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