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_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 14:01:14,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 14:01:14,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 14:01:14,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 14:01:14,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 14:01:14,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 14:01:14,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 14:01:14,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 14:01:14,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 14:01:14,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 14:01:14,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 14:01:14,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 14:01:14,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 14:01:14,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 14:01:14,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 14:01:14,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 14:01:14,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 14:01:14,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 14:01:14,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 14:01:14,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 14:01:14,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 14:01:14,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 14:01:14,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 14:01:14,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 14:01:14,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 14:01:14,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 14:01:14,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 14:01:14,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 14:01:14,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 14:01:14,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 14:01:14,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 14:01:14,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 14:01:14,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 14:01:14,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 14:01:14,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 14:01:14,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 14:01:14,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 14:01:14,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 14:01:14,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 14:01:14,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 14:01:14,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 14:01:14,534 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 14:01:14,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 14:01:14,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 14:01:14,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 14:01:14,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 14:01:14,555 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 14:01:14,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 14:01:14,556 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 14:01:14,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 14:01:14,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 14:01:14,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 14:01:14,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 14:01:14,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 14:01:14,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 14:01:14,558 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 14:01:14,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 14:01:14,558 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 14:01:14,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 14:01:14,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 14:01:14,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 14:01:14,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 14:01:14,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 14:01:14,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 14:01:14,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 14:01:14,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 14:01:14,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 14:01:14,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 14:01:14,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 14:01:14,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 14:01:14,561 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 14:01:14,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 14:01:14,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 14:01:14,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 14:01:14,644 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 14:01:14,644 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 14:01:14,645 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2019-09-18 14:01:14,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f52b30073/cc297dfc158f452eb8e2555f6c23753a/FLAG381524592 [2019-09-18 14:01:15,215 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 14:01:15,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2019-09-18 14:01:15,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f52b30073/cc297dfc158f452eb8e2555f6c23753a/FLAG381524592 [2019-09-18 14:01:15,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f52b30073/cc297dfc158f452eb8e2555f6c23753a [2019-09-18 14:01:15,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 14:01:15,563 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 14:01:15,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 14:01:15,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 14:01:15,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 14:01:15,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:01:15" (1/1) ... [2019-09-18 14:01:15,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@869f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:15, skipping insertion in model container [2019-09-18 14:01:15,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:01:15" (1/1) ... [2019-09-18 14:01:15,579 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 14:01:15,628 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 14:01:16,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:01:16,124 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 14:01:16,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:01:16,292 INFO L192 MainTranslator]: Completed translation [2019-09-18 14:01:16,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:16 WrapperNode [2019-09-18 14:01:16,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 14:01:16,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 14:01:16,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 14:01:16,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 14:01:16,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:16" (1/1) ... [2019-09-18 14:01:16,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:16" (1/1) ... [2019-09-18 14:01:16,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:16" (1/1) ... [2019-09-18 14:01:16,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:16" (1/1) ... [2019-09-18 14:01:16,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:16" (1/1) ... [2019-09-18 14:01:16,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:16" (1/1) ... [2019-09-18 14:01:16,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:16" (1/1) ... [2019-09-18 14:01:16,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 14:01:16,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 14:01:16,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 14:01:16,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 14:01:16,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:01:16" (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 14:01:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 14:01:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 14:01:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 14:01:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 14:01:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 14:01:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 14:01:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 14:01:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 14:01:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 14:01:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 14:01:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 14:01:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 14:01:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 14:01:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 14:01:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 14:01:16,463 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 14:01:16,463 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 14:01:16,463 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 14:01:16,463 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 14:01:16,463 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:01:16,463 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 14:01:16,464 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 14:01:16,464 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 14:01:16,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 14:01:16,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 14:01:16,464 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 14:01:16,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 14:01:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 14:01:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 14:01:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 14:01:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 14:01:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 14:01:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 14:01:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 14:01:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 14:01:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 14:01:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 14:01:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 14:01:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 14:01:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 14:01:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 14:01:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 14:01:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 14:01:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 14:01:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 14:01:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 14:01:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 14:01:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 14:01:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 14:01:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 14:01:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 14:01:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 14:01:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 14:01:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 14:01:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 14:01:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 14:01:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 14:01:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 14:01:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 14:01:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 14:01:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 14:01:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 14:01:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 14:01:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 14:01:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 14:01:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 14:01:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 14:01:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 14:01:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 14:01:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 14:01:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 14:01:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:01:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 14:01:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 14:01:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 14:01:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 14:01:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 14:01:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 14:01:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 14:01:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 14:01:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 14:01:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 14:01:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 14:01:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 14:01:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 14:01:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 14:01:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 14:01:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 14:01:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 14:01:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 14:01:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 14:01:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 14:01:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 14:01:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 14:01:17,652 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 14:01:17,653 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 14:01:17,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:01:17 BoogieIcfgContainer [2019-09-18 14:01:17,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 14:01:17,656 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 14:01:17,656 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 14:01:17,656 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 14:01:17,658 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:01:17" (1/1) ... [2019-09-18 14:01:17,658 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 14:01:17,694 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 14:01:17,694 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 14:01:17,711 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 14:01:17,727 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 14:01:17,728 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 14:01:18,417 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-18 14:01:18,623 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-18 14:01:18,952 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2019-09-18 14:01:19,220 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-18 14:01:19,614 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2019-09-18 14:01:19,978 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2019-09-18 14:01:20,599 WARN L191 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 147 [2019-09-18 14:01:21,103 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 144 [2019-09-18 14:01:21,925 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 157 [2019-09-18 14:01:22,521 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 154 [2019-09-18 14:01:23,527 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 175 [2019-09-18 14:01:24,202 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 170 [2019-09-18 14:01:25,154 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 196 [2019-09-18 14:01:26,068 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 193 [2019-09-18 14:01:27,792 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 268 DAG size of output: 229 [2019-09-18 14:01:28,975 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 265 DAG size of output: 228 [2019-09-18 14:01:31,066 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 291 DAG size of output: 248 [2019-09-18 14:01:32,447 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 279 DAG size of output: 245 [2019-09-18 14:01:35,057 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 340 DAG size of output: 270 [2019-09-18 14:01:35,270 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 14:01:36,735 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 318 DAG size of output: 271 [2019-09-18 14:01:37,123 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 14:01:39,838 WARN L191 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 374 DAG size of output: 288 [2019-09-18 14:01:41,523 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 331 DAG size of output: 285 [2019-09-18 14:01:41,803 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 14:01:43,813 WARN L191 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 389 DAG size of output: 308 [2019-09-18 14:01:45,655 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 347 DAG size of output: 303 [2019-09-18 14:01:46,532 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 14:01:50,089 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 429 DAG size of output: 317 [2019-09-18 14:01:52,091 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 367 DAG size of output: 312 [2019-09-18 14:01:53,172 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-18 14:01:57,464 WARN L191 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 516 DAG size of output: 326 [2019-09-18 14:01:59,619 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 369 DAG size of output: 321 [2019-09-18 14:02:00,377 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-09-18 14:02:03,639 WARN L191 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 558 DAG size of output: 334 [2019-09-18 14:02:03,926 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 14:02:05,998 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 381 DAG size of output: 331 [2019-09-18 14:02:07,869 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-09-18 14:02:13,795 WARN L191 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 627 DAG size of output: 344 [2019-09-18 14:02:14,108 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 14:02:16,311 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 389 DAG size of output: 341 [2019-09-18 14:02:18,549 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-18 14:02:26,015 WARN L191 SmtUtils]: Spent 7.45 s on a formula simplification. DAG size of input: 706 DAG size of output: 354 [2019-09-18 14:02:26,366 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 14:02:28,710 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 411 DAG size of output: 351 [2019-09-18 14:02:31,472 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 14:02:39,681 WARN L191 SmtUtils]: Spent 8.19 s on a formula simplification. DAG size of input: 716 DAG size of output: 364 [2019-09-18 14:02:40,105 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 14:02:42,694 WARN L191 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 419 DAG size of output: 363 [2019-09-18 14:02:46,005 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 557 [2019-09-18 14:02:55,983 WARN L191 SmtUtils]: Spent 9.96 s on a formula simplification. DAG size of input: 819 DAG size of output: 376 [2019-09-18 14:02:56,406 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 14:02:59,173 WARN L191 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 451 DAG size of output: 375 [2019-09-18 14:03:03,159 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 631 [2019-09-18 14:03:14,282 WARN L191 SmtUtils]: Spent 11.11 s on a formula simplification. DAG size of input: 862 DAG size of output: 389 [2019-09-18 14:03:14,751 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 14:03:17,614 WARN L191 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 462 DAG size of output: 384 [2019-09-18 14:03:22,587 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 717 [2019-09-18 14:03:35,725 WARN L191 SmtUtils]: Spent 13.12 s on a formula simplification. DAG size of input: 958 DAG size of output: 397 [2019-09-18 14:03:36,254 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 14:03:39,515 WARN L191 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 468 DAG size of output: 398 [2019-09-18 14:03:45,121 WARN L191 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 795 [2019-09-18 14:04:00,258 WARN L191 SmtUtils]: Spent 15.12 s on a formula simplification. DAG size of input: 1004 DAG size of output: 411 [2019-09-18 14:04:00,804 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 14:04:04,315 WARN L191 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 482 DAG size of output: 412 [2019-09-18 14:04:10,948 WARN L191 SmtUtils]: Spent 3.26 s on a formula simplification that was a NOOP. DAG size: 877 [2019-09-18 14:04:27,454 WARN L191 SmtUtils]: Spent 16.48 s on a formula simplification. DAG size of input: 1061 DAG size of output: 425 [2019-09-18 14:04:28,017 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 14:04:31,649 WARN L191 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 505 DAG size of output: 422 [2019-09-18 14:04:33,292 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 14:04:34,911 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 14:04:34,923 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 428 for LOIs [2019-09-18 14:04:34,987 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 428 for LOIs [2019-09-18 14:04:34,991 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 428 for LOIs [2019-09-18 14:04:46,013 WARN L191 SmtUtils]: Spent 10.88 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-18 14:04:51,197 WARN L191 SmtUtils]: Spent 5.18 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-18 14:05:17,322 WARN L191 SmtUtils]: Spent 26.06 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-09-18 14:05:26,059 WARN L191 SmtUtils]: Spent 8.74 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 14:05:53,083 WARN L191 SmtUtils]: Spent 26.96 s on a formula simplification. DAG size of input: 467 DAG size of output: 460 [2019-09-18 14:06:01,955 WARN L191 SmtUtils]: Spent 8.87 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 14:06:10,816 WARN L191 SmtUtils]: Spent 8.86 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 14:06:19,753 WARN L191 SmtUtils]: Spent 8.94 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 14:06:41,533 WARN L191 SmtUtils]: Spent 20.91 s on a formula simplification. DAG size of input: 475 DAG size of output: 468 [2019-09-18 14:06:47,158 WARN L191 SmtUtils]: Spent 5.62 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 14:07:01,430 WARN L191 SmtUtils]: Spent 14.25 s on a formula simplification. DAG size of input: 473 DAG size of output: 472 [2019-09-18 14:07:08,652 WARN L191 SmtUtils]: Spent 7.22 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 14:07:26,975 WARN L191 SmtUtils]: Spent 18.26 s on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2019-09-18 14:07:36,128 WARN L191 SmtUtils]: Spent 9.15 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 14:08:20,355 WARN L191 SmtUtils]: Spent 44.17 s on a formula simplification. DAG size of input: 493 DAG size of output: 485 [2019-09-18 14:08:32,733 WARN L191 SmtUtils]: Spent 12.38 s on a formula simplification that was a NOOP. DAG size: 485 [2019-09-18 14:08:44,093 WARN L191 SmtUtils]: Spent 11.28 s on a formula simplification. DAG size of input: 484 DAG size of output: 464 [2019-09-18 14:08:49,599 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 14:09:01,022 WARN L191 SmtUtils]: Spent 11.42 s on a formula simplification. DAG size of input: 490 DAG size of output: 471 [2019-09-18 14:09:06,431 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 14:09:17,414 WARN L191 SmtUtils]: Spent 10.90 s on a formula simplification. DAG size of input: 470 DAG size of output: 465 [2019-09-18 14:09:23,006 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 14:09:40,851 WARN L191 SmtUtils]: Spent 17.81 s on a formula simplification. DAG size of input: 480 DAG size of output: 469 [2019-09-18 14:09:47,976 WARN L191 SmtUtils]: Spent 7.12 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-18 14:10:06,030 WARN L191 SmtUtils]: Spent 18.02 s on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2019-09-18 14:10:15,029 WARN L191 SmtUtils]: Spent 9.00 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 14:10:59,539 WARN L191 SmtUtils]: Spent 44.46 s on a formula simplification. DAG size of input: 493 DAG size of output: 485 [2019-09-18 14:11:11,996 WARN L191 SmtUtils]: Spent 12.46 s on a formula simplification that was a NOOP. DAG size: 485 [2019-09-18 14:11:23,470 WARN L191 SmtUtils]: Spent 11.40 s on a formula simplification. DAG size of input: 484 DAG size of output: 464 [2019-09-18 14:11:29,011 WARN L191 SmtUtils]: Spent 5.54 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 14:11:40,595 WARN L191 SmtUtils]: Spent 11.58 s on a formula simplification. DAG size of input: 490 DAG size of output: 471 [2019-09-18 14:11:46,224 WARN L191 SmtUtils]: Spent 5.63 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 14:11:57,664 WARN L191 SmtUtils]: Spent 11.42 s on a formula simplification. DAG size of input: 470 DAG size of output: 465 [2019-09-18 14:12:03,313 WARN L191 SmtUtils]: Spent 5.65 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 14:12:21,738 WARN L191 SmtUtils]: Spent 18.34 s on a formula simplification. DAG size of input: 479 DAG size of output: 479 [2019-09-18 14:12:30,776 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 14:12:48,826 WARN L191 SmtUtils]: Spent 18.05 s on a formula simplification. DAG size of input: 479 DAG size of output: 479 [2019-09-18 14:12:57,850 WARN L191 SmtUtils]: Spent 9.02 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 14:13:29,689 WARN L191 SmtUtils]: Spent 31.79 s on a formula simplification. DAG size of input: 493 DAG size of output: 493 [2019-09-18 14:13:45,577 WARN L191 SmtUtils]: Spent 15.89 s on a formula simplification that was a NOOP. DAG size: 493 [2019-09-18 14:14:05,521 WARN L191 SmtUtils]: Spent 19.76 s on a formula simplification. DAG size of input: 492 DAG size of output: 463 [2019-09-18 14:14:10,861 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 14:14:30,626 WARN L191 SmtUtils]: Spent 19.76 s on a formula simplification. DAG size of input: 492 DAG size of output: 463 [2019-09-18 14:14:35,946 WARN L191 SmtUtils]: Spent 5.32 s on a formula simplification that was a NOOP. DAG size: 463