java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BPP-RCFG.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product27_true-unreach-call_true-termination.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-52b0504 [2018-11-16 00:18:42,461 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-16 00:18:42,464 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-16 00:18:42,478 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-16 00:18:42,479 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-16 00:18:42,480 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-16 00:18:42,481 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-16 00:18:42,483 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-16 00:18:42,484 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-16 00:18:42,485 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-16 00:18:42,486 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-16 00:18:42,486 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-16 00:18:42,487 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-16 00:18:42,488 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-16 00:18:42,490 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-16 00:18:42,490 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-16 00:18:42,491 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-16 00:18:42,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-16 00:18:42,495 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-16 00:18:42,497 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-16 00:18:42,498 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-16 00:18:42,500 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-16 00:18:42,506 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-16 00:18:42,506 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-16 00:18:42,506 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-16 00:18:42,507 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-16 00:18:42,513 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-16 00:18:42,514 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-16 00:18:42,515 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-16 00:18:42,516 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-16 00:18:42,516 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-16 00:18:42,517 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-16 00:18:42,517 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-16 00:18:42,517 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-16 00:18:42,518 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-16 00:18:42,523 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-16 00:18:42,523 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-16 00:18:42,556 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-16 00:18:42,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-16 00:18:42,558 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-16 00:18:42,558 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-16 00:18:42,558 INFO L133 SettingsManager]: * Use SBE=true [2018-11-16 00:18:42,558 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-16 00:18:42,559 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-16 00:18:42,559 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-16 00:18:42,559 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-16 00:18:42,559 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-16 00:18:42,559 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-16 00:18:42,561 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-16 00:18:42,561 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-16 00:18:42,561 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-16 00:18:42,561 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-16 00:18:42,561 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-16 00:18:42,561 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-16 00:18:42,562 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-16 00:18:42,562 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-16 00:18:42,562 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-16 00:18:42,562 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-16 00:18:42,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-16 00:18:42,564 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-16 00:18:42,564 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-16 00:18:42,564 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-16 00:18:42,564 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-16 00:18:42,565 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-16 00:18:42,565 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-16 00:18:42,567 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2018-11-16 00:18:42,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-16 00:18:42,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-16 00:18:42,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-16 00:18:42,638 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-16 00:18:42,639 INFO L276 PluginConnector]: CDTParser initialized [2018-11-16 00:18:42,640 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product27_true-unreach-call_true-termination.cil.c [2018-11-16 00:18:42,698 INFO L219 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3230ee82/bb6acc84f6db4b789bc55879f81bfcc2/FLAG4079d6ec0 [2018-11-16 00:18:43,325 INFO L304 CDTParser]: Found 1 translation units. [2018-11-16 00:18:43,327 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product27_true-unreach-call_true-termination.cil.c [2018-11-16 00:18:43,361 INFO L352 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3230ee82/bb6acc84f6db4b789bc55879f81bfcc2/FLAG4079d6ec0 [2018-11-16 00:18:43,515 INFO L360 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3230ee82/bb6acc84f6db4b789bc55879f81bfcc2 [2018-11-16 00:18:43,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-16 00:18:43,529 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-11-16 00:18:43,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-16 00:18:43,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-16 00:18:43,534 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-16 00:18:43,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:18:43" (1/1) ... [2018-11-16 00:18:43,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42cd03a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:43, skipping insertion in model container [2018-11-16 00:18:43,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:18:43" (1/1) ... [2018-11-16 00:18:43,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-16 00:18:43,640 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-16 00:18:44,570 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-16 00:18:44,587 INFO L191 MainTranslator]: Completed pre-run [2018-11-16 00:18:44,934 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-16 00:18:45,064 INFO L195 MainTranslator]: Completed translation [2018-11-16 00:18:45,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:45 WrapperNode [2018-11-16 00:18:45,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-16 00:18:45,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-16 00:18:45,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-16 00:18:45,066 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-16 00:18:45,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:45" (1/1) ... [2018-11-16 00:18:45,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:45" (1/1) ... [2018-11-16 00:18:45,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:45" (1/1) ... [2018-11-16 00:18:45,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:45" (1/1) ... [2018-11-16 00:18:45,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:45" (1/1) ... [2018-11-16 00:18:45,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:45" (1/1) ... [2018-11-16 00:18:45,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:45" (1/1) ... [2018-11-16 00:18:45,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-16 00:18:45,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-16 00:18:45,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-16 00:18:45,302 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-16 00:18:45,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:45" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-16 00:18:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-16 00:18:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-16 00:18:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-16 00:18:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-16 00:18:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2018-11-16 00:18:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2018-11-16 00:18:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2018-11-16 00:18:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2018-11-16 00:18:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2018-11-16 00:18:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2018-11-16 00:18:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2018-11-16 00:18:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2018-11-16 00:18:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2018-11-16 00:18:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2018-11-16 00:18:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2018-11-16 00:18:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2018-11-16 00:18:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2018-11-16 00:18:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2018-11-16 00:18:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2018-11-16 00:18:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2018-11-16 00:18:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2018-11-16 00:18:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2018-11-16 00:18:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2018-11-16 00:18:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2018-11-16 00:18:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2018-11-16 00:18:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2018-11-16 00:18:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2018-11-16 00:18:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-16 00:18:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2018-11-16 00:18:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2018-11-16 00:18:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2018-11-16 00:18:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2018-11-16 00:18:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2018-11-16 00:18:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2018-11-16 00:18:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2018-11-16 00:18:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2018-11-16 00:18:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2018-11-16 00:18:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2018-11-16 00:18:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2018-11-16 00:18:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2018-11-16 00:18:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2018-11-16 00:18:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2018-11-16 00:18:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2018-11-16 00:18:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2018-11-16 00:18:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2018-11-16 00:18:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2018-11-16 00:18:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2018-11-16 00:18:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2018-11-16 00:18:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2018-11-16 00:18:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2018-11-16 00:18:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2018-11-16 00:18:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2018-11-16 00:18:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2018-11-16 00:18:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2018-11-16 00:18:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2018-11-16 00:18:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2018-11-16 00:18:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2018-11-16 00:18:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-16 00:18:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-16 00:18:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2018-11-16 00:18:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2018-11-16 00:18:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2018-11-16 00:18:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2018-11-16 00:18:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2018-11-16 00:18:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2018-11-16 00:18:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2018-11-16 00:18:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2018-11-16 00:18:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2018-11-16 00:18:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2018-11-16 00:18:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2018-11-16 00:18:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2018-11-16 00:18:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-16 00:18:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-16 00:18:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-16 00:18:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-16 00:18:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2018-11-16 00:18:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2018-11-16 00:18:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2018-11-16 00:18:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2018-11-16 00:18:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2018-11-16 00:18:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2018-11-16 00:18:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2018-11-16 00:18:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2018-11-16 00:18:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2018-11-16 00:18:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2018-11-16 00:18:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2018-11-16 00:18:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2018-11-16 00:18:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2018-11-16 00:18:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2018-11-16 00:18:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2018-11-16 00:18:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2018-11-16 00:18:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2018-11-16 00:18:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2018-11-16 00:18:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2018-11-16 00:18:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2018-11-16 00:18:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2018-11-16 00:18:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2018-11-16 00:18:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2018-11-16 00:18:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2018-11-16 00:18:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2018-11-16 00:18:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2018-11-16 00:18:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2018-11-16 00:18:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2018-11-16 00:18:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2018-11-16 00:18:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-16 00:18:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-16 00:18:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-16 00:18:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-16 00:18:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-16 00:18:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-16 00:18:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2018-11-16 00:18:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2018-11-16 00:18:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2018-11-16 00:18:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2018-11-16 00:18:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2018-11-16 00:18:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2018-11-16 00:18:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2018-11-16 00:18:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-16 00:18:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-16 00:18:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2018-11-16 00:18:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2018-11-16 00:18:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2018-11-16 00:18:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2018-11-16 00:18:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2018-11-16 00:18:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2018-11-16 00:18:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2018-11-16 00:18:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2018-11-16 00:18:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2018-11-16 00:18:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2018-11-16 00:18:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2018-11-16 00:18:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-16 00:18:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-16 00:18:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-16 00:18:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2018-11-16 00:18:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2018-11-16 00:18:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2018-11-16 00:18:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2018-11-16 00:18:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2018-11-16 00:18:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2018-11-16 00:18:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2018-11-16 00:18:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2018-11-16 00:18:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2018-11-16 00:18:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2018-11-16 00:18:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2018-11-16 00:18:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2018-11-16 00:18:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2018-11-16 00:18:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2018-11-16 00:18:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2018-11-16 00:18:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2018-11-16 00:18:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2018-11-16 00:18:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2018-11-16 00:18:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2018-11-16 00:18:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2018-11-16 00:18:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2018-11-16 00:18:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2018-11-16 00:18:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2018-11-16 00:18:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2018-11-16 00:18:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2018-11-16 00:18:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2018-11-16 00:18:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2018-11-16 00:18:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2018-11-16 00:18:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2018-11-16 00:18:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2018-11-16 00:18:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2018-11-16 00:18:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2018-11-16 00:18:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2018-11-16 00:18:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2018-11-16 00:18:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2018-11-16 00:18:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2018-11-16 00:18:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2018-11-16 00:18:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2018-11-16 00:18:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-16 00:18:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2018-11-16 00:18:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2018-11-16 00:18:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2018-11-16 00:18:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2018-11-16 00:18:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2018-11-16 00:18:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2018-11-16 00:18:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2018-11-16 00:18:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-16 00:18:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2018-11-16 00:18:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2018-11-16 00:18:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2018-11-16 00:18:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2018-11-16 00:18:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2018-11-16 00:18:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2018-11-16 00:18:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2018-11-16 00:18:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2018-11-16 00:18:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2018-11-16 00:18:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2018-11-16 00:18:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2018-11-16 00:18:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2018-11-16 00:18:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2018-11-16 00:18:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2018-11-16 00:18:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2018-11-16 00:18:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2018-11-16 00:18:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2018-11-16 00:18:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2018-11-16 00:18:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2018-11-16 00:18:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2018-11-16 00:18:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2018-11-16 00:18:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2018-11-16 00:18:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2018-11-16 00:18:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-16 00:18:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-16 00:18:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-16 00:18:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2018-11-16 00:18:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2018-11-16 00:18:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2018-11-16 00:18:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2018-11-16 00:18:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-16 00:18:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-16 00:18:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2018-11-16 00:18:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2018-11-16 00:18:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2018-11-16 00:18:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2018-11-16 00:18:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2018-11-16 00:18:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-16 00:18:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2018-11-16 00:18:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2018-11-16 00:18:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2018-11-16 00:18:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2018-11-16 00:18:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2018-11-16 00:18:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2018-11-16 00:18:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2018-11-16 00:18:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2018-11-16 00:18:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2018-11-16 00:18:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-16 00:18:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-16 00:18:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-16 00:18:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-16 00:18:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-16 00:18:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-16 00:18:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-16 00:18:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-16 00:18:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-16 00:18:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-16 00:18:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-16 00:18:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-16 00:18:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-16 00:18:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-16 00:18:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-16 00:18:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2018-11-16 00:18:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2018-11-16 00:18:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2018-11-16 00:18:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-16 00:18:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-16 00:18:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-16 00:18:51,133 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-16 00:18:51,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:51 BoogieIcfgContainer [2018-11-16 00:18:51,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-16 00:18:51,136 INFO L168 Benchmark]: Toolchain (without parser) took 7608.61 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 715.1 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -242.9 MB). Peak memory consumption was 472.2 MB. Max. memory is 7.1 GB. [2018-11-16 00:18:51,138 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-16 00:18:51,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1535.49 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 715.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -733.9 MB). Peak memory consumption was 73.3 MB. Max. memory is 7.1 GB. [2018-11-16 00:18:51,140 INFO L168 Benchmark]: Boogie Preprocessor took 235.64 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-11-16 00:18:51,141 INFO L168 Benchmark]: RCFGBuilder took 5832.18 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 477.3 MB). Peak memory consumption was 477.3 MB. Max. memory is 7.1 GB. [2018-11-16 00:18:51,145 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1535.49 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 715.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -733.9 MB). Peak memory consumption was 73.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 235.64 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5832.18 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 477.3 MB). Peak memory consumption was 477.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...