set i = MultBy a,k1,b,k2;
A3: InsCode (halt SCMPDS ) = 0 by SCMPDS_2:21, SCMPDS_2:93;
InsCode (MultBy a,k1,b,k2) = 11 by SCMPDS_2:32;
hence MultBy a,k1,b,k2 is No-StopCode by A3, Def1; :: thesis: verum