java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 12:12:46,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 12:12:46,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 12:12:47,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 12:12:47,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 12:12:47,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 12:12:47,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 12:12:47,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 12:12:47,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 12:12:47,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 12:12:47,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 12:12:47,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 12:12:47,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 12:12:47,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 12:12:47,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 12:12:47,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 12:12:47,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 12:12:47,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 12:12:47,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 12:12:47,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 12:12:47,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 12:12:47,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 12:12:47,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 12:12:47,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 12:12:47,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 12:12:47,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 12:12:47,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 12:12:47,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 12:12:47,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 12:12:47,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 12:12:47,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 12:12:47,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 12:12:47,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 12:12:47,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 12:12:47,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 12:12:47,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 12:12:47,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 12:12:47,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 12:12:47,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 12:12:47,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 12:12:47,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 12:12:47,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 12:12:47,059 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 12:12:47,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 12:12:47,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 12:12:47,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 12:12:47,061 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 12:12:47,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 12:12:47,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 12:12:47,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 12:12:47,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 12:12:47,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 12:12:47,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 12:12:47,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 12:12:47,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 12:12:47,063 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 12:12:47,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 12:12:47,063 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 12:12:47,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 12:12:47,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 12:12:47,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 12:12:47,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 12:12:47,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 12:12:47,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 12:12:47,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 12:12:47,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 12:12:47,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 12:12:47,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 12:12:47,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 12:12:47,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 12:12:47,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 12:12:47,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 12:12:47,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 12:12:47,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 12:12:47,114 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 12:12:47,114 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 12:12:47,115 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c [2019-09-18 12:12:47,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc05fd27b/16390aa654e3464fbb26842ec07ffc60/FLAG2c0c842c1 [2019-09-18 12:12:47,685 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 12:12:47,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c [2019-09-18 12:12:47,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc05fd27b/16390aa654e3464fbb26842ec07ffc60/FLAG2c0c842c1 [2019-09-18 12:12:48,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc05fd27b/16390aa654e3464fbb26842ec07ffc60 [2019-09-18 12:12:48,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 12:12:48,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 12:12:48,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 12:12:48,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 12:12:48,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 12:12:48,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:12:48" (1/1) ... [2019-09-18 12:12:48,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df463d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:12:48, skipping insertion in model container [2019-09-18 12:12:48,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:12:48" (1/1) ... [2019-09-18 12:12:48,036 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 12:12:48,093 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 12:12:48,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:12:48,509 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 12:12:48,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:12:48,653 INFO L192 MainTranslator]: Completed translation [2019-09-18 12:12:48,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:12:48 WrapperNode [2019-09-18 12:12:48,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 12:12:48,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 12:12:48,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 12:12:48,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 12:12:48,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:12:48" (1/1) ... [2019-09-18 12:12:48,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:12:48" (1/1) ... [2019-09-18 12:12:48,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:12:48" (1/1) ... [2019-09-18 12:12:48,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:12:48" (1/1) ... [2019-09-18 12:12:48,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:12:48" (1/1) ... [2019-09-18 12:12:48,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:12:48" (1/1) ... [2019-09-18 12:12:48,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:12:48" (1/1) ... [2019-09-18 12:12:48,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 12:12:48,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 12:12:48,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 12:12:48,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 12:12:48,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:12:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 12:12:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 12:12:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 12:12:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 12:12:48,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 12:12:48,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 12:12:48,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 12:12:48,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 12:12:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 12:12:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 12:12:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 12:12:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 12:12:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 12:12:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 12:12:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 12:12:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 12:12:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 12:12:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 12:12:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 12:12:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-18 12:12:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 12:12:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 12:12:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 12:12:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 12:12:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 12:12:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 12:12:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 12:12:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 12:12:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 12:12:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 12:12:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 12:12:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 12:12:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 12:12:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 12:12:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 12:12:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 12:12:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 12:12:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 12:12:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 12:12:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 12:12:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 12:12:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 12:12:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 12:12:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 12:12:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 12:12:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 12:12:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 12:12:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 12:12:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 12:12:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 12:12:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 12:12:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 12:12:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 12:12:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 12:12:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 12:12:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 12:12:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 12:12:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 12:12:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 12:12:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 12:12:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 12:12:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 12:12:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 12:12:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 12:12:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 12:12:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 12:12:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 12:12:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 12:12:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 12:12:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 12:12:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 12:12:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 12:12:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 12:12:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 12:12:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-18 12:12:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 12:12:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 12:12:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 12:12:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 12:12:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 12:12:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 12:12:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 12:12:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 12:12:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 12:12:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 12:12:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 12:12:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 12:12:49,961 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 12:12:49,962 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 12:12:49,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:12:49 BoogieIcfgContainer [2019-09-18 12:12:49,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 12:12:49,964 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 12:12:49,964 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 12:12:49,965 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 12:12:49,966 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:12:49" (1/1) ... [2019-09-18 12:12:49,966 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 12:12:49,989 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 12:12:49,990 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 12:12:50,000 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 12:12:50,009 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 12:12:50,010 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 12:12:50,537 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-18 12:12:50,672 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-18 12:12:50,894 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-18 12:12:51,132 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-18 12:12:51,442 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-18 12:12:51,676 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-18 12:12:52,079 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-18 12:12:52,405 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2019-09-18 12:12:52,923 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2019-09-18 12:12:53,374 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 85 [2019-09-18 12:12:54,074 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2019-09-18 12:12:54,618 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2019-09-18 12:12:55,459 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 111 [2019-09-18 12:12:55,943 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 106 [2019-09-18 12:12:56,260 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 12:12:57,131 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 119 [2019-09-18 12:12:57,346 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 12:12:57,869 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 120 [2019-09-18 12:12:58,258 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-18 12:12:59,373 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 243 DAG size of output: 133 [2019-09-18 12:12:59,593 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 12:13:00,233 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 134 [2019-09-18 12:13:00,628 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-18 12:13:01,693 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 291 DAG size of output: 147 [2019-09-18 12:13:02,585 WARN L191 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2019-09-18 12:13:03,270 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2019-09-18 12:13:05,150 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 337 DAG size of output: 165 [2019-09-18 12:13:06,174 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 160 [2019-09-18 12:13:07,053 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-09-18 12:13:09,346 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 402 DAG size of output: 174 [2019-09-18 12:13:10,438 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 169 [2019-09-18 12:13:11,619 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-09-18 12:13:14,631 WARN L191 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 474 DAG size of output: 214 [2019-09-18 12:13:15,960 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 257 DAG size of output: 209 [2019-09-18 12:13:17,311 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-09-18 12:13:21,037 WARN L191 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 525 DAG size of output: 241 [2019-09-18 12:13:22,568 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 280 DAG size of output: 236 [2019-09-18 12:13:24,260 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 12:13:29,019 WARN L191 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 613 DAG size of output: 260 [2019-09-18 12:13:30,798 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 305 DAG size of output: 255 [2019-09-18 12:13:32,896 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-18 12:13:38,793 WARN L191 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 683 DAG size of output: 279 [2019-09-18 12:13:39,092 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 12:13:40,847 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 328 DAG size of output: 276 [2019-09-18 12:13:43,403 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 565 [2019-09-18 12:13:49,856 WARN L191 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 779 DAG size of output: 289 [2019-09-18 12:13:50,201 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 12:13:52,088 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 348 DAG size of output: 286 [2019-09-18 12:13:54,299 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 623 [2019-09-18 12:13:59,457 WARN L191 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 763 DAG size of output: 307 [2019-09-18 12:13:59,788 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 12:14:01,865 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 369 DAG size of output: 302 [2019-09-18 12:14:05,611 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 681 [2019-09-18 12:14:15,160 WARN L191 SmtUtils]: Spent 9.53 s on a formula simplification. DAG size of input: 944 DAG size of output: 328 [2019-09-18 12:14:15,577 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 12:14:17,895 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 399 DAG size of output: 325 [2019-09-18 12:14:22,216 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 739 [2019-09-18 12:14:33,913 WARN L191 SmtUtils]: Spent 11.67 s on a formula simplification. DAG size of input: 906 DAG size of output: 361 [2019-09-18 12:14:34,440 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 12:14:37,252 WARN L191 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 420 DAG size of output: 360 [2019-09-18 12:14:42,096 WARN L191 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 797 [2019-09-18 12:14:56,185 WARN L191 SmtUtils]: Spent 14.06 s on a formula simplification. DAG size of input: 1002 DAG size of output: 380 [2019-09-18 12:14:56,669 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 12:14:59,704 WARN L191 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 451 DAG size of output: 377 [2019-09-18 12:15:05,696 WARN L191 SmtUtils]: Spent 3.20 s on a formula simplification that was a NOOP. DAG size: 855 [2019-09-18 12:15:22,025 WARN L191 SmtUtils]: Spent 16.30 s on a formula simplification. DAG size of input: 1111 DAG size of output: 402 [2019-09-18 12:15:22,604 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 12:15:26,147 WARN L191 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 485 DAG size of output: 403 [2019-09-18 12:15:32,902 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification that was a NOOP. DAG size: 913 [2019-09-18 12:15:50,356 WARN L191 SmtUtils]: Spent 17.42 s on a formula simplification. DAG size of input: 1146 DAG size of output: 420 [2019-09-18 12:15:50,935 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 12:15:54,552 WARN L191 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 485 DAG size of output: 417 [2019-09-18 12:15:57,933 WARN L191 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2019-09-18 12:15:59,652 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 12:15:59,662 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 12:15:59,703 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 12:15:59,707 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 12:16:11,108 WARN L191 SmtUtils]: Spent 11.24 s on a formula simplification. DAG size of input: 450 DAG size of output: 447 [2019-09-18 12:16:16,695 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 12:16:27,899 WARN L191 SmtUtils]: Spent 11.16 s on a formula simplification. DAG size of input: 451 DAG size of output: 445 [2019-09-18 12:16:33,406 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 12:16:51,973 WARN L191 SmtUtils]: Spent 18.54 s on a formula simplification. DAG size of input: 464 DAG size of output: 461 [2019-09-18 12:17:01,219 WARN L191 SmtUtils]: Spent 9.25 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 12:17:19,649 WARN L191 SmtUtils]: Spent 18.43 s on a formula simplification. DAG size of input: 464 DAG size of output: 461 [2019-09-18 12:17:28,825 WARN L191 SmtUtils]: Spent 9.18 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 12:17:47,498 WARN L191 SmtUtils]: Spent 18.67 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-18 12:17:56,831 WARN L191 SmtUtils]: Spent 9.33 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 12:18:09,091 WARN L191 SmtUtils]: Spent 11.82 s on a formula simplification. DAG size of input: 466 DAG size of output: 455 [2019-09-18 12:18:14,755 WARN L191 SmtUtils]: Spent 5.66 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 12:18:22,081 WARN L191 SmtUtils]: Spent 7.31 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 12:18:29,329 WARN L191 SmtUtils]: Spent 7.25 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 12:18:50,596 WARN L191 SmtUtils]: Spent 21.18 s on a formula simplification. DAG size of input: 470 DAG size of output: 467 [2019-09-18 12:19:01,402 WARN L191 SmtUtils]: Spent 10.80 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 12:19:22,882 WARN L191 SmtUtils]: Spent 21.41 s on a formula simplification. DAG size of input: 472 DAG size of output: 465 [2019-09-18 12:19:33,474 WARN L191 SmtUtils]: Spent 10.59 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 12:19:55,712 WARN L191 SmtUtils]: Spent 22.20 s on a formula simplification. DAG size of input: 481 DAG size of output: 460 [2019-09-18 12:20:02,942 WARN L191 SmtUtils]: Spent 7.23 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 12:20:25,142 WARN L191 SmtUtils]: Spent 22.20 s on a formula simplification. DAG size of input: 481 DAG size of output: 460 [2019-09-18 12:20:32,318 WARN L191 SmtUtils]: Spent 7.17 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 12:20:46,823 WARN L191 SmtUtils]: Spent 14.50 s on a formula simplification. DAG size of input: 464 DAG size of output: 460 [2019-09-18 12:20:54,053 WARN L191 SmtUtils]: Spent 7.23 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 12:20:59,917 WARN L191 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 462 DAG size of output: 450 [2019-09-18 12:21:01,834 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 12:21:12,852 WARN L191 SmtUtils]: Spent 11.00 s on a formula simplification. DAG size of input: 463 DAG size of output: 456 [2019-09-18 12:21:18,370 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 12:21:36,429 WARN L191 SmtUtils]: Spent 17.98 s on a formula simplification. DAG size of input: 464 DAG size of output: 463 [2019-09-18 12:21:45,413 WARN L191 SmtUtils]: Spent 8.98 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 12:22:03,574 WARN L191 SmtUtils]: Spent 18.08 s on a formula simplification. DAG size of input: 465 DAG size of output: 461 [2019-09-18 12:22:12,703 WARN L191 SmtUtils]: Spent 9.13 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 12:22:24,015 WARN L191 SmtUtils]: Spent 11.27 s on a formula simplification. DAG size of input: 478 DAG size of output: 456 [2019-09-18 12:22:29,489 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 12:22:40,716 WARN L191 SmtUtils]: Spent 11.23 s on a formula simplification. DAG size of input: 478 DAG size of output: 456 [2019-09-18 12:22:46,188 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 12:22:57,067 WARN L191 SmtUtils]: Spent 10.88 s on a formula simplification. DAG size of input: 460 DAG size of output: 456 [2019-09-18 12:23:02,428 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 12:23:08,120 WARN L191 SmtUtils]: Spent 5.68 s on a formula simplification. DAG size of input: 458 DAG size of output: 450 [2019-09-18 12:23:09,978 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 12:23:28,092 WARN L191 SmtUtils]: Spent 17.97 s on a formula simplification. DAG size of input: 468 DAG size of output: 467 [2019-09-18 12:23:37,099 WARN L191 SmtUtils]: Spent 9.01 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 12:23:55,027 WARN L191 SmtUtils]: Spent 17.93 s on a formula simplification. DAG size of input: 468 DAG size of output: 467 [2019-09-18 12:24:03,990 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 12:24:21,851 WARN L191 SmtUtils]: Spent 17.86 s on a formula simplification. DAG size of input: 468 DAG size of output: 467 [2019-09-18 12:24:30,780 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 12:24:48,747 WARN L191 SmtUtils]: Spent 17.97 s on a formula simplification. DAG size of input: 468 DAG size of output: 467 [2019-09-18 12:24:57,638 WARN L191 SmtUtils]: Spent 8.89 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 12:25:15,637 WARN L191 SmtUtils]: Spent 18.00 s on a formula simplification. DAG size of input: 468 DAG size of output: 467 [2019-09-18 12:25:24,593 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 12:25:42,501 WARN L191 SmtUtils]: Spent 17.91 s on a formula simplification. DAG size of input: 468 DAG size of output: 467 [2019-09-18 12:25:51,437 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 467