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_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:34:33,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:34:33,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:34:33,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:34:33,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:34:33,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:34:33,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:34:33,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:34:33,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:34:33,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:34:33,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:34:33,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:34:33,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:34:33,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:34:33,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:34:33,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:34:33,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:34:33,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:34:33,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:34:33,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:34:33,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:34:33,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:34:33,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:34:33,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:34:33,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:34:33,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:34:33,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:34:33,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:34:33,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:34:33,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:34:33,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:34:33,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:34:33,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:34:33,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:34:33,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:34:33,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:34:33,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:34:33,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:34:33,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:34:33,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:34:33,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:34:33,851 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 [2019-09-21 08:34:33,870 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:34:33,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:34:33,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:34:33,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:34:33,873 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:34:33,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:34:33,873 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:34:33,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:34:33,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:34:33,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:34:33,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:34:33,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:34:33,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:34:33,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:34:33,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:34:33,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:34:33,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:34:33,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:34:33,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:34:33,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:34:33,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:34:33,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:34:33,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:34:33,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:34:33,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:34:33,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:34:33,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:34:33,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:34:33,879 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 [2019-09-21 08:34:33,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:34:33,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:34:33,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:34:33,933 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:34:33,933 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:34:33,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product58.cil.c [2019-09-21 08:34:34,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da246087/d1c5f6c03222440f81a8dd863234fe35/FLAG6da273d3c [2019-09-21 08:34:34,529 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:34:34,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product58.cil.c [2019-09-21 08:34:34,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da246087/d1c5f6c03222440f81a8dd863234fe35/FLAG6da273d3c [2019-09-21 08:34:34,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da246087/d1c5f6c03222440f81a8dd863234fe35 [2019-09-21 08:34:34,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:34:34,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:34:34,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:34:34,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:34:34,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:34:34,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:34:34" (1/1) ... [2019-09-21 08:34:34,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2ca7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:34, skipping insertion in model container [2019-09-21 08:34:34,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:34:34" (1/1) ... [2019-09-21 08:34:34,822 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:34:34,889 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:34:35,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:34:35,387 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:34:35,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:34:35,555 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:34:35,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:35 WrapperNode [2019-09-21 08:34:35,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:34:35,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:34:35,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:34:35,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:34:35,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:35" (1/1) ... [2019-09-21 08:34:35,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:35" (1/1) ... [2019-09-21 08:34:35,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:35" (1/1) ... [2019-09-21 08:34:35,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:35" (1/1) ... [2019-09-21 08:34:35,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:35" (1/1) ... [2019-09-21 08:34:35,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:35" (1/1) ... [2019-09-21 08:34:35,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:35" (1/1) ... [2019-09-21 08:34:35,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:34:35,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:34:35,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:34:35,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:34:35,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:35" (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 [2019-09-21 08:34:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:34:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:34:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:34:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:34:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:34:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:34:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:34:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:34:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:34:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:34:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:34:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:34:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:34:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:34:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:34:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:34:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:34:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:34:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:34:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:34:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:34:35,703 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:34:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:34:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:34:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:34:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-21 08:34:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:34:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-21 08:34:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:34:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:34:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:34:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:34:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:34:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:34:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:34:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:34:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:34:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:34:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:34:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-21 08:34:35,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:34:35,707 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:34:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:34:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:34:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:34:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:34:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:34:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:34:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:34:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:34:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:34:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:34:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:34:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:34:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:34:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:34:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:34:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:34:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:34:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:34:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:34:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:34:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:34:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:34:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:34:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:34:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:34:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:34:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:34:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:34:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:34:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:34:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:34:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:34:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:34:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:34:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:34:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:34:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:34:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:34:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:34:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-21 08:34:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:34:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:34:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-21 08:34:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:34:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:34:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:34:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:34:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:34:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-21 08:34:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:34:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:34:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:34:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:34:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:34:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:34:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:34:37,276 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:34:37,276 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:34:37,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:34:37 BoogieIcfgContainer [2019-09-21 08:34:37,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:34:37,279 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:34:37,279 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:34:37,279 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:34:37,281 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:34:37" (1/1) ... [2019-09-21 08:34:37,282 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 [2019-09-21 08:34:37,315 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:34:37,315 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:34:37,329 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:34:37,342 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:34:37,344 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:34:47,891 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:34:49,716 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:34:49,885 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:34:50,017 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:34:50,142 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:34:50,172 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-21 08:34:50,233 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-21 08:34:50,240 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-21 08:34:50,852 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:34:51,169 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:34:51,749 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 500 [2019-09-21 08:34:51,885 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:34:52,217 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-21 08:34:52,482 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-21 08:34:52,879 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:34:53,131 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:34:53,453 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 505 [2019-09-21 08:34:54,099 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:54,362 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:54,656 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:54,897 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:55,122 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:55,387 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:55,622 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:55,885 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:56,105 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:56,338 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:56,589 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:56,820 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:57,059 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:57,317 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:57,539 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:57,782 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:58,029 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:58,251 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:58,470 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:58,720 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:58,939 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:59,169 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:59,390 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:59,614 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:34:59,832 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:00,050 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:00,270 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:00,521 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:00,750 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:00,969 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:01,186 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:01,409 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:01,634 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:01,852 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:02,072 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:02,314 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:02,534 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:02,752 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:02,971 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:03,194 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:03,413 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:03,636 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:03,958 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-21 08:35:04,068 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 510 [2019-09-21 08:35:04,332 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-21 08:35:04,485 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-21 08:35:04,945 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-21 08:35:05,213 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 506 [2019-09-21 08:35:05,378 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 508 [2019-09-21 08:35:05,591 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-21 08:35:05,843 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 508 [2019-09-21 08:35:06,077 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-21 08:35:06,239 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-21 08:35:06,583 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:35:06,816 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-21 08:35:06,978 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:07,200 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-21 08:35:07,409 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-21 08:35:07,647 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-21 08:35:07,808 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 506 [2019-09-21 08:35:07,946 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 508 [2019-09-21 08:35:08,140 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-21 08:35:08,356 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 508 [2019-09-21 08:35:08,589 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-21 08:35:08,752 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-21 08:35:09,105 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:35:09,411 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-21 08:35:09,568 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:09,755 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-21 08:35:09,956 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-21 08:35:10,196 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-21 08:35:10,358 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 506 [2019-09-21 08:35:10,516 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 508 [2019-09-21 08:35:10,721 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-21 08:35:10,943 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 508 [2019-09-21 08:35:11,175 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-21 08:35:11,338 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-21 08:35:11,709 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:35:11,940 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-21 08:35:12,099 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:12,292 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-21 08:35:12,523 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-21 08:35:12,763 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-21 08:35:12,933 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 506 [2019-09-21 08:35:13,091 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 508 [2019-09-21 08:35:13,282 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-21 08:35:13,488 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 508 [2019-09-21 08:35:13,720 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-21 08:35:13,893 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-21 08:35:14,242 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:35:14,468 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-21 08:35:14,625 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:35:14,806 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-21 08:35:15,005 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-21 08:35:15,245 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 511 [2019-09-21 08:35:15,407 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 506 [2019-09-21 08:35:15,546 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 508 [2019-09-21 08:35:15,819 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 502 [2019-09-21 08:35:16,029 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 508 [2019-09-21 08:35:16,269 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-21 08:35:16,432 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-21 08:35:16,776 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 523