set i = a := k1;
A1: InsCode (halt SCMPDS) = 0 by RECDEF_2:def 1;
InsCode (a := k1) = 2 by SCMPDS_2:14;
then a := k1 <> halt SCMPDS by A1;
hence a := k1 is No-StopCode by COMPOS_0:def 12; :: thesis: verum