(c) Loss of Vessel This Charter shall be deemed to be terminated if the Vessel becomes a total loss or is declared as a constructive or compromised or arranged total loss. For the purpose of this sub-clause, the Vessel shall not be deemed to be lost unless she has either become an actual total loss or agreement has been reached with her underwriters in respect of her constructive, compromised or arranged total loss or if such agreement with her underwriters is not reached it is adjudged by a competent tribunal that a constructive loss of the Vessel has occurred.