04,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:49:04,331 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:49:04,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:49:04,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:49:04,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:49:04,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:49:04,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:49:04,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:49:04,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:49:04,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:49:04,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:49:04,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:49:04,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:49:04,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:49:04,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:49:04,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:49:04,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:49:04,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:49:04,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:49:04,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:49:04,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:49:04,413 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:49:04,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label32.c [2019-08-08 10:49:04,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9becd2d96/9851f41d30674667a9b39ecde8b179a8/FLAG81f3df599 [2019-08-08 10:49:05,090 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:49:05,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label32.c [2019-08-08 10:49:05,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9becd2d96/9851f41d30674667a9b39ecde8b179a8/FLAG81f3df599 [2019-08-08 10:49:05,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9becd2d96/9851f41d30674667a9b39ecde8b179a8 [2019-08-08 10:49:05,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:49:05,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:49:05,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:49:05,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:49:05,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:49:05,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:49:05" (1/1) ... [2019-08-08 10:49:05,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4385676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:05, skipping insertion in model container [2019-08-08 10:49:05,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:49:05" (1/1) ... [2019-08-08 10:49:05,349 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:49:05,403 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:49:05,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:49:05,957 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:49:06,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:49:06,485 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:49:06,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:06 WrapperNode [2019-08-08 10:49:06,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:49:06,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:49:06,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:49:06,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:49:06,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:06" (1/1) ... [2019-08-08 10:49:06,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:06" (1/1) ... [2019-08-08 10:49:06,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:06" (1/1) ... [2019-08-08 10:49:06,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:06" (1/1) ... [2019-08-08 10:49:06,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:06" (1/1) ... [2019-08-08 10:49:06,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:06" (1/1) ... [2019-08-08 10:49:06,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:06" (1/1) ... [2019-08-08 10:49:06,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:49:06,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:49:06,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:49:06,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:49:06,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:06" (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 10:49:06,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:49:06,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:49:06,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:49:06,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:49:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:49:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:49:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:49:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:49:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:49:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:49:06,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:49:11,038 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:49:11,039 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:49:11,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:49:11 BoogieIcfgContainer [2019-08-08 10:49:11,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:49:11,041 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:49:11,041 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:49:11,041 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:49:11,042 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:49:11" (1/1) ... [2019-08-08 10:49:11,055 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:49:11,057 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:49:11,069 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:49:11,077 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:49:11,078 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:49:11,130 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 43 [2019-08-08 10:49:26,346 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 85 [2019-08-08 10:49:26,578 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:49:26,579 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:49:26,583 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 473308#(and (= ~a25~0 12) (= 1 ~a3~0) (< 0 (+ ~a23~0 43)) (<= ~a23~0 138) (= 15 ~a8~0) (<= ~a29~0 277) (= 1 ~a4~0) (< 245 ~a29~0)) [2019-08-08 10:49:26,584 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:49:26,593 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:49:26,597 INFO L168 Benchmark]: Toolchain (without parser) took 21263.02 ms. Allocated memory was 142.6 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 87.5 MB in the beginning and 311.8 MB in the end (delta: -224.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-08 10:49:26,598 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 142.6 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:49:26,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1154.59 ms. Allocated memory was 142.6 MB in the beginning and 227.0 MB in the end (delta: 84.4 MB). Free memory was 87.1 MB in the beginning and 188.2 MB in the end (delta: -101.2 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:49:26,602 INFO L168 Benchmark]: Boogie Preprocessor took 169.54 ms. Allocated memory is still 227.0 MB. Free memory was 188.2 MB in the beginning and 179.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:49:26,604 INFO L168 Benchmark]: RCFGBuilder took 4382.19 ms. Allocated memory was 227.0 MB in the beginning and 272.1 MB in the end (delta: 45.1 MB). Free memory was 179.7 MB in the beginning and 176.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:49:26,606 INFO L168 Benchmark]: Symbolic Interpretation took 15552.59 ms. Allocated memory was 272.1 MB in the beginning and 1.2 GB in the end (delta: 977.3 MB). Free memory was 176.6 MB in the beginning and 311.8 MB in the end (delta: -135.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-08 10:49:26,616 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 126]: 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 0.42 ms. Allocated memory is still 142.6 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1154.59 ms. Allocated memory was 142.6 MB in the beginning and 227.0 MB in the end (delta: 84.4 MB). Free memory was 87.1 MB in the beginning and 188.2 MB in the end (delta: -101.2 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 169.54 ms. Allocated memory is still 227.0 MB. Free memory was 188.2 MB in the beginning and 179.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4382.19 ms. Allocated memory was 227.0 MB in the beginning and 272.1 MB in the end (delta: 45.1 MB). Free memory was 179.7 MB in the beginning and 176.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15552.59 ms. Allocated memory was 272.1 MB in the beginning and 1.2 GB in the end (delta: 977.3 MB). Free memory was 176.6 MB in the beginning and 311.8 MB in the end (delta: -135.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...