java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 14:07:45,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 14:07:45,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 14:07:45,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 14:07:45,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 14:07:45,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 14:07:45,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 14:07:45,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 14:07:45,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 14:07:45,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 14:07:45,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 14:07:45,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 14:07:45,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 14:07:45,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 14:07:45,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 14:07:45,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 14:07:45,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 14:07:45,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 14:07:45,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 14:07:45,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 14:07:45,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 14:07:45,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 14:07:45,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 14:07:45,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 14:07:45,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 14:07:45,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 14:07:45,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 14:07:45,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 14:07:45,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 14:07:45,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 14:07:45,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 14:07:45,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 14:07:45,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 14:07:45,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 14:07:45,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 14:07:45,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 14:07:45,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 14:07:45,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 14:07:45,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 14:07:45,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 14:07:45,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 14:07:45,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 14:07:45,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 14:07:45,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 14:07:45,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 14:07:45,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 14:07:45,900 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 14:07:45,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 14:07:45,900 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 14:07:45,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 14:07:45,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 14:07:45,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 14:07:45,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 14:07:45,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 14:07:45,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 14:07:45,902 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 14:07:45,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 14:07:45,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 14:07:45,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 14:07:45,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 14:07:45,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 14:07:45,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 14:07:45,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 14:07:45,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 14:07:45,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 14:07:45,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 14:07:45,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 14:07:45,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 14:07:45,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 14:07:45,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 14:07:45,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 14:07:45,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 14:07:45,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 14:07:45,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 14:07:45,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 14:07:45,967 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 14:07:45,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2019-09-18 14:07:46,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526157c1f/d6883e85a72d41dbbac31914f6ac823e/FLAG9f4cf4cc7 [2019-09-18 14:07:46,529 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 14:07:46,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2019-09-18 14:07:46,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526157c1f/d6883e85a72d41dbbac31914f6ac823e/FLAG9f4cf4cc7 [2019-09-18 14:07:46,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526157c1f/d6883e85a72d41dbbac31914f6ac823e [2019-09-18 14:07:46,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 14:07:46,863 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 14:07:46,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 14:07:46,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 14:07:46,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 14:07:46,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:07:46" (1/1) ... [2019-09-18 14:07:46,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3b9ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:07:46, skipping insertion in model container [2019-09-18 14:07:46,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:07:46" (1/1) ... [2019-09-18 14:07:46,879 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 14:07:46,942 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 14:07:47,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:07:47,393 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 14:07:47,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:07:47,552 INFO L192 MainTranslator]: Completed translation [2019-09-18 14:07:47,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:07:47 WrapperNode [2019-09-18 14:07:47,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 14:07:47,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 14:07:47,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 14:07:47,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 14:07:47,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:07:47" (1/1) ... [2019-09-18 14:07:47,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:07:47" (1/1) ... [2019-09-18 14:07:47,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:07:47" (1/1) ... [2019-09-18 14:07:47,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:07:47" (1/1) ... [2019-09-18 14:07:47,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:07:47" (1/1) ... [2019-09-18 14:07:47,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:07:47" (1/1) ... [2019-09-18 14:07:47,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:07:47" (1/1) ... [2019-09-18 14:07:47,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 14:07:47,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 14:07:47,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 14:07:47,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 14:07:47,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:07:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 14:07:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 14:07:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 14:07:47,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 14:07:47,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 14:07:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 14:07:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 14:07:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 14:07:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 14:07:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 14:07:47,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 14:07:47,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 14:07:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 14:07:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 14:07:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 14:07:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 14:07:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 14:07:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 14:07:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 14:07:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 14:07:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 14:07:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 14:07:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 14:07:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 14:07:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 14:07:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 14:07:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 14:07:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 14:07:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 14:07:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 14:07:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 14:07:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:07:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 14:07:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 14:07:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 14:07:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 14:07:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 14:07:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 14:07:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 14:07:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 14:07:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 14:07:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 14:07:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 14:07:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 14:07:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 14:07:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 14:07:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 14:07:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 14:07:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 14:07:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 14:07:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 14:07:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 14:07:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 14:07:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 14:07:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 14:07:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 14:07:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 14:07:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 14:07:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 14:07:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 14:07:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 14:07:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 14:07:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 14:07:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 14:07:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 14:07:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 14:07:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 14:07:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 14:07:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 14:07:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 14:07:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 14:07:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 14:07:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 14:07:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 14:07:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 14:07:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 14:07:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 14:07:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 14:07:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 14:07:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 14:07:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 14:07:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 14:07:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 14:07:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 14:07:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 14:07:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 14:07:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 14:07:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 14:07:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 14:07:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 14:07:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 14:07:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 14:07:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:07:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 14:07:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 14:07:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 14:07:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 14:07:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 14:07:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 14:07:49,088 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 14:07:49,088 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 14:07:49,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:07:49 BoogieIcfgContainer [2019-09-18 14:07:49,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 14:07:49,091 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 14:07:49,091 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 14:07:49,092 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 14:07:49,093 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:07:49" (1/1) ... [2019-09-18 14:07:49,094 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 14:07:49,125 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 14:07:49,126 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 14:07:49,142 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 14:07:49,153 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 14:07:49,154 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 14:07:49,710 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-18 14:07:49,862 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-18 14:07:50,116 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-18 14:07:50,310 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-18 14:07:50,595 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-18 14:07:50,842 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-18 14:07:51,230 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-18 14:07:51,543 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2019-09-18 14:07:52,019 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2019-09-18 14:07:52,437 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 85 [2019-09-18 14:07:53,130 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2019-09-18 14:07:53,656 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2019-09-18 14:07:53,860 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-18 14:07:54,519 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 111 [2019-09-18 14:07:55,035 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 106 [2019-09-18 14:07:55,332 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 14:07:56,238 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 119 [2019-09-18 14:07:56,435 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 14:07:56,964 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 120 [2019-09-18 14:07:57,356 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-18 14:07:58,421 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 243 DAG size of output: 133 [2019-09-18 14:07:58,608 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 14:07:59,277 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 134 [2019-09-18 14:07:59,684 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-18 14:08:00,719 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 291 DAG size of output: 147 [2019-09-18 14:08:01,588 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2019-09-18 14:08:02,096 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2019-09-18 14:08:03,409 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 334 DAG size of output: 162 [2019-09-18 14:08:04,387 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 157 [2019-09-18 14:08:05,218 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-09-18 14:08:07,464 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 399 DAG size of output: 171 [2019-09-18 14:08:08,548 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 166 [2019-09-18 14:08:09,661 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-09-18 14:08:12,707 WARN L191 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 472 DAG size of output: 212 [2019-09-18 14:08:14,003 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 257 DAG size of output: 207 [2019-09-18 14:08:15,392 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-09-18 14:08:19,366 WARN L191 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 543 DAG size of output: 239 [2019-09-18 14:08:20,905 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 280 DAG size of output: 234 [2019-09-18 14:08:22,616 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 14:08:27,140 WARN L191 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 612 DAG size of output: 258 [2019-09-18 14:08:28,863 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 303 DAG size of output: 253 [2019-09-18 14:08:30,982 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-18 14:08:36,846 WARN L191 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 659 DAG size of output: 279 [2019-09-18 14:08:37,150 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 14:08:38,931 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 328 DAG size of output: 276 [2019-09-18 14:08:41,513 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 565 [2019-09-18 14:08:47,834 WARN L191 SmtUtils]: Spent 6.31 s on a formula simplification. DAG size of input: 772 DAG size of output: 289 [2019-09-18 14:08:48,171 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 14:08:50,033 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 344 DAG size of output: 286 [2019-09-18 14:08:53,093 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 623 [2019-09-18 14:09:01,113 WARN L191 SmtUtils]: Spent 8.00 s on a formula simplification. DAG size of input: 792 DAG size of output: 307 [2019-09-18 14:09:01,449 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 14:09:03,488 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 356 DAG size of output: 302 [2019-09-18 14:09:07,342 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 681 [2019-09-18 14:09:16,615 WARN L191 SmtUtils]: Spent 9.25 s on a formula simplification. DAG size of input: 910 DAG size of output: 328 [2019-09-18 14:09:17,012 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 14:09:19,435 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 404 DAG size of output: 325 [2019-09-18 14:09:23,783 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 739 [2019-09-18 14:09:35,441 WARN L191 SmtUtils]: Spent 11.64 s on a formula simplification. DAG size of input: 952 DAG size of output: 361 [2019-09-18 14:09:35,914 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 14:09:38,761 WARN L191 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 426 DAG size of output: 360 [2019-09-18 14:09:43,940 WARN L191 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 797 [2019-09-18 14:09:57,824 WARN L191 SmtUtils]: Spent 13.86 s on a formula simplification. DAG size of input: 1050 DAG size of output: 380 [2019-09-18 14:09:58,311 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 14:10:01,398 WARN L191 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 451 DAG size of output: 377 [2019-09-18 14:10:07,440 WARN L191 SmtUtils]: Spent 3.21 s on a formula simplification that was a NOOP. DAG size: 855 [2019-09-18 14:10:23,094 WARN L191 SmtUtils]: Spent 15.62 s on a formula simplification. DAG size of input: 1104 DAG size of output: 402 [2019-09-18 14:10:23,671 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 14:10:27,221 WARN L191 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 490 DAG size of output: 403 [2019-09-18 14:10:34,093 WARN L191 SmtUtils]: Spent 3.65 s on a formula simplification that was a NOOP. DAG size: 913 [2019-09-18 14:10:53,131 WARN L191 SmtUtils]: Spent 19.00 s on a formula simplification. DAG size of input: 1165 DAG size of output: 420 [2019-09-18 14:10:53,696 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 14:10:57,351 WARN L191 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 504 DAG size of output: 417 [2019-09-18 14:11:00,763 WARN L191 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2019-09-18 14:11:02,450 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 14:11:02,467 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 14:11:02,527 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 14:11:02,531 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 14:11:13,754 WARN L191 SmtUtils]: Spent 11.05 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:11:19,254 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:11:30,314 WARN L191 SmtUtils]: Spent 11.06 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:11:35,832 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:11:46,855 WARN L191 SmtUtils]: Spent 11.02 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:11:52,376 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:12:03,458 WARN L191 SmtUtils]: Spent 11.08 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:12:08,933 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:12:19,895 WARN L191 SmtUtils]: Spent 10.96 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:12:25,382 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:12:36,434 WARN L191 SmtUtils]: Spent 11.05 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:12:41,894 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:13:00,504 WARN L191 SmtUtils]: Spent 18.53 s on a formula simplification. DAG size of input: 457 DAG size of output: 454 [2019-09-18 14:13:09,554 WARN L191 SmtUtils]: Spent 9.05 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 14:13:10,469 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2019-09-18 14:13:10,851 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2019-09-18 14:13:22,861 WARN L191 SmtUtils]: Spent 11.54 s on a formula simplification. DAG size of input: 466 DAG size of output: 465 [2019-09-18 14:13:28,574 WARN L191 SmtUtils]: Spent 5.71 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 14:13:34,224 WARN L191 SmtUtils]: Spent 5.64 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 14:13:39,828 WARN L191 SmtUtils]: Spent 5.60 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 14:13:49,038 WARN L191 SmtUtils]: Spent 9.19 s on a formula simplification that was a NOOP. DAG size: 474 [2019-09-18 14:13:58,249 WARN L191 SmtUtils]: Spent 9.21 s on a formula simplification that was a NOOP. DAG size: 474 [2019-09-18 14:14:23,871 WARN L191 SmtUtils]: Spent 25.56 s on a formula simplification. DAG size of input: 484 DAG size of output: 477 [2019-09-18 14:14:36,692 WARN L191 SmtUtils]: Spent 12.82 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 14:14:48,369 WARN L191 SmtUtils]: Spent 11.41 s on a formula simplification. DAG size of input: 470 DAG size of output: 464 [2019-09-18 14:14:54,089 WARN L191 SmtUtils]: Spent 5.72 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 14:14:59,823 WARN L191 SmtUtils]: Spent 5.73 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 14:15:05,487 WARN L191 SmtUtils]: Spent 5.66 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 14:15:31,107 WARN L191 SmtUtils]: Spent 25.57 s on a formula simplification. DAG size of input: 484 DAG size of output: 477 [2019-09-18 14:15:43,801 WARN L191 SmtUtils]: Spent 12.69 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 14:16:01,354 WARN L191 SmtUtils]: Spent 17.50 s on a formula simplification. DAG size of input: 484 DAG size of output: 465 [2019-09-18 14:16:06,971 WARN L191 SmtUtils]: Spent 5.62 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 14:16:18,266 WARN L191 SmtUtils]: Spent 11.24 s on a formula simplification. DAG size of input: 464 DAG size of output: 463 [2019-09-18 14:16:23,897 WARN L191 SmtUtils]: Spent 5.63 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 14:16:35,104 WARN L191 SmtUtils]: Spent 11.17 s on a formula simplification. DAG size of input: 473 DAG size of output: 464 [2019-09-18 14:16:40,717 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 14:16:52,125 WARN L191 SmtUtils]: Spent 11.33 s on a formula simplification. DAG size of input: 468 DAG size of output: 467 [2019-09-18 14:16:57,827 WARN L191 SmtUtils]: Spent 5.70 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 14:17:03,591 WARN L191 SmtUtils]: Spent 5.76 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-18 14:17:09,308 WARN L191 SmtUtils]: Spent 5.72 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-18 14:17:20,674 WARN L191 SmtUtils]: Spent 11.33 s on a formula simplification. DAG size of input: 475 DAG size of output: 468 [2019-09-18 14:17:26,374 WARN L191 SmtUtils]: Spent 5.70 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 14:17:41,009 WARN L191 SmtUtils]: Spent 14.59 s on a formula simplification. DAG size of input: 475 DAG size of output: 464 [2019-09-18 14:17:46,618 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 14:17:58,297 WARN L191 SmtUtils]: Spent 11.58 s on a formula simplification. DAG size of input: 466 DAG size of output: 465 [2019-09-18 14:18:04,048 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 14:18:09,848 WARN L191 SmtUtils]: Spent 5.79 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 14:18:15,744 WARN L191 SmtUtils]: Spent 5.89 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 14:18:30,373 WARN L191 SmtUtils]: Spent 14.59 s on a formula simplification. DAG size of input: 475 DAG size of output: 464 [2019-09-18 14:18:36,057 WARN L191 SmtUtils]: Spent 5.68 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 14:18:46,915 WARN L191 SmtUtils]: Spent 10.84 s on a formula simplification. DAG size of input: 465 DAG size of output: 462 [2019-09-18 14:18:52,434 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 14:19:09,570 WARN L191 SmtUtils]: Spent 17.11 s on a formula simplification. DAG size of input: 484 DAG size of output: 465 [2019-09-18 14:19:15,200 WARN L191 SmtUtils]: Spent 5.63 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 14:19:26,448 WARN L191 SmtUtils]: Spent 11.21 s on a formula simplification. DAG size of input: 464 DAG size of output: 463 [2019-09-18 14:19:32,107 WARN L191 SmtUtils]: Spent 5.66 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 14:19:41,256 WARN L191 SmtUtils]: Spent 9.15 s on a formula simplification that was a NOOP. DAG size: 474 [2019-09-18 14:19:41,610 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-18 14:19:43,669 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 14:19:45,536 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 14:19:47,386 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 14:19:49,243 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 14:20:07,484 WARN L191 SmtUtils]: Spent 18.21 s on a formula simplification. DAG size of input: 457 DAG size of output: 454 [2019-09-18 14:20:16,538 WARN L191 SmtUtils]: Spent 9.05 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 14:20:27,954 WARN L191 SmtUtils]: Spent 11.35 s on a formula simplification. DAG size of input: 466 DAG size of output: 465 [2019-09-18 14:20:33,593 WARN L191 SmtUtils]: Spent 5.64 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 14:20:39,287 WARN L191 SmtUtils]: Spent 5.69 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 14:20:44,936 WARN L191 SmtUtils]: Spent 5.65 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 14:20:54,205 WARN L191 SmtUtils]: Spent 9.22 s on a formula simplification that was a NOOP. DAG size: 474 [2019-09-18 14:21:03,499 WARN L191 SmtUtils]: Spent 9.29 s on a formula simplification that was a NOOP. DAG size: 474