/// <summary>
/// Disjoins the current side constraint with constr
/// </summary>
/// <param name="constr"></param>
/// <param name="context"></param>
public void ExtendSideConstraint(int index, Z3BoolExpr constr, Z3Context context)
{
Z3BoolExpr crntConstr;
if (SideConstraints.TryFindValue(index, out crntConstr))
{
SideConstraints[index] = context.MkOr(crntConstr, constr);
}
else
{
SideConstraints.Add(index, constr);
}
}
/// <summary>
/// Removes all constraints introduced at or after index.
/// </summary>
/// <param name="index"></param>
public void ContractSideConstraint(int index)
{
var deleteList = new LinkedList <int>();
foreach (var kv in SideConstraints.GetEnumerable(index))
{
deleteList.AddLast(kv.Key);
}
foreach (var k in deleteList)
{
SideConstraints.Remove(k);
}
}
