/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 20:56:23,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 20:56:23,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 20:56:23,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 20:56:23,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 20:56:23,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 20:56:23,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 20:56:23,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 20:56:23,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 20:56:23,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 20:56:23,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 20:56:23,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 20:56:23,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 20:56:23,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 20:56:23,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 20:56:23,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 20:56:23,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 20:56:23,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 20:56:23,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 20:56:23,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 20:56:23,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 20:56:23,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 20:56:23,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 20:56:23,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 20:56:23,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 20:56:23,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 20:56:23,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 20:56:23,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 20:56:23,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 20:56:23,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 20:56:23,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 20:56:23,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 20:56:23,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 20:56:23,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 20:56:23,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 20:56:23,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 20:56:23,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 20:56:23,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 20:56:23,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 20:56:23,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 20:56:23,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 20:56:23,726 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 [2020-07-19 20:56:23,747 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 20:56:23,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 20:56:23,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 20:56:23,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 20:56:23,750 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 20:56:23,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 20:56:23,750 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 20:56:23,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 20:56:23,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 20:56:23,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 20:56:23,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 20:56:23,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 20:56:23,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 20:56:23,753 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 20:56:23,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 20:56:23,753 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 20:56:23,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 20:56:23,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 20:56:23,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 20:56:23,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 20:56:23,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 20:56:23,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 20:56:23,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 20:56:23,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 20:56:23,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 20:56:23,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 20:56:23,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 20:56:23,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 20:56:23,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 20:56:23,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 20:56:24,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 20:56:24,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 20:56:24,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 20:56:24,072 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 20:56:24,077 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 20:56:24,078 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c [2020-07-19 20:56:24,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4fb6a24/8be93bc4c40943ca924d6a5f3e72f7eb/FLAG32031f8d8 [2020-07-19 20:56:24,674 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 20:56:24,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c [2020-07-19 20:56:24,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4fb6a24/8be93bc4c40943ca924d6a5f3e72f7eb/FLAG32031f8d8 [2020-07-19 20:56:24,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4fb6a24/8be93bc4c40943ca924d6a5f3e72f7eb [2020-07-19 20:56:24,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 20:56:24,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 20:56:24,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 20:56:24,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 20:56:24,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 20:56:24,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:56:24" (1/1) ... [2020-07-19 20:56:24,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc8bdc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:56:24, skipping insertion in model container [2020-07-19 20:56:24,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:56:24" (1/1) ... [2020-07-19 20:56:24,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 20:56:25,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 20:56:25,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:56:25,502 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 20:56:25,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:56:25,634 INFO L208 MainTranslator]: Completed translation [2020-07-19 20:56:25,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:56:25 WrapperNode [2020-07-19 20:56:25,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 20:56:25,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 20:56:25,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 20:56:25,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 20:56:25,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:56:25" (1/1) ... [2020-07-19 20:56:25,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:56:25" (1/1) ... [2020-07-19 20:56:25,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:56:25" (1/1) ... [2020-07-19 20:56:25,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:56:25" (1/1) ... [2020-07-19 20:56:25,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:56:25" (1/1) ... [2020-07-19 20:56:25,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:56:25" (1/1) ... [2020-07-19 20:56:25,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:56:25" (1/1) ... [2020-07-19 20:56:25,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 20:56:25,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 20:56:25,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 20:56:25,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 20:56:25,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:56:25" (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 [2020-07-19 20:56:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 20:56:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 20:56:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 20:56:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 20:56:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 20:56:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 20:56:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 20:56:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 20:56:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 20:56:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 20:56:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 20:56:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 20:56:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 20:56:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 20:56:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 20:56:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 20:56:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 20:56:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 20:56:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 20:56:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 20:56:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 20:56:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 20:56:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 20:56:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-19 20:56:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 20:56:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 20:56:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 20:56:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 20:56:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 20:56:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 20:56:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-19 20:56:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-19 20:56:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 20:56:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 20:56:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 20:56:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 20:56:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 20:56:25,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 20:56:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 20:56:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 20:56:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 20:56:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 20:56:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 20:56:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 20:56:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 20:56:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 20:56:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 20:56:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 20:56:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 20:56:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 20:56:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 20:56:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 20:56:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 20:56:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 20:56:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 20:56:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 20:56:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 20:56:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 20:56:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 20:56:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 20:56:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 20:56:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 20:56:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 20:56:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 20:56:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 20:56:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 20:56:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 20:56:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 20:56:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 20:56:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 20:56:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 20:56:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 20:56:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 20:56:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 20:56:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 20:56:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 20:56:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-19 20:56:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 20:56:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-19 20:56:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 20:56:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-19 20:56:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 20:56:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 20:56:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 20:56:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 20:56:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 20:56:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 20:56:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 20:56:26,955 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 20:56:26,956 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 20:56:26,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:56:26 BoogieIcfgContainer [2020-07-19 20:56:26,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 20:56:26,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 20:56:26,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 20:56:26,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 20:56:26,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 08:56:24" (1/3) ... [2020-07-19 20:56:26,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:56:26, skipping insertion in model container [2020-07-19 20:56:26,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:56:25" (2/3) ... [2020-07-19 20:56:26,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:56:26, skipping insertion in model container [2020-07-19 20:56:26,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:56:26" (3/3) ... [2020-07-19 20:56:26,974 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2020-07-19 20:56:26,985 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 20:56:26,993 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 20:56:27,009 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 20:56:27,036 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 20:56:27,037 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 20:56:27,037 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 20:56:27,037 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 20:56:27,038 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 20:56:27,038 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 20:56:27,038 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 20:56:27,038 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 20:56:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-07-19 20:56:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-19 20:56:27,071 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:56:27,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:56:27,073 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:56:27,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:56:27,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1568761122, now seen corresponding path program 1 times [2020-07-19 20:56:27,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:56:27,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253410959] [2020-07-19 20:56:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@264e2817 [2020-07-19 20:56:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:27,702 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:56:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:27,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:56:27,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253410959] [2020-07-19 20:56:27,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:56:27,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 20:56:27,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860430255] [2020-07-19 20:56:27,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 20:56:27,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:56:27,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 20:56:27,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 20:56:27,862 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 4 states. [2020-07-19 20:56:28,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:56:28,801 INFO L93 Difference]: Finished difference Result 208 states and 279 transitions. [2020-07-19 20:56:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 20:56:28,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-19 20:56:28,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:56:28,831 INFO L225 Difference]: With dead ends: 208 [2020-07-19 20:56:28,831 INFO L226 Difference]: Without dead ends: 119 [2020-07-19 20:56:28,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 20:56:28,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-19 20:56:28,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 90. [2020-07-19 20:56:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-19 20:56:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-07-19 20:56:28,978 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 51 [2020-07-19 20:56:28,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:56:28,979 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-07-19 20:56:28,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 20:56:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-07-19 20:56:28,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 20:56:28,984 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:56:28,984 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:56:28,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 20:56:28,984 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:56:28,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:56:28,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1581025708, now seen corresponding path program 1 times [2020-07-19 20:56:28,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:56:28,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846007510] [2020-07-19 20:56:28,986 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@264e2817 [2020-07-19 20:56:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:29,305 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:56:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:29,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:56:29,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846007510] [2020-07-19 20:56:29,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:56:29,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 20:56:29,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297170933] [2020-07-19 20:56:29,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 20:56:29,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:56:29,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 20:56:29,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 20:56:29,391 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 5 states. [2020-07-19 20:56:29,895 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:56:30,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:56:30,477 INFO L93 Difference]: Finished difference Result 149 states and 186 transitions. [2020-07-19 20:56:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 20:56:30,478 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-19 20:56:30,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:56:30,481 INFO L225 Difference]: With dead ends: 149 [2020-07-19 20:56:30,481 INFO L226 Difference]: Without dead ends: 109 [2020-07-19 20:56:30,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 20:56:30,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-19 20:56:30,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-07-19 20:56:30,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-19 20:56:30,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-07-19 20:56:30,510 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 52 [2020-07-19 20:56:30,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:56:30,511 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-07-19 20:56:30,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 20:56:30,511 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-07-19 20:56:30,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 20:56:30,513 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:56:30,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:56:30,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 20:56:30,514 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:56:30,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:56:30,514 INFO L82 PathProgramCache]: Analyzing trace with hash -409908338, now seen corresponding path program 1 times [2020-07-19 20:56:30,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:56:30,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319188875] [2020-07-19 20:56:30,515 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@264e2817 [2020-07-19 20:56:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:30,834 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:56:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:56:30,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319188875] [2020-07-19 20:56:30,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:56:30,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:56:30,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095246788] [2020-07-19 20:56:30,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:56:30,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:56:30,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:56:30,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:56:30,948 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 9 states. [2020-07-19 20:56:31,373 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:56:31,709 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 20:56:31,926 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:56:32,206 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:56:33,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:56:33,017 INFO L93 Difference]: Finished difference Result 162 states and 205 transitions. [2020-07-19 20:56:33,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 20:56:33,017 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-19 20:56:33,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:56:33,020 INFO L225 Difference]: With dead ends: 162 [2020-07-19 20:56:33,020 INFO L226 Difference]: Without dead ends: 109 [2020-07-19 20:56:33,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 20:56:33,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-19 20:56:33,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-07-19 20:56:33,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-19 20:56:33,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions. [2020-07-19 20:56:33,053 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 57 [2020-07-19 20:56:33,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:56:33,054 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 91 transitions. [2020-07-19 20:56:33,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:56:33,054 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2020-07-19 20:56:33,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 20:56:33,055 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:56:33,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:56:33,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 20:56:33,056 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:56:33,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:56:33,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1254648935, now seen corresponding path program 1 times [2020-07-19 20:56:33,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:56:33,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633462643] [2020-07-19 20:56:33,057 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@264e2817 [2020-07-19 20:56:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:33,414 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:56:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:56:33,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633462643] [2020-07-19 20:56:33,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:56:33,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 20:56:33,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342078453] [2020-07-19 20:56:33,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:56:33,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:56:33,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:56:33,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 20:56:33,516 INFO L87 Difference]: Start difference. First operand 81 states and 91 transitions. Second operand 8 states. [2020-07-19 20:56:33,905 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:56:34,774 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:56:35,021 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:56:35,260 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:56:35,490 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:56:35,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:56:35,920 INFO L93 Difference]: Finished difference Result 219 states and 281 transitions. [2020-07-19 20:56:35,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 20:56:35,923 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-07-19 20:56:35,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:56:35,926 INFO L225 Difference]: With dead ends: 219 [2020-07-19 20:56:35,927 INFO L226 Difference]: Without dead ends: 166 [2020-07-19 20:56:35,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-07-19 20:56:35,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-19 20:56:35,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 124. [2020-07-19 20:56:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-19 20:56:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 142 transitions. [2020-07-19 20:56:35,963 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 142 transitions. Word has length 60 [2020-07-19 20:56:35,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:56:35,964 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 142 transitions. [2020-07-19 20:56:35,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:56:35,964 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2020-07-19 20:56:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 20:56:35,965 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:56:35,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:56:35,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 20:56:35,966 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:56:35,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:56:35,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1040881725, now seen corresponding path program 1 times [2020-07-19 20:56:35,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:56:35,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900117316] [2020-07-19 20:56:35,967 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@264e2817 [2020-07-19 20:56:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:36,253 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:56:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:56:36,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:56:36,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900117316] [2020-07-19 20:56:36,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:56:36,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:56:36,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986554832] [2020-07-19 20:56:36,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:56:36,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:56:36,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:56:36,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:56:36,401 INFO L87 Difference]: Start difference. First operand 124 states and 142 transitions. Second operand 9 states. [2020-07-19 20:56:36,969 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:56:37,790 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:56:38,045 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:56:38,308 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:56:38,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:56:38,533 INFO L93 Difference]: Finished difference Result 253 states and 322 transitions. [2020-07-19 20:56:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 20:56:38,536 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-19 20:56:38,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:56:38,536 INFO L225 Difference]: With dead ends: 253 [2020-07-19 20:56:38,537 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 20:56:38,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-07-19 20:56:38,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 20:56:38,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 20:56:38,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 20:56:38,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 20:56:38,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-07-19 20:56:38,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:56:38,547 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 20:56:38,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:56:38,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 20:56:38,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 20:56:38,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 20:56:38,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 20:56:38,971 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 204 [2020-07-19 20:56:40,562 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-07-19 20:56:40,744 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-07-19 20:56:40,926 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-07-19 20:56:41,113 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-07-19 20:56:41,309 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2020-07-19 20:56:41,551 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-07-19 20:56:41,700 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-07-19 20:56:41,855 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-07-19 20:56:42,016 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-07-19 20:56:42,303 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-07-19 20:56:42,510 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:56:42,684 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-07-19 20:56:43,030 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-07-19 20:56:43,331 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-07-19 20:56:43,475 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-07-19 20:56:43,793 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-07-19 20:56:44,125 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-07-19 20:56:44,507 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-07-19 20:56:44,790 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-07-19 20:56:44,947 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-07-19 20:56:45,239 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-07-19 20:56:45,243 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-07-19 20:56:45,243 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-07-19 20:56:45,243 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-19 20:56:45,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 187 242) no Hoare annotation was computed. [2020-07-19 20:56:45,243 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 233) no Hoare annotation was computed. [2020-07-19 20:56:45,243 INFO L268 CegarLoopResult]: For program point L234(lines 211 235) no Hoare annotation was computed. [2020-07-19 20:56:45,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 187 242) no Hoare annotation was computed. [2020-07-19 20:56:45,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 187 242) no Hoare annotation was computed. [2020-07-19 20:56:45,244 INFO L268 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-07-19 20:56:45,244 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-19 20:56:45,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 243 302) no Hoare annotation was computed. [2020-07-19 20:56:45,244 INFO L268 CegarLoopResult]: For program point L275(lines 275 279) no Hoare annotation was computed. [2020-07-19 20:56:45,244 INFO L268 CegarLoopResult]: For program point L275-1(lines 275 279) no Hoare annotation was computed. [2020-07-19 20:56:45,245 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 243 302) no Hoare annotation was computed. [2020-07-19 20:56:45,245 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-07-19 20:56:45,245 INFO L268 CegarLoopResult]: For program point L269-2(lines 269 294) no Hoare annotation was computed. [2020-07-19 20:56:45,245 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 243 302) no Hoare annotation was computed. [2020-07-19 20:56:45,245 INFO L268 CegarLoopResult]: For program point L295(lines 268 296) no Hoare annotation was computed. [2020-07-19 20:56:45,245 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2020-07-19 20:56:45,246 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2020-07-19 20:56:45,246 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2020-07-19 20:56:45,246 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2020-07-19 20:56:45,246 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 529 537) no Hoare annotation was computed. [2020-07-19 20:56:45,246 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 20:56:45,246 INFO L264 CegarLoopResult]: At program point L865-1(line 865) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 20:56:45,247 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 859 881) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 20:56:45,247 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 859 881) no Hoare annotation was computed. [2020-07-19 20:56:45,247 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 859 881) no Hoare annotation was computed. [2020-07-19 20:56:45,247 INFO L264 CegarLoopResult]: At program point L871(line 871) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-19 20:56:45,247 INFO L264 CegarLoopResult]: At program point L871-1(line 871) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-19 20:56:45,248 INFO L268 CegarLoopResult]: For program point L869(lines 869 876) no Hoare annotation was computed. [2020-07-19 20:56:45,248 INFO L268 CegarLoopResult]: For program point L869-1(lines 869 876) no Hoare annotation was computed. [2020-07-19 20:56:45,248 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-07-19 20:56:45,248 INFO L264 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 20:56:45,248 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-07-19 20:56:45,248 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-19 20:56:45,249 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 817 840) no Hoare annotation was computed. [2020-07-19 20:56:45,249 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-07-19 20:56:45,249 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-19 20:56:45,249 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-19 20:56:45,249 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 817 840) no Hoare annotation was computed. [2020-07-19 20:56:45,249 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-19 20:56:45,249 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 817 840) no Hoare annotation was computed. [2020-07-19 20:56:45,249 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-19 20:56:45,250 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-19 20:56:45,250 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-07-19 20:56:45,250 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-19 20:56:45,250 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-19 20:56:45,250 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-19 20:56:45,250 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-07-19 20:56:45,250 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-07-19 20:56:45,251 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 648 655) no Hoare annotation was computed. [2020-07-19 20:56:45,251 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 648 655) no Hoare annotation was computed. [2020-07-19 20:56:45,251 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 648 655) no Hoare annotation was computed. [2020-07-19 20:56:45,251 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 693 701) no Hoare annotation was computed. [2020-07-19 20:56:45,251 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 693 701) the Hoare annotation is: true [2020-07-19 20:56:45,251 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 693 701) no Hoare annotation was computed. [2020-07-19 20:56:45,251 INFO L268 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2020-07-19 20:56:45,252 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-07-19 20:56:45,252 INFO L268 CegarLoopResult]: For program point L721(lines 721 729) no Hoare annotation was computed. [2020-07-19 20:56:45,252 INFO L268 CegarLoopResult]: For program point L721-2(lines 721 729) no Hoare annotation was computed. [2020-07-19 20:56:45,252 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 702 737) no Hoare annotation was computed. [2020-07-19 20:56:45,252 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 702 737) no Hoare annotation was computed. [2020-07-19 20:56:45,252 INFO L268 CegarLoopResult]: For program point L709(lines 709 717) no Hoare annotation was computed. [2020-07-19 20:56:45,252 INFO L268 CegarLoopResult]: For program point L709-2(lines 709 717) no Hoare annotation was computed. [2020-07-19 20:56:45,252 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 702 737) no Hoare annotation was computed. [2020-07-19 20:56:45,253 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2020-07-19 20:56:45,253 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2020-07-19 20:56:45,253 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 141 186) no Hoare annotation was computed. [2020-07-19 20:56:45,253 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 141 186) no Hoare annotation was computed. [2020-07-19 20:56:45,253 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 141 186) no Hoare annotation was computed. [2020-07-19 20:56:45,253 INFO L268 CegarLoopResult]: For program point L474(lines 474 481) no Hoare annotation was computed. [2020-07-19 20:56:45,253 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 454 499) no Hoare annotation was computed. [2020-07-19 20:56:45,253 INFO L268 CegarLoopResult]: For program point L468(lines 468 488) no Hoare annotation was computed. [2020-07-19 20:56:45,254 INFO L268 CegarLoopResult]: For program point L468-1(lines 468 488) no Hoare annotation was computed. [2020-07-19 20:56:45,254 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 454 499) no Hoare annotation was computed. [2020-07-19 20:56:45,254 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 454 499) no Hoare annotation was computed. [2020-07-19 20:56:45,254 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 848 858) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 20:56:45,254 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 848 858) no Hoare annotation was computed. [2020-07-19 20:56:45,254 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 848 858) no Hoare annotation was computed. [2020-07-19 20:56:45,254 INFO L264 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-19 20:56:45,255 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 682 692) no Hoare annotation was computed. [2020-07-19 20:56:45,255 INFO L268 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2020-07-19 20:56:45,255 INFO L268 CegarLoopResult]: For program point L687-1(line 687) no Hoare annotation was computed. [2020-07-19 20:56:45,255 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 682 692) no Hoare annotation was computed. [2020-07-19 20:56:45,255 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 682 692) no Hoare annotation was computed. [2020-07-19 20:56:45,255 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 674 681) no Hoare annotation was computed. [2020-07-19 20:56:45,255 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 674 681) no Hoare annotation was computed. [2020-07-19 20:56:45,256 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 674 681) no Hoare annotation was computed. [2020-07-19 20:56:45,256 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 641 647) no Hoare annotation was computed. [2020-07-19 20:56:45,256 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 641 647) the Hoare annotation is: true [2020-07-19 20:56:45,256 INFO L264 CegarLoopResult]: At program point testENTRY(lines 542 607) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 20:56:45,256 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (or (and (= 0 test_~splverifierCounter~0) (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-19 20:56:45,256 INFO L268 CegarLoopResult]: For program point L572(lines 572 578) no Hoare annotation was computed. [2020-07-19 20:56:45,256 INFO L268 CegarLoopResult]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2020-07-19 20:56:45,257 INFO L268 CegarLoopResult]: For program point testFINAL(lines 542 607) no Hoare annotation was computed. [2020-07-19 20:56:45,257 INFO L264 CegarLoopResult]: At program point L597(lines 552 599) the Hoare annotation is: (or (and (= 0 test_~splverifierCounter~0) (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-19 20:56:45,257 INFO L264 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (or (and (= 0 test_~splverifierCounter~0) (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-19 20:56:45,257 INFO L268 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-07-19 20:56:45,257 INFO L268 CegarLoopResult]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2020-07-19 20:56:45,257 INFO L268 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-07-19 20:56:45,257 INFO L264 CegarLoopResult]: At program point L600(lines 551 601) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 20:56:45,257 INFO L268 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-07-19 20:56:45,258 INFO L264 CegarLoopResult]: At program point L590-2(lines 582 595) the Hoare annotation is: (or (and (= 0 test_~splverifierCounter~0) (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-19 20:56:45,258 INFO L268 CegarLoopResult]: For program point L553(lines 552 599) no Hoare annotation was computed. [2020-07-19 20:56:45,258 INFO L264 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (or (and (= 0 test_~splverifierCounter~0) (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-19 20:56:45,258 INFO L268 CegarLoopResult]: For program point L582(lines 582 595) no Hoare annotation was computed. [2020-07-19 20:56:45,258 INFO L268 CegarLoopResult]: For program point testEXIT(lines 542 607) no Hoare annotation was computed. [2020-07-19 20:56:45,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 408 453) no Hoare annotation was computed. [2020-07-19 20:56:45,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 408 453) no Hoare annotation was computed. [2020-07-19 20:56:45,259 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 408 453) no Hoare annotation was computed. [2020-07-19 20:56:45,259 INFO L268 CegarLoopResult]: For program point L428(lines 428 435) no Hoare annotation was computed. [2020-07-19 20:56:45,259 INFO L268 CegarLoopResult]: For program point L422(lines 422 442) no Hoare annotation was computed. [2020-07-19 20:56:45,259 INFO L268 CegarLoopResult]: For program point L422-1(lines 422 442) no Hoare annotation was computed. [2020-07-19 20:56:45,259 INFO L268 CegarLoopResult]: For program point L769(lines 769 775) no Hoare annotation was computed. [2020-07-19 20:56:45,259 INFO L268 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-07-19 20:56:45,259 INFO L264 CegarLoopResult]: At program point L766(line 766) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse1))) [2020-07-19 20:56:45,259 INFO L268 CegarLoopResult]: For program point L766-1(line 766) no Hoare annotation was computed. [2020-07-19 20:56:45,260 INFO L268 CegarLoopResult]: For program point L764(lines 764 781) no Hoare annotation was computed. [2020-07-19 20:56:45,260 INFO L268 CegarLoopResult]: For program point L764-1(lines 756 784) no Hoare annotation was computed. [2020-07-19 20:56:45,260 INFO L264 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= 1 ~systemActive~0))) [2020-07-19 20:56:45,260 INFO L268 CegarLoopResult]: For program point L762-1(line 762) no Hoare annotation was computed. [2020-07-19 20:56:45,260 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 756 784) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= 1 ~systemActive~0))) [2020-07-19 20:56:45,260 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 756 784) no Hoare annotation was computed. [2020-07-19 20:56:45,260 INFO L264 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:56:45,261 INFO L268 CegarLoopResult]: For program point L110(lines 110 118) no Hoare annotation was computed. [2020-07-19 20:56:45,261 INFO L268 CegarLoopResult]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2020-07-19 20:56:45,261 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 102 124) no Hoare annotation was computed. [2020-07-19 20:56:45,261 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 102 124) no Hoare annotation was computed. [2020-07-19 20:56:45,261 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 102 124) no Hoare annotation was computed. [2020-07-19 20:56:45,261 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 748 755) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= 1 ~systemActive~0))) [2020-07-19 20:56:45,261 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 748 755) no Hoare annotation was computed. [2020-07-19 20:56:45,262 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 748 755) no Hoare annotation was computed. [2020-07-19 20:56:45,262 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-19 20:56:45,262 INFO L268 CegarLoopResult]: For program point L351(lines 351 392) no Hoare annotation was computed. [2020-07-19 20:56:45,262 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 305 407) no Hoare annotation was computed. [2020-07-19 20:56:45,262 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-07-19 20:56:45,262 INFO L268 CegarLoopResult]: For program point L370-1(line 370) no Hoare annotation was computed. [2020-07-19 20:56:45,262 INFO L268 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2020-07-19 20:56:45,262 INFO L268 CegarLoopResult]: For program point L393(lines 393 404) no Hoare annotation was computed. [2020-07-19 20:56:45,263 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 305 407) no Hoare annotation was computed. [2020-07-19 20:56:45,263 INFO L268 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-07-19 20:56:45,265 INFO L268 CegarLoopResult]: For program point L354-2(lines 354 374) no Hoare annotation was computed. [2020-07-19 20:56:45,265 INFO L268 CegarLoopResult]: For program point L375(lines 353 376) no Hoare annotation was computed. [2020-07-19 20:56:45,265 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 305 407) no Hoare annotation was computed. [2020-07-19 20:56:45,266 INFO L268 CegarLoopResult]: For program point L334(lines 334 350) no Hoare annotation was computed. [2020-07-19 20:56:45,266 INFO L268 CegarLoopResult]: For program point L394(lines 394 401) no Hoare annotation was computed. [2020-07-19 20:56:45,266 INFO L268 CegarLoopResult]: For program point L355(lines 354 374) no Hoare annotation was computed. [2020-07-19 20:56:45,266 INFO L268 CegarLoopResult]: For program point L386(line 386) no Hoare annotation was computed. [2020-07-19 20:56:45,266 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 505 514) no Hoare annotation was computed. [2020-07-19 20:56:45,266 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 505 514) no Hoare annotation was computed. [2020-07-19 20:56:45,266 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 505 514) no Hoare annotation was computed. [2020-07-19 20:56:45,266 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 20:56:45,267 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 20:56:45,267 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 20:56:45,267 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-07-19 20:56:45,267 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 657 673) no Hoare annotation was computed. [2020-07-19 20:56:45,267 INFO L268 CegarLoopResult]: For program point L668-1(lines 657 673) no Hoare annotation was computed. [2020-07-19 20:56:45,267 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 657 673) no Hoare annotation was computed. [2020-07-19 20:56:45,267 INFO L268 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-07-19 20:56:45,268 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-07-19 20:56:45,268 INFO L268 CegarLoopResult]: For program point L662-1(line 662) no Hoare annotation was computed. [2020-07-19 20:56:45,268 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 125 133) no Hoare annotation was computed. [2020-07-19 20:56:45,268 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 125 133) no Hoare annotation was computed. [2020-07-19 20:56:45,268 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 125 133) no Hoare annotation was computed. [2020-07-19 20:56:45,268 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 81 92) the Hoare annotation is: (or (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:56:45,268 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 81 92) no Hoare annotation was computed. [2020-07-19 20:56:45,269 INFO L268 CegarLoopResult]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2020-07-19 20:56:45,269 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 20:56:45,269 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 20:56:45,269 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 20:56:45,269 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 93 101) the Hoare annotation is: true [2020-07-19 20:56:45,269 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 93 101) no Hoare annotation was computed. [2020-07-19 20:56:45,269 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 93 101) no Hoare annotation was computed. [2020-07-19 20:56:45,269 INFO L264 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:56:45,270 INFO L264 CegarLoopResult]: At program point L628(lines 628 634) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:56:45,270 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 617 640) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:56:45,270 INFO L264 CegarLoopResult]: At program point L623(line 623) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:56:45,270 INFO L268 CegarLoopResult]: For program point L621(lines 620 639) no Hoare annotation was computed. [2020-07-19 20:56:45,271 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 617 640) no Hoare annotation was computed. [2020-07-19 20:56:45,271 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 617 640) no Hoare annotation was computed. [2020-07-19 20:56:45,271 INFO L268 CegarLoopResult]: For program point L801(lines 801 805) no Hoare annotation was computed. [2020-07-19 20:56:45,271 INFO L271 CegarLoopResult]: At program point L801-1(lines 801 805) the Hoare annotation is: true [2020-07-19 20:56:45,271 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 787 816) no Hoare annotation was computed. [2020-07-19 20:56:45,272 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-19 20:56:45,272 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 787 816) the Hoare annotation is: true [2020-07-19 20:56:45,272 INFO L271 CegarLoopResult]: At program point L797-2(lines 797 811) the Hoare annotation is: true [2020-07-19 20:56:45,272 INFO L271 CegarLoopResult]: At program point L793(line 793) the Hoare annotation is: true [2020-07-19 20:56:45,272 INFO L268 CegarLoopResult]: For program point L793-1(line 793) no Hoare annotation was computed. [2020-07-19 20:56:45,272 INFO L271 CegarLoopResult]: At program point L812(lines 787 816) the Hoare annotation is: true [2020-07-19 20:56:45,272 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-07-19 20:56:45,272 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 57 68) the Hoare annotation is: true [2020-07-19 20:56:45,272 INFO L268 CegarLoopResult]: For program point L61-1(lines 57 68) no Hoare annotation was computed. [2020-07-19 20:56:45,273 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 57 68) no Hoare annotation was computed. [2020-07-19 20:56:45,273 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 841 847) no Hoare annotation was computed. [2020-07-19 20:56:45,273 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 841 847) the Hoare annotation is: true [2020-07-19 20:56:45,273 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 20:56:45,273 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-19 20:56:45,273 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 20:56:45,273 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 20:56:45,273 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 738 745) no Hoare annotation was computed. [2020-07-19 20:56:45,274 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 738 745) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-19 20:56:45,274 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 738 745) no Hoare annotation was computed. [2020-07-19 20:56:45,274 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 69 80) no Hoare annotation was computed. [2020-07-19 20:56:45,274 INFO L268 CegarLoopResult]: For program point L73-1(lines 69 80) no Hoare annotation was computed. [2020-07-19 20:56:45,274 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 69 80) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:56:45,274 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-19 20:56:45,274 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-19 20:56:45,275 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-19 20:56:45,275 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-19 20:56:45,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 08:56:45 BoogieIcfgContainer [2020-07-19 20:56:45,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 20:56:45,295 INFO L168 Benchmark]: Toolchain (without parser) took 20346.54 ms. Allocated memory was 146.3 MB in the beginning and 554.7 MB in the end (delta: 408.4 MB). Free memory was 103.0 MB in the beginning and 455.4 MB in the end (delta: -352.4 MB). Peak memory consumption was 396.3 MB. Max. memory is 7.1 GB. [2020-07-19 20:56:45,296 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 20:56:45,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.49 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.6 MB in the beginning and 174.1 MB in the end (delta: -71.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-07-19 20:56:45,298 INFO L168 Benchmark]: Boogie Preprocessor took 113.42 ms. Allocated memory is still 204.5 MB. Free memory was 174.1 MB in the beginning and 170.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 20:56:45,299 INFO L168 Benchmark]: RCFGBuilder took 1214.92 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 170.0 MB in the beginning and 200.2 MB in the end (delta: -30.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-07-19 20:56:45,300 INFO L168 Benchmark]: TraceAbstraction took 18327.19 ms. Allocated memory was 236.5 MB in the beginning and 554.7 MB in the end (delta: 318.2 MB). Free memory was 200.2 MB in the beginning and 455.4 MB in the end (delta: -255.2 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. [2020-07-19 20:56:45,304 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.49 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.6 MB in the beginning and 174.1 MB in the end (delta: -71.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.42 ms. Allocated memory is still 204.5 MB. Free memory was 174.1 MB in the beginning and 170.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1214.92 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 170.0 MB in the beginning and 200.2 MB in the end (delta: -30.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18327.19 ms. Allocated memory was 236.5 MB in the beginning and 554.7 MB in the end (delta: 318.2 MB). Free memory was 200.2 MB in the beginning and 455.4 MB in the end (delta: -255.2 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive)) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == systemActive) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(0 == pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 378 SDtfs, 523 SDslu, 363 SDs, 0 SdLazy, 1443 SolverSat, 378 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 127 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 188 PreInvPairs, 226 NumberOfFragments, 727 HoareAnnotationTreeSize, 188 FomulaSimplifications, 82089 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 44 FomulaSimplificationsInter, 8462 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 81805 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...