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 CompoundDomain --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_spec2_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 18:12:31,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 18:12:31,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 18:12:31,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 18:12:31,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 18:12:31,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 18:12:31,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 18:12:31,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 18:12:31,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 18:12:31,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 18:12:31,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 18:12:31,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 18:12:31,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 18:12:31,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 18:12:31,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 18:12:31,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 18:12:31,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 18:12:31,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 18:12:31,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 18:12:31,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 18:12:31,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 18:12:31,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 18:12:31,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 18:12:31,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 18:12:31,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 18:12:31,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 18:12:31,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 18:12:31,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 18:12:31,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 18:12:31,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 18:12:31,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 18:12:31,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 18:12:31,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 18:12:31,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 18:12:31,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 18:12:31,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 18:12:31,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 18:12:31,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 18:12:31,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 18:12:31,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 18:12:31,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 18:12:31,857 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 [2019-09-17 18:12:31,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 18:12:31,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 18:12:31,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 18:12:31,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 18:12:31,873 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 18:12:31,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 18:12:31,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 18:12:31,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 18:12:31,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 18:12:31,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 18:12:31,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 18:12:31,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 18:12:31,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 18:12:31,875 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 18:12:31,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 18:12:31,876 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 18:12:31,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 18:12:31,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 18:12:31,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 18:12:31,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 18:12:31,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 18:12:31,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 18:12:31,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 18:12:31,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 18:12:31,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 18:12:31,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 18:12:31,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 18:12:31,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 18:12:31,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 [2019-09-17 18:12:31,909 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 18:12:31,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 18:12:31,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 18:12:31,928 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 18:12:31,928 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 18:12:31,929 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2019-09-17 18:12:31,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e193e89/353be4d1586d4c0ca99b7ed2e03ee660/FLAG6cce0e5c1 [2019-09-17 18:12:32,478 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 18:12:32,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2019-09-17 18:12:32,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e193e89/353be4d1586d4c0ca99b7ed2e03ee660/FLAG6cce0e5c1 [2019-09-17 18:12:32,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e193e89/353be4d1586d4c0ca99b7ed2e03ee660 [2019-09-17 18:12:32,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 18:12:32,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 18:12:32,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 18:12:32,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 18:12:32,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 18:12:32,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:12:32" (1/1) ... [2019-09-17 18:12:32,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4229c3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:32, skipping insertion in model container [2019-09-17 18:12:32,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:12:32" (1/1) ... [2019-09-17 18:12:32,802 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 18:12:32,869 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 18:12:33,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 18:12:33,385 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 18:12:33,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 18:12:33,518 INFO L192 MainTranslator]: Completed translation [2019-09-17 18:12:33,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:33 WrapperNode [2019-09-17 18:12:33,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 18:12:33,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 18:12:33,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 18:12:33,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 18:12:33,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:33" (1/1) ... [2019-09-17 18:12:33,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:33" (1/1) ... [2019-09-17 18:12:33,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:33" (1/1) ... [2019-09-17 18:12:33,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:33" (1/1) ... [2019-09-17 18:12:33,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:33" (1/1) ... [2019-09-17 18:12:33,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:33" (1/1) ... [2019-09-17 18:12:33,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:33" (1/1) ... [2019-09-17 18:12:33,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 18:12:33,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 18:12:33,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 18:12:33,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 18:12:33,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:33" (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 [2019-09-17 18:12:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 18:12:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 18:12:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 18:12:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 18:12:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 18:12:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 18:12:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 18:12:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-17 18:12:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 18:12:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 18:12:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 18:12:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 18:12:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 18:12:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 18:12:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 18:12:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 18:12:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 18:12:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 18:12:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 18:12:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 18:12:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 18:12:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 18:12:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 18:12:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 18:12:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 18:12:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 18:12:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 18:12:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 18:12:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 18:12:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 18:12:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 18:12:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 18:12:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 18:12:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 18:12:33,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-17 18:12:33,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-17 18:12:33,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 18:12:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 18:12:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 18:12:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 18:12:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 18:12:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 18:12:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 18:12:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 18:12:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 18:12:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 18:12:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 18:12:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 18:12:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 18:12:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 18:12:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 18:12:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 18:12:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 18:12:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 18:12:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 18:12:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 18:12:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 18:12:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 18:12:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 18:12:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 18:12:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 18:12:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-17 18:12:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 18:12:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 18:12:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 18:12:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-17 18:12:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 18:12:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 18:12:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 18:12:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 18:12:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 18:12:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-17 18:12:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 18:12:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 18:12:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 18:12:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 18:12:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 18:12:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 18:12:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 18:12:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 18:12:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 18:12:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 18:12:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 18:12:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 18:12:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 18:12:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 18:12:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 18:12:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 18:12:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 18:12:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 18:12:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 18:12:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 18:12:33,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 18:12:33,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 18:12:33,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 18:12:33,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 18:12:33,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 18:12:33,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 18:12:35,524 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 18:12:35,525 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 18:12:35,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:12:35 BoogieIcfgContainer [2019-09-17 18:12:35,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 18:12:35,527 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 18:12:35,527 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 18:12:35,527 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 18:12:35,529 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:12:35" (1/1) ... [2019-09-17 18:12:35,529 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-17 18:12:35,556 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 18:12:35,561 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 18:12:35,577 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 18:12:35,589 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 18:12:35,591 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 18:12:59,391 WARN L191 SmtUtils]: Spent 14.25 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 18:13:01,229 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 18:13:05,047 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-17 18:13:06,891 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-17 18:13:08,644 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-17 18:13:08,914 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-17 18:13:13,545 WARN L191 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 494 DAG size of output: 437 [2019-09-17 18:13:13,576 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 447 for LOIs [2019-09-17 18:13:13,666 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 447 for LOIs [2019-09-17 18:13:13,693 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 446 for LOIs [2019-09-17 18:13:26,324 WARN L191 SmtUtils]: Spent 12.40 s on a formula simplification. DAG size of input: 475 DAG size of output: 471 [2019-09-17 18:13:32,414 WARN L191 SmtUtils]: Spent 6.09 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-17 18:13:32,810 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 18:13:52,219 WARN L191 SmtUtils]: Spent 19.41 s on a formula simplification. DAG size of input: 530 DAG size of output: 471 [2019-09-17 18:14:04,709 WARN L191 SmtUtils]: Spent 12.39 s on a formula simplification. DAG size of input: 480 DAG size of output: 473 [2019-09-17 18:14:10,765 WARN L191 SmtUtils]: Spent 6.05 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-17 18:14:11,169 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 18:14:31,106 WARN L191 SmtUtils]: Spent 19.94 s on a formula simplification. DAG size of input: 534 DAG size of output: 476 [2019-09-17 18:14:43,561 WARN L191 SmtUtils]: Spent 12.45 s on a formula simplification. DAG size of input: 480 DAG size of output: 473 [2019-09-17 18:14:49,607 WARN L191 SmtUtils]: Spent 6.04 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-17 18:14:49,997 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 18:15:09,924 WARN L191 SmtUtils]: Spent 19.93 s on a formula simplification. DAG size of input: 534 DAG size of output: 476 [2019-09-17 18:15:19,021 WARN L191 SmtUtils]: Spent 9.02 s on a formula simplification that was a NOOP. DAG size: 493 [2019-09-17 18:15:28,083 WARN L191 SmtUtils]: Spent 9.06 s on a formula simplification that was a NOOP. DAG size: 493 [2019-09-17 18:15:28,481 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 18:15:48,350 WARN L191 SmtUtils]: Spent 19.87 s on a formula simplification. DAG size of input: 539 DAG size of output: 494 [2019-09-17 18:16:12,394 WARN L191 SmtUtils]: Spent 24.04 s on a formula simplification. DAG size of input: 501 DAG size of output: 501 [2019-09-17 18:16:24,446 WARN L191 SmtUtils]: Spent 12.05 s on a formula simplification that was a NOOP. DAG size: 501 [2019-09-17 18:16:24,842 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 18:16:49,621 WARN L191 SmtUtils]: Spent 24.78 s on a formula simplification. DAG size of input: 546 DAG size of output: 502 [2019-09-17 18:16:50,916 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2019-09-17 18:16:51,039 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-09-17 18:16:51,224 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-17 18:16:51,454 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-17 18:16:51,565 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-17 18:17:16,689 WARN L191 SmtUtils]: Spent 24.95 s on a formula simplification. DAG size of input: 521 DAG size of output: 518 [2019-09-17 18:17:29,190 WARN L191 SmtUtils]: Spent 12.50 s on a formula simplification that was a NOOP. DAG size: 518 [2019-09-17 18:17:29,704 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 18:17:56,790 WARN L191 SmtUtils]: Spent 27.08 s on a formula simplification. DAG size of input: 558 DAG size of output: 517 [2019-09-17 18:18:11,242 WARN L191 SmtUtils]: Spent 14.43 s on a formula simplification that was a NOOP. DAG size: 526 [2019-09-17 18:18:25,735 WARN L191 SmtUtils]: Spent 14.49 s on a formula simplification that was a NOOP. DAG size: 526 [2019-09-17 18:18:55,047 WARN L191 SmtUtils]: Spent 29.25 s on a formula simplification. DAG size of input: 564 DAG size of output: 527 [2019-09-17 18:19:16,990 WARN L191 SmtUtils]: Spent 21.70 s on a formula simplification. DAG size of input: 560 DAG size of output: 520 [2019-09-17 18:19:27,636 WARN L191 SmtUtils]: Spent 10.64 s on a formula simplification that was a NOOP. DAG size: 520 [2019-09-17 18:19:28,120 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 18:20:02,305 WARN L191 SmtUtils]: Spent 34.18 s on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2019-09-17 18:20:24,576 WARN L191 SmtUtils]: Spent 22.20 s on a formula simplification. DAG size of input: 559 DAG size of output: 516 [2019-09-17 18:20:35,062 WARN L191 SmtUtils]: Spent 10.49 s on a formula simplification that was a NOOP. DAG size: 516 [2019-09-17 18:20:35,547 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-17 18:20:50,898 WARN L191 SmtUtils]: Spent 15.35 s on a formula simplification. DAG size of input: 559 DAG size of output: 520 [2019-09-17 18:21:12,442 WARN L191 SmtUtils]: Spent 21.54 s on a formula simplification. DAG size of input: 559 DAG size of output: 516 [2019-09-17 18:21:22,834 WARN L191 SmtUtils]: Spent 10.39 s on a formula simplification that was a NOOP. DAG size: 516 [2019-09-17 18:21:23,201 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-17 18:21:38,391 WARN L191 SmtUtils]: Spent 15.19 s on a formula simplification. DAG size of input: 559 DAG size of output: 520 [2019-09-17 18:22:06,052 WARN L191 SmtUtils]: Spent 27.64 s on a formula simplification. DAG size of input: 562 DAG size of output: 557 [2019-09-17 18:22:19,775 WARN L191 SmtUtils]: Spent 13.72 s on a formula simplification that was a NOOP. DAG size: 557 [2019-09-17 18:22:20,156 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 18:22:49,498 WARN L191 SmtUtils]: Spent 29.34 s on a formula simplification. DAG size of input: 563 DAG size of output: 558 [2019-09-17 18:23:23,802 WARN L191 SmtUtils]: Spent 34.30 s on a formula simplification. DAG size of input: 569 DAG size of output: 568 [2019-09-17 18:23:40,977 WARN L191 SmtUtils]: Spent 17.17 s on a formula simplification that was a NOOP. DAG size: 568 [2019-09-17 18:23:41,367 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 18:24:18,170 WARN L191 SmtUtils]: Spent 36.80 s on a formula simplification. DAG size of input: 573 DAG size of output: 567 [2019-09-17 18:24:18,581 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-17 18:24:24,426 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification. DAG size of input: 183 DAG size of output: 160 [2019-09-17 18:24:27,052 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 160 [2019-09-17 18:24:29,676 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 160 [2019-09-17 18:24:30,044 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 18:24:30,388 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 18:24:38,095 WARN L191 SmtUtils]: Spent 7.70 s on a formula simplification. DAG size of input: 569 DAG size of output: 518 [2019-09-17 18:24:40,734 WARN L191 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 518 [2019-09-17 18:24:47,256 WARN L191 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 519 DAG size of output: 503 [2019-09-17 18:24:50,074 WARN L191 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 518 DAG size of output: 139 [2019-09-17 18:24:50,357 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 18:24:50,700 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 18:24:51,744 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 140 DAG size of output: 133 [2019-09-17 18:24:54,481 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 523 DAG size of output: 136 [2019-09-17 18:24:54,776 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 18:24:55,142 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-17 18:24:55,887 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 136 [2019-09-17 18:24:58,613 WARN L191 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 523 DAG size of output: 136 [2019-09-17 18:24:58,915 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 18:24:59,276 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-17 18:24:59,997 WARN L191 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 136 [2019-09-17 18:25:01,024 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 148 [2019-09-17 18:25:02,057 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 148 [2019-09-17 18:25:03,089 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 147 [2019-09-17 18:25:05,658 WARN L191 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 158 DAG size of output: 153 [2019-09-17 18:25:08,479 WARN L191 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 157 DAG size of output: 155 [2019-09-17 18:25:09,878 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 155 [2019-09-17 18:25:10,220 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 18:25:12,452 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 156 DAG size of output: 156 [2019-09-17 18:25:13,770 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 177 DAG size of output: 174 [2019-09-17 18:25:14,415 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-09-17 18:25:14,769 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 18:25:16,154 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 175 DAG size of output: 174 [2019-09-17 18:25:18,856 WARN L191 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 517 DAG size of output: 143 [2019-09-17 18:25:19,160 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 18:25:19,509 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:25:20,581 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 142 DAG size of output: 137 [2019-09-17 18:25:23,190 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 522 DAG size of output: 140 [2019-09-17 18:25:23,484 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 18:25:23,853 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 18:25:24,595 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2019-09-17 18:25:27,163 WARN L191 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 522 DAG size of output: 140 [2019-09-17 18:25:27,455 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 18:25:27,810 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 18:25:28,551 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2019-09-17 18:25:29,620 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 152 [2019-09-17 18:25:30,677 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 152 [2019-09-17 18:25:31,692 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 148 [2019-09-17 18:25:34,285 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2019-09-17 18:25:37,134 WARN L191 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-09-17 18:25:38,541 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-17 18:25:38,893 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:25:41,759 WARN L191 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 160 DAG size of output: 160