Added INFO output when game solver is invoked.

src/storm/solver/SolverSelectionOptions.cpp

@@ -36,6 +36,16 @@ namespace storm {
             return "invalid";
         }
         
+        std::string toString(GameMethod m) {
+            switch(m) {
+                case GameMethod::ValueIteration:
+                    return "valueiteration";
+                case GameMethod::PolicyIteration:
+                    return "PolicyIteration";
+            }
+            return "invalid";
+        }
+        
         std::string toString(LraMethod m) {
             switch(m) {
                 case LraMethod::LinearProgramming:

src/storm/solver/StandardGameSolver.cpp

@@ -72,7 +72,9 @@ namespace storm {
         
         template<typename ValueType>
         bool StandardGameSolver<ValueType>::solveGame(Environment const& env, OptimizationDirection player1Dir, OptimizationDirection player2Dir, std::vector<ValueType>& x, std::vector<ValueType> const& b, std::vector<uint64_t>* player1Choices, std::vector<uint64_t>* player2Choices) const {
-            switch (getMethod(env, std::is_same<ValueType, storm::RationalNumber>::value)) {
+            auto method = getMethod(env, std::is_same<ValueType, storm::RationalNumber>::value);
+            STORM_LOG_INFO("Solving stochastic two player game over " << x.size() << " states using " << toString(method) << ".");
+            switch (method) {
                 case GameMethod::ValueIteration:
                     return solveGameValueIteration(env, player1Dir, player2Dir, x, b, player1Choices, player2Choices);
                 case GameMethod::PolicyIteration: