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_spec5_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 14:33:24,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 14:33:24,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 14:33:24,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 14:33:24,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 14:33:24,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 14:33:24,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 14:33:24,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 14:33:24,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 14:33:24,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 14:33:24,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 14:33:24,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 14:33:24,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 14:33:24,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 14:33:24,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 14:33:24,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 14:33:24,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 14:33:24,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 14:33:24,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 14:33:24,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 14:33:24,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 14:33:24,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 14:33:24,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 14:33:24,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 14:33:24,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 14:33:24,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 14:33:24,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 14:33:24,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 14:33:24,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 14:33:24,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 14:33:24,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 14:33:24,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 14:33:24,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 14:33:24,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 14:33:24,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 14:33:24,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 14:33:24,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 14:33:24,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 14:33:24,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 14:33:24,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 14:33:24,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 14:33:24,721 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 14:33:24,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 14:33:24,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 14:33:24,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 14:33:24,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 14:33:24,738 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 14:33:24,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 14:33:24,738 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 14:33:24,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 14:33:24,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 14:33:24,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 14:33:24,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 14:33:24,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 14:33:24,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 14:33:24,740 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 14:33:24,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 14:33:24,740 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 14:33:24,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 14:33:24,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 14:33:24,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 14:33:24,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 14:33:24,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 14:33:24,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 14:33:24,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 14:33:24,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 14:33:24,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 14:33:24,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 14:33:24,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 14:33:24,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 14:33:24,744 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 14:33:24,775 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 14:33:24,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 14:33:24,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 14:33:24,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 14:33:24,793 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 14:33:24,793 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c [2019-09-18 14:33:24,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9946ecebb/c08b952491b74dfb9a2e967ef2848807/FLAGf7f6a9b93 [2019-09-18 14:33:25,332 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 14:33:25,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c [2019-09-18 14:33:25,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9946ecebb/c08b952491b74dfb9a2e967ef2848807/FLAGf7f6a9b93 [2019-09-18 14:33:25,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9946ecebb/c08b952491b74dfb9a2e967ef2848807 [2019-09-18 14:33:25,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 14:33:25,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 14:33:25,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 14:33:25,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 14:33:25,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 14:33:25,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:33:25" (1/1) ... [2019-09-18 14:33:25,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af9c1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:33:25, skipping insertion in model container [2019-09-18 14:33:25,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:33:25" (1/1) ... [2019-09-18 14:33:25,684 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 14:33:25,743 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 14:33:26,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:33:26,258 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 14:33:26,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:33:26,411 INFO L192 MainTranslator]: Completed translation [2019-09-18 14:33:26,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:33:26 WrapperNode [2019-09-18 14:33:26,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 14:33:26,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 14:33:26,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 14:33:26,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 14:33:26,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:33:26" (1/1) ... [2019-09-18 14:33:26,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:33:26" (1/1) ... [2019-09-18 14:33:26,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:33:26" (1/1) ... [2019-09-18 14:33:26,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:33:26" (1/1) ... [2019-09-18 14:33:26,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:33:26" (1/1) ... [2019-09-18 14:33:26,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:33:26" (1/1) ... [2019-09-18 14:33:26,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:33:26" (1/1) ... [2019-09-18 14:33:26,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 14:33:26,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 14:33:26,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 14:33:26,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 14:33:26,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:33:26" (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 14:33:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 14:33:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 14:33:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 14:33:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 14:33:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 14:33:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 14:33:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 14:33:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 14:33:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 14:33:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 14:33:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 14:33:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 14:33:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 14:33:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 14:33:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 14:33:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 14:33:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-18 14:33:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-18 14:33:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-18 14:33:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 14:33:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 14:33:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 14:33:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 14:33:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 14:33:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 14:33:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 14:33:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 14:33:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 14:33:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 14:33:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 14:33:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 14:33:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 14:33:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 14:33:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 14:33:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 14:33:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 14:33:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 14:33:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 14:33:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 14:33:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 14:33:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 14:33:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 14:33:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 14:33:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 14:33:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 14:33:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 14:33:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 14:33:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 14:33:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 14:33:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 14:33:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 14:33:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 14:33:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 14:33:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 14:33:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 14:33:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-18 14:33:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-18 14:33:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 14:33:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 14:33:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 14:33:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 14:33:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 14:33:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 14:33:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 14:33:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 14:33:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 14:33:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 14:33:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 14:33:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 14:33:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 14:33:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-18 14:33:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 14:33:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 14:33:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 14:33:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 14:33:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 14:33:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 14:33:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 14:33:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 14:33:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 14:33:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 14:33:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 14:33:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 14:33:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 14:33:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 14:33:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 14:33:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 14:33:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 14:33:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 14:33:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 14:33:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 14:33:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 14:33:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 14:33:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 14:33:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 14:33:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 14:33:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 14:33:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 14:33:27,878 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 14:33:27,879 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 14:33:27,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:33:27 BoogieIcfgContainer [2019-09-18 14:33:27,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 14:33:27,882 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 14:33:27,882 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 14:33:27,882 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 14:33:27,884 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:33:27" (1/1) ... [2019-09-18 14:33:27,884 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 14:33:27,917 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 14:33:27,918 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 14:33:27,936 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 14:33:27,950 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 14:33:27,955 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 14:33:28,603 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-18 14:33:28,797 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-18 14:33:29,152 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-18 14:33:29,390 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-18 14:33:29,883 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-09-18 14:33:30,371 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2019-09-18 14:33:31,024 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 139 [2019-09-18 14:33:31,649 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2019-09-18 14:33:32,573 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 161 [2019-09-18 14:33:33,429 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 160 [2019-09-18 14:33:34,601 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 198 DAG size of output: 180 [2019-09-18 14:33:35,485 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 175 [2019-09-18 14:33:36,952 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 230 DAG size of output: 202 [2019-09-18 14:33:38,008 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 197 [2019-09-18 14:33:39,838 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 267 DAG size of output: 211 [2019-09-18 14:33:41,037 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 240 DAG size of output: 206 [2019-09-18 14:33:41,383 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 14:33:43,201 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 304 DAG size of output: 220 [2019-09-18 14:33:44,518 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 255 DAG size of output: 215 [2019-09-18 14:33:45,003 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-18 14:33:47,246 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 334 DAG size of output: 228 [2019-09-18 14:33:48,740 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2019-09-18 14:33:49,423 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-09-18 14:33:52,152 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 393 DAG size of output: 238 [2019-09-18 14:33:53,719 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 281 DAG size of output: 235 [2019-09-18 14:33:54,598 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2019-09-18 14:33:57,820 WARN L191 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 454 DAG size of output: 248 [2019-09-18 14:33:58,078 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 14:33:59,573 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 289 DAG size of output: 245 [2019-09-18 14:34:00,725 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-09-18 14:34:04,666 WARN L191 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 458 DAG size of output: 258 [2019-09-18 14:34:05,010 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-18 14:34:06,774 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 309 DAG size of output: 257 [2019-09-18 14:34:08,178 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2019-09-18 14:34:12,971 WARN L191 SmtUtils]: Spent 4.78 s on a formula simplification. DAG size of input: 540 DAG size of output: 270 [2019-09-18 14:34:13,300 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 14:34:15,190 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 327 DAG size of output: 269 [2019-09-18 14:34:16,900 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2019-09-18 14:34:22,465 WARN L191 SmtUtils]: Spent 5.55 s on a formula simplification. DAG size of input: 558 DAG size of output: 283 [2019-09-18 14:34:22,795 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-18 14:34:24,763 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 332 DAG size of output: 278 [2019-09-18 14:34:27,085 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 14:34:33,980 WARN L191 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 653 DAG size of output: 291 [2019-09-18 14:34:34,420 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 14:34:36,721 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 359 DAG size of output: 292 [2019-09-18 14:34:39,409 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-18 14:34:47,225 WARN L191 SmtUtils]: Spent 7.80 s on a formula simplification. DAG size of input: 687 DAG size of output: 305 [2019-09-18 14:34:47,685 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-18 14:34:50,153 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 380 DAG size of output: 306 [2019-09-18 14:34:53,317 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 587 [2019-09-18 14:35:03,098 WARN L191 SmtUtils]: Spent 9.77 s on a formula simplification. DAG size of input: 803 DAG size of output: 319 [2019-09-18 14:35:03,538 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-18 14:35:06,155 WARN L191 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 389 DAG size of output: 316 [2019-09-18 14:35:08,920 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 661 [2019-09-18 14:35:16,837 WARN L191 SmtUtils]: Spent 7.90 s on a formula simplification. DAG size of input: 913 DAG size of output: 335 [2019-09-18 14:35:17,288 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 14:35:20,174 WARN L191 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 409 DAG size of output: 332 [2019-09-18 14:35:24,848 WARN L191 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 739 [2019-09-18 14:35:37,785 WARN L191 SmtUtils]: Spent 12.91 s on a formula simplification. DAG size of input: 957 DAG size of output: 345 [2019-09-18 14:35:38,277 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-18 14:35:41,424 WARN L191 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 404 DAG size of output: 342 [2019-09-18 14:35:45,257 WARN L191 SmtUtils]: Spent 3.22 s on a formula simplification that was a NOOP. DAG size: 797 [2019-09-18 14:35:54,553 WARN L191 SmtUtils]: Spent 9.28 s on a formula simplification. DAG size of input: 848 DAG size of output: 378 [2019-09-18 14:35:55,104 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 14:35:58,611 WARN L191 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 451 DAG size of output: 373 [2019-09-18 14:36:02,956 WARN L191 SmtUtils]: Spent 3.65 s on a formula simplification that was a NOOP. DAG size: 855 [2019-09-18 14:36:15,463 WARN L191 SmtUtils]: Spent 12.48 s on a formula simplification. DAG size of input: 1057 DAG size of output: 405 [2019-09-18 14:36:16,106 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 14:36:20,273 WARN L191 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 478 DAG size of output: 406 [2019-09-18 14:36:27,645 WARN L191 SmtUtils]: Spent 4.10 s on a formula simplification that was a NOOP. DAG size: 913 [2019-09-18 14:36:48,795 WARN L191 SmtUtils]: Spent 21.12 s on a formula simplification. DAG size of input: 1126 DAG size of output: 423 [2019-09-18 14:36:49,422 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 14:36:53,996 WARN L191 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 505 DAG size of output: 420 [2019-09-18 14:36:57,920 WARN L191 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 426 DAG size of output: 424 [2019-09-18 14:36:59,895 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 14:36:59,908 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 14:36:59,980 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 14:36:59,994 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 14:37:13,782 WARN L191 SmtUtils]: Spent 13.67 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:37:20,280 WARN L191 SmtUtils]: Spent 6.50 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:37:41,911 WARN L191 SmtUtils]: Spent 21.56 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-18 14:37:52,651 WARN L191 SmtUtils]: Spent 10.74 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 14:38:25,595 WARN L191 SmtUtils]: Spent 32.91 s on a formula simplification. DAG size of input: 475 DAG size of output: 468 [2019-09-18 14:38:36,446 WARN L191 SmtUtils]: Spent 10.85 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 14:38:51,138 WARN L191 SmtUtils]: Spent 13.37 s on a formula simplification. DAG size of input: 470 DAG size of output: 464 [2019-09-18 14:38:57,762 WARN L191 SmtUtils]: Spent 6.62 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 14:39:14,900 WARN L191 SmtUtils]: Spent 17.12 s on a formula simplification. DAG size of input: 470 DAG size of output: 469 [2019-09-18 14:39:23,544 WARN L191 SmtUtils]: Spent 8.64 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-18 14:39:45,384 WARN L191 SmtUtils]: Spent 21.79 s on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2019-09-18 14:39:56,244 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 14:40:30,760 WARN L191 SmtUtils]: Spent 34.47 s on a formula simplification. DAG size of input: 488 DAG size of output: 486 [2019-09-18 14:40:47,980 WARN L191 SmtUtils]: Spent 17.22 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-18 14:41:01,687 WARN L191 SmtUtils]: Spent 13.61 s on a formula simplification. DAG size of input: 493 DAG size of output: 465 [2019-09-18 14:41:08,325 WARN L191 SmtUtils]: Spent 6.64 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 14:41:13,256 WARN L191 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 464 DAG size of output: 458 [2019-09-18 14:41:15,483 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 14:41:28,757 WARN L191 SmtUtils]: Spent 13.25 s on a formula simplification. DAG size of input: 470 DAG size of output: 464 [2019-09-18 14:41:35,373 WARN L191 SmtUtils]: Spent 6.61 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 14:41:57,435 WARN L191 SmtUtils]: Spent 22.03 s on a formula simplification. DAG size of input: 472 DAG size of output: 472 [2019-09-18 14:42:08,390 WARN L191 SmtUtils]: Spent 10.95 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 14:42:47,411 WARN L191 SmtUtils]: Spent 38.98 s on a formula simplification. DAG size of input: 485 DAG size of output: 485 [2019-09-18 14:43:06,813 WARN L191 SmtUtils]: Spent 19.40 s on a formula simplification that was a NOOP. DAG size: 485 [2019-09-18 14:43:20,550 WARN L191 SmtUtils]: Spent 13.67 s on a formula simplification. DAG size of input: 493 DAG size of output: 465 [2019-09-18 14:43:27,160 WARN L191 SmtUtils]: Spent 6.61 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 14:43:31,792 WARN L191 SmtUtils]: Spent 4.62 s on a formula simplification. DAG size of input: 464 DAG size of output: 458 [2019-09-18 14:43:34,017 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 14:43:56,112 WARN L191 SmtUtils]: Spent 22.03 s on a formula simplification. DAG size of input: 472 DAG size of output: 472 [2019-09-18 14:44:07,022 WARN L191 SmtUtils]: Spent 10.91 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 14:44:29,042 WARN L191 SmtUtils]: Spent 22.02 s on a formula simplification. DAG size of input: 472 DAG size of output: 472 [2019-09-18 14:44:40,045 WARN L191 SmtUtils]: Spent 11.00 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 14:45:02,263 WARN L191 SmtUtils]: Spent 22.22 s on a formula simplification. DAG size of input: 472 DAG size of output: 472 [2019-09-18 14:45:13,430 WARN L191 SmtUtils]: Spent 11.17 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 14:45:35,498 WARN L191 SmtUtils]: Spent 22.07 s on a formula simplification. DAG size of input: 472 DAG size of output: 472 [2019-09-18 14:45:46,456 WARN L191 SmtUtils]: Spent 10.96 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 14:46:25,669 WARN L191 SmtUtils]: Spent 39.17 s on a formula simplification. DAG size of input: 485 DAG size of output: 485 [2019-09-18 14:46:45,294 WARN L191 SmtUtils]: Spent 19.62 s on a formula simplification that was a NOOP. DAG size: 485