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_spec4_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 13:40:54,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 13:40:54,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 13:40:54,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 13:40:54,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 13:40:54,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 13:40:54,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 13:40:54,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 13:40:54,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 13:40:54,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 13:40:54,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 13:40:54,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 13:40:54,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 13:40:54,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 13:40:54,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 13:40:54,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 13:40:54,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 13:40:54,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 13:40:54,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 13:40:54,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 13:40:54,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 13:40:54,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 13:40:54,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 13:40:54,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 13:40:54,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 13:40:54,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 13:40:54,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 13:40:54,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 13:40:54,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 13:40:54,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 13:40:54,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 13:40:54,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 13:40:54,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 13:40:54,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 13:40:54,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 13:40:54,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 13:40:54,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 13:40:54,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 13:40:54,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 13:40:54,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 13:40:54,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 13:40:54,153 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 13:40:54,171 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 13:40:54,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 13:40:54,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 13:40:54,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 13:40:54,173 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 13:40:54,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 13:40:54,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 13:40:54,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 13:40:54,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 13:40:54,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 13:40:54,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 13:40:54,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 13:40:54,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 13:40:54,178 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 13:40:54,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 13:40:54,178 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 13:40:54,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 13:40:54,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 13:40:54,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 13:40:54,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 13:40:54,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 13:40:54,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 13:40:54,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 13:40:54,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 13:40:54,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 13:40:54,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 13:40:54,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 13:40:54,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 13:40:54,182 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 13:40:54,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 13:40:54,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 13:40:54,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 13:40:54,263 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 13:40:54,263 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 13:40:54,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2019-09-18 13:40:54,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cdf366bd/d3740820640e4b5cb87080ca02598c96/FLAGa839a7cfb [2019-09-18 13:40:54,831 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 13:40:54,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2019-09-18 13:40:54,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cdf366bd/d3740820640e4b5cb87080ca02598c96/FLAGa839a7cfb [2019-09-18 13:40:55,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cdf366bd/d3740820640e4b5cb87080ca02598c96 [2019-09-18 13:40:55,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 13:40:55,171 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 13:40:55,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 13:40:55,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 13:40:55,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 13:40:55,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:40:55" (1/1) ... [2019-09-18 13:40:55,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f315885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:40:55, skipping insertion in model container [2019-09-18 13:40:55,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:40:55" (1/1) ... [2019-09-18 13:40:55,187 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 13:40:55,247 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 13:40:55,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:40:55,687 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 13:40:55,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:40:55,852 INFO L192 MainTranslator]: Completed translation [2019-09-18 13:40:55,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:40:55 WrapperNode [2019-09-18 13:40:55,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 13:40:55,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 13:40:55,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 13:40:55,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 13:40:55,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:40:55" (1/1) ... [2019-09-18 13:40:55,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:40:55" (1/1) ... [2019-09-18 13:40:55,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:40:55" (1/1) ... [2019-09-18 13:40:55,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:40:55" (1/1) ... [2019-09-18 13:40:55,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:40:55" (1/1) ... [2019-09-18 13:40:55,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:40:55" (1/1) ... [2019-09-18 13:40:55,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:40:55" (1/1) ... [2019-09-18 13:40:55,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 13:40:55,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 13:40:55,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 13:40:55,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 13:40:55,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:40:55" (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 13:40:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 13:40:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 13:40:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 13:40:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 13:40:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 13:40:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 13:40:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 13:40:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 13:40:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 13:40:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 13:40:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 13:40:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 13:40:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 13:40:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 13:40:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 13:40:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 13:40:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 13:40:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 13:40:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 13:40:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 13:40:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 13:40:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 13:40:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 13:40:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 13:40:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 13:40:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 13:40:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 13:40:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 13:40:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 13:40:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 13:40:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 13:40:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 13:40:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 13:40:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 13:40:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 13:40:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 13:40:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 13:40:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 13:40:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 13:40:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 13:40:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 13:40:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 13:40:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 13:40:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 13:40:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 13:40:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 13:40:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 13:40:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 13:40:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 13:40:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 13:40:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 13:40:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 13:40:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 13:40:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 13:40:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 13:40:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 13:40:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 13:40:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 13:40:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 13:40:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 13:40:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 13:40:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 13:40:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 13:40:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 13:40:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 13:40:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 13:40:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 13:40:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 13:40:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 13:40:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 13:40:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 13:40:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 13:40:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 13:40:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 13:40:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 13:40:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 13:40:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 13:40:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 13:40:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 13:40:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 13:40:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 13:40:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 13:40:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 13:40:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 13:40:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 13:40:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 13:40:57,460 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 13:40:57,461 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 13:40:57,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:40:57 BoogieIcfgContainer [2019-09-18 13:40:57,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 13:40:57,465 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 13:40:57,465 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 13:40:57,465 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 13:40:57,467 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:40:57" (1/1) ... [2019-09-18 13:40:57,467 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 13:40:57,499 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 13:40:57,499 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 13:40:57,514 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 13:40:57,523 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 13:40:57,524 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 13:40:58,264 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-18 13:40:58,485 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-18 13:40:58,881 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2019-09-18 13:40:59,186 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2019-09-18 13:40:59,706 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-18 13:41:00,087 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-09-18 13:41:00,752 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 147 [2019-09-18 13:41:01,300 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 144 [2019-09-18 13:41:01,989 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 157 [2019-09-18 13:41:02,602 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 154 [2019-09-18 13:41:03,639 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 175 [2019-09-18 13:41:04,401 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 170 [2019-09-18 13:41:05,335 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 196 [2019-09-18 13:41:06,271 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 193 [2019-09-18 13:41:07,982 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 281 DAG size of output: 229 [2019-09-18 13:41:09,193 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 266 DAG size of output: 228 [2019-09-18 13:41:11,316 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 307 DAG size of output: 248 [2019-09-18 13:41:12,641 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 284 DAG size of output: 245 [2019-09-18 13:41:15,241 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 338 DAG size of output: 270 [2019-09-18 13:41:15,452 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 13:41:16,916 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 309 DAG size of output: 271 [2019-09-18 13:41:17,329 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 13:41:19,938 WARN L191 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 343 DAG size of output: 288 [2019-09-18 13:41:21,662 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 330 DAG size of output: 285 [2019-09-18 13:41:22,219 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 13:41:25,382 WARN L191 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 385 DAG size of output: 308 [2019-09-18 13:41:27,260 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 341 DAG size of output: 303 [2019-09-18 13:41:27,985 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 13:41:31,574 WARN L191 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 437 DAG size of output: 317 [2019-09-18 13:41:33,620 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 364 DAG size of output: 312 [2019-09-18 13:41:34,188 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-18 13:41:36,984 WARN L191 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 494 DAG size of output: 326 [2019-09-18 13:41:39,168 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 378 DAG size of output: 321 [2019-09-18 13:41:40,596 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-09-18 13:41:45,837 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification. DAG size of input: 568 DAG size of output: 334 [2019-09-18 13:41:46,132 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 13:41:48,240 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 393 DAG size of output: 331 [2019-09-18 13:41:49,238 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-09-18 13:41:53,196 WARN L191 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 606 DAG size of output: 344 [2019-09-18 13:41:53,529 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 13:41:55,785 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 405 DAG size of output: 341 [2019-09-18 13:41:58,065 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-18 13:42:05,451 WARN L191 SmtUtils]: Spent 7.37 s on a formula simplification. DAG size of input: 632 DAG size of output: 354 [2019-09-18 13:42:05,788 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 13:42:08,239 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 411 DAG size of output: 351 [2019-09-18 13:42:09,758 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 13:42:15,586 WARN L191 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 738 DAG size of output: 364 [2019-09-18 13:42:15,987 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 13:42:18,612 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 436 DAG size of output: 363 [2019-09-18 13:42:20,513 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 557 [2019-09-18 13:42:27,269 WARN L191 SmtUtils]: Spent 6.74 s on a formula simplification. DAG size of input: 814 DAG size of output: 376 [2019-09-18 13:42:27,715 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 13:42:30,667 WARN L191 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 445 DAG size of output: 375 [2019-09-18 13:42:34,748 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 631 [2019-09-18 13:42:47,372 WARN L191 SmtUtils]: Spent 12.60 s on a formula simplification. DAG size of input: 898 DAG size of output: 389 [2019-09-18 13:42:47,812 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 13:42:50,755 WARN L191 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 458 DAG size of output: 384 [2019-09-18 13:42:55,590 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 717 [2019-09-18 13:43:10,637 WARN L191 SmtUtils]: Spent 15.03 s on a formula simplification. DAG size of input: 984 DAG size of output: 397 [2019-09-18 13:43:11,164 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 13:43:14,608 WARN L191 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 483 DAG size of output: 398 [2019-09-18 13:43:20,464 WARN L191 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 795 [2019-09-18 13:43:37,139 WARN L191 SmtUtils]: Spent 16.65 s on a formula simplification. DAG size of input: 963 DAG size of output: 411 [2019-09-18 13:43:37,723 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 13:43:41,439 WARN L191 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 501 DAG size of output: 412 [2019-09-18 13:43:48,316 WARN L191 SmtUtils]: Spent 3.33 s on a formula simplification that was a NOOP. DAG size: 877 [2019-09-18 13:44:08,638 WARN L191 SmtUtils]: Spent 20.28 s on a formula simplification. DAG size of input: 1163 DAG size of output: 425 [2019-09-18 13:44:09,198 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 13:44:12,893 WARN L191 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 496 DAG size of output: 422 [2019-09-18 13:44:14,684 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 13:44:16,523 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 13:44:16,539 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 13:44:16,597 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 13:44:16,602 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 13:44:27,525 WARN L191 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:44:32,773 WARN L191 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:44:43,397 WARN L191 SmtUtils]: Spent 10.62 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:44:48,614 WARN L191 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:44:59,235 WARN L191 SmtUtils]: Spent 10.62 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:45:04,490 WARN L191 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:45:15,088 WARN L191 SmtUtils]: Spent 10.60 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:45:20,327 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:45:30,985 WARN L191 SmtUtils]: Spent 10.66 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:45:36,255 WARN L191 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:45:46,836 WARN L191 SmtUtils]: Spent 10.58 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:45:52,112 WARN L191 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:46:02,675 WARN L191 SmtUtils]: Spent 10.56 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:46:07,944 WARN L191 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:46:18,576 WARN L191 SmtUtils]: Spent 10.63 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:46:23,884 WARN L191 SmtUtils]: Spent 5.31 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:46:34,526 WARN L191 SmtUtils]: Spent 10.64 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:46:39,782 WARN L191 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:46:57,958 WARN L191 SmtUtils]: Spent 17.75 s on a formula simplification. DAG size of input: 465 DAG size of output: 459 [2019-09-18 13:47:06,721 WARN L191 SmtUtils]: Spent 8.76 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 13:47:22,067 WARN L191 SmtUtils]: Spent 15.29 s on a formula simplification. DAG size of input: 471 DAG size of output: 467 [2019-09-18 13:47:29,440 WARN L191 SmtUtils]: Spent 7.37 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 13:47:44,144 WARN L191 SmtUtils]: Spent 14.70 s on a formula simplification. DAG size of input: 471 DAG size of output: 467 [2019-09-18 13:47:51,449 WARN L191 SmtUtils]: Spent 7.30 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 13:48:09,865 WARN L191 SmtUtils]: Spent 18.40 s on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2019-09-18 13:48:19,037 WARN L191 SmtUtils]: Spent 9.17 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 13:48:28,196 WARN L191 SmtUtils]: Spent 9.15 s on a formula simplification that was a NOOP. DAG size: 478 [2019-09-18 13:48:37,410 WARN L191 SmtUtils]: Spent 9.21 s on a formula simplification that was a NOOP. DAG size: 478 [2019-09-18 13:49:02,628 WARN L191 SmtUtils]: Spent 25.17 s on a formula simplification. DAG size of input: 484 DAG size of output: 482 [2019-09-18 13:49:15,250 WARN L191 SmtUtils]: Spent 12.62 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-18 13:49:40,397 WARN L191 SmtUtils]: Spent 24.98 s on a formula simplification. DAG size of input: 500 DAG size of output: 476 [2019-09-18 13:49:52,584 WARN L191 SmtUtils]: Spent 12.19 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 13:50:07,266 WARN L191 SmtUtils]: Spent 14.63 s on a formula simplification. DAG size of input: 474 DAG size of output: 467 [2019-09-18 13:50:14,435 WARN L191 SmtUtils]: Spent 7.17 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 13:50:29,440 WARN L191 SmtUtils]: Spent 15.00 s on a formula simplification. DAG size of input: 474 DAG size of output: 467 [2019-09-18 13:50:36,681 WARN L191 SmtUtils]: Spent 7.24 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 13:50:58,799 WARN L191 SmtUtils]: Spent 22.10 s on a formula simplification. DAG size of input: 477 DAG size of output: 476 [2019-09-18 13:51:09,864 WARN L191 SmtUtils]: Spent 11.06 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 13:51:19,106 WARN L191 SmtUtils]: Spent 9.23 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 13:51:28,286 WARN L191 SmtUtils]: Spent 9.18 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 13:51:53,731 WARN L191 SmtUtils]: Spent 25.42 s on a formula simplification. DAG size of input: 492 DAG size of output: 479 [2019-09-18 13:52:06,243 WARN L191 SmtUtils]: Spent 12.51 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 13:52:31,581 WARN L191 SmtUtils]: Spent 25.19 s on a formula simplification. DAG size of input: 495 DAG size of output: 473 [2019-09-18 13:52:43,922 WARN L191 SmtUtils]: Spent 12.34 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-18 13:52:58,738 WARN L191 SmtUtils]: Spent 14.77 s on a formula simplification. DAG size of input: 474 DAG size of output: 467 [2019-09-18 13:53:06,051 WARN L191 SmtUtils]: Spent 7.31 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 13:53:20,838 WARN L191 SmtUtils]: Spent 14.79 s on a formula simplification. DAG size of input: 474 DAG size of output: 467 [2019-09-18 13:53:28,176 WARN L191 SmtUtils]: Spent 7.34 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 13:53:50,317 WARN L191 SmtUtils]: Spent 22.12 s on a formula simplification. DAG size of input: 477 DAG size of output: 476 [2019-09-18 13:54:01,248 WARN L191 SmtUtils]: Spent 10.93 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 13:54:10,356 WARN L191 SmtUtils]: Spent 9.10 s on a formula simplification that was a NOOP. DAG size: 475