java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 12:16:57,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 12:16:57,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 12:16:57,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 12:16:57,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 12:16:57,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 12:16:57,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 12:16:57,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 12:16:57,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 12:16:57,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 12:16:57,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 12:16:57,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 12:16:57,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 12:16:57,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 12:16:57,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 12:16:57,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 12:16:57,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 12:16:57,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 12:16:57,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 12:16:57,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 12:16:57,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 12:16:57,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 12:16:57,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 12:16:57,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 12:16:57,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 12:16:57,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 12:16:57,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 12:16:57,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 12:16:57,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 12:16:57,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 12:16:57,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 12:16:57,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 12:16:57,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 12:16:57,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 12:16:57,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 12:16:57,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 12:16:57,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 12:16:57,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 12:16:57,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 12:16:57,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 12:16:57,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 12:16:57,725 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 12:16:57,750 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 12:16:57,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 12:16:57,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 12:16:57,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 12:16:57,753 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 12:16:57,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 12:16:57,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 12:16:57,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 12:16:57,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 12:16:57,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 12:16:57,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 12:16:57,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 12:16:57,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 12:16:57,756 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 12:16:57,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 12:16:57,757 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 12:16:57,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 12:16:57,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 12:16:57,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 12:16:57,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 12:16:57,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 12:16:57,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 12:16:57,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 12:16:57,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 12:16:57,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 12:16:57,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 12:16:57,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 12:16:57,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 12:16:57,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 12:16:57,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 12:16:57,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 12:16:57,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 12:16:57,833 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 12:16:57,834 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 12:16:57,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2019-09-18 12:16:57,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/065925fd8/363d6d7f8f424c72b682edd0d3682add/FLAGcbc62120f [2019-09-18 12:16:58,456 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 12:16:58,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2019-09-18 12:16:58,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/065925fd8/363d6d7f8f424c72b682edd0d3682add/FLAGcbc62120f [2019-09-18 12:16:58,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/065925fd8/363d6d7f8f424c72b682edd0d3682add [2019-09-18 12:16:58,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 12:16:58,775 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 12:16:58,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 12:16:58,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 12:16:58,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 12:16:58,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:16:58" (1/1) ... [2019-09-18 12:16:58,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25fad862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:16:58, skipping insertion in model container [2019-09-18 12:16:58,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:16:58" (1/1) ... [2019-09-18 12:16:58,787 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 12:16:58,841 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 12:16:59,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:16:59,257 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 12:16:59,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:16:59,423 INFO L192 MainTranslator]: Completed translation [2019-09-18 12:16:59,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:16:59 WrapperNode [2019-09-18 12:16:59,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 12:16:59,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 12:16:59,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 12:16:59,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 12:16:59,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:16:59" (1/1) ... [2019-09-18 12:16:59,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:16:59" (1/1) ... [2019-09-18 12:16:59,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:16:59" (1/1) ... [2019-09-18 12:16:59,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:16:59" (1/1) ... [2019-09-18 12:16:59,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:16:59" (1/1) ... [2019-09-18 12:16:59,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:16:59" (1/1) ... [2019-09-18 12:16:59,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:16:59" (1/1) ... [2019-09-18 12:16:59,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 12:16:59,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 12:16:59,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 12:16:59,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 12:16:59,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:16:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 12:16:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 12:16:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 12:16:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 12:16:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 12:16:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 12:16:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 12:16:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 12:16:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 12:16:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 12:16:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 12:16:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 12:16:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 12:16:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 12:16:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 12:16:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 12:16:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 12:16:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 12:16:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 12:16:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 12:16:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 12:16:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 12:16:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 12:16:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 12:16:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 12:16:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 12:16:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 12:16:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 12:16:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-18 12:16:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 12:16:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 12:16:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 12:16:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 12:16:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 12:16:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 12:16:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-18 12:16:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 12:16:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 12:16:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 12:16:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 12:16:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 12:16:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 12:16:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 12:16:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 12:16:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 12:16:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 12:16:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 12:16:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 12:16:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 12:16:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 12:16:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 12:16:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 12:16:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 12:16:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 12:16:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 12:16:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 12:16:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 12:16:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 12:16:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 12:16:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 12:16:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 12:16:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 12:16:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 12:16:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 12:16:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 12:16:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 12:16:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 12:16:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 12:16:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 12:16:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 12:16:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 12:16:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 12:16:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 12:16:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 12:16:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 12:16:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 12:16:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 12:16:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 12:16:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-18 12:16:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 12:16:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-18 12:16:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 12:16:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 12:16:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 12:16:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 12:17:00,773 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 12:17:00,774 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 12:17:00,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:17:00 BoogieIcfgContainer [2019-09-18 12:17:00,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 12:17:00,777 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 12:17:00,777 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 12:17:00,778 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 12:17:00,779 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:17:00" (1/1) ... [2019-09-18 12:17:00,780 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 12:17:00,814 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 12:17:00,818 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 12:17:00,835 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 12:17:00,848 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 12:17:00,850 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 12:17:01,449 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-18 12:17:01,814 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-18 12:17:02,024 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-18 12:17:02,301 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2019-09-18 12:17:02,522 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-18 12:17:02,916 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-18 12:17:03,210 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 73 [2019-09-18 12:17:03,697 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2019-09-18 12:17:04,126 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 85 [2019-09-18 12:17:04,793 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 98 [2019-09-18 12:17:05,330 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 97 [2019-09-18 12:17:06,164 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 111 [2019-09-18 12:17:06,644 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 106 [2019-09-18 12:17:06,951 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 12:17:07,774 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 119 [2019-09-18 12:17:07,982 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 12:17:08,561 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 120 [2019-09-18 12:17:08,942 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-18 12:17:10,001 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 250 DAG size of output: 133 [2019-09-18 12:17:10,184 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 12:17:10,812 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 134 [2019-09-18 12:17:11,320 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-18 12:17:12,704 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 280 DAG size of output: 147 [2019-09-18 12:17:13,556 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 144 [2019-09-18 12:17:14,229 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2019-09-18 12:17:16,051 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 334 DAG size of output: 162 [2019-09-18 12:17:17,012 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 157 [2019-09-18 12:17:17,827 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-09-18 12:17:20,023 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 353 DAG size of output: 171 [2019-09-18 12:17:21,077 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 166 [2019-09-18 12:17:22,216 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-09-18 12:17:25,199 WARN L191 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 456 DAG size of output: 212 [2019-09-18 12:17:26,575 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 253 DAG size of output: 207 [2019-09-18 12:17:27,635 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-09-18 12:17:30,277 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 519 DAG size of output: 239 [2019-09-18 12:17:31,866 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 278 DAG size of output: 234 [2019-09-18 12:17:33,551 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 12:17:38,331 WARN L191 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 602 DAG size of output: 258 [2019-09-18 12:17:40,170 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 295 DAG size of output: 253 [2019-09-18 12:17:42,260 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-18 12:17:47,950 WARN L191 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 708 DAG size of output: 279 [2019-09-18 12:17:48,368 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 12:17:50,158 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 339 DAG size of output: 276 [2019-09-18 12:17:52,665 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 565 [2019-09-18 12:17:59,644 WARN L191 SmtUtils]: Spent 6.97 s on a formula simplification. DAG size of input: 741 DAG size of output: 289 [2019-09-18 12:17:59,990 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 12:18:01,934 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 348 DAG size of output: 286 [2019-09-18 12:18:05,002 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 623 [2019-09-18 12:18:13,269 WARN L191 SmtUtils]: Spent 8.25 s on a formula simplification. DAG size of input: 739 DAG size of output: 307 [2019-09-18 12:18:15,696 WARN L191 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 369 DAG size of output: 302 [2019-09-18 12:18:18,272 WARN L191 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 681 [2019-09-18 12:18:25,033 WARN L191 SmtUtils]: Spent 6.74 s on a formula simplification. DAG size of input: 872 DAG size of output: 328 [2019-09-18 12:18:25,415 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 12:18:27,888 WARN L191 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 387 DAG size of output: 325 [2019-09-18 12:18:30,818 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 739 [2019-09-18 12:18:37,948 WARN L191 SmtUtils]: Spent 7.11 s on a formula simplification. DAG size of input: 867 DAG size of output: 361 [2019-09-18 12:18:38,494 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 12:18:41,356 WARN L191 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 439 DAG size of output: 360 [2019-09-18 12:18:44,681 WARN L191 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 797 [2019-09-18 12:18:53,877 WARN L191 SmtUtils]: Spent 9.18 s on a formula simplification. DAG size of input: 1001 DAG size of output: 380 [2019-09-18 12:18:54,353 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 12:18:57,508 WARN L191 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 445 DAG size of output: 377 [2019-09-18 12:19:03,596 WARN L191 SmtUtils]: Spent 3.13 s on a formula simplification that was a NOOP. DAG size: 855 [2019-09-18 12:19:19,071 WARN L191 SmtUtils]: Spent 15.45 s on a formula simplification. DAG size of input: 992 DAG size of output: 402 [2019-09-18 12:19:19,654 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 12:19:23,330 WARN L191 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 469 DAG size of output: 403 [2019-09-18 12:19:30,085 WARN L191 SmtUtils]: Spent 3.56 s on a formula simplification that was a NOOP. DAG size: 913 [2019-09-18 12:19:48,341 WARN L191 SmtUtils]: Spent 18.22 s on a formula simplification. DAG size of input: 1154 DAG size of output: 420 [2019-09-18 12:19:48,886 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 12:19:52,526 WARN L191 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 506 DAG size of output: 417 [2019-09-18 12:19:56,294 WARN L191 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2019-09-18 12:19:58,230 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 12:19:58,240 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 426 for LOIs [2019-09-18 12:19:58,292 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 426 for LOIs [2019-09-18 12:19:58,296 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 426 for LOIs [2019-09-18 12:20:09,385 WARN L191 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 12:20:14,629 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 12:20:25,361 WARN L191 SmtUtils]: Spent 10.73 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 12:20:30,706 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 12:20:41,455 WARN L191 SmtUtils]: Spent 10.75 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 12:20:46,825 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 12:21:04,652 WARN L191 SmtUtils]: Spent 17.73 s on a formula simplification. DAG size of input: 453 DAG size of output: 450 [2019-09-18 12:21:13,476 WARN L191 SmtUtils]: Spent 8.82 s on a formula simplification that was a NOOP. DAG size: 449 [2019-09-18 12:21:40,638 WARN L191 SmtUtils]: Spent 27.12 s on a formula simplification. DAG size of input: 463 DAG size of output: 456 [2019-09-18 12:21:49,613 WARN L191 SmtUtils]: Spent 8.97 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 12:22:01,583 WARN L191 SmtUtils]: Spent 11.62 s on a formula simplification. DAG size of input: 461 DAG size of output: 460 [2019-09-18 12:22:07,226 WARN L191 SmtUtils]: Spent 5.64 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 12:22:18,516 WARN L191 SmtUtils]: Spent 11.29 s on a formula simplification. DAG size of input: 461 DAG size of output: 460 [2019-09-18 12:22:24,104 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 12:22:35,286 WARN L191 SmtUtils]: Spent 11.17 s on a formula simplification. DAG size of input: 468 DAG size of output: 460 [2019-09-18 12:22:40,920 WARN L191 SmtUtils]: Spent 5.63 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 12:22:46,422 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 12:22:52,015 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 12:23:01,026 WARN L191 SmtUtils]: Spent 8.99 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-18 12:23:10,055 WARN L191 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-18 12:23:50,627 WARN L191 SmtUtils]: Spent 40.51 s on a formula simplification. DAG size of input: 488 DAG size of output: 473 [2019-09-18 12:24:02,875 WARN L191 SmtUtils]: Spent 12.25 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 12:24:19,374 WARN L191 SmtUtils]: Spent 16.42 s on a formula simplification. DAG size of input: 473 DAG size of output: 447 [2019-09-18 12:24:24,753 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 12:24:52,416 WARN L191 SmtUtils]: Spent 27.58 s on a formula simplification. DAG size of input: 470 DAG size of output: 455 [2019-09-18 12:24:58,186 WARN L191 SmtUtils]: Spent 5.77 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 12:25:25,809 WARN L191 SmtUtils]: Spent 27.62 s on a formula simplification. DAG size of input: 470 DAG size of output: 455 [2019-09-18 12:25:31,604 WARN L191 SmtUtils]: Spent 5.79 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 12:25:43,026 WARN L191 SmtUtils]: Spent 11.40 s on a formula simplification. DAG size of input: 462 DAG size of output: 452 [2019-09-18 12:25:48,473 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 12:25:53,914 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 12:25:59,337 WARN L191 SmtUtils]: Spent 5.42 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 12:26:25,765 WARN L191 SmtUtils]: Spent 26.37 s on a formula simplification. DAG size of input: 487 DAG size of output: 473 [2019-09-18 12:26:38,038 WARN L191 SmtUtils]: Spent 12.27 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 12:26:54,390 WARN L191 SmtUtils]: Spent 16.32 s on a formula simplification. DAG size of input: 473 DAG size of output: 447 [2019-09-18 12:26:59,769 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 12:27:17,400 WARN L191 SmtUtils]: Spent 17.60 s on a formula simplification. DAG size of input: 453 DAG size of output: 450 [2019-09-18 12:27:26,172 WARN L191 SmtUtils]: Spent 8.77 s on a formula simplification that was a NOOP. DAG size: 449 [2019-09-18 12:27:53,166 WARN L191 SmtUtils]: Spent 26.95 s on a formula simplification. DAG size of input: 463 DAG size of output: 456 [2019-09-18 12:28:02,062 WARN L191 SmtUtils]: Spent 8.90 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 12:28:13,235 WARN L191 SmtUtils]: Spent 11.07 s on a formula simplification. DAG size of input: 461 DAG size of output: 460 [2019-09-18 12:28:18,754 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 12:28:29,865 WARN L191 SmtUtils]: Spent 11.11 s on a formula simplification. DAG size of input: 461 DAG size of output: 460 [2019-09-18 12:28:35,389 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 12:28:46,450 WARN L191 SmtUtils]: Spent 11.05 s on a formula simplification. DAG size of input: 468 DAG size of output: 460 [2019-09-18 12:28:51,981 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 12:29:03,326 WARN L191 SmtUtils]: Spent 11.34 s on a formula simplification. DAG size of input: 461 DAG size of output: 455 [2019-09-18 12:29:08,813 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 12:29:17,750 WARN L191 SmtUtils]: Spent 8.92 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 12:29:26,619 WARN L191 SmtUtils]: Spent 8.87 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 12:30:07,220 WARN L191 SmtUtils]: Spent 40.57 s on a formula simplification. DAG size of input: 477 DAG size of output: 467 [2019-09-18 12:30:19,508 WARN L191 SmtUtils]: Spent 12.29 s on a formula simplification that was a NOOP. DAG size: 466