set i = AddTo a,k1,b,k2;
A1: InsCode (halt SCMPDS ) = 0 by SCMPDS_2:21, SCMPDS_2:93;
InsCode (AddTo a,k1,b,k2) = 9 by SCMPDS_2:30;
hence AddTo a,k1,b,k2 is No-StopCode by A1, Def1; :: thesis: verum