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/Problem03_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:02:00,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:02:00,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:02:00,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:02:00,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:02:00,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:02:00,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:02:00,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:02:00,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:02:00,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:02:00,386 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:02:00,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:02:00,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:02:00,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:02:00,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:02:00,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:02:00,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:02:00,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:02:00,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:02:00,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:02:00,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:02:00,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:02:00,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:02:00,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:02:00,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:02:00,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:02:00,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:02:00,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:02:00,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:02:00,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:02:00,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:02:00,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:02:00,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:02:00,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:02:00,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:02:00,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:02:00,426 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 10:02:00,441 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:02:00,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:02:00,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:02:00,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:02:00,443 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:02:00,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:02:00,443 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:02:00,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:02:00,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:02:00,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:02:00,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:02:00,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:02:00,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:02:00,444 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:02:00,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:02:00,445 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:02:00,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:02:00,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:02:00,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:02:00,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:02:00,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:02:00,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:02:00,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:02:00,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:02:00,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:02:00,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:02:00,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:02:00,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:02:00,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:02:00,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:02:00,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:02:00,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:02:00,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:02:00,495 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:02:00,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label32.c [2019-08-08 10:02:00,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15969b9c9/18c9be4b08a64e0dbba851dffc168349/FLAG04cd440c0 [2019-08-08 10:02:01,176 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:02:01,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label32.c [2019-08-08 10:02:01,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15969b9c9/18c9be4b08a64e0dbba851dffc168349/FLAG04cd440c0 [2019-08-08 10:02:01,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15969b9c9/18c9be4b08a64e0dbba851dffc168349 [2019-08-08 10:02:01,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:02:01,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:02:01,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:02:01,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:02:01,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:02:01,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:02:01" (1/1) ... [2019-08-08 10:02:01,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53111321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:01, skipping insertion in model container [2019-08-08 10:02:01,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:02:01" (1/1) ... [2019-08-08 10:02:01,436 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:02:01,527 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:02:02,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:02:02,351 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:02:02,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:02:02,675 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:02:02,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:02 WrapperNode [2019-08-08 10:02:02,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:02:02,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:02:02,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:02:02,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:02:02,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:02" (1/1) ... [2019-08-08 10:02:02,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:02" (1/1) ... [2019-08-08 10:02:02,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:02" (1/1) ... [2019-08-08 10:02:02,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:02" (1/1) ... [2019-08-08 10:02:02,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:02" (1/1) ... [2019-08-08 10:02:02,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:02" (1/1) ... [2019-08-08 10:02:02,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:02" (1/1) ... [2019-08-08 10:02:02,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:02:02,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:02:02,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:02:02,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:02:02,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:02" (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 10:02:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:02:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:02:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:02:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:02:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:02:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:02:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:02:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:02:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:02:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:02:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:02:07,243 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:02:07,243 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:02:07,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:02:07 BoogieIcfgContainer [2019-08-08 10:02:07,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:02:07,245 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:02:07,246 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:02:07,246 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:02:07,247 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:02:07" (1/1) ... [2019-08-08 10:02:07,259 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:02:07,262 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:02:07,309 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:02:07,319 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:02:07,320 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:02:07,413 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 156 [2019-08-08 10:02:10,781 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 197 [2019-08-08 10:02:11,651 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:02:11,652 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:02:11,655 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 82261#(and (not (= ~a26~0 1)) (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a3~0) (= ~a27~0 1) (= 1 ~a6~0) (= ~a12~0 1) (= ~a11~0 1)) [2019-08-08 10:02:11,658 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:02:11,669 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:02:11,673 INFO L168 Benchmark]: Toolchain (without parser) took 10252.43 ms. Allocated memory was 134.7 MB in the beginning and 459.8 MB in the end (delta: 325.1 MB). Free memory was 83.3 MB in the beginning and 192.8 MB in the end (delta: -109.5 MB). Peak memory consumption was 361.8 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:11,674 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 106.7 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:02:11,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1256.75 ms. Allocated memory was 134.7 MB in the beginning and 222.3 MB in the end (delta: 87.6 MB). Free memory was 83.1 MB in the beginning and 169.1 MB in the end (delta: -86.0 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:11,678 INFO L168 Benchmark]: Boogie Preprocessor took 159.86 ms. Allocated memory is still 222.3 MB. Free memory was 169.1 MB in the beginning and 158.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:11,681 INFO L168 Benchmark]: RCFGBuilder took 4408.13 ms. Allocated memory was 222.3 MB in the beginning and 274.7 MB in the end (delta: 52.4 MB). Free memory was 158.0 MB in the beginning and 75.3 MB in the end (delta: 82.7 MB). Peak memory consumption was 135.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:11,683 INFO L168 Benchmark]: Symbolic Interpretation took 4423.47 ms. Allocated memory was 274.7 MB in the beginning and 459.8 MB in the end (delta: 185.1 MB). Free memory was 75.3 MB in the beginning and 192.8 MB in the end (delta: -117.5 MB). Peak memory consumption was 213.9 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:11,697 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1602]: 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 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 106.7 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1256.75 ms. Allocated memory was 134.7 MB in the beginning and 222.3 MB in the end (delta: 87.6 MB). Free memory was 83.1 MB in the beginning and 169.1 MB in the end (delta: -86.0 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 159.86 ms. Allocated memory is still 222.3 MB. Free memory was 169.1 MB in the beginning and 158.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4408.13 ms. Allocated memory was 222.3 MB in the beginning and 274.7 MB in the end (delta: 52.4 MB). Free memory was 158.0 MB in the beginning and 75.3 MB in the end (delta: 82.7 MB). Peak memory consumption was 135.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4423.47 ms. Allocated memory was 274.7 MB in the beginning and 459.8 MB in the end (delta: 185.1 MB). Free memory was 75.3 MB in the beginning and 192.8 MB in the end (delta: -117.5 MB). Peak memory consumption was 213.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...