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_spec3_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 13:28:48,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 13:28:48,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 13:28:48,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 13:28:48,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 13:28:48,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 13:28:48,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 13:28:48,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 13:28:48,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 13:28:48,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 13:28:48,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 13:28:48,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 13:28:48,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 13:28:48,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 13:28:48,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 13:28:48,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 13:28:48,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 13:28:48,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 13:28:48,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 13:28:48,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 13:28:48,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 13:28:48,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 13:28:48,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 13:28:48,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 13:28:48,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 13:28:48,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 13:28:48,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 13:28:48,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 13:28:48,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 13:28:48,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 13:28:48,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 13:28:48,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 13:28:48,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 13:28:48,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 13:28:48,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 13:28:48,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 13:28:48,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 13:28:48,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 13:28:48,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 13:28:48,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 13:28:48,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 13:28:48,523 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 13:28:48,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 13:28:48,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 13:28:48,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 13:28:48,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 13:28:48,541 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 13:28:48,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 13:28:48,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 13:28:48,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 13:28:48,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 13:28:48,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 13:28:48,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 13:28:48,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 13:28:48,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 13:28:48,543 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 13:28:48,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 13:28:48,543 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 13:28:48,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 13:28:48,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 13:28:48,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 13:28:48,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 13:28:48,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 13:28:48,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 13:28:48,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 13:28:48,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 13:28:48,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 13:28:48,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 13:28:48,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 13:28:48,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 13:28:48,546 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 13:28:48,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 13:28:48,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 13:28:48,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 13:28:48,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 13:28:48,619 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 13:28:48,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2019-09-18 13:28:48,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71c4a3d64/a02b5991a9f9491a804e29674f5a279e/FLAG20b9bcd22 [2019-09-18 13:28:49,211 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 13:28:49,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2019-09-18 13:28:49,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71c4a3d64/a02b5991a9f9491a804e29674f5a279e/FLAG20b9bcd22 [2019-09-18 13:28:49,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71c4a3d64/a02b5991a9f9491a804e29674f5a279e [2019-09-18 13:28:49,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 13:28:49,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 13:28:49,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 13:28:49,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 13:28:49,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 13:28:49,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:28:49" (1/1) ... [2019-09-18 13:28:49,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ba6314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:28:49, skipping insertion in model container [2019-09-18 13:28:49,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:28:49" (1/1) ... [2019-09-18 13:28:49,551 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 13:28:49,610 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 13:28:50,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:28:50,046 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 13:28:50,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:28:50,155 INFO L192 MainTranslator]: Completed translation [2019-09-18 13:28:50,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:28:50 WrapperNode [2019-09-18 13:28:50,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 13:28:50,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 13:28:50,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 13:28:50,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 13:28:50,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:28:50" (1/1) ... [2019-09-18 13:28:50,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:28:50" (1/1) ... [2019-09-18 13:28:50,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:28:50" (1/1) ... [2019-09-18 13:28:50,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:28:50" (1/1) ... [2019-09-18 13:28:50,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:28:50" (1/1) ... [2019-09-18 13:28:50,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:28:50" (1/1) ... [2019-09-18 13:28:50,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:28:50" (1/1) ... [2019-09-18 13:28:50,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 13:28:50,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 13:28:50,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 13:28:50,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 13:28:50,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:28:50" (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 13:28:50,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 13:28:50,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 13:28:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 13:28:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 13:28:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 13:28:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 13:28:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 13:28:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 13:28:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 13:28:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 13:28:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 13:28:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 13:28:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-18 13:28:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 13:28:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 13:28:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 13:28:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 13:28:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 13:28:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 13:28:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 13:28:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 13:28:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 13:28:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 13:28:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 13:28:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 13:28:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 13:28:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 13:28:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 13:28:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 13:28:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 13:28:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 13:28:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 13:28:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 13:28:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 13:28:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 13:28:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 13:28:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 13:28:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 13:28:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-18 13:28:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 13:28:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 13:28:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 13:28:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 13:28:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 13:28:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 13:28:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 13:28:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 13:28:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 13:28:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 13:28:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 13:28:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 13:28:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 13:28:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 13:28:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 13:28:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 13:28:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 13:28:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 13:28:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 13:28:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 13:28:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 13:28:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 13:28:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 13:28:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 13:28:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-18 13:28:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 13:28:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 13:28:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 13:28:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-18 13:28:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 13:28:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 13:28:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 13:28:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 13:28:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 13:28:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 13:28:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 13:28:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 13:28:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 13:28:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 13:28:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 13:28:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 13:28:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 13:28:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 13:28:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 13:28:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 13:28:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 13:28:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 13:28:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 13:28:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 13:28:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 13:28:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 13:28:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 13:28:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 13:28:51,694 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 13:28:51,695 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 13:28:51,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:28:51 BoogieIcfgContainer [2019-09-18 13:28:51,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 13:28:51,697 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 13:28:51,697 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 13:28:51,698 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 13:28:51,699 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:28:51" (1/1) ... [2019-09-18 13:28:51,699 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 13:28:51,722 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 13:28:51,722 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 13:28:51,732 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 13:28:51,741 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 13:28:51,742 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 13:28:52,348 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-18 13:28:52,514 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-18 13:28:52,827 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-18 13:28:53,065 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-18 13:28:53,527 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2019-09-18 13:28:53,969 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 119 [2019-09-18 13:28:54,451 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2019-09-18 13:28:54,974 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 138 [2019-09-18 13:28:55,745 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 163 [2019-09-18 13:28:56,464 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 162 [2019-09-18 13:28:57,449 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 182 [2019-09-18 13:28:58,164 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 177 [2019-09-18 13:28:59,122 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 201 [2019-09-18 13:29:00,043 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 198 [2019-09-18 13:29:01,613 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 258 DAG size of output: 211 [2019-09-18 13:29:02,691 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 208 [2019-09-18 13:29:04,174 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 306 DAG size of output: 244 [2019-09-18 13:29:05,424 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 279 DAG size of output: 239 [2019-09-18 13:29:07,238 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 334 DAG size of output: 271 [2019-09-18 13:29:07,447 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 13:29:08,874 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 320 DAG size of output: 272 [2019-09-18 13:29:09,271 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 13:29:11,929 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 375 DAG size of output: 289 [2019-09-18 13:29:13,626 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 328 DAG size of output: 286 [2019-09-18 13:29:14,126 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 13:29:17,325 WARN L191 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 378 DAG size of output: 308 [2019-09-18 13:29:17,555 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 13:29:19,186 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 351 DAG size of output: 303 [2019-09-18 13:29:19,569 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 13:29:21,993 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 443 DAG size of output: 317 [2019-09-18 13:29:24,001 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 366 DAG size of output: 312 [2019-09-18 13:29:25,027 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-18 13:29:29,449 WARN L191 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 462 DAG size of output: 326 [2019-09-18 13:29:31,537 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 377 DAG size of output: 321 [2019-09-18 13:29:32,959 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-09-18 13:29:38,155 WARN L191 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 525 DAG size of output: 334 [2019-09-18 13:29:38,448 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 13:29:40,516 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 394 DAG size of output: 331 [2019-09-18 13:29:42,203 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-09-18 13:29:48,430 WARN L191 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 624 DAG size of output: 344 [2019-09-18 13:29:48,729 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 13:29:50,901 WARN L191 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 404 DAG size of output: 341 [2019-09-18 13:29:53,152 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-18 13:30:00,633 WARN L191 SmtUtils]: Spent 7.47 s on a formula simplification. DAG size of input: 671 DAG size of output: 354 [2019-09-18 13:30:00,964 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 13:30:03,372 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 417 DAG size of output: 351 [2019-09-18 13:30:06,112 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 13:30:14,502 WARN L191 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 708 DAG size of output: 364 [2019-09-18 13:30:14,896 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 13:30:17,397 WARN L191 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 437 DAG size of output: 363 [2019-09-18 13:30:20,608 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 557 [2019-09-18 13:30:30,614 WARN L191 SmtUtils]: Spent 9.99 s on a formula simplification. DAG size of input: 844 DAG size of output: 376 [2019-09-18 13:30:31,025 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 13:30:33,838 WARN L191 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 445 DAG size of output: 375 [2019-09-18 13:30:37,699 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 631 [2019-09-18 13:30:49,188 WARN L191 SmtUtils]: Spent 11.47 s on a formula simplification. DAG size of input: 880 DAG size of output: 389 [2019-09-18 13:30:49,621 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 13:30:52,504 WARN L191 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 460 DAG size of output: 384 [2019-09-18 13:30:57,193 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 717 [2019-09-18 13:31:10,426 WARN L191 SmtUtils]: Spent 13.20 s on a formula simplification. DAG size of input: 945 DAG size of output: 397 [2019-09-18 13:31:10,926 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 13:31:14,199 WARN L191 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 474 DAG size of output: 398 [2019-09-18 13:31:19,834 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 795 [2019-09-18 13:31:36,042 WARN L191 SmtUtils]: Spent 16.19 s on a formula simplification. DAG size of input: 1049 DAG size of output: 411 [2019-09-18 13:31:36,599 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 13:31:40,186 WARN L191 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 488 DAG size of output: 412 [2019-09-18 13:31:46,631 WARN L191 SmtUtils]: Spent 3.22 s on a formula simplification that was a NOOP. DAG size: 877 [2019-09-18 13:32:04,772 WARN L191 SmtUtils]: Spent 18.11 s on a formula simplification. DAG size of input: 1109 DAG size of output: 425 [2019-09-18 13:32:05,348 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 13:32:09,031 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 494 DAG size of output: 422 [2019-09-18 13:32:10,737 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 13:32:12,469 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 13:32:12,480 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 13:32:12,524 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 13:32:12,528 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 13:32:22,833 WARN L191 SmtUtils]: Spent 10.16 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:32:27,884 WARN L191 SmtUtils]: Spent 5.05 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:32:38,062 WARN L191 SmtUtils]: Spent 10.18 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:32:43,098 WARN L191 SmtUtils]: Spent 5.03 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:32:53,264 WARN L191 SmtUtils]: Spent 10.16 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:32:58,260 WARN L191 SmtUtils]: Spent 5.00 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:33:23,856 WARN L191 SmtUtils]: Spent 25.50 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 13:33:32,326 WARN L191 SmtUtils]: Spent 8.47 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 13:33:49,650 WARN L191 SmtUtils]: Spent 17.28 s on a formula simplification. DAG size of input: 469 DAG size of output: 462 [2019-09-18 13:33:58,157 WARN L191 SmtUtils]: Spent 8.51 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 13:34:16,656 WARN L191 SmtUtils]: Spent 17.29 s on a formula simplification. DAG size of input: 461 DAG size of output: 460 [2019-09-18 13:34:25,025 WARN L191 SmtUtils]: Spent 8.37 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 13:34:41,719 WARN L191 SmtUtils]: Spent 16.69 s on a formula simplification. DAG size of input: 461 DAG size of output: 460 [2019-09-18 13:34:50,147 WARN L191 SmtUtils]: Spent 8.43 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 13:35:07,063 WARN L191 SmtUtils]: Spent 16.89 s on a formula simplification. DAG size of input: 465 DAG size of output: 460 [2019-09-18 13:35:15,433 WARN L191 SmtUtils]: Spent 8.37 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 13:35:23,769 WARN L191 SmtUtils]: Spent 8.32 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 13:35:32,115 WARN L191 SmtUtils]: Spent 8.35 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 13:35:43,819 WARN L191 SmtUtils]: Spent 11.69 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-18 13:35:55,463 WARN L191 SmtUtils]: Spent 11.64 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-18 13:36:32,360 WARN L191 SmtUtils]: Spent 36.86 s on a formula simplification. DAG size of input: 486 DAG size of output: 484 [2019-09-18 13:36:50,781 WARN L191 SmtUtils]: Spent 18.42 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-18 13:36:58,762 WARN L191 SmtUtils]: Spent 7.91 s on a formula simplification. DAG size of input: 486 DAG size of output: 449 [2019-09-18 13:37:00,714 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 449 [2019-09-18 13:37:14,533 WARN L191 SmtUtils]: Spent 13.68 s on a formula simplification. DAG size of input: 471 DAG size of output: 456 [2019-09-18 13:37:19,645 WARN L191 SmtUtils]: Spent 5.11 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 13:37:33,299 WARN L191 SmtUtils]: Spent 13.65 s on a formula simplification. DAG size of input: 471 DAG size of output: 456 [2019-09-18 13:37:38,449 WARN L191 SmtUtils]: Spent 5.15 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 13:37:49,081 WARN L191 SmtUtils]: Spent 10.62 s on a formula simplification. DAG size of input: 463 DAG size of output: 453 [2019-09-18 13:37:54,319 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 13:37:59,450 WARN L191 SmtUtils]: Spent 5.12 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 13:38:04,642 WARN L191 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 13:38:41,582 WARN L191 SmtUtils]: Spent 36.88 s on a formula simplification. DAG size of input: 486 DAG size of output: 484 [2019-09-18 13:39:00,074 WARN L191 SmtUtils]: Spent 18.49 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-18 13:39:08,045 WARN L191 SmtUtils]: Spent 7.90 s on a formula simplification. DAG size of input: 486 DAG size of output: 449 [2019-09-18 13:39:09,976 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 449 [2019-09-18 13:39:30,630 WARN L191 SmtUtils]: Spent 20.56 s on a formula simplification. DAG size of input: 478 DAG size of output: 456 [2019-09-18 13:39:35,743 WARN L191 SmtUtils]: Spent 5.11 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 13:39:56,157 WARN L191 SmtUtils]: Spent 20.41 s on a formula simplification. DAG size of input: 478 DAG size of output: 456 [2019-09-18 13:40:01,255 WARN L191 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 13:40:21,696 WARN L191 SmtUtils]: Spent 20.44 s on a formula simplification. DAG size of input: 478 DAG size of output: 456 [2019-09-18 13:40:26,789 WARN L191 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 13:40:28,236 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 459 DAG size of output: 1 [2019-09-18 13:40:53,652 WARN L191 SmtUtils]: Spent 25.38 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 13:41:02,143 WARN L191 SmtUtils]: Spent 8.49 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 13:41:19,467 WARN L191 SmtUtils]: Spent 17.28 s on a formula simplification. DAG size of input: 469 DAG size of output: 462 [2019-09-18 13:41:28,025 WARN L191 SmtUtils]: Spent 8.56 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 13:41:44,909 WARN L191 SmtUtils]: Spent 16.77 s on a formula simplification. DAG size of input: 461 DAG size of output: 460 [2019-09-18 13:41:53,299 WARN L191 SmtUtils]: Spent 8.39 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 13:42:10,164 WARN L191 SmtUtils]: Spent 16.86 s on a formula simplification. DAG size of input: 461 DAG size of output: 460