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_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:01:58,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:01:58,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:01:58,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:01:58,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:01:58,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:01:58,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:01:58,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:01:58,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:01:58,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:01:58,048 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:01:58,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:01:58,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:01:58,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:01:58,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:01:58,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:01:58,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:01:58,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:01:58,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:01:58,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:01:58,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:01:58,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:01:58,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:01:58,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:01:58,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:01:58,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:01:58,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:01:58,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:01:58,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:01:58,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:01:58,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:01:58,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:01:58,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:01:58,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:01:58,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:01:58,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:01:58,078 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 11:01:58,093 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:01:58,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:01:58,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:01:58,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:01:58,095 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:01:58,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:01:58,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:01:58,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:01:58,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:01:58,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:01:58,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:01:58,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:01:58,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:01:58,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:01:58,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:01:58,098 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:01:58,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:01:58,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:01:58,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:01:58,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:01:58,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:01:58,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:01:58,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:01:58,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:01:58,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:01:58,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:01:58,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:01:58,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:01:58,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:01:58,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:01:58,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:01:58,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:01:58,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:01:58,149 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:01:58,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label55.c [2019-08-08 11:01:58,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0034fa0c9/569f5aba76624988aa273c2d70bc2ed6/FLAG1232bb8ae [2019-08-08 11:01:58,844 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:01:58,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label55.c [2019-08-08 11:01:58,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0034fa0c9/569f5aba76624988aa273c2d70bc2ed6/FLAG1232bb8ae [2019-08-08 11:01:58,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0034fa0c9/569f5aba76624988aa273c2d70bc2ed6 [2019-08-08 11:01:59,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:01:59,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:01:59,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:01:59,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:01:59,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:01:59,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:01:58" (1/1) ... [2019-08-08 11:01:59,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0ff310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:01:59, skipping insertion in model container [2019-08-08 11:01:59,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:01:58" (1/1) ... [2019-08-08 11:01:59,031 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:01:59,138 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:01:59,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:01:59,901 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:02:00,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:02:00,599 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:02:00,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:00 WrapperNode [2019-08-08 11:02:00,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:02:00,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:02:00,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:02:00,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:02:00,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:00" (1/1) ... [2019-08-08 11:02:00,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:00" (1/1) ... [2019-08-08 11:02:00,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:00" (1/1) ... [2019-08-08 11:02:00,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:00" (1/1) ... [2019-08-08 11:02:00,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:00" (1/1) ... [2019-08-08 11:02:00,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:00" (1/1) ... [2019-08-08 11:02:00,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:00" (1/1) ... [2019-08-08 11:02:00,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:02:00,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:02:00,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:02:00,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:02:00,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:00" (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 11:02:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:02:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:02:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 11:02:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 11:02:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:02:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 11:02:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 11:02:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:02:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:02:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:02:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:02:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:02:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:02:07,012 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:02:07,012 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:02:07,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:02:07 BoogieIcfgContainer [2019-08-08 11:02:07,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:02:07,015 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:02:07,015 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:02:07,016 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:02:07,020 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:02:07" (1/1) ... [2019-08-08 11:02:07,049 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:02:07,058 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:02:07,080 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:02:07,091 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:02:07,092 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:02:07,161 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 39 [2019-08-08 11:02:45,601 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 13 [2019-08-08 11:02:45,805 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:02:45,805 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:02:45,808 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 1048045#(and (<= (+ ~a18~0 156) 0) (= ~a15~0 3) (= ~a16~0 10) (= ~a12~0 9)) [2019-08-08 11:02:45,809 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:02:45,819 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:02:45,822 INFO L168 Benchmark]: Toolchain (without parser) took 46812.47 ms. Allocated memory was 130.5 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 81.4 MB in the beginning and 305.8 MB in the end (delta: -224.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-08 11:02:45,823 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 130.5 MB. Free memory is still 104.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:02:45,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1587.25 ms. Allocated memory was 130.5 MB in the beginning and 213.9 MB in the end (delta: 83.4 MB). Free memory was 81.4 MB in the beginning and 163.3 MB in the end (delta: -81.9 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:02:45,826 INFO L168 Benchmark]: Boogie Preprocessor took 219.68 ms. Allocated memory is still 213.9 MB. Free memory was 163.3 MB in the beginning and 151.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:02:45,828 INFO L168 Benchmark]: RCFGBuilder took 6194.06 ms. Allocated memory was 213.9 MB in the beginning and 287.8 MB in the end (delta: 73.9 MB). Free memory was 151.7 MB in the beginning and 98.1 MB in the end (delta: 53.6 MB). Peak memory consumption was 127.5 MB. Max. memory is 7.1 GB. [2019-08-08 11:02:45,830 INFO L168 Benchmark]: Symbolic Interpretation took 38803.70 ms. Allocated memory was 287.8 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 98.1 MB in the beginning and 305.8 MB in the end (delta: -207.7 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-08 11:02:45,840 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 178]: 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 0.19 ms. Allocated memory is still 130.5 MB. Free memory is still 104.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1587.25 ms. Allocated memory was 130.5 MB in the beginning and 213.9 MB in the end (delta: 83.4 MB). Free memory was 81.4 MB in the beginning and 163.3 MB in the end (delta: -81.9 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 219.68 ms. Allocated memory is still 213.9 MB. Free memory was 163.3 MB in the beginning and 151.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6194.06 ms. Allocated memory was 213.9 MB in the beginning and 287.8 MB in the end (delta: 73.9 MB). Free memory was 151.7 MB in the beginning and 98.1 MB in the end (delta: 53.6 MB). Peak memory consumption was 127.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 38803.70 ms. Allocated memory was 287.8 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 98.1 MB in the beginning and 305.8 MB in the end (delta: -207.7 MB). 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...