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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:51:24,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:51:24,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:51:24,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:51:24,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:51:24,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:51:24,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:51:24,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:51:24,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:51:24,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:51:24,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:51:24,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:51:24,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:51:24,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:51:24,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:51:24,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:51:24,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:51:24,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:51:24,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:51:24,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:51:24,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:51:24,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:51:24,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:51:24,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:51:24,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:51:24,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:51:24,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:51:24,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:51:24,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:51:24,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:51:24,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:51:24,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:51:24,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:51:24,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:51:24,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:51:24,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:51:24,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:51:24,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:51:24,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:51:24,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:51:24,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:51:24,191 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 [2019-09-20 15:51:24,211 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:51:24,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:51:24,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:51:24,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:51:24,213 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:51:24,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:51:24,214 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:51:24,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:51:24,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:51:24,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:51:24,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:51:24,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:51:24,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:51:24,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:51:24,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:51:24,216 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:51:24,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:51:24,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:51:24,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:51:24,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:51:24,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:51:24,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:51:24,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:51:24,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:51:24,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:51:24,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:51:24,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:51:24,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:51:24,218 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 -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:51:24,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:51:24,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:51:24,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:51:24,268 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:51:24,268 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:51:24,269 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2019-09-20 15:51:24,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a01d194/3b5f18850d304976b38b774a4f506bfb/FLAGd8e290354 [2019-09-20 15:51:24,853 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:51:24,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2019-09-20 15:51:24,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a01d194/3b5f18850d304976b38b774a4f506bfb/FLAGd8e290354 [2019-09-20 15:51:25,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a01d194/3b5f18850d304976b38b774a4f506bfb [2019-09-20 15:51:25,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:51:25,200 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:51:25,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:25,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:51:25,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:51:25,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:25" (1/1) ... [2019-09-20 15:51:25,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32bdc31c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:25, skipping insertion in model container [2019-09-20 15:51:25,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:25" (1/1) ... [2019-09-20 15:51:25,215 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:51:25,272 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:51:25,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:25,720 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:51:25,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:25,858 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:51:25,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:25 WrapperNode [2019-09-20 15:51:25,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:25,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:51:25,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:51:25,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:51:25,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:25" (1/1) ... [2019-09-20 15:51:25,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:25" (1/1) ... [2019-09-20 15:51:25,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:25" (1/1) ... [2019-09-20 15:51:25,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:25" (1/1) ... [2019-09-20 15:51:25,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:25" (1/1) ... [2019-09-20 15:51:25,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:25" (1/1) ... [2019-09-20 15:51:25,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:25" (1/1) ... [2019-09-20 15:51:25,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:51:25,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:51:25,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:51:25,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:51:25,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:25" (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 [2019-09-20 15:51:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:51:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:51:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:51:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:51:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:51:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:51:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:51:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:51:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:51:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:51:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:51:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:51:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:51:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:51:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:51:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:51:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-20 15:51:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:51:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:51:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:51:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:51:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:51:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:51:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:51:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:51:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:51:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:51:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:51:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:51:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:51:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:51:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:51:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:51:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:51:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:51:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:51:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:51:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:51:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:51:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:51:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:51:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:51:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:51:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:51:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:51:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:51:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:51:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:51:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:51:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:51:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:51:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:51:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:51:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:51:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:51:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:51:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:51:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:51:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:51:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:51:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:51:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:51:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:51:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-20 15:51:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:51:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:51:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:51:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:51:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:51:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:51:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:51:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:51:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:51:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:51:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:51:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:51:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:51:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:51:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:51:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:51:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:51:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:51:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:51:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:51:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:51:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:51:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:51:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:51:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:51:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:51:27,587 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:51:27,588 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:51:27,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:27 BoogieIcfgContainer [2019-09-20 15:51:27,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:51:27,590 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:51:27,591 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:51:27,591 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:51:27,593 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:27" (1/1) ... [2019-09-20 15:51:27,593 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:51:27,626 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:51:27,629 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:51:27,646 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:51:27,659 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:51:27,661 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:51:37,881 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:51:39,553 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:51:39,700 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:51:39,824 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:51:39,943 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:51:39,959 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:51:40,010 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:51:40,016 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:51:40,587 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:51:40,935 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:51:41,421 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 500 [2019-09-20 15:51:41,532 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:51:41,840 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:51:42,115 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:51:42,523 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:51:42,825 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:51:43,095 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 505 [2019-09-20 15:51:43,198 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 501 [2019-09-20 15:51:43,685 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:44,022 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:44,330 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:44,596 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:44,829 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:45,058 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:45,299 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:45,551 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:45,763 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:45,995 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:46,215 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:46,427 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:46,677 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:46,919 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:47,134 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:47,405 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:47,619 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:47,857 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:48,099 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:48,312 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:48,537 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:48,749 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:48,970 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:49,182 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:49,396 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:49,630 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:49,851 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:50,063 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:50,293 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:50,508 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:50,721 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:50,946 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:51,158 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:51,393 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:51,607 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:51,819 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:52,030 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:52,243 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:52,456 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:52,667 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:52,879 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:53,089 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:53,308 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-20 15:51:53,538 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-20 15:51:53,813 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 510 [2019-09-20 15:51:53,971 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 506 [2019-09-20 15:51:54,126 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2019-09-20 15:51:54,421 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-20 15:51:54,681 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2019-09-20 15:51:55,113 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:51:55,539 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:51:56,115 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:51:56,355 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-20 15:51:56,507 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:56,746 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-20 15:51:57,059 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-20 15:51:57,208 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-20 15:51:57,533 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 510 [2019-09-20 15:51:57,694 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 506 [2019-09-20 15:51:57,835 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2019-09-20 15:51:58,037 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-20 15:51:58,320 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2019-09-20 15:51:58,547 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:51:58,718 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:51:59,064 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:51:59,320 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-20 15:51:59,471 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:59,663 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-20 15:51:59,871 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-20 15:52:00,101 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 510 [2019-09-20 15:52:00,259 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 506 [2019-09-20 15:52:00,408 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2019-09-20 15:52:00,596 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-20 15:52:00,808 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2019-09-20 15:52:01,036 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:52:01,195 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:52:01,535 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:52:01,769 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-20 15:52:01,924 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:52:02,116 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-20 15:52:02,535 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 510 [2019-09-20 15:52:02,693 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 506 [2019-09-20 15:52:02,828 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2019-09-20 15:52:03,024 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-20 15:52:03,271 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2019-09-20 15:52:03,496 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:52:03,655 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:52:03,990 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:52:04,196 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-20 15:52:04,347 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:52:04,512 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-20 15:52:04,926 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 510 [2019-09-20 15:52:05,087 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 506 [2019-09-20 15:52:05,220 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2019-09-20 15:52:05,409 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-20 15:52:05,636 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2019-09-20 15:52:05,862 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 510