From 93ba6f941ff9c9eba3fc5b81034dc28e8e8474f7 Mon Sep 17 00:00:00 2001
From: dehnert <dehnert@cs.rwth-aachen.de>
Date: Mon, 5 Dec 2016 18:51:29 +0100
Subject: [PATCH] forgot to add file

---
 src/storm/abstraction/ValidBlockAbstractor.h | 88 ++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 src/storm/abstraction/ValidBlockAbstractor.h

diff --git a/src/storm/abstraction/ValidBlockAbstractor.h b/src/storm/abstraction/ValidBlockAbstractor.h
new file mode 100644
index 000000000..6e0b28ab4
--- /dev/null
+++ b/src/storm/abstraction/ValidBlockAbstractor.h
@@ -0,0 +1,88 @@
+#pragma once
+
+#include <cstdint>
+#include <functional>
+#include <vector>
+#include <memory>
+
+#include "storm/storage/dd/DdType.h"
+#include "storm/storage/dd/Bdd.h"
+
+#include "storm/abstraction/LocalExpressionInformation.h"
+
+#include "storm/solver/SmtSolver.h"
+
+namespace storm {
+    namespace utility {
+        namespace solver {
+            class SmtSolverFactory;
+        }
+    }
+    
+    namespace abstraction {
+        
+        template <storm::dd::DdType DdType>
+        class AbstractionInformation;
+        
+        template <storm::dd::DdType DdType>
+        class ValidBlockAbstractor {
+        public:
+            ValidBlockAbstractor(AbstractionInformation<DdType>& abstractionInformation, std::shared_ptr<storm::utility::solver::SmtSolverFactory> const& smtSolverFactory);
+
+            storm::dd::Bdd<DdType> const& getValidBlocks();
+            
+            void refine(std::vector<uint64_t> const& predicates);
+            
+        private:
+            /*!
+             * Checks which parts of the valid blocks need to be recomputed.
+             */
+            void recomputeValidBlocks();
+            
+            /*!
+             * Recomputed the valid blocks for the given predicate block.
+             */
+            void recomputeValidBlockForPredicateBlock(uint64_t blockIndex);
+            
+            /*!
+             * Retrieves the abstraction information object.
+             */
+            AbstractionInformation<DdType> const& getAbstractionInformation() const;
+            
+            /*!
+             * Translates the given model to a source state DD.
+             *
+             * @param model The model to translate.
+             * @param blockIndex The index of the block.
+             * @return The source state encoded as a DD.
+             */
+            storm::dd::Bdd<DdType> getSourceStateBdd(storm::solver::SmtSolver::ModelReference const& model, uint64_t blockIndex) const;
+            
+            /// The object storing the information about the abstraction (like predicates etc.)
+            std::reference_wrapper<AbstractionInformation<DdType> const> abstractionInformation;
+            
+            /// An object storing information about how predicates are related.
+            LocalExpressionInformation<DdType> localExpressionInformation;
+            
+            /// The BDD storing all valid blocks;
+            storm::dd::Bdd<DdType> validBlocks;
+            
+            /// A vector of SMT solvers that correspond to the predicate blocks in the local expression information.
+            std::vector<std::unique_ptr<storm::solver::SmtSolver>> smtSolvers;
+            
+            /// A vector of relevant variables and predicates. Every inner vector corresponds to one block of the local
+            /// expression information.
+            std::vector<std::vector<std::pair<storm::expressions::Variable, uint64_t>>> relevantVariablesAndPredicates;
+
+            /// The decision variables for each predicate block.
+            std::vector<std::vector<storm::expressions::Variable>> decisionVariables;
+            
+            /// A vector of BDDs that store the valid blocks for the individual predicate blocks to be able to reuse them.
+            std::vector<storm::dd::Bdd<DdType>> validBlocksForPredicateBlocks;
+            
+            /// A flag that stores whether we need to possibly recompute the valid blocks (or parts).
+            bool checkForRecomputation;
+        };
+        
+    }
+}