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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 04:27:22,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 04:27:22,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 04:27:22,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 04:27:22,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 04:27:22,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 04:27:22,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 04:27:22,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 04:27:22,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 04:27:22,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 04:27:22,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 04:27:22,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 04:27:22,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 04:27:22,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 04:27:22,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 04:27:22,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 04:27:22,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 04:27:22,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 04:27:22,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 04:27:22,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 04:27:22,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 04:27:22,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 04:27:22,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 04:27:22,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 04:27:22,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 04:27:22,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 04:27:22,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 04:27:22,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 04:27:22,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 04:27:22,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 04:27:22,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 04:27:22,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 04:27:22,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 04:27:22,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 04:27:22,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 04:27:22,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 04:27:22,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 04:27:22,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 04:27:22,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 04:27:22,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 04:27:22,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 04:27:22,669 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 04:27:22,695 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 04:27:22,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 04:27:22,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 04:27:22,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 04:27:22,698 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 04:27:22,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 04:27:22,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 04:27:22,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 04:27:22,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 04:27:22,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 04:27:22,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 04:27:22,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 04:27:22,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 04:27:22,701 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 04:27:22,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 04:27:22,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 04:27:22,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 04:27:22,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 04:27:22,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 04:27:22,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 04:27:22,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 04:27:22,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 04:27:22,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 04:27:22,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 04:27:22,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 04:27:22,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 04:27:22,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 04:27:22,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 04:27:22,704 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 -> SequenceOfStatements 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 04:27:22,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 04:27:22,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 04:27:22,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 04:27:22,756 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 04:27:22,756 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 04:27:22,757 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2019-09-18 04:27:22,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0a1735c3/e3193effa260420d97de06b229e955bc/FLAG7550df011 [2019-09-18 04:27:23,383 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 04:27:23,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2019-09-18 04:27:23,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0a1735c3/e3193effa260420d97de06b229e955bc/FLAG7550df011 [2019-09-18 04:27:23,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0a1735c3/e3193effa260420d97de06b229e955bc [2019-09-18 04:27:23,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 04:27:23,661 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 04:27:23,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 04:27:23,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 04:27:23,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 04:27:23,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:27:23" (1/1) ... [2019-09-18 04:27:23,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3143413b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:23, skipping insertion in model container [2019-09-18 04:27:23,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:27:23" (1/1) ... [2019-09-18 04:27:23,679 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 04:27:23,753 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 04:27:24,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:27:24,285 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 04:27:24,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:27:24,451 INFO L192 MainTranslator]: Completed translation [2019-09-18 04:27:24,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:24 WrapperNode [2019-09-18 04:27:24,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 04:27:24,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 04:27:24,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 04:27:24,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 04:27:24,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:24" (1/1) ... [2019-09-18 04:27:24,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:24" (1/1) ... [2019-09-18 04:27:24,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:24" (1/1) ... [2019-09-18 04:27:24,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:24" (1/1) ... [2019-09-18 04:27:24,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:24" (1/1) ... [2019-09-18 04:27:24,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:24" (1/1) ... [2019-09-18 04:27:24,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:24" (1/1) ... [2019-09-18 04:27:24,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 04:27:24,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 04:27:24,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 04:27:24,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 04:27:24,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:24" (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 04:27:24,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 04:27:24,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 04:27:24,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 04:27:24,592 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 04:27:24,592 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 04:27:24,592 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 04:27:24,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 04:27:24,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 04:27:24,593 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 04:27:24,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 04:27:24,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 04:27:24,593 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 04:27:24,594 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 04:27:24,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 04:27:24,594 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 04:27:24,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 04:27:24,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 04:27:24,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-18 04:27:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 04:27:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 04:27:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 04:27:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 04:27:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 04:27:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 04:27:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 04:27:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 04:27:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 04:27:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 04:27:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 04:27:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 04:27:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 04:27:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 04:27:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 04:27:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 04:27:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 04:27:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 04:27:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 04:27:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 04:27:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 04:27:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 04:27:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 04:27:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 04:27:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 04:27:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 04:27:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 04:27:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 04:27:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 04:27:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 04:27:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 04:27:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 04:27:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 04:27:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 04:27:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 04:27:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 04:27:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 04:27:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 04:27:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 04:27:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 04:27:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 04:27:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 04:27:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 04:27:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 04:27:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 04:27:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 04:27:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 04:27:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 04:27:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 04:27:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-18 04:27:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 04:27:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 04:27:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 04:27:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 04:27:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 04:27:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 04:27:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 04:27:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 04:27:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 04:27:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 04:27:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 04:27:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 04:27:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 04:27:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 04:27:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 04:27:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 04:27:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 04:27:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 04:27:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 04:27:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 04:27:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 04:27:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 04:27:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 04:27:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 04:27:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 04:27:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 04:27:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 04:27:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 04:27:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 04:27:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 04:27:25,719 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 04:27:25,720 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 04:27:25,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:27:25 BoogieIcfgContainer [2019-09-18 04:27:25,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 04:27:25,722 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 04:27:25,722 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 04:27:25,722 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 04:27:25,723 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:27:25" (1/1) ... [2019-09-18 04:27:25,724 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 04:27:25,745 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 04:27:25,746 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 04:27:25,754 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 04:27:25,763 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 04:27:25,765 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 04:27:46,439 WARN L191 SmtUtils]: Spent 12.60 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 04:27:48,150 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 04:27:52,101 WARN L191 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 04:27:53,916 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:27:55,694 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:27:55,709 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 04:27:55,772 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 04:27:55,778 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 04:28:07,330 WARN L191 SmtUtils]: Spent 11.31 s on a formula simplification. DAG size of input: 457 DAG size of output: 450 [2019-09-18 04:28:12,801 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 04:28:23,874 WARN L191 SmtUtils]: Spent 11.07 s on a formula simplification. DAG size of input: 457 DAG size of output: 450 [2019-09-18 04:28:29,302 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 04:28:40,362 WARN L191 SmtUtils]: Spent 11.06 s on a formula simplification. DAG size of input: 455 DAG size of output: 450 [2019-09-18 04:28:45,806 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 04:28:52,333 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 446 DAG size of output: 442 [2019-09-18 04:28:54,217 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 04:28:59,446 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 448 [2019-09-18 04:29:04,695 WARN L191 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 448 [2019-09-18 04:29:10,524 WARN L191 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 462 DAG size of output: 443 [2019-09-18 04:29:12,440 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-18 04:29:18,158 WARN L191 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 462 DAG size of output: 443 [2019-09-18 04:29:20,103 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-18 04:29:25,712 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 446 DAG size of output: 442 [2019-09-18 04:29:27,623 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 04:29:29,572 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 04:29:31,535 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 04:29:45,959 WARN L191 SmtUtils]: Spent 14.26 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:29:53,012 WARN L191 SmtUtils]: Spent 7.05 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:30:07,268 WARN L191 SmtUtils]: Spent 14.25 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:30:14,270 WARN L191 SmtUtils]: Spent 7.00 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:30:28,536 WARN L191 SmtUtils]: Spent 14.26 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:30:35,532 WARN L191 SmtUtils]: Spent 6.99 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:30:49,827 WARN L191 SmtUtils]: Spent 14.29 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:30:56,825 WARN L191 SmtUtils]: Spent 7.00 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:31:11,088 WARN L191 SmtUtils]: Spent 14.26 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:31:18,097 WARN L191 SmtUtils]: Spent 7.01 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:31:32,332 WARN L191 SmtUtils]: Spent 14.23 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:31:39,296 WARN L191 SmtUtils]: Spent 6.96 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:31:53,547 WARN L191 SmtUtils]: Spent 14.25 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:32:00,607 WARN L191 SmtUtils]: Spent 7.06 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:32:14,908 WARN L191 SmtUtils]: Spent 14.30 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:32:21,913 WARN L191 SmtUtils]: Spent 7.00 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:32:36,376 WARN L191 SmtUtils]: Spent 14.46 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:32:43,454 WARN L191 SmtUtils]: Spent 7.08 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:32:57,651 WARN L191 SmtUtils]: Spent 14.20 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:33:04,647 WARN L191 SmtUtils]: Spent 6.99 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:33:18,856 WARN L191 SmtUtils]: Spent 14.21 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:33:25,842 WARN L191 SmtUtils]: Spent 6.99 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:33:40,037 WARN L191 SmtUtils]: Spent 14.19 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:33:47,043 WARN L191 SmtUtils]: Spent 7.01 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:34:01,276 WARN L191 SmtUtils]: Spent 14.23 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:34:08,255 WARN L191 SmtUtils]: Spent 6.98 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:34:22,524 WARN L191 SmtUtils]: Spent 14.27 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:34:29,557 WARN L191 SmtUtils]: Spent 7.03 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:34:43,832 WARN L191 SmtUtils]: Spent 14.27 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:34:50,881 WARN L191 SmtUtils]: Spent 7.05 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:35:05,174 WARN L191 SmtUtils]: Spent 14.29 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:35:12,220 WARN L191 SmtUtils]: Spent 7.05 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:35:26,485 WARN L191 SmtUtils]: Spent 14.26 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:35:33,436 WARN L191 SmtUtils]: Spent 6.95 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:35:47,674 WARN L191 SmtUtils]: Spent 14.24 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:35:54,723 WARN L191 SmtUtils]: Spent 7.05 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:36:08,981 WARN L191 SmtUtils]: Spent 14.26 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:36:16,026 WARN L191 SmtUtils]: Spent 7.04 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:36:30,356 WARN L191 SmtUtils]: Spent 14.33 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:36:37,395 WARN L191 SmtUtils]: Spent 7.04 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:36:51,673 WARN L191 SmtUtils]: Spent 14.28 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-18 04:36:58,705 WARN L191 SmtUtils]: Spent 7.03 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:37:04,990 WARN L191 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 467 DAG size of output: 450 [2019-09-18 04:37:06,906 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 04:37:18,414 WARN L191 SmtUtils]: Spent 11.42 s on a formula simplification. DAG size of input: 455 DAG size of output: 444 [2019-09-18 04:37:20,331 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:37:31,775 WARN L191 SmtUtils]: Spent 11.44 s on a formula simplification. DAG size of input: 455 DAG size of output: 444 [2019-09-18 04:37:33,677 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:37:39,302 WARN L191 SmtUtils]: Spent 5.62 s on a formula simplification. DAG size of input: 448 DAG size of output: 444 [2019-09-18 04:37:41,180 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:37:43,081 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:37:45,014 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:37:50,751 WARN L191 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 450 DAG size of output: 446 [2019-09-18 04:37:52,656 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:37:58,556 WARN L191 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 455 DAG size of output: 444 [2019-09-18 04:38:00,488 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:38:06,278 WARN L191 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 455 DAG size of output: 444 [2019-09-18 04:38:08,202 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:38:19,388 WARN L191 SmtUtils]: Spent 11.18 s on a formula simplification. DAG size of input: 448 DAG size of output: 444 [2019-09-18 04:38:21,305 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:38:23,398 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:38:25,303 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:38:31,079 WARN L191 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 451 DAG size of output: 446 [2019-09-18 04:38:33,030 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:38:35,008 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 448 [2019-09-18 04:38:36,948 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 448 [2019-09-18 04:38:55,313 WARN L191 SmtUtils]: Spent 18.35 s on a formula simplification. DAG size of input: 462 DAG size of output: 460 [2019-09-18 04:38:58,266 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 462 DAG size of output: 15 [2019-09-18 04:39:04,518 WARN L191 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 467 DAG size of output: 450 [2019-09-18 04:39:06,544 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 04:39:18,073 WARN L191 SmtUtils]: Spent 11.43 s on a formula simplification. DAG size of input: 455 DAG size of output: 444 [2019-09-18 04:39:19,942 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:39:31,389 WARN L191 SmtUtils]: Spent 11.45 s on a formula simplification. DAG size of input: 455 DAG size of output: 444 [2019-09-18 04:39:33,340 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:39:38,982 WARN L191 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 448 DAG size of output: 444 [2019-09-18 04:39:40,881 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:39:42,752 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:39:44,655 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:39:50,364 WARN L191 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 450 DAG size of output: 446 [2019-09-18 04:39:52,244 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:40:03,700 WARN L191 SmtUtils]: Spent 11.39 s on a formula simplification. DAG size of input: 455 DAG size of output: 444 [2019-09-18 04:40:05,612 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:40:16,963 WARN L191 SmtUtils]: Spent 11.35 s on a formula simplification. DAG size of input: 455 DAG size of output: 444 [2019-09-18 04:40:18,835 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:40:24,466 WARN L191 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 448 DAG size of output: 444 [2019-09-18 04:40:26,394 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:40:28,378 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 04:40:30,286 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 444