./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product37_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product37_true-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64e3171545e565243a03380a6c1febecc0f624e2 ....................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:09:28,545 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:09:28,546 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:09:28,552 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:09:28,552 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:09:28,553 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:09:28,554 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:09:28,555 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:09:28,556 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:09:28,557 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:09:28,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:09:28,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:09:28,558 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:09:28,559 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:09:28,559 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:09:28,560 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:09:28,560 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:09:28,562 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:09:28,563 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:09:28,564 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:09:28,565 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:09:28,566 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:09:28,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:09:28,568 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:09:28,568 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:09:28,569 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:09:28,569 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:09:28,570 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:09:28,570 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:09:28,571 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:09:28,571 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:09:28,572 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:09:28,572 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:09:28,572 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:09:28,573 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:09:28,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:09:28,574 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 00:09:28,584 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:09:28,584 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:09:28,584 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:09:28,585 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:09:28,585 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:09:28,585 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:09:28,585 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:09:28,585 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:09:28,585 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:09:28,586 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:09:28,586 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:09:28,586 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:09:28,586 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:09:28,586 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:09:28,586 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:09:28,586 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:09:28,586 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:09:28,586 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:09:28,587 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:09:28,587 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:09:28,587 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:09:28,587 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:09:28,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:09:28,587 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:09:28,587 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:09:28,587 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:09:28,588 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 00:09:28,588 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:09:28,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:09:28,588 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64e3171545e565243a03380a6c1febecc0f624e2 [2018-11-23 00:09:28,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:09:28,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:09:28,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:09:28,620 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:09:28,620 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:09:28,621 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/email_spec0_product37_true-unreach-call_true-termination.cil.c [2018-11-23 00:09:28,657 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak/data/788f627aa/ab53fb708a0749b28084fcbc89be470d/FLAG6d5932079 [2018-11-23 00:09:29,042 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:09:29,043 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/sv-benchmarks/c/product-lines/email_spec0_product37_true-unreach-call_true-termination.cil.c [2018-11-23 00:09:29,055 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak/data/788f627aa/ab53fb708a0749b28084fcbc89be470d/FLAG6d5932079 [2018-11-23 00:09:29,065 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak/data/788f627aa/ab53fb708a0749b28084fcbc89be470d [2018-11-23 00:09:29,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:09:29,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:09:29,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:09:29,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:09:29,072 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:09:29,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:09:29" (1/1) ... [2018-11-23 00:09:29,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134aca77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:29, skipping insertion in model container [2018-11-23 00:09:29,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:09:29" (1/1) ... [2018-11-23 00:09:29,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:09:29,122 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:09:29,546 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:09:29,557 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:09:29,629 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:09:29,678 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:09:29,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:29 WrapperNode [2018-11-23 00:09:29,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:09:29,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:09:29,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:09:29,679 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:09:29,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:29" (1/1) ... [2018-11-23 00:09:29,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:29" (1/1) ... [2018-11-23 00:09:29,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:09:29,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:09:29,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:09:29,727 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:09:29,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:29" (1/1) ... [2018-11-23 00:09:29,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:29" (1/1) ... [2018-11-23 00:09:29,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:29" (1/1) ... [2018-11-23 00:09:29,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:29" (1/1) ... [2018-11-23 00:09:29,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:29" (1/1) ... [2018-11-23 00:09:29,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:29" (1/1) ... [2018-11-23 00:09:29,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:29" (1/1) ... [2018-11-23 00:09:29,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:09:29,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:09:29,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:09:29,767 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:09:29,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:09:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 00:09:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:09:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2018-11-23 00:09:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2018-11-23 00:09:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2018-11-23 00:09:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2018-11-23 00:09:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2018-11-23 00:09:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2018-11-23 00:09:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2018-11-23 00:09:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2018-11-23 00:09:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2018-11-23 00:09:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2018-11-23 00:09:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-23 00:09:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2018-11-23 00:09:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2018-11-23 00:09:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2018-11-23 00:09:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2018-11-23 00:09:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2018-11-23 00:09:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2018-11-23 00:09:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2018-11-23 00:09:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2018-11-23 00:09:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2018-11-23 00:09:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2018-11-23 00:09:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2018-11-23 00:09:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2018-11-23 00:09:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2018-11-23 00:09:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2018-11-23 00:09:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2018-11-23 00:09:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2018-11-23 00:09:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2018-11-23 00:09:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2018-11-23 00:09:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 00:09:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2018-11-23 00:09:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2018-11-23 00:09:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:09:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:09:31,056 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:09:31,057 INFO L280 CfgBuilder]: Removed 93 assue(true) statements. [2018-11-23 00:09:31,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:09:31 BoogieIcfgContainer [2018-11-23 00:09:31,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:09:31,057 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:09:31,057 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:09:31,064 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:09:31,064 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:09:31" (1/1) ... [2018-11-23 00:09:31,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:09:31,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:09:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 135 states and 188 transitions. [2018-11-23 00:09:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 188 transitions. [2018-11-23 00:09:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 00:09:31,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:09:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:09:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 00:09:31,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:09:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 135 states and 186 transitions. [2018-11-23 00:09:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2018-11-23 00:09:31,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 00:09:31,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:09:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:09:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 00:09:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:09:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 137 states and 199 transitions. [2018-11-23 00:09:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2018-11-23 00:09:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 00:09:31,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:09:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:09:31,512 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 00:09:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:09:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 140 states and 212 transitions. [2018-11-23 00:09:31,583 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 212 transitions. [2018-11-23 00:09:31,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 00:09:31,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:09:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:09:31,686 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 00:09:31,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:09:31,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 138 states and 210 transitions. [2018-11-23 00:09:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 210 transitions. [2018-11-23 00:09:31,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:09:31,734 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-11-23 00:09:31,742 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 00:09:31,794 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,796 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,796 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,796 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,796 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,797 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,797 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,797 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,797 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,797 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,797 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,797 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,798 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,799 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,799 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,799 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,799 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,799 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,799 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,799 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,799 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,799 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,799 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,800 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,800 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,800 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,800 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,800 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,800 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,800 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,800 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,800 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:09:31,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:09:31 ImpRootNode [2018-11-23 00:09:31,801 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:09:31,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:09:31,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:09:31,801 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:09:31,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:09:31" (3/4) ... [2018-11-23 00:09:31,804 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:09:31,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2018-11-23 00:09:31,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2018-11-23 00:09:31,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2018-11-23 00:09:31,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2018-11-23 00:09:31,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2018-11-23 00:09:31,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2018-11-23 00:09:31,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2018-11-23 00:09:31,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2018-11-23 00:09:31,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2018-11-23 00:09:31,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2018-11-23 00:09:31,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2018-11-23 00:09:31,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2018-11-23 00:09:31,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure queue [2018-11-23 00:09:31,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2018-11-23 00:09:31,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2018-11-23 00:09:31,821 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 161 nodes and edges [2018-11-23 00:09:31,822 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 00:09:31,823 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 00:09:31,824 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 00:09:31,825 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:09:31,825 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:09:31,909 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c0f0f77b-0ea7-482c-8ad9-8959debca6e9/bin-2019/ukojak/witness.graphml [2018-11-23 00:09:31,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:09:31,910 INFO L168 Benchmark]: Toolchain (without parser) took 2842.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.6 MB in the beginning and 936.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 145.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:09:31,911 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:09:31,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:09:31,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:09:31,912 INFO L168 Benchmark]: Boogie Preprocessor took 39.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:09:31,912 INFO L168 Benchmark]: RCFGBuilder took 1290.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.1 MB). Peak memory consumption was 232.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:09:31,912 INFO L168 Benchmark]: CodeCheck took 743.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.8 MB in the end (delta: 131.7 MB). Peak memory consumption was 131.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:09:31,912 INFO L168 Benchmark]: Witness Printer took 108.61 ms. Allocated memory is still 1.2 GB. Free memory was 957.8 MB in the beginning and 936.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:09:31,913 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 16 procedures, 243 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 706 SDtfs, 24 SDslu, 288 SDs, 0 SdLazy, 92 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1545 GetRequests, 1531 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 15176 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 68/68 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2707]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2661]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2647]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1469]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2651]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1475]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1057]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2703]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 609.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1290.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.1 MB). Peak memory consumption was 232.0 MB. Max. memory is 11.5 GB. * CodeCheck took 743.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.8 MB in the end (delta: 131.7 MB). Peak memory consumption was 131.7 MB. Max. memory is 11.5 GB. * Witness Printer took 108.61 ms. Allocated memory is still 1.2 GB. Free memory was 957.8 MB in the beginning and 936.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...