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 --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:30:53,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:30:53,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:30:53,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:30:53,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:30:53,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:30:53,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:30:53,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:30:53,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:30:53,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:30:53,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:30:53,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:30:53,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:30:53,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:30:53,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:30:53,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:30:53,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:30:53,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:30:53,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:30:53,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:30:53,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:30:53,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:30:53,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:30:53,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:30:53,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:30:53,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:30:53,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:30:53,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:30:53,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:30:53,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:30:53,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:30:53,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:30:53,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:30:53,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:30:53,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:30:53,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:30:53,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:30:53,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:30:53,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:30:53,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:30:53,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:30:53,872 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 [2019-09-06 11:30:53,886 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:30:53,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:30:53,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:30:53,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:30:53,888 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:30:53,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:30:53,889 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:30:53,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:30:53,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:30:53,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:30:53,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:30:53,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:30:53,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:30:53,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:30:53,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:30:53,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:30:53,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:30:53,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:30:53,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:30:53,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:30:53,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:30:53,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:30:53,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:30:53,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:30:53,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:30:53,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:30:53,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:30:53,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:30:53,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 11:30:53,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:30:53,934 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:30:53,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:30:53,939 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:30:53,940 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:30:53,941 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2019-09-06 11:30:54,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36077c82d/07edd915cf9a4ab9abc27f3350489aa7/FLAG04cdda8b9 [2019-09-06 11:30:54,551 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:30:54,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2019-09-06 11:30:54,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36077c82d/07edd915cf9a4ab9abc27f3350489aa7/FLAG04cdda8b9 [2019-09-06 11:30:54,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36077c82d/07edd915cf9a4ab9abc27f3350489aa7 [2019-09-06 11:30:54,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:30:54,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:30:54,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:30:54,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:30:54,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:30:54,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:30:54" (1/1) ... [2019-09-06 11:30:54,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f76fa0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:30:54, skipping insertion in model container [2019-09-06 11:30:54,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:30:54" (1/1) ... [2019-09-06 11:30:54,881 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:30:54,952 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:30:55,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:30:55,437 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:30:55,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:30:55,625 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:30:55,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:30:55 WrapperNode [2019-09-06 11:30:55,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:30:55,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:30:55,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:30:55,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:30:55,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:30:55" (1/1) ... [2019-09-06 11:30:55,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:30:55" (1/1) ... [2019-09-06 11:30:55,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:30:55" (1/1) ... [2019-09-06 11:30:55,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:30:55" (1/1) ... [2019-09-06 11:30:55,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:30:55" (1/1) ... [2019-09-06 11:30:55,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:30:55" (1/1) ... [2019-09-06 11:30:55,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:30:55" (1/1) ... [2019-09-06 11:30:55,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:30:55,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:30:55,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:30:55,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:30:55,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:30:55" (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 [2019-09-06 11:30:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:30:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:30:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-06 11:30:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-06 11:30:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-06 11:30:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-06 11:30:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-06 11:30:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:30:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-06 11:30:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-06 11:30:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2019-09-06 11:30:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2019-09-06 11:30:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2019-09-06 11:30:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2019-09-06 11:30:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2019-09-06 11:30:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2019-09-06 11:30:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-06 11:30:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2019-09-06 11:30:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2019-09-06 11:30:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-06 11:30:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-06 11:30:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-06 11:30:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-06 11:30:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-06 11:30:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-06 11:30:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-06 11:30:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-06 11:30:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-06 11:30:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-06 11:30:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-06 11:30:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-06 11:30:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-06 11:30:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-06 11:30:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-06 11:30:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-06 11:30:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-06 11:30:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-06 11:30:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-06 11:30:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-06 11:30:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-06 11:30:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-06 11:30:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-06 11:30:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-06 11:30:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-06 11:30:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-06 11:30:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-06 11:30:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-06 11:30:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-06 11:30:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:30:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:30:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-06 11:30:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-06 11:30:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-06 11:30:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-06 11:30:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-06 11:30:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-06 11:30:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-06 11:30:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-06 11:30:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-06 11:30:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-06 11:30:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-06 11:30:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-06 11:30:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-06 11:30:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:30:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-06 11:30:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-06 11:30:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-06 11:30:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-06 11:30:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-06 11:30:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-06 11:30:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-06 11:30:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-06 11:30:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-06 11:30:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-06 11:30:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-06 11:30:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-06 11:30:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-06 11:30:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-06 11:30:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2019-09-06 11:30:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-06 11:30:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2019-09-06 11:30:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2019-09-06 11:30:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-06 11:30:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2019-09-06 11:30:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2019-09-06 11:30:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-06 11:30:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2019-09-06 11:30:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2019-09-06 11:30:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2019-09-06 11:30:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 11:30:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-06 11:30:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 11:30:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 11:30:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-06 11:30:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 11:30:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 11:30:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 11:30:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 11:30:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-06 11:30:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 11:30:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-06 11:30:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-06 11:30:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 11:30:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-06 11:30:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-06 11:30:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-06 11:30:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-06 11:30:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:30:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 11:30:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:30:56,880 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:30:56,880 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-06 11:30:56,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:30:56 BoogieIcfgContainer [2019-09-06 11:30:56,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:30:56,882 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:30:56,882 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:30:56,883 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:30:56,884 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:30:56" (1/1) ... [2019-09-06 11:30:56,884 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 11:30:56,906 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:30:56,906 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:30:56,916 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:30:56,925 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:30:56,927 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:30:57,041 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 154 for LOIs [2019-09-06 11:30:57,292 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 146 for LOIs [2019-09-06 11:30:57,296 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 146 for LOIs [2019-09-06 11:31:01,433 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-06 11:31:02,089 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-06 11:31:03,132 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-06 11:31:05,117 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-06 11:31:05,645 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-06 11:31:06,408 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-06 11:31:06,410 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 138 for LOIs [2019-09-06 11:31:06,442 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 133 for LOIs [2019-09-06 11:31:06,457 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 133 for LOIs [2019-09-06 11:31:06,458 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:31:06,459 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:31:06,460 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1966#(and (<= |#t~string74.offset| 0) (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= ~__SELECTED_FEATURE_base~0 1) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 (+ ~__SELECTED_FEATURE_methaneQuery~0 2147483648)) (<= 0 |#t~string17.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= ~__GUIDSL_ROOT_PRODUCTION~0 1) (<= 0 |#t~string74.offset|) (<= 0 |#t~string11.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= |#t~string51.offset| 0) (<= 0 (+ ~__SELECTED_FEATURE_lowWaterSensor~0 2147483648)) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= 0 (+ ~__SELECTED_FEATURE_methaneAlarm~0 2147483648)) (<= 0 |#t~string51.offset|) (<= 0 (+ ~__SELECTED_FEATURE_stopCommand~0 2147483648)) (<= 0 |#t~string49.offset|) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= 1 ~__SELECTED_FEATURE_base~0) (<= |#NULL.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= 0 (+ ~__SELECTED_FEATURE_startCommand~0 2147483648)) (<= |#t~string53.offset| 0) (<= |#t~string11.offset| 0) (<= 0 |#t~string61.offset|) (<= 0 |#t~string53.offset|) (<= ~__SELECTED_FEATURE_startCommand~0 2147483647) (<= |#t~string66.offset| 0) (<= 0 |#t~string9.offset|) (<= ~__SELECTED_FEATURE_methaneQuery~0 2147483647) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= 0 (+ ~__SELECTED_FEATURE_highWaterSensor~0 2147483648)) (<= |#t~string60.offset| 0) (<= 0 |#t~string72.offset|) (<= ~__SELECTED_FEATURE_stopCommand~0 2147483647) (<= ~__SELECTED_FEATURE_methaneAlarm~0 2147483647) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string13.offset|) (<= ~__SELECTED_FEATURE_lowWaterSensor~0 2147483647) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= 1 ~__GUIDSL_ROOT_PRODUCTION~0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= ~__SELECTED_FEATURE_highWaterSensor~0 2147483647) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string49.offset| 0) (<= |#t~string72.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)) [2019-09-06 11:31:06,477 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:31:06,477 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:31:06,488 INFO L168 Benchmark]: Toolchain (without parser) took 11621.71 ms. Allocated memory was 133.7 MB in the beginning and 493.4 MB in the end (delta: 359.7 MB). Free memory was 88.1 MB in the beginning and 300.5 MB in the end (delta: -212.3 MB). Peak memory consumption was 147.3 MB. Max. memory is 7.1 GB. [2019-09-06 11:31:06,490 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:31:06,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.14 ms. Allocated memory was 133.7 MB in the beginning and 197.7 MB in the end (delta: 64.0 MB). Free memory was 87.9 MB in the beginning and 157.7 MB in the end (delta: -69.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:31:06,501 INFO L168 Benchmark]: Boogie Preprocessor took 124.65 ms. Allocated memory is still 197.7 MB. Free memory was 157.7 MB in the beginning and 153.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:31:06,502 INFO L168 Benchmark]: RCFGBuilder took 1129.91 ms. Allocated memory was 197.7 MB in the beginning and 224.4 MB in the end (delta: 26.7 MB). Free memory was 153.3 MB in the beginning and 177.0 MB in the end (delta: -23.8 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-09-06 11:31:06,507 INFO L168 Benchmark]: Sifa took 9602.20 ms. Allocated memory was 224.4 MB in the beginning and 493.4 MB in the end (delta: 269.0 MB). Free memory was 177.0 MB in the beginning and 300.5 MB in the end (delta: -123.4 MB). Peak memory consumption was 145.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:31:06,514 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 760.14 ms. Allocated memory was 133.7 MB in the beginning and 197.7 MB in the end (delta: 64.0 MB). Free memory was 87.9 MB in the beginning and 157.7 MB in the end (delta: -69.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.65 ms. Allocated memory is still 197.7 MB. Free memory was 157.7 MB in the beginning and 153.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1129.91 ms. Allocated memory was 197.7 MB in the beginning and 224.4 MB in the end (delta: 26.7 MB). Free memory was 153.3 MB in the beginning and 177.0 MB in the end (delta: -23.8 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * Sifa took 9602.20 ms. Allocated memory was 224.4 MB in the beginning and 493.4 MB in the end (delta: 269.0 MB). Free memory was 177.0 MB in the beginning and 300.5 MB in the end (delta: -123.4 MB). Peak memory consumption was 145.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 9554, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1265, DAG_INTERPRETER_EARLY_EXITS: 15, TOOLS_POST_APPLICATIONS: 903, TOOLS_POST_TIME[ms]: 439, TOOLS_POST_CALL_APPLICATIONS: 291, TOOLS_POST_CALL_TIME[ms]: 500, TOOLS_POST_RETURN_APPLICATIONS: 284, TOOLS_POST_RETURN_TIME[ms]: 854, TOOLS_QUANTIFIERELIM_TIME[ms]: 1325, FLUID_QUERY_TIME[ms]: 43, FLUID_QUERIES: 1271, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 429, DOMAIN_JOIN_TIME[ms]: 1303, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1935, DOMAIN_ISSUBSETEQ_TIME[ms]: 5479, DOMAIN_ISBOTTOM_APPLICATIONS: 213, DOMAIN_ISBOTTOM_TIME[ms]: 651, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8772, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8771, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 284, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 8696, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 29, DAG_COMPRESSION_PROCESSED_NODES: 580, DAG_COMPRESSION_RETAINED_NODES: 358 - UnprovableResult [Line: 602]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1966#(and (<= |#t~string74.offset| 0) (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= ~__SELECTED_FEATURE_base~0 1) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 (+ ~__SELECTED_FEATURE_methaneQuery~0 2147483648)) (<= 0 |#t~string17.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= ~__GUIDSL_ROOT_PRODUCTION~0 1) (<= 0 |#t~string74.offset|) (<= 0 |#t~string11.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= |#t~string51.offset| 0) (<= 0 (+ ~__SELECTED_FEATURE_lowWaterSensor~0 2147483648)) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= 0 (+ ~__SELECTED_FEATURE_methaneAlarm~0 2147483648)) (<= 0 |#t~string51.offset|) (<= 0 (+ ~__SELECTED_FEATURE_stopCommand~0 2147483648)) (<= 0 |#t~string49.offset|) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= 1 ~__SELECTED_FEATURE_base~0) (<= |#NULL.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= 0 (+ ~__SELECTED_FEATURE_startCommand~0 2147483648)) (<= |#t~string53.offset| 0) (<= |#t~string11.offset| 0) (<= 0 |#t~string61.offset|) (<= 0 |#t~string53.offset|) (<= ~__SELECTED_FEATURE_startCommand~0 2147483647) (<= |#t~string66.offset| 0) (<= 0 |#t~string9.offset|) (<= ~__SELECTED_FEATURE_methaneQuery~0 2147483647) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= 0 (+ ~__SELECTED_FEATURE_highWaterSensor~0 2147483648)) (<= |#t~string60.offset| 0) (<= 0 |#t~string72.offset|) (<= ~__SELECTED_FEATURE_stopCommand~0 2147483647) (<= ~__SELECTED_FEATURE_methaneAlarm~0 2147483647) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string13.offset|) (<= ~__SELECTED_FEATURE_lowWaterSensor~0 2147483647) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= 1 ~__GUIDSL_ROOT_PRODUCTION~0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= ~__SELECTED_FEATURE_highWaterSensor~0 2147483647) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string49.offset| 0) (<= |#t~string72.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...