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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 19:38:52,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 19:38:52,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 19:38:52,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 19:38:52,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 19:38:52,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 19:38:52,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 19:38:52,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 19:38:52,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 19:38:52,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 19:38:52,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 19:38:52,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 19:38:52,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 19:38:52,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 19:38:52,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 19:38:52,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 19:38:52,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 19:38:52,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 19:38:52,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 19:38:52,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 19:38:52,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 19:38:52,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 19:38:52,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 19:38:52,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 19:38:52,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 19:38:52,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 19:38:52,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 19:38:52,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 19:38:52,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 19:38:52,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 19:38:52,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 19:38:52,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 19:38:52,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 19:38:52,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 19:38:52,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 19:38:52,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 19:38:52,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 19:38:52,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 19:38:52,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 19:38:52,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 19:38:52,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 19:38:52,719 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 [2019-09-16 19:38:52,758 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 19:38:52,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 19:38:52,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 19:38:52,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 19:38:52,760 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 19:38:52,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 19:38:52,760 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 19:38:52,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 19:38:52,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 19:38:52,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 19:38:52,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 19:38:52,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 19:38:52,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 19:38:52,764 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 19:38:52,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 19:38:52,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 19:38:52,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 19:38:52,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 19:38:52,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 19:38:52,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 19:38:52,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 19:38:52,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 19:38:52,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 19:38:52,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 19:38:52,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 19:38:52,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 19:38:52,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 19:38:52,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 19:38:52,768 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 -> LoopFreeBlock 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 [2019-09-16 19:38:52,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 19:38:52,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 19:38:52,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 19:38:52,844 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 19:38:52,844 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 19:38:52,845 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-09-16 19:38:52,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d34f3b01/c12dcc8e36d345c4a34aebcc01afb959/FLAG9a160c13f [2019-09-16 19:38:53,454 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 19:38:53,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-09-16 19:38:53,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d34f3b01/c12dcc8e36d345c4a34aebcc01afb959/FLAG9a160c13f [2019-09-16 19:38:53,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d34f3b01/c12dcc8e36d345c4a34aebcc01afb959 [2019-09-16 19:38:53,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 19:38:53,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 19:38:53,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 19:38:53,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 19:38:53,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 19:38:53,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:38:53" (1/1) ... [2019-09-16 19:38:53,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebb8931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:38:53, skipping insertion in model container [2019-09-16 19:38:53,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:38:53" (1/1) ... [2019-09-16 19:38:53,770 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 19:38:53,832 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 19:38:54,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:38:54,249 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 19:38:54,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:38:54,378 INFO L192 MainTranslator]: Completed translation [2019-09-16 19:38:54,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:38:54 WrapperNode [2019-09-16 19:38:54,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 19:38:54,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 19:38:54,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 19:38:54,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 19:38:54,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:38:54" (1/1) ... [2019-09-16 19:38:54,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:38:54" (1/1) ... [2019-09-16 19:38:54,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:38:54" (1/1) ... [2019-09-16 19:38:54,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:38:54" (1/1) ... [2019-09-16 19:38:54,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:38:54" (1/1) ... [2019-09-16 19:38:54,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:38:54" (1/1) ... [2019-09-16 19:38:54,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:38:54" (1/1) ... [2019-09-16 19:38:54,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 19:38:54,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 19:38:54,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 19:38:54,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 19:38:54,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:38:54" (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 [2019-09-16 19:38:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 19:38:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 19:38:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 19:38:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 19:38:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 19:38:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 19:38:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 19:38:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 19:38:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 19:38:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 19:38:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-16 19:38:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 19:38:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 19:38:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 19:38:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 19:38:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 19:38:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 19:38:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 19:38:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 19:38:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 19:38:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 19:38:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 19:38:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 19:38:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 19:38:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 19:38:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 19:38:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 19:38:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 19:38:54,572 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 19:38:54,572 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 19:38:54,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 19:38:54,572 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 19:38:54,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 19:38:54,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 19:38:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 19:38:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 19:38:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 19:38:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 19:38:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 19:38:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 19:38:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 19:38:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 19:38:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 19:38:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 19:38:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 19:38:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 19:38:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 19:38:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 19:38:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 19:38:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 19:38:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 19:38:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 19:38:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 19:38:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 19:38:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 19:38:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 19:38:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 19:38:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 19:38:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 19:38:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 19:38:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 19:38:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 19:38:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 19:38:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-16 19:38:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 19:38:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 19:38:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 19:38:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 19:38:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 19:38:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 19:38:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 19:38:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 19:38:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 19:38:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 19:38:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 19:38:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 19:38:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 19:38:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 19:38:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 19:38:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 19:38:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 19:38:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 19:38:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 19:38:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 19:38:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 19:38:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 19:38:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 19:38:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 19:38:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 19:38:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 19:38:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 19:38:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 19:38:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 19:38:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 19:38:56,251 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 19:38:56,251 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 19:38:56,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:38:56 BoogieIcfgContainer [2019-09-16 19:38:56,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 19:38:56,254 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 19:38:56,254 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 19:38:56,254 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 19:38:56,255 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:38:56" (1/1) ... [2019-09-16 19:38:56,256 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 [2019-09-16 19:38:56,288 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 19:38:56,288 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 19:38:56,297 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 19:38:56,306 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 19:38:56,307 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 19:39:16,028 WARN L191 SmtUtils]: Spent 11.25 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-16 19:39:17,788 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 19:39:21,477 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-16 19:39:23,167 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 19:39:24,875 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 19:39:24,891 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-16 19:39:24,986 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-16 19:39:24,994 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-16 19:39:35,994 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:39:41,285 WARN L191 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:39:51,779 WARN L191 SmtUtils]: Spent 10.49 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:39:57,027 WARN L191 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:40:07,600 WARN L191 SmtUtils]: Spent 10.57 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:40:12,809 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:40:23,381 WARN L191 SmtUtils]: Spent 10.57 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:40:28,682 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:40:39,193 WARN L191 SmtUtils]: Spent 10.51 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:40:44,470 WARN L191 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:40:54,932 WARN L191 SmtUtils]: Spent 10.46 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:41:00,186 WARN L191 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:41:10,763 WARN L191 SmtUtils]: Spent 10.58 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:41:15,947 WARN L191 SmtUtils]: Spent 5.18 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:41:26,525 WARN L191 SmtUtils]: Spent 10.58 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:41:31,810 WARN L191 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:41:42,333 WARN L191 SmtUtils]: Spent 10.52 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:41:47,553 WARN L191 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:41:58,097 WARN L191 SmtUtils]: Spent 10.54 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:42:03,320 WARN L191 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:42:20,879 WARN L191 SmtUtils]: Spent 17.51 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-16 19:42:29,538 WARN L191 SmtUtils]: Spent 8.66 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-16 19:43:00,869 WARN L191 SmtUtils]: Spent 31.27 s on a formula simplification. DAG size of input: 479 DAG size of output: 476 [2019-09-16 19:43:16,496 WARN L191 SmtUtils]: Spent 15.63 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-16 19:43:35,150 WARN L191 SmtUtils]: Spent 18.01 s on a formula simplification. DAG size of input: 477 DAG size of output: 470 [2019-09-16 19:43:44,107 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-16 19:43:49,690 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-16 19:43:55,249 WARN L191 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-16 19:44:16,223 WARN L191 SmtUtils]: Spent 20.97 s on a formula simplification. DAG size of input: 480 DAG size of output: 468 [2019-09-16 19:44:25,012 WARN L191 SmtUtils]: Spent 8.79 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-16 19:44:45,907 WARN L191 SmtUtils]: Spent 20.89 s on a formula simplification. DAG size of input: 480 DAG size of output: 468 [2019-09-16 19:44:54,780 WARN L191 SmtUtils]: Spent 8.87 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-16 19:45:10,568 WARN L191 SmtUtils]: Spent 15.77 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-16 19:45:11,019 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-16 19:45:11,405 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 19:45:11,659 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 19:45:11,892 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-16 19:45:12,116 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-09-16 19:45:12,471 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-16 19:45:12,606 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-16 19:45:12,869 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-16 19:45:12,992 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-16 19:45:13,489 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-16 19:45:13,637 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-16 19:45:13,954 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-16 19:45:14,099 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-16 19:45:14,317 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-16 19:45:14,486 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-16 19:45:14,869 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 19:45:15,132 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 19:45:15,398 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-16 19:45:33,065 WARN L191 SmtUtils]: Spent 17.54 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-16 19:45:41,817 WARN L191 SmtUtils]: Spent 8.75 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-16 19:46:13,113 WARN L191 SmtUtils]: Spent 31.24 s on a formula simplification. DAG size of input: 479 DAG size of output: 476 [2019-09-16 19:46:28,569 WARN L191 SmtUtils]: Spent 15.45 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-16 19:46:46,738 WARN L191 SmtUtils]: Spent 18.08 s on a formula simplification. DAG size of input: 477 DAG size of output: 470 [2019-09-16 19:46:55,697 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-16 19:47:01,273 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-16 19:47:06,786 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-16 19:47:24,205 WARN L191 SmtUtils]: Spent 17.42 s on a formula simplification. DAG size of input: 480 DAG size of output: 463 [2019-09-16 19:47:29,761 WARN L191 SmtUtils]: Spent 5.55 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-16 19:47:47,225 WARN L191 SmtUtils]: Spent 17.46 s on a formula simplification. DAG size of input: 480 DAG size of output: 463 [2019-09-16 19:47:52,741 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-16 19:48:05,096 WARN L191 SmtUtils]: Spent 12.32 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-16 19:48:05,284 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-16 19:48:05,679 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 19:48:05,948 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 19:48:06,185 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-16 19:48:06,398 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-09-16 19:48:06,754 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-16 19:48:06,889 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-16 19:48:07,168 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-16 19:48:07,286 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-16 19:48:07,767 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-16 19:48:07,913 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-16 19:48:08,215 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-16 19:48:08,361 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-16 19:48:08,598 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-16 19:48:08,775 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-16 19:48:09,153 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 19:48:09,401 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 19:48:09,655 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-16 19:48:27,176 WARN L191 SmtUtils]: Spent 17.43 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-16 19:48:35,821 WARN L191 SmtUtils]: Spent 8.64 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-16 19:49:06,797 WARN L191 SmtUtils]: Spent 30.93 s on a formula simplification. DAG size of input: 479 DAG size of output: 476 [2019-09-16 19:49:22,336 WARN L191 SmtUtils]: Spent 15.54 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-16 19:49:40,190 WARN L191 SmtUtils]: Spent 17.79 s on a formula simplification. DAG size of input: 477 DAG size of output: 470 [2019-09-16 19:49:49,024 WARN L191 SmtUtils]: Spent 8.83 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-16 19:49:54,578 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-16 19:50:00,070 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-16 19:50:20,762 WARN L191 SmtUtils]: Spent 20.69 s on a formula simplification. DAG size of input: 480 DAG size of output: 468 [2019-09-16 19:50:29,443 WARN L191 SmtUtils]: Spent 8.68 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-16 19:50:50,199 WARN L191 SmtUtils]: Spent 20.75 s on a formula simplification. DAG size of input: 480 DAG size of output: 468 [2019-09-16 19:50:59,460 WARN L191 SmtUtils]: Spent 9.26 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-16 19:51:15,879 WARN L191 SmtUtils]: Spent 16.34 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-16 19:51:16,068 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-16 19:51:16,472 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 19:51:16,734 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 19:51:16,956 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-16 19:51:17,184 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-09-16 19:51:17,547 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-16 19:51:17,684 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-16 19:51:17,941 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-16 19:51:18,062 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-16 19:51:18,566 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-16 19:51:18,724 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-16 19:51:19,052 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-16 19:51:19,208 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-16 19:51:19,444 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-16 19:51:19,634 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-16 19:51:20,042 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 19:51:20,295 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 19:51:20,546 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-16 19:51:38,259 WARN L191 SmtUtils]: Spent 17.63 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-16 19:51:47,071 WARN L191 SmtUtils]: Spent 8.81 s on a formula simplification that was a NOOP. DAG size: 455