java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 09:30:19,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 09:30:19,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 09:30:19,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 09:30:19,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 09:30:19,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 09:30:19,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 09:30:19,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 09:30:19,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 09:30:19,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 09:30:19,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 09:30:19,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 09:30:19,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 09:30:19,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 09:30:19,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 09:30:19,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 09:30:19,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 09:30:19,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 09:30:19,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 09:30:19,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 09:30:19,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 09:30:19,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 09:30:19,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 09:30:19,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 09:30:19,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 09:30:19,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 09:30:19,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 09:30:19,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 09:30:19,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 09:30:19,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 09:30:19,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 09:30:19,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 09:30:19,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 09:30:19,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 09:30:19,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 09:30:19,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 09:30:19,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 09:30:19,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 09:30:19,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 09:30:19,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 09:30:19,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 09:30:19,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-19 09:30:19,505 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 09:30:19,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 09:30:19,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 09:30:19,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 09:30:19,507 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 09:30:19,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 09:30:19,507 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 09:30:19,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 09:30:19,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 09:30:19,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 09:30:19,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 09:30:19,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 09:30:19,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 09:30:19,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 09:30:19,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 09:30:19,509 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 09:30:19,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 09:30:19,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 09:30:19,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 09:30:19,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 09:30:19,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 09:30:19,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 09:30:19,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 09:30:19,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 09:30:19,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 09:30:19,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 09:30:19,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 09:30:19,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 09:30:19,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 09:30:19,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 09:30:19,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 09:30:19,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 09:30:19,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 09:30:19,564 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 09:30:19,565 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-09-19 09:30:19,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d0c47368/3ca00e0c3cb74b048606905acfbea57a/FLAG282f9617a [2019-09-19 09:30:20,133 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 09:30:20,134 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-09-19 09:30:20,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d0c47368/3ca00e0c3cb74b048606905acfbea57a/FLAG282f9617a [2019-09-19 09:30:20,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d0c47368/3ca00e0c3cb74b048606905acfbea57a [2019-09-19 09:30:20,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 09:30:20,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 09:30:20,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 09:30:20,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 09:30:20,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 09:30:20,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:30:20" (1/1) ... [2019-09-19 09:30:20,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ac9f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:20, skipping insertion in model container [2019-09-19 09:30:20,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:30:20" (1/1) ... [2019-09-19 09:30:20,463 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 09:30:20,523 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 09:30:20,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 09:30:21,007 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 09:30:21,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 09:30:21,185 INFO L192 MainTranslator]: Completed translation [2019-09-19 09:30:21,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:21 WrapperNode [2019-09-19 09:30:21,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 09:30:21,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 09:30:21,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 09:30:21,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 09:30:21,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:21" (1/1) ... [2019-09-19 09:30:21,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:21" (1/1) ... [2019-09-19 09:30:21,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:21" (1/1) ... [2019-09-19 09:30:21,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:21" (1/1) ... [2019-09-19 09:30:21,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:21" (1/1) ... [2019-09-19 09:30:21,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:21" (1/1) ... [2019-09-19 09:30:21,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:21" (1/1) ... [2019-09-19 09:30:21,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 09:30:21,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 09:30:21,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 09:30:21,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 09:30:21,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:30:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 09:30:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 09:30:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 09:30:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 09:30:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 09:30:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 09:30:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 09:30:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 09:30:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 09:30:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 09:30:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 09:30:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 09:30:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 09:30:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 09:30:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 09:30:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 09:30:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 09:30:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 09:30:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 09:30:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 09:30:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 09:30:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 09:30:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 09:30:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 09:30:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 09:30:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 09:30:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 09:30:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 09:30:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 09:30:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 09:30:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 09:30:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 09:30:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 09:30:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 09:30:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 09:30:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 09:30:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 09:30:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 09:30:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 09:30:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 09:30:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 09:30:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 09:30:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 09:30:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 09:30:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 09:30:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 09:30:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 09:30:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 09:30:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 09:30:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 09:30:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 09:30:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 09:30:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 09:30:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 09:30:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 09:30:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 09:30:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 09:30:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 09:30:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 09:30:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 09:30:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 09:30:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 09:30:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 09:30:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 09:30:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 09:30:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 09:30:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 09:30:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 09:30:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 09:30:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 09:30:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 09:30:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 09:30:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 09:30:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 09:30:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 09:30:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 09:30:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 09:30:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 09:30:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 09:30:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 09:30:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 09:30:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 09:30:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 09:30:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 09:30:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 09:30:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 09:30:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 09:30:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 09:30:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 09:30:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 09:30:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 09:30:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 09:30:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 09:30:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 09:30:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 09:30:23,121 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 09:30:23,122 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 09:30:23,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:30:23 BoogieIcfgContainer [2019-09-19 09:30:23,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 09:30:23,124 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 09:30:23,124 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 09:30:23,125 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 09:30:23,126 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:30:23" (1/1) ... [2019-09-19 09:30:23,126 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 09:30:23,163 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 09:30:23,163 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 09:30:23,177 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 09:30:23,189 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 09:30:23,191 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 09:30:35,244 WARN L191 SmtUtils]: Spent 11.92 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 09:30:46,568 WARN L191 SmtUtils]: Spent 11.32 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 09:31:06,937 WARN L191 SmtUtils]: Spent 12.12 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 09:31:08,665 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 09:31:12,560 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 09:31:12,569 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 09:31:14,459 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:31:16,335 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:31:18,203 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:31:20,044 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:31:21,932 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:31:23,817 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:31:25,717 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:31:27,550 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:31:27,558 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 09:31:27,563 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 09:31:31,367 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2019-09-19 09:31:33,205 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 425 [2019-09-19 09:31:44,683 WARN L191 SmtUtils]: Spent 11.43 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:31:50,130 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:32:01,326 WARN L191 SmtUtils]: Spent 11.19 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:32:06,775 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:32:17,991 WARN L191 SmtUtils]: Spent 11.21 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:32:23,473 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:32:34,285 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:32:39,589 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:32:50,436 WARN L191 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:32:55,755 WARN L191 SmtUtils]: Spent 5.32 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:33:06,506 WARN L191 SmtUtils]: Spent 10.75 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:33:11,846 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:33:22,584 WARN L191 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:33:27,868 WARN L191 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:33:38,137 WARN L191 SmtUtils]: Spent 10.23 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-19 09:33:43,230 WARN L191 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:34:02,594 WARN L191 SmtUtils]: Spent 19.34 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-19 09:34:10,965 WARN L191 SmtUtils]: Spent 8.37 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 09:34:19,390 WARN L191 SmtUtils]: Spent 8.39 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:34:27,704 WARN L191 SmtUtils]: Spent 8.31 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:34:29,355 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 453 DAG size of output: 1 [2019-09-19 09:34:43,693 WARN L191 SmtUtils]: Spent 14.22 s on a formula simplification. DAG size of input: 444 DAG size of output: 432 [2019-09-19 09:34:48,478 WARN L191 SmtUtils]: Spent 4.78 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-19 09:34:58,303 WARN L191 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 455 DAG size of output: 434 [2019-09-19 09:35:03,165 WARN L191 SmtUtils]: Spent 4.86 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-19 09:35:12,261 WARN L191 SmtUtils]: Spent 9.08 s on a formula simplification. DAG size of input: 452 DAG size of output: 432 [2019-09-19 09:35:16,961 WARN L191 SmtUtils]: Spent 4.70 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-19 09:35:33,807 WARN L191 SmtUtils]: Spent 16.83 s on a formula simplification. DAG size of input: 459 DAG size of output: 434 [2019-09-19 09:35:38,523 WARN L191 SmtUtils]: Spent 4.72 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-19 09:35:43,188 WARN L191 SmtUtils]: Spent 4.66 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-19 09:35:47,973 WARN L191 SmtUtils]: Spent 4.78 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-19 09:35:49,276 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 440 DAG size of output: 1 [2019-09-19 09:35:58,600 WARN L191 SmtUtils]: Spent 9.32 s on a formula simplification. DAG size of input: 439 DAG size of output: 432 [2019-09-19 09:36:03,272 WARN L191 SmtUtils]: Spent 4.67 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-19 09:36:08,015 WARN L191 SmtUtils]: Spent 4.74 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-19 09:36:12,698 WARN L191 SmtUtils]: Spent 4.68 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-19 09:36:21,755 WARN L191 SmtUtils]: Spent 8.94 s on a formula simplification. DAG size of input: 457 DAG size of output: 439 [2019-09-19 09:36:26,344 WARN L191 SmtUtils]: Spent 4.59 s on a formula simplification that was a NOOP. DAG size: 439 [2019-09-19 09:37:10,521 WARN L191 SmtUtils]: Spent 44.12 s on a formula simplification. DAG size of input: 543 DAG size of output: 481 [2019-09-19 09:37:19,890 WARN L191 SmtUtils]: Spent 9.37 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-19 09:37:34,892 WARN L191 SmtUtils]: Spent 14.94 s on a formula simplification. DAG size of input: 447 DAG size of output: 441 [2019-09-19 09:37:42,311 WARN L191 SmtUtils]: Spent 7.42 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 09:37:57,262 WARN L191 SmtUtils]: Spent 14.92 s on a formula simplification. DAG size of input: 482 DAG size of output: 471 [2019-09-19 09:38:04,522 WARN L191 SmtUtils]: Spent 7.26 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 09:38:20,421 WARN L191 SmtUtils]: Spent 15.90 s on a formula simplification. DAG size of input: 487 DAG size of output: 469 [2019-09-19 09:38:27,678 WARN L191 SmtUtils]: Spent 7.26 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-19 09:38:44,012 WARN L191 SmtUtils]: Spent 16.33 s on a formula simplification. DAG size of input: 498 DAG size of output: 469 [2019-09-19 09:38:51,299 WARN L191 SmtUtils]: Spent 7.29 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-19 09:39:05,278 WARN L191 SmtUtils]: Spent 13.93 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-19 09:39:06,012 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 30 [2019-09-19 09:39:06,281 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-19 09:39:06,524 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-19 09:39:06,709 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-19 09:39:07,190 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-19 09:39:07,458 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-19 09:39:07,721 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-19 09:39:07,950 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-19 09:39:08,194 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-19 09:39:08,789 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-09-19 09:39:09,794 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-09-19 09:39:10,343 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-09-19 09:39:10,685 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-19 09:39:10,825 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 09:39:11,098 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-19 09:39:11,237 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 09:39:11,663 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-09-19 09:39:11,820 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 09:39:12,052 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2019-09-19 09:39:13,478 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-19 09:39:13,909 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-09-19 09:39:14,017 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 09:39:14,345 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-19 09:39:14,504 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-19 09:39:14,860 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-19 09:39:15,015 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-19 09:39:15,298 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 09:39:16,237 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-19 09:39:16,478 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-19 09:39:16,674 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-19 09:39:17,224 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-19 09:39:17,496 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-19 09:39:17,745 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-19 09:39:17,981 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-19 09:39:18,223 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-19 09:39:18,782 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-09-19 09:39:29,172 WARN L191 SmtUtils]: Spent 10.30 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-19 09:39:34,278 WARN L191 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:39:53,613 WARN L191 SmtUtils]: Spent 19.33 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-19 09:40:01,866 WARN L191 SmtUtils]: Spent 8.25 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 09:40:10,117 WARN L191 SmtUtils]: Spent 8.23 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:40:18,457 WARN L191 SmtUtils]: Spent 8.34 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:40:20,523 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 454 DAG size of output: 1 [2019-09-19 09:40:35,264 WARN L191 SmtUtils]: Spent 14.65 s on a formula simplification. DAG size of input: 445 DAG size of output: 434 [2019-09-19 09:40:40,298 WARN L191 SmtUtils]: Spent 5.03 s on a formula simplification that was a NOOP. DAG size: 434 [2019-09-19 09:40:54,999 WARN L191 SmtUtils]: Spent 14.68 s on a formula simplification. DAG size of input: 458 DAG size of output: 436 [2019-09-19 09:41:00,002 WARN L191 SmtUtils]: Spent 5.00 s on a formula simplification that was a NOOP. DAG size: 436 [2019-09-19 09:41:13,994 WARN L191 SmtUtils]: Spent 13.97 s on a formula simplification. DAG size of input: 456 DAG size of output: 436 [2019-09-19 09:41:19,064 WARN L191 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 436 [2019-09-19 09:41:38,626 WARN L191 SmtUtils]: Spent 19.55 s on a formula simplification. DAG size of input: 464 DAG size of output: 438 [2019-09-19 09:41:43,816 WARN L191 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 438 [2019-09-19 09:41:48,769 WARN L191 SmtUtils]: Spent 4.95 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 09:41:53,646 WARN L191 SmtUtils]: Spent 4.88 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 09:41:55,356 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 438 DAG size of output: 1 [2019-09-19 09:42:05,167 WARN L191 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 442 DAG size of output: 435 [2019-09-19 09:42:10,074 WARN L191 SmtUtils]: Spent 4.91 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:42:20,693 WARN L191 SmtUtils]: Spent 10.61 s on a formula simplification. DAG size of input: 448 DAG size of output: 437 [2019-09-19 09:42:25,603 WARN L191 SmtUtils]: Spent 4.91 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 09:42:37,274 WARN L191 SmtUtils]: Spent 11.57 s on a formula simplification. DAG size of input: 461 DAG size of output: 442 [2019-09-19 09:42:42,296 WARN L191 SmtUtils]: Spent 5.02 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 09:43:12,147 WARN L191 SmtUtils]: Spent 29.81 s on a formula simplification. DAG size of input: 559 DAG size of output: 473 [2019-09-19 09:43:17,901 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-19 09:43:24,621 WARN L191 SmtUtils]: Spent 6.69 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-19 09:43:31,267 WARN L191 SmtUtils]: Spent 6.64 s on a formula simplification that was a NOOP. DAG size: 440