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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 17:35:46,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 17:35:46,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 17:35:46,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 17:35:46,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 17:35:46,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 17:35:46,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 17:35:46,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 17:35:46,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 17:35:46,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 17:35:46,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 17:35:46,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 17:35:46,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 17:35:46,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 17:35:46,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 17:35:46,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 17:35:46,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 17:35:46,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 17:35:46,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 17:35:46,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 17:35:46,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 17:35:46,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 17:35:46,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 17:35:46,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 17:35:46,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 17:35:46,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 17:35:46,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 17:35:46,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 17:35:46,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 17:35:46,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 17:35:46,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 17:35:46,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 17:35:46,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 17:35:46,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 17:35:46,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 17:35:46,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 17:35:46,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 17:35:46,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 17:35:46,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 17:35:46,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 17:35:46,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 17:35:46,829 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 [2019-09-17 17:35:46,843 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 17:35:46,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 17:35:46,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 17:35:46,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 17:35:46,845 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 17:35:46,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 17:35:46,845 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 17:35:46,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 17:35:46,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 17:35:46,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 17:35:46,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 17:35:46,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 17:35:46,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 17:35:46,847 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 17:35:46,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 17:35:46,847 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 17:35:46,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 17:35:46,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 17:35:46,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 17:35:46,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 17:35:46,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 17:35:46,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 17:35:46,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 17:35:46,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 17:35:46,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 17:35:46,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 17:35:46,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 17:35:46,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 17:35:46,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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_DDA [2019-09-17 17:35:46,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 17:35:46,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 17:35:46,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 17:35:46,906 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 17:35:46,907 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 17:35:46,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-09-17 17:35:46,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16656c21/6aa877eec338401cba130190c6aa28f7/FLAG380bb7e46 [2019-09-17 17:35:47,445 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 17:35:47,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-09-17 17:35:47,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16656c21/6aa877eec338401cba130190c6aa28f7/FLAG380bb7e46 [2019-09-17 17:35:47,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16656c21/6aa877eec338401cba130190c6aa28f7 [2019-09-17 17:35:47,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 17:35:47,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 17:35:47,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 17:35:47,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 17:35:47,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 17:35:47,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 05:35:47" (1/1) ... [2019-09-17 17:35:47,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56745d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:35:47, skipping insertion in model container [2019-09-17 17:35:47,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 05:35:47" (1/1) ... [2019-09-17 17:35:47,825 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 17:35:47,876 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 17:35:48,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 17:35:48,347 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 17:35:48,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 17:35:48,528 INFO L192 MainTranslator]: Completed translation [2019-09-17 17:35:48,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:35:48 WrapperNode [2019-09-17 17:35:48,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 17:35:48,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 17:35:48,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 17:35:48,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 17:35:48,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:35:48" (1/1) ... [2019-09-17 17:35:48,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:35:48" (1/1) ... [2019-09-17 17:35:48,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:35:48" (1/1) ... [2019-09-17 17:35:48,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:35:48" (1/1) ... [2019-09-17 17:35:48,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:35:48" (1/1) ... [2019-09-17 17:35:48,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:35:48" (1/1) ... [2019-09-17 17:35:48,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:35:48" (1/1) ... [2019-09-17 17:35:48,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 17:35:48,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 17:35:48,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 17:35:48,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 17:35:48,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:35:48" (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 [2019-09-17 17:35:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 17:35:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 17:35:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 17:35:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-17 17:35:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 17:35:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 17:35:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 17:35:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 17:35:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 17:35:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 17:35:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 17:35:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 17:35:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 17:35:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 17:35:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 17:35:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 17:35:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 17:35:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 17:35:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 17:35:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 17:35:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 17:35:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 17:35:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 17:35:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 17:35:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 17:35:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 17:35:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 17:35:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 17:35:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 17:35:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 17:35:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 17:35:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 17:35:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 17:35:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 17:35:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 17:35:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 17:35:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 17:35:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 17:35:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 17:35:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 17:35:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 17:35:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 17:35:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 17:35:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 17:35:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 17:35:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 17:35:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 17:35:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-17 17:35:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 17:35:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 17:35:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 17:35:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 17:35:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 17:35:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 17:35:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 17:35:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 17:35:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 17:35:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 17:35:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 17:35:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 17:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 17:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 17:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 17:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 17:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 17:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 17:35:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 17:35:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 17:35:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 17:35:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 17:35:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 17:35:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 17:35:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 17:35:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 17:35:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 17:35:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 17:35:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 17:35:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 17:35:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 17:35:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 17:35:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 17:35:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 17:35:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 17:35:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 17:35:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 17:35:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 17:35:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 17:35:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 17:35:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 17:35:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 17:35:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 17:35:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 17:35:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 17:35:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 17:35:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 17:35:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 17:35:50,408 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 17:35:50,409 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 17:35:50,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 05:35:50 BoogieIcfgContainer [2019-09-17 17:35:50,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 17:35:50,411 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 17:35:50,411 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 17:35:50,411 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 17:35:50,412 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 05:35:50" (1/1) ... [2019-09-17 17:35:50,413 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-17 17:35:50,444 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 17:35:50,445 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 17:35:50,458 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 17:35:50,473 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 17:35:50,475 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 17:36:11,991 WARN L191 SmtUtils]: Spent 12.94 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 17:36:13,767 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 17:36:17,658 WARN L191 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 17:36:19,341 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-17 17:36:21,093 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-17 17:36:21,357 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 17:36:25,898 WARN L191 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 490 DAG size of output: 432 [2019-09-17 17:36:25,914 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 438 for LOIs [2019-09-17 17:36:25,990 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 438 for LOIs [2019-09-17 17:36:25,996 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 438 for LOIs [2019-09-17 17:36:37,880 WARN L191 SmtUtils]: Spent 11.75 s on a formula simplification. DAG size of input: 451 DAG size of output: 450 [2019-09-17 17:36:43,762 WARN L191 SmtUtils]: Spent 5.88 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-17 17:36:44,652 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 121 [2019-09-17 17:36:58,537 WARN L191 SmtUtils]: Spent 13.88 s on a formula simplification. DAG size of input: 505 DAG size of output: 469 [2019-09-17 17:37:10,216 WARN L191 SmtUtils]: Spent 11.68 s on a formula simplification. DAG size of input: 451 DAG size of output: 450 [2019-09-17 17:37:16,060 WARN L191 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-17 17:37:16,944 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 121 [2019-09-17 17:37:30,748 WARN L191 SmtUtils]: Spent 13.80 s on a formula simplification. DAG size of input: 505 DAG size of output: 469 [2019-09-17 17:37:43,421 WARN L191 SmtUtils]: Spent 12.59 s on a formula simplification. DAG size of input: 482 DAG size of output: 482 [2019-09-17 17:37:49,708 WARN L191 SmtUtils]: Spent 6.29 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 17:37:50,073 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 17:38:09,739 WARN L191 SmtUtils]: Spent 19.67 s on a formula simplification. DAG size of input: 501 DAG size of output: 479 [2019-09-17 17:38:11,190 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 17 [2019-09-17 17:38:32,478 WARN L191 SmtUtils]: Spent 20.12 s on a formula simplification. DAG size of input: 495 DAG size of output: 486 [2019-09-17 17:38:38,797 WARN L191 SmtUtils]: Spent 6.32 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-17 17:38:39,137 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:38:51,744 WARN L191 SmtUtils]: Spent 12.61 s on a formula simplification. DAG size of input: 504 DAG size of output: 486 [2019-09-17 17:38:58,940 WARN L191 SmtUtils]: Spent 7.15 s on a formula simplification. DAG size of input: 488 DAG size of output: 483 [2019-09-17 17:39:01,314 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-17 17:39:01,725 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:39:09,422 WARN L191 SmtUtils]: Spent 7.70 s on a formula simplification. DAG size of input: 500 DAG size of output: 477 [2019-09-17 17:39:20,946 WARN L191 SmtUtils]: Spent 11.52 s on a formula simplification. DAG size of input: 488 DAG size of output: 486 [2019-09-17 17:39:26,659 WARN L191 SmtUtils]: Spent 5.71 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-17 17:39:26,987 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:39:40,579 WARN L191 SmtUtils]: Spent 13.59 s on a formula simplification. DAG size of input: 505 DAG size of output: 487 [2019-09-17 17:39:52,941 WARN L191 SmtUtils]: Spent 12.36 s on a formula simplification. DAG size of input: 495 DAG size of output: 491 [2019-09-17 17:39:58,989 WARN L191 SmtUtils]: Spent 6.05 s on a formula simplification that was a NOOP. DAG size: 491 [2019-09-17 17:39:59,296 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:40:10,400 WARN L191 SmtUtils]: Spent 11.10 s on a formula simplification. DAG size of input: 510 DAG size of output: 487 [2019-09-17 17:40:18,667 WARN L191 SmtUtils]: Spent 8.25 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-17 17:40:26,869 WARN L191 SmtUtils]: Spent 8.20 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-17 17:40:46,208 WARN L191 SmtUtils]: Spent 19.32 s on a formula simplification. DAG size of input: 518 DAG size of output: 501 [2019-09-17 17:40:46,373 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 17 [2019-09-17 17:40:57,946 WARN L191 SmtUtils]: Spent 11.37 s on a formula simplification. DAG size of input: 502 DAG size of output: 484 [2019-09-17 17:41:00,630 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 17:41:00,976 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:41:05,426 WARN L191 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 500 DAG size of output: 484 [2019-09-17 17:41:10,963 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 17:41:16,348 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 17:41:16,670 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:41:32,869 WARN L191 SmtUtils]: Spent 16.20 s on a formula simplification. DAG size of input: 500 DAG size of output: 479 [2019-09-17 17:41:45,706 WARN L191 SmtUtils]: Spent 12.84 s on a formula simplification. DAG size of input: 487 DAG size of output: 487 [2019-09-17 17:41:52,119 WARN L191 SmtUtils]: Spent 6.41 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-17 17:41:52,442 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:42:04,753 WARN L191 SmtUtils]: Spent 12.31 s on a formula simplification. DAG size of input: 504 DAG size of output: 488 [2019-09-17 17:42:17,595 WARN L191 SmtUtils]: Spent 12.84 s on a formula simplification. DAG size of input: 491 DAG size of output: 491 [2019-09-17 17:42:24,000 WARN L191 SmtUtils]: Spent 6.40 s on a formula simplification that was a NOOP. DAG size: 491 [2019-09-17 17:42:24,310 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:42:38,805 WARN L191 SmtUtils]: Spent 14.49 s on a formula simplification. DAG size of input: 508 DAG size of output: 490 [2019-09-17 17:42:50,193 WARN L191 SmtUtils]: Spent 11.34 s on a formula simplification. DAG size of input: 521 DAG size of output: 507 [2019-09-17 17:42:55,720 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 507 [2019-09-17 17:42:56,013 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-17 17:43:10,480 WARN L191 SmtUtils]: Spent 14.47 s on a formula simplification. DAG size of input: 524 DAG size of output: 491 [2019-09-17 17:43:23,058 WARN L191 SmtUtils]: Spent 12.55 s on a formula simplification. DAG size of input: 482 DAG size of output: 482 [2019-09-17 17:43:29,193 WARN L191 SmtUtils]: Spent 6.13 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 17:43:29,517 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 17:43:49,390 WARN L191 SmtUtils]: Spent 19.87 s on a formula simplification. DAG size of input: 501 DAG size of output: 479 [2019-09-17 17:44:08,997 WARN L191 SmtUtils]: Spent 19.52 s on a formula simplification. DAG size of input: 495 DAG size of output: 486 [2019-09-17 17:44:15,020 WARN L191 SmtUtils]: Spent 6.02 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-17 17:44:15,347 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:44:29,070 WARN L191 SmtUtils]: Spent 13.72 s on a formula simplification. DAG size of input: 504 DAG size of output: 486 [2019-09-17 17:44:35,779 WARN L191 SmtUtils]: Spent 6.67 s on a formula simplification. DAG size of input: 488 DAG size of output: 483 [2019-09-17 17:44:37,971 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-17 17:44:38,297 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:44:45,903 WARN L191 SmtUtils]: Spent 7.60 s on a formula simplification. DAG size of input: 500 DAG size of output: 477 [2019-09-17 17:44:57,177 WARN L191 SmtUtils]: Spent 11.27 s on a formula simplification. DAG size of input: 488 DAG size of output: 486 [2019-09-17 17:45:02,775 WARN L191 SmtUtils]: Spent 5.60 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-17 17:45:03,099 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:45:14,957 WARN L191 SmtUtils]: Spent 11.86 s on a formula simplification. DAG size of input: 505 DAG size of output: 487 [2019-09-17 17:45:26,715 WARN L191 SmtUtils]: Spent 11.76 s on a formula simplification. DAG size of input: 495 DAG size of output: 491 [2019-09-17 17:45:32,567 WARN L191 SmtUtils]: Spent 5.85 s on a formula simplification that was a NOOP. DAG size: 491 [2019-09-17 17:45:32,879 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:45:53,699 WARN L191 SmtUtils]: Spent 20.82 s on a formula simplification. DAG size of input: 510 DAG size of output: 488 [2019-09-17 17:46:02,716 WARN L191 SmtUtils]: Spent 8.99 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-17 17:46:11,557 WARN L191 SmtUtils]: Spent 8.84 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-17 17:46:30,612 WARN L191 SmtUtils]: Spent 19.04 s on a formula simplification. DAG size of input: 518 DAG size of output: 499 [2019-09-17 17:46:44,412 WARN L191 SmtUtils]: Spent 13.72 s on a formula simplification. DAG size of input: 501 DAG size of output: 482 [2019-09-17 17:46:46,537 WARN L191 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 17:46:46,891 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:46:52,008 WARN L191 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 499 DAG size of output: 481 [2019-09-17 17:46:54,449 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 17:46:56,906 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 17:46:57,220 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:47:04,676 WARN L191 SmtUtils]: Spent 7.45 s on a formula simplification. DAG size of input: 500 DAG size of output: 477 [2019-09-17 17:47:18,914 WARN L191 SmtUtils]: Spent 14.24 s on a formula simplification. DAG size of input: 485 DAG size of output: 485 [2019-09-17 17:47:25,907 WARN L191 SmtUtils]: Spent 6.99 s on a formula simplification that was a NOOP. DAG size: 485 [2019-09-17 17:47:26,226 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:47:40,472 WARN L191 SmtUtils]: Spent 14.24 s on a formula simplification. DAG size of input: 504 DAG size of output: 486 [2019-09-17 17:47:54,721 WARN L191 SmtUtils]: Spent 14.25 s on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2019-09-17 17:48:01,826 WARN L191 SmtUtils]: Spent 7.10 s on a formula simplification that was a NOOP. DAG size: 489 [2019-09-17 17:48:02,147 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 17:48:23,334 WARN L191 SmtUtils]: Spent 21.19 s on a formula simplification. DAG size of input: 508 DAG size of output: 486 [2019-09-17 17:48:26,659 WARN L191 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 493 DAG size of output: 1 [2019-09-17 17:48:26,668 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 17:48:26,670 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 465 for LOIs [2019-09-17 17:48:34,705 WARN L191 SmtUtils]: Spent 7.97 s on a formula simplification. DAG size of input: 469 DAG size of output: 453 [2019-09-17 17:48:37,002 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-17 17:48:37,238 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 17:48:43,344 WARN L191 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 470 DAG size of output: 454 [2019-09-17 17:48:51,437 WARN L191 SmtUtils]: Spent 8.09 s on a formula simplification. DAG size of input: 469 DAG size of output: 453 [2019-09-17 17:48:53,752 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-17 17:48:53,976 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 17:48:59,996 WARN L191 SmtUtils]: Spent 6.02 s on a formula simplification. DAG size of input: 470 DAG size of output: 454 [2019-09-17 17:49:10,984 WARN L191 SmtUtils]: Spent 10.98 s on a formula simplification. DAG size of input: 463 DAG size of output: 451