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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 08:17:22,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 08:17:22,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 08:17:22,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 08:17:22,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 08:17:22,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 08:17:22,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 08:17:22,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 08:17:22,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 08:17:22,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 08:17:22,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 08:17:22,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 08:17:22,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 08:17:22,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 08:17:22,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 08:17:22,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 08:17:22,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 08:17:22,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 08:17:22,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 08:17:22,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 08:17:22,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 08:17:22,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 08:17:22,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 08:17:22,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 08:17:22,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 08:17:22,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 08:17:22,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 08:17:22,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 08:17:22,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 08:17:22,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 08:17:22,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 08:17:22,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 08:17:22,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 08:17:22,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 08:17:22,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 08:17:22,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 08:17:22,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 08:17:22,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 08:17:22,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 08:17:22,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 08:17:22,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 08:17:22,872 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 [2019-09-19 08:17:22,886 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 08:17:22,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 08:17:22,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 08:17:22,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 08:17:22,888 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 08:17:22,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 08:17:22,888 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 08:17:22,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 08:17:22,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 08:17:22,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 08:17:22,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 08:17:22,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 08:17:22,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 08:17:22,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 08:17:22,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 08:17:22,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 08:17:22,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 08:17:22,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 08:17:22,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 08:17:22,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 08:17:22,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 08:17:22,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 08:17:22,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 08:17:22,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 08:17:22,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 08:17:22,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 08:17:22,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 08:17:22,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 08:17:22,893 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 -> InterpretCallSummarizer 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 [2019-09-19 08:17:22,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 08:17:22,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 08:17:22,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 08:17:22,956 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 08:17:22,956 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 08:17:22,957 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-09-19 08:17:23,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f07bee06/ecf3967c0e0d49f2bbc3405b5ba5a718/FLAG8077b03cf [2019-09-19 08:17:23,600 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 08:17:23,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-09-19 08:17:23,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f07bee06/ecf3967c0e0d49f2bbc3405b5ba5a718/FLAG8077b03cf [2019-09-19 08:17:23,895 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f07bee06/ecf3967c0e0d49f2bbc3405b5ba5a718 [2019-09-19 08:17:23,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 08:17:23,907 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 08:17:23,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 08:17:23,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 08:17:23,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 08:17:23,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:17:23" (1/1) ... [2019-09-19 08:17:23,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbefcd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:17:23, skipping insertion in model container [2019-09-19 08:17:23,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:17:23" (1/1) ... [2019-09-19 08:17:23,924 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 08:17:23,980 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 08:17:24,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 08:17:24,413 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 08:17:24,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 08:17:24,623 INFO L192 MainTranslator]: Completed translation [2019-09-19 08:17:24,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:17:24 WrapperNode [2019-09-19 08:17:24,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 08:17:24,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 08:17:24,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 08:17:24,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 08:17:24,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:17:24" (1/1) ... [2019-09-19 08:17:24,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:17:24" (1/1) ... [2019-09-19 08:17:24,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:17:24" (1/1) ... [2019-09-19 08:17:24,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:17:24" (1/1) ... [2019-09-19 08:17:24,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:17:24" (1/1) ... [2019-09-19 08:17:24,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:17:24" (1/1) ... [2019-09-19 08:17:24,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:17:24" (1/1) ... [2019-09-19 08:17:24,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 08:17:24,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 08:17:24,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 08:17:24,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 08:17:24,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:17:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 08:17:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 08:17:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 08:17:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 08:17:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 08:17:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 08:17:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 08:17:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 08:17:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 08:17:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 08:17:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 08:17:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 08:17:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 08:17:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 08:17:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 08:17:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-19 08:17:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 08:17:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-19 08:17:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 08:17:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 08:17:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 08:17:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 08:17:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 08:17:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 08:17:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 08:17:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 08:17:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 08:17:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 08:17:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 08:17:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 08:17:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 08:17:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 08:17:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 08:17:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 08:17:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 08:17:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 08:17:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-19 08:17:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 08:17:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 08:17:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 08:17:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 08:17:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 08:17:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 08:17:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 08:17:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 08:17:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 08:17:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 08:17:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 08:17:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 08:17:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 08:17:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 08:17:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 08:17:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 08:17:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 08:17:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 08:17:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 08:17:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 08:17:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 08:17:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 08:17:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 08:17:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 08:17:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 08:17:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 08:17:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 08:17:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-19 08:17:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 08:17:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 08:17:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 08:17:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 08:17:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-19 08:17:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 08:17:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 08:17:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 08:17:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 08:17:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 08:17:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 08:17:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 08:17:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 08:17:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 08:17:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 08:17:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 08:17:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 08:17:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 08:17:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 08:17:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 08:17:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 08:17:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 08:17:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 08:17:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 08:17:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 08:17:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 08:17:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 08:17:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-19 08:17:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 08:17:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 08:17:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 08:17:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 08:17:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 08:17:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 08:17:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 08:17:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 08:17:26,326 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 08:17:26,326 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 08:17:26,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:17:26 BoogieIcfgContainer [2019-09-19 08:17:26,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 08:17:26,329 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 08:17:26,329 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 08:17:26,329 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 08:17:26,331 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:17:26" (1/1) ... [2019-09-19 08:17:26,331 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 08:17:26,369 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 08:17:26,369 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 08:17:26,383 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 08:17:26,397 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 08:17:26,399 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 08:17:38,273 WARN L191 SmtUtils]: Spent 11.75 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 08:17:49,434 WARN L191 SmtUtils]: Spent 11.16 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 08:18:11,717 WARN L191 SmtUtils]: Spent 13.08 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 08:18:13,492 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 08:18:17,241 WARN L191 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 08:18:17,250 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 08:18:19,003 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 08:18:20,783 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 08:18:22,610 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 08:18:24,409 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 08:18:26,163 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 08:18:27,926 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 08:18:29,651 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 08:18:31,341 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 08:18:31,349 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 08:18:31,357 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 08:18:35,019 WARN L191 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2019-09-19 08:18:36,768 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 425 [2019-09-19 08:18:47,387 WARN L191 SmtUtils]: Spent 10.59 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 08:18:52,588 WARN L191 SmtUtils]: Spent 5.20 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 08:19:03,254 WARN L191 SmtUtils]: Spent 10.66 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 08:19:08,513 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 08:19:19,513 WARN L191 SmtUtils]: Spent 11.00 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 08:19:25,046 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 08:19:36,249 WARN L191 SmtUtils]: Spent 11.20 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 08:19:41,737 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 08:19:52,392 WARN L191 SmtUtils]: Spent 10.61 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-19 08:19:57,728 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 08:20:16,034 WARN L191 SmtUtils]: Spent 18.29 s on a formula simplification. DAG size of input: 465 DAG size of output: 461 [2019-09-19 08:20:23,714 WARN L191 SmtUtils]: Spent 7.68 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 08:20:29,950 WARN L191 SmtUtils]: Spent 6.17 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 08:20:36,035 WARN L191 SmtUtils]: Spent 6.08 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 08:20:37,489 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-19 08:20:50,605 WARN L191 SmtUtils]: Spent 13.11 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-19 08:20:57,107 WARN L191 SmtUtils]: Spent 6.50 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:21:03,590 WARN L191 SmtUtils]: Spent 6.48 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:21:10,146 WARN L191 SmtUtils]: Spent 6.55 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:21:38,469 WARN L191 SmtUtils]: Spent 28.30 s on a formula simplification. DAG size of input: 506 DAG size of output: 495 [2019-09-19 08:21:49,402 WARN L191 SmtUtils]: Spent 10.93 s on a formula simplification that was a NOOP. DAG size: 495 [2019-09-19 08:22:22,523 WARN L191 SmtUtils]: Spent 33.12 s on a formula simplification. DAG size of input: 507 DAG size of output: 507 [2019-09-19 08:22:23,589 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2019-09-19 08:22:23,974 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2019-09-19 08:22:26,283 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 478 DAG size of output: 37 [2019-09-19 08:22:26,793 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2019-09-19 08:22:26,900 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 08:22:27,140 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-19 08:22:28,094 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 08:22:28,486 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2019-09-19 08:22:28,601 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2019-09-19 08:22:29,598 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-19 08:22:30,193 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2019-09-19 08:22:31,062 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-19 08:22:31,573 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-19 08:22:32,110 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-09-19 08:22:42,451 WARN L191 SmtUtils]: Spent 10.24 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-19 08:22:47,608 WARN L191 SmtUtils]: Spent 5.16 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 08:23:05,063 WARN L191 SmtUtils]: Spent 17.44 s on a formula simplification. DAG size of input: 465 DAG size of output: 461 [2019-09-19 08:23:12,614 WARN L191 SmtUtils]: Spent 7.55 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 08:23:18,811 WARN L191 SmtUtils]: Spent 6.14 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 08:23:24,952 WARN L191 SmtUtils]: Spent 6.14 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 08:23:27,210 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-19 08:23:39,501 WARN L191 SmtUtils]: Spent 12.29 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-19 08:23:45,559 WARN L191 SmtUtils]: Spent 6.06 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:23:51,771 WARN L191 SmtUtils]: Spent 6.21 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:23:57,927 WARN L191 SmtUtils]: Spent 6.16 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:24:22,224 WARN L191 SmtUtils]: Spent 24.27 s on a formula simplification. DAG size of input: 508 DAG size of output: 485 [2019-09-19 08:24:30,959 WARN L191 SmtUtils]: Spent 8.73 s on a formula simplification that was a NOOP. DAG size: 485 [2019-09-19 08:24:59,421 WARN L191 SmtUtils]: Spent 28.46 s on a formula simplification. DAG size of input: 497 DAG size of output: 497 [2019-09-19 08:25:00,359 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 08:25:00,749 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2019-09-19 08:25:03,161 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 478 DAG size of output: 37 [2019-09-19 08:25:03,615 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-19 08:25:03,726 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 08:25:03,973 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-19 08:25:04,939 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-19 08:25:05,271 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2019-09-19 08:25:06,483 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-19 08:25:06,584 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-09-19 08:25:06,840 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-19 08:25:07,136 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-09-19 08:25:08,173 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 08:25:08,629 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-19 08:25:08,766 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-19 08:25:09,400 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2019-09-19 08:25:09,637 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-09-19 08:25:10,062 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2019-09-19 08:25:10,683 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 08:25:11,131 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-19 08:25:11,270 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-19 08:25:11,885 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2019-09-19 08:25:22,136 WARN L191 SmtUtils]: Spent 10.21 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-19 08:25:27,234 WARN L191 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 08:25:46,353 WARN L191 SmtUtils]: Spent 19.11 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-19 08:25:54,549 WARN L191 SmtUtils]: Spent 8.20 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 08:26:03,006 WARN L191 SmtUtils]: Spent 8.42 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 08:26:11,389 WARN L191 SmtUtils]: Spent 8.38 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 08:26:13,329 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-19 08:26:30,128 WARN L191 SmtUtils]: Spent 16.80 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-19 08:26:38,523 WARN L191 SmtUtils]: Spent 8.39 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:26:47,070 WARN L191 SmtUtils]: Spent 8.54 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:26:55,469 WARN L191 SmtUtils]: Spent 8.40 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:27:20,104 WARN L191 SmtUtils]: Spent 24.62 s on a formula simplification. DAG size of input: 500 DAG size of output: 486 [2019-09-19 08:27:29,505 WARN L191 SmtUtils]: Spent 9.40 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-19 08:28:02,426 WARN L191 SmtUtils]: Spent 32.92 s on a formula simplification. DAG size of input: 498 DAG size of output: 498 [2019-09-19 08:28:03,373 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-19 08:28:03,708 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2019-09-19 08:28:06,757 WARN L191 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 479 DAG size of output: 37 [2019-09-19 08:28:07,220 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-19 08:28:07,327 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 08:28:07,571 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-19 08:28:08,497 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 35 [2019-09-19 08:28:08,901 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2019-09-19 08:28:20,130 WARN L191 SmtUtils]: Spent 10.27 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-19 08:28:25,254 WARN L191 SmtUtils]: Spent 5.12 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 08:28:43,231 WARN L191 SmtUtils]: Spent 17.97 s on a formula simplification. DAG size of input: 465 DAG size of output: 461 [2019-09-19 08:28:50,958 WARN L191 SmtUtils]: Spent 7.73 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 08:28:57,140 WARN L191 SmtUtils]: Spent 6.13 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 08:29:03,259 WARN L191 SmtUtils]: Spent 6.12 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 08:29:04,646 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-19 08:29:17,804 WARN L191 SmtUtils]: Spent 13.16 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-19 08:29:24,360 WARN L191 SmtUtils]: Spent 6.55 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:29:30,933 WARN L191 SmtUtils]: Spent 6.57 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:29:37,508 WARN L191 SmtUtils]: Spent 6.57 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:30:06,634 WARN L191 SmtUtils]: Spent 29.10 s on a formula simplification. DAG size of input: 514 DAG size of output: 495 [2019-09-19 08:30:17,654 WARN L191 SmtUtils]: Spent 11.02 s on a formula simplification that was a NOOP. DAG size: 495