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_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:02:27,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:02:27,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:02:27,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:02:27,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:02:27,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:02:27,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:02:27,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:02:27,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:02:27,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:02:27,866 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:02:27,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:02:27,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:02:27,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:02:27,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:02:27,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:02:27,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:02:27,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:02:27,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:02:27,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:02:27,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:02:27,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:02:27,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:02:27,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:02:27,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:02:27,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:02:27,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:02:27,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:02:27,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:02:27,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:02:27,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:02:27,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:02:27,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:02:27,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:02:27,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:02:27,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:02:27,902 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 10:02:27,922 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:02:27,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:02:27,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:02:27,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:02:27,925 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:02:27,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:02:27,925 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:02:27,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:02:27,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:02:27,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:02:27,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:02:27,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:02:27,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:02:27,931 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:02:27,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:02:27,931 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:02:27,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:02:27,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:02:27,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:02:27,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:02:27,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:02:27,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:02:27,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:02:27,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:02:27,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:02:27,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:02:27,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:02:27,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:02:27,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:02:27,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:02:28,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:02:28,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:02:28,015 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:02:28,015 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:02:28,016 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label49.c [2019-08-08 10:02:28,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5c53dbe5/61ace26991764e6a8caadc689cb98746/FLAG61d71ddbf [2019-08-08 10:02:28,677 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:02:28,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label49.c [2019-08-08 10:02:28,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5c53dbe5/61ace26991764e6a8caadc689cb98746/FLAG61d71ddbf [2019-08-08 10:02:28,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5c53dbe5/61ace26991764e6a8caadc689cb98746 [2019-08-08 10:02:28,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:02:28,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:02:28,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:02:28,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:02:28,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:02:28,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:02:28" (1/1) ... [2019-08-08 10:02:28,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec297d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:28, skipping insertion in model container [2019-08-08 10:02:28,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:02:28" (1/1) ... [2019-08-08 10:02:28,957 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:02:29,048 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:02:29,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:02:29,855 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:02:30,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:02:30,280 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:02:30,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:30 WrapperNode [2019-08-08 10:02:30,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:02:30,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:02:30,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:02:30,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:02:30,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:30" (1/1) ... [2019-08-08 10:02:30,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:30" (1/1) ... [2019-08-08 10:02:30,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:30" (1/1) ... [2019-08-08 10:02:30,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:30" (1/1) ... [2019-08-08 10:02:30,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:30" (1/1) ... [2019-08-08 10:02:30,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:30" (1/1) ... [2019-08-08 10:02:30,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:30" (1/1) ... [2019-08-08 10:02:30,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:02:30,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:02:30,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:02:30,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:02:30,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:30" (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 10:02:30,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:02:30,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:02:30,526 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:02:30,526 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:02:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:02:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:02:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:02:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:02:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:02:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:02:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:02:35,273 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:02:35,274 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:02:35,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:02:35 BoogieIcfgContainer [2019-08-08 10:02:35,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:02:35,276 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:02:35,276 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:02:35,277 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:02:35,278 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:02:35" (1/1) ... [2019-08-08 10:02:35,290 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:02:35,293 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:02:35,304 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:02:35,312 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:02:35,314 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:02:35,391 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 156 [2019-08-08 10:02:38,722 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 197 [2019-08-08 10:02:39,382 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:02:39,384 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:02:39,386 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 61611#(and (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a3~0) (= 1 ~a6~0) (= ~a12~0 1) (not (= ~a27~0 1)) (not (= ~a11~0 1)) (= ~a26~0 1)) [2019-08-08 10:02:39,388 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:02:39,395 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:02:39,398 INFO L168 Benchmark]: Toolchain (without parser) took 10458.92 ms. Allocated memory was 132.1 MB in the beginning and 475.5 MB in the end (delta: 343.4 MB). Free memory was 83.4 MB in the beginning and 355.5 MB in the end (delta: -272.0 MB). Peak memory consumption was 377.8 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:39,400 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 132.1 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:02:39,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1341.59 ms. Allocated memory was 132.1 MB in the beginning and 218.1 MB in the end (delta: 86.0 MB). Free memory was 83.2 MB in the beginning and 164.3 MB in the end (delta: -81.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:39,403 INFO L168 Benchmark]: Boogie Preprocessor took 180.58 ms. Allocated memory is still 218.1 MB. Free memory was 164.3 MB in the beginning and 152.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:39,405 INFO L168 Benchmark]: RCFGBuilder took 4813.21 ms. Allocated memory was 218.1 MB in the beginning and 278.9 MB in the end (delta: 60.8 MB). Free memory was 152.8 MB in the beginning and 81.0 MB in the end (delta: 71.8 MB). Peak memory consumption was 132.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:39,407 INFO L168 Benchmark]: Symbolic Interpretation took 4119.49 ms. Allocated memory was 278.9 MB in the beginning and 475.5 MB in the end (delta: 196.6 MB). Free memory was 81.0 MB in the beginning and 355.5 MB in the end (delta: -274.5 MB). Peak memory consumption was 228.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:39,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1539]: 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 0.47 ms. Allocated memory is still 132.1 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1341.59 ms. Allocated memory was 132.1 MB in the beginning and 218.1 MB in the end (delta: 86.0 MB). Free memory was 83.2 MB in the beginning and 164.3 MB in the end (delta: -81.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 180.58 ms. Allocated memory is still 218.1 MB. Free memory was 164.3 MB in the beginning and 152.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4813.21 ms. Allocated memory was 218.1 MB in the beginning and 278.9 MB in the end (delta: 60.8 MB). Free memory was 152.8 MB in the beginning and 81.0 MB in the end (delta: 71.8 MB). Peak memory consumption was 132.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4119.49 ms. Allocated memory was 278.9 MB in the beginning and 475.5 MB in the end (delta: 196.6 MB). Free memory was 81.0 MB in the beginning and 355.5 MB in the end (delta: -274.5 MB). Peak memory consumption was 228.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...