set i = (a,k1) := (b,k2);
A5: InsCode (halt SCMPDS) = 0 by SCMPDS_2:12, SCMPDS_2:81;
InsCode ((a,k1) := (b,k2)) = 13 by SCMPDS_2:25;
hence (a,k1) := (b,k2) is No-StopCode by A5, COMPOS_1:def 24; :: thesis: verum