/*
 * Copyright (C) 2016-2019 Daniel Dietsch (dietsch@informatik.uni-freiburg.de)
 * Copyright (C) 2016 Christian Schilling (schillic@informatik.uni-freiburg.de)
 * Copyright (C) 2016-2019 University of Freiburg
 *
 * This file is part of the ULTIMATE ModelCheckerUtils Library.
 *
 * The ULTIMATE ModelCheckerUtils Library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The ULTIMATE ModelCheckerUtils Library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the ULTIMATE ModelCheckerUtils Library. If not, see <http://www.gnu.org/licenses/>.
 *
 * Additional permission under GNU GPL version 3 section 7:
 * If you modify the ULTIMATE ModelCheckerUtils Library, or any covered work, by linking
 * or combining it with Eclipse RCP (or a modified version of Eclipse RCP),
 * containing parts covered by the terms of the Eclipse Public License, the
 * licensors of the ULTIMATE ModelCheckerUtils Library grant you additional permission
 * to convey the resulting work.
 */
package de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling;

import de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IAction;

/**
 * Checks a trace for feasibility and, if infeasible, constructs a proof of infeasibility.
 *
 * @author Daniel Dietsch (dietsch@informatik.uni-freiburg.de)
 * @author Christian Schilling (schillic@informatik.uni-freiburg.de)
 * @param <T>
 *            The type of the infeasibility proof, e.g., an interpolant automaton or a set of Hoare triples.
 */
public interface IRefinementEngine<L extends IAction, T> {

	/**
	 * @return The result of the refinement engine run.
	 */
	IRefinementEngineResult<L, T> getResult();

	/**
	 * @return An {@link RefinementEngineStatisticsGenerator} instance that contains all statistics collected during the
	 *         execution of this {@link IRefinementEngine} instance.
	 */
	RefinementEngineStatisticsGenerator getRefinementEngineStatistics();
}