set i = a,k1 := k2;
A4: InsCode (halt SCMPDS ) = 0 by SCMPDS_2:21, SCMPDS_2:93;
InsCode (a,k1 := k2) = 7 by SCMPDS_2:28;
hence a,k1 := k2 is No-StopCode by A4, Def1; :: thesis: verum