set i = a,k1 <>0_goto k2;
A1: InsCode (a,k1 <>0_goto k2) = 4 by SCMPDS_2:25;
InsCode (halt SCMPDS ) = 0 by SCMPDS_2:21, SCMPDS_2:93;
hence a,k1 <>0_goto k2 is No-StopCode by A1, Def1; :: thesis: verum