/// <summary>
/// Adds a MSF variable with the coresponding assertion to the Z3 variables.
/// </summary>
/// <param name="vid">The MSF id of the variable</param>
internal void AddVariable(int vid)
{
// Is the variable an integer
bool isInteger = _model.GetIntegrality(vid);
// Construct the sort we will be using
Sort sort = isInteger ? (Sort)_context.IntSort : (Sort)_context.RealSort;
// Get the variable key
object key = _model.GetKeyFromIndex(vid);
// Try to construct the name
string name;
if (key != null)
{
name = String.Format("x_{0}_{1}", key, vid);
}
else
{
name = String.Format("x_{0}", vid);
}
ArithExpr variable = (ArithExpr)_context.MkConst(name, sort);
// Create the variable and add it to the map
Debug.Assert(!_variables.ContainsKey(vid), "Variable names should be unique.");
_variables.Add(vid, variable);
AssertArith(vid, variable);
}
