java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 14:56:47,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 14:56:47,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 14:56:47,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 14:56:47,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 14:56:47,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 14:56:47,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 14:56:47,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 14:56:47,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 14:56:47,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 14:56:47,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 14:56:47,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 14:56:47,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 14:56:47,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 14:56:47,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 14:56:47,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 14:56:47,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 14:56:47,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 14:56:47,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 14:56:47,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 14:56:47,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 14:56:47,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 14:56:47,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 14:56:47,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 14:56:47,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 14:56:47,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 14:56:47,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 14:56:47,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 14:56:47,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 14:56:47,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 14:56:47,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 14:56:47,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 14:56:47,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 14:56:47,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 14:56:47,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 14:56:47,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 14:56:47,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 14:56:47,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 14:56:47,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 14:56:47,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 14:56:47,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 14:56:47,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 14:56:47,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 14:56:47,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 14:56:47,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 14:56:47,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 14:56:47,220 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 14:56:47,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 14:56:47,220 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 14:56:47,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 14:56:47,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 14:56:47,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 14:56:47,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 14:56:47,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 14:56:47,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 14:56:47,222 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 14:56:47,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 14:56:47,222 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 14:56:47,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 14:56:47,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 14:56:47,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 14:56:47,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 14:56:47,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 14:56:47,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 14:56:47,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 14:56:47,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 14:56:47,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 14:56:47,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 14:56:47,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 14:56:47,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 14:56:47,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 14:56:47,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 14:56:47,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 14:56:47,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 14:56:47,272 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 14:56:47,272 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 14:56:47,273 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2019-09-18 14:56:47,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f90d51716/751e3b2ed3ca4dffaa4759d5159a5455/FLAG73e02990c [2019-09-18 14:56:47,883 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 14:56:47,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2019-09-18 14:56:47,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f90d51716/751e3b2ed3ca4dffaa4759d5159a5455/FLAG73e02990c [2019-09-18 14:56:48,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f90d51716/751e3b2ed3ca4dffaa4759d5159a5455 [2019-09-18 14:56:48,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 14:56:48,151 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 14:56:48,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 14:56:48,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 14:56:48,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 14:56:48,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:56:48" (1/1) ... [2019-09-18 14:56:48,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a93596b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:56:48, skipping insertion in model container [2019-09-18 14:56:48,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:56:48" (1/1) ... [2019-09-18 14:56:48,170 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 14:56:48,241 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 14:56:48,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:56:48,712 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 14:56:48,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:56:48,829 INFO L192 MainTranslator]: Completed translation [2019-09-18 14:56:48,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:56:48 WrapperNode [2019-09-18 14:56:48,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 14:56:48,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 14:56:48,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 14:56:48,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 14:56:48,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:56:48" (1/1) ... [2019-09-18 14:56:48,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:56:48" (1/1) ... [2019-09-18 14:56:48,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:56:48" (1/1) ... [2019-09-18 14:56:48,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:56:48" (1/1) ... [2019-09-18 14:56:48,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:56:48" (1/1) ... [2019-09-18 14:56:48,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:56:48" (1/1) ... [2019-09-18 14:56:48,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:56:48" (1/1) ... [2019-09-18 14:56:48,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 14:56:48,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 14:56:48,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 14:56:48,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 14:56:48,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:56:48" (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 14:56:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 14:56:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 14:56:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 14:56:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 14:56:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 14:56:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 14:56:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 14:56:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 14:56:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 14:56:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 14:56:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 14:56:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 14:56:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 14:56:49,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 14:56:49,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:56:49,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 14:56:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 14:56:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 14:56:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 14:56:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 14:56:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 14:56:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 14:56:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 14:56:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 14:56:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 14:56:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 14:56:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 14:56:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 14:56:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 14:56:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 14:56:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 14:56:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 14:56:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-18 14:56:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-18 14:56:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-18 14:56:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 14:56:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 14:56:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 14:56:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 14:56:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 14:56:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 14:56:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 14:56:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 14:56:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 14:56:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 14:56:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 14:56:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 14:56:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 14:56:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 14:56:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 14:56:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 14:56:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 14:56:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 14:56:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 14:56:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 14:56:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 14:56:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 14:56:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 14:56:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 14:56:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 14:56:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 14:56:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 14:56:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 14:56:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 14:56:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-18 14:56:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-18 14:56:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 14:56:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 14:56:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 14:56:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:56:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 14:56:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 14:56:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 14:56:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 14:56:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 14:56:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 14:56:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 14:56:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 14:56:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 14:56:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 14:56:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 14:56:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 14:56:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 14:56:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 14:56:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 14:56:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 14:56:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 14:56:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 14:56:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 14:56:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 14:56:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-18 14:56:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 14:56:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 14:56:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 14:56:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 14:56:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 14:56:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 14:56:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 14:56:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 14:56:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 14:56:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 14:56:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 14:56:50,302 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 14:56:50,303 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 14:56:50,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:56:50 BoogieIcfgContainer [2019-09-18 14:56:50,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 14:56:50,306 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 14:56:50,306 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 14:56:50,306 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 14:56:50,307 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:56:50" (1/1) ... [2019-09-18 14:56:50,308 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 14:56:50,339 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 14:56:50,343 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 14:56:50,360 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 14:56:50,372 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 14:56:50,374 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 14:56:51,019 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-18 14:56:51,231 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-18 14:56:51,556 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2019-09-18 14:56:51,823 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-18 14:56:52,224 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2019-09-18 14:56:52,585 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2019-09-18 14:56:53,114 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 145 [2019-09-18 14:56:53,637 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 142 [2019-09-18 14:56:54,413 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 155 [2019-09-18 14:56:55,007 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 152 [2019-09-18 14:56:55,984 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 173 [2019-09-18 14:56:56,654 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 168 [2019-09-18 14:56:57,962 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 242 DAG size of output: 194 [2019-09-18 14:56:58,805 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 191 [2019-09-18 14:57:00,514 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 269 DAG size of output: 227 [2019-09-18 14:57:01,646 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 226 [2019-09-18 14:57:03,672 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 301 DAG size of output: 246 [2019-09-18 14:57:05,010 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 275 DAG size of output: 243 [2019-09-18 14:57:07,503 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 329 DAG size of output: 268 [2019-09-18 14:57:07,715 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 14:57:09,097 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 307 DAG size of output: 269 [2019-09-18 14:57:09,516 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 14:57:12,028 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 366 DAG size of output: 286 [2019-09-18 14:57:13,687 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 329 DAG size of output: 283 [2019-09-18 14:57:14,189 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 14:57:17,266 WARN L191 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 381 DAG size of output: 306 [2019-09-18 14:57:19,089 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 351 DAG size of output: 301 [2019-09-18 14:57:19,517 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 14:57:21,820 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 434 DAG size of output: 315 [2019-09-18 14:57:23,787 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 352 DAG size of output: 310 [2019-09-18 14:57:24,836 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-18 14:57:29,012 WARN L191 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 450 DAG size of output: 324 [2019-09-18 14:57:31,098 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 369 DAG size of output: 319 [2019-09-18 14:57:32,466 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-09-18 14:57:37,653 WARN L191 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 572 DAG size of output: 332 [2019-09-18 14:57:37,966 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 14:57:39,979 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 383 DAG size of output: 329 [2019-09-18 14:57:41,749 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-09-18 14:57:47,724 WARN L191 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 580 DAG size of output: 342 [2019-09-18 14:57:48,030 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 14:57:50,228 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 393 DAG size of output: 339 [2019-09-18 14:57:52,418 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-18 14:57:59,289 WARN L191 SmtUtils]: Spent 6.86 s on a formula simplification. DAG size of input: 654 DAG size of output: 352 [2019-09-18 14:57:59,655 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 14:58:01,994 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 409 DAG size of output: 349 [2019-09-18 14:58:04,682 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 14:58:13,150 WARN L191 SmtUtils]: Spent 8.45 s on a formula simplification. DAG size of input: 726 DAG size of output: 362 [2019-09-18 14:58:13,552 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 14:58:16,067 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 432 DAG size of output: 361 [2019-09-18 14:58:19,362 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 557 [2019-09-18 14:58:29,285 WARN L191 SmtUtils]: Spent 9.91 s on a formula simplification. DAG size of input: 812 DAG size of output: 374 [2019-09-18 14:58:29,719 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 14:58:32,465 WARN L191 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 443 DAG size of output: 373 [2019-09-18 14:58:36,383 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 631 [2019-09-18 14:58:48,588 WARN L191 SmtUtils]: Spent 12.19 s on a formula simplification. DAG size of input: 853 DAG size of output: 387 [2019-09-18 14:58:49,000 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 14:58:51,927 WARN L191 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 444 DAG size of output: 382 [2019-09-18 14:58:57,123 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 717 [2019-09-18 14:59:10,728 WARN L191 SmtUtils]: Spent 13.58 s on a formula simplification. DAG size of input: 971 DAG size of output: 395 [2019-09-18 14:59:11,298 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 14:59:14,476 WARN L191 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 472 DAG size of output: 396 [2019-09-18 14:59:19,950 WARN L191 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 795 [2019-09-18 14:59:36,156 WARN L191 SmtUtils]: Spent 16.18 s on a formula simplification. DAG size of input: 1080 DAG size of output: 409 [2019-09-18 14:59:36,715 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 14:59:40,198 WARN L191 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 497 DAG size of output: 410 [2019-09-18 14:59:47,101 WARN L191 SmtUtils]: Spent 3.33 s on a formula simplification that was a NOOP. DAG size: 877 [2019-09-18 15:00:05,785 WARN L191 SmtUtils]: Spent 18.63 s on a formula simplification. DAG size of input: 1107 DAG size of output: 423 [2019-09-18 15:00:06,355 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 15:00:09,978 WARN L191 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 509 DAG size of output: 420 [2019-09-18 15:00:11,666 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 15:00:13,357 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 15:00:13,369 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 15:00:13,434 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 15:00:13,446 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 15:00:24,412 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 15:00:29,779 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 15:00:40,553 WARN L191 SmtUtils]: Spent 10.77 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 15:00:45,845 WARN L191 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 15:00:56,527 WARN L191 SmtUtils]: Spent 10.68 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 15:01:01,895 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 15:01:19,842 WARN L191 SmtUtils]: Spent 17.86 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-18 15:01:28,687 WARN L191 SmtUtils]: Spent 8.84 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 15:01:49,075 WARN L191 SmtUtils]: Spent 18.95 s on a formula simplification. DAG size of input: 473 DAG size of output: 470 [2019-09-18 15:01:58,281 WARN L191 SmtUtils]: Spent 9.20 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-18 15:02:16,650 WARN L191 SmtUtils]: Spent 17.89 s on a formula simplification. DAG size of input: 478 DAG size of output: 477 [2019-09-18 15:02:25,506 WARN L191 SmtUtils]: Spent 8.85 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 15:02:43,397 WARN L191 SmtUtils]: Spent 17.89 s on a formula simplification. DAG size of input: 478 DAG size of output: 477 [2019-09-18 15:02:52,386 WARN L191 SmtUtils]: Spent 8.99 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 15:03:10,325 WARN L191 SmtUtils]: Spent 17.92 s on a formula simplification. DAG size of input: 482 DAG size of output: 477 [2019-09-18 15:03:19,271 WARN L191 SmtUtils]: Spent 8.94 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 15:03:28,196 WARN L191 SmtUtils]: Spent 8.91 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 15:03:37,132 WARN L191 SmtUtils]: Spent 8.94 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 15:03:49,713 WARN L191 SmtUtils]: Spent 12.55 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 15:04:02,667 WARN L191 SmtUtils]: Spent 12.95 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 15:04:35,360 WARN L191 SmtUtils]: Spent 32.63 s on a formula simplification. DAG size of input: 506 DAG size of output: 495 [2019-09-18 15:04:51,608 WARN L191 SmtUtils]: Spent 16.25 s on a formula simplification that was a NOOP. DAG size: 494 [2019-09-18 15:05:17,319 WARN L191 SmtUtils]: Spent 25.54 s on a formula simplification. DAG size of input: 500 DAG size of output: 479 [2019-09-18 15:05:26,387 WARN L191 SmtUtils]: Spent 9.07 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 15:05:44,662 WARN L191 SmtUtils]: Spent 18.22 s on a formula simplification. DAG size of input: 485 DAG size of output: 478 [2019-09-18 15:05:53,861 WARN L191 SmtUtils]: Spent 9.20 s on a formula simplification that was a NOOP. DAG size: 478 [2019-09-18 15:06:12,162 WARN L191 SmtUtils]: Spent 18.30 s on a formula simplification. DAG size of input: 485 DAG size of output: 478 [2019-09-18 15:06:21,344 WARN L191 SmtUtils]: Spent 9.18 s on a formula simplification that was a NOOP. DAG size: 478 [2019-09-18 15:06:39,733 WARN L191 SmtUtils]: Spent 18.37 s on a formula simplification. DAG size of input: 488 DAG size of output: 477 [2019-09-18 15:06:48,823 WARN L191 SmtUtils]: Spent 9.09 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 15:06:57,893 WARN L191 SmtUtils]: Spent 9.06 s on a formula simplification that was a NOOP. DAG size: 478 [2019-09-18 15:07:07,131 WARN L191 SmtUtils]: Spent 9.24 s on a formula simplification that was a NOOP. DAG size: 478 [2019-09-18 15:07:32,759 WARN L191 SmtUtils]: Spent 25.61 s on a formula simplification. DAG size of input: 495 DAG size of output: 489 [2019-09-18 15:07:45,402 WARN L191 SmtUtils]: Spent 12.64 s on a formula simplification that was a NOOP. DAG size: 489 [2019-09-18 15:08:41,312 WARN L191 SmtUtils]: Spent 55.86 s on a formula simplification. DAG size of input: 511 DAG size of output: 497 [2019-09-18 15:08:57,537 WARN L191 SmtUtils]: Spent 16.22 s on a formula simplification that was a NOOP. DAG size: 496 [2019-09-18 15:09:23,152 WARN L191 SmtUtils]: Spent 25.44 s on a formula simplification. DAG size of input: 501 DAG size of output: 479 [2019-09-18 15:09:32,164 WARN L191 SmtUtils]: Spent 9.01 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 15:09:53,878 WARN L191 SmtUtils]: Spent 21.67 s on a formula simplification. DAG size of input: 490 DAG size of output: 475 [2019-09-18 15:10:02,924 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 475