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/loop-new/gauss_sum.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:46:46,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:46:46,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:46:46,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:46:46,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:46:46,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:46:46,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:46:46,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:46:46,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:46:46,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:46:46,752 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:46:46,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:46:46,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:46:46,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:46:46,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:46:46,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:46:46,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:46:46,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:46:46,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:46:46,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:46:46,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:46:46,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:46:46,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:46:46,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:46:46,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:46:46,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:46:46,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:46:46,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:46:46,788 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 11:46:46,808 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:46:46,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:46:46,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:46:46,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:46:46,810 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:46:46,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:46:46,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:46:46,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:46:46,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:46:46,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:46:46,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:46:46,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:46:46,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:46:46,812 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:46:46,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:46:46,812 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:46:46,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:46:46,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:46:46,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:46:46,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:46:46,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:46:46,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:46:46,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:46:46,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:46:46,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:46:46,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:46:46,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:46:46,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:46:46,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:46:46,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:46:46,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:46:46,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:46:46,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:46:46,860 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:46:46,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i [2019-08-08 11:46:46,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3753416d5/8db1b4cba91944c0ac9eb3830eb3d017/FLAGd5ea56cb2 [2019-08-08 11:46:47,296 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:46:47,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i [2019-08-08 11:46:47,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3753416d5/8db1b4cba91944c0ac9eb3830eb3d017/FLAGd5ea56cb2 [2019-08-08 11:46:47,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3753416d5/8db1b4cba91944c0ac9eb3830eb3d017 [2019-08-08 11:46:47,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:46:47,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:46:47,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:46:47,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:46:47,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:46:47,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:46:47" (1/1) ... [2019-08-08 11:46:47,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5c8625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:47, skipping insertion in model container [2019-08-08 11:46:47,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:46:47" (1/1) ... [2019-08-08 11:46:47,718 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:46:47,736 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:46:47,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:46:47,896 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:46:47,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:46:47,925 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:46:47,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:47 WrapperNode [2019-08-08 11:46:47,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:46:47,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:46:47,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:46:47,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:46:47,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:47" (1/1) ... [2019-08-08 11:46:47,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:47" (1/1) ... [2019-08-08 11:46:47,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:47" (1/1) ... [2019-08-08 11:46:47,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:47" (1/1) ... [2019-08-08 11:46:47,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:47" (1/1) ... [2019-08-08 11:46:47,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:47" (1/1) ... [2019-08-08 11:46:47,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:47" (1/1) ... [2019-08-08 11:46:47,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:46:47,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:46:47,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:46:47,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:46:47,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:47" (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 11:46:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:46:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:46:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-08 11:46:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:46:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:46:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 11:46:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-08 11:46:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:46:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:46:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:46:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:46:48,377 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:46:48,378 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:46:48,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:46:48 BoogieIcfgContainer [2019-08-08 11:46:48,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:46:48,381 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:46:48,381 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:46:48,382 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:46:48,383 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:46:48" (1/1) ... [2019-08-08 11:46:48,396 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:46:48,400 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:46:48,410 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:46:48,420 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:46:48,422 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:46:48,474 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 11:46:48,625 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 31 [2019-08-08 11:46:48,642 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:46:48,642 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:46:48,649 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 46#(and (exists ((v_main_~n~0_BEFORE_CALL_1 Int) (v_main_~i~0_BEFORE_CALL_1 Int) (v_main_~sum~0_BEFORE_CALL_1 Int)) (and (or (and (not (<= v_main_~i~0_BEFORE_CALL_1 v_main_~n~0_BEFORE_CALL_1)) (<= v_main_~i~0_BEFORE_CALL_1 (+ v_main_~n~0_BEFORE_CALL_1 1))) (and (<= 0 (+ v_main_~n~0_BEFORE_CALL_1 2147483648)) (<= 1 v_main_~n~0_BEFORE_CALL_1) (= v_main_~i~0_BEFORE_CALL_1 1) (<= v_main_~n~0_BEFORE_CALL_1 2147483647) (not (<= v_main_~i~0_BEFORE_CALL_1 v_main_~n~0_BEFORE_CALL_1)) (= 0 v_main_~sum~0_BEFORE_CALL_1) (<= v_main_~n~0_BEFORE_CALL_1 1000))) (= (ite (= (* 2 v_main_~sum~0_BEFORE_CALL_1) (* v_main_~n~0_BEFORE_CALL_1 (+ v_main_~n~0_BEFORE_CALL_1 1))) 1 0) |__VERIFIER_assert_#in~cond|))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-08 11:46:48,651 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:46:48,671 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:46:48,677 INFO L168 Benchmark]: Toolchain (without parser) took 972.08 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 91.1 MB in the beginning and 160.3 MB in the end (delta: -69.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:46:48,679 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 108.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:46:48,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.22 ms. Allocated memory is still 133.7 MB. Free memory was 90.9 MB in the beginning and 81.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:48,682 INFO L168 Benchmark]: Boogie Preprocessor took 27.34 ms. Allocated memory is still 133.7 MB. Free memory was 81.7 MB in the beginning and 80.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:48,684 INFO L168 Benchmark]: RCFGBuilder took 426.01 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 80.1 MB in the beginning and 166.5 MB in the end (delta: -86.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:48,686 INFO L168 Benchmark]: Symbolic Interpretation took 290.80 ms. Allocated memory is still 200.3 MB. Free memory was 166.5 MB in the beginning and 160.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:48,698 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 108.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.22 ms. Allocated memory is still 133.7 MB. Free memory was 90.9 MB in the beginning and 81.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.34 ms. Allocated memory is still 133.7 MB. Free memory was 81.7 MB in the beginning and 80.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 426.01 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 80.1 MB in the beginning and 166.5 MB in the end (delta: -86.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 290.80 ms. Allocated memory is still 200.3 MB. Free memory was 166.5 MB in the beginning and 160.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...