consider w being State of SCM;
set t = w +* (((dl. 0),(dl. 1)) --> (1,0));
A14: InsCode (MultBy (a,b)) = 4 by RECDEF_2:def 1
.= InsCode (MultBy ((dl. 0),(dl. 1))) by RECDEF_2:def 1 ;
A15: dom (((dl. 0),(dl. 1)) --> (1,0)) = {(dl. 0),(dl. 1)} by FUNCT_4:65;
then dl. 0 in dom (((dl. 0),(dl. 1)) --> (1,0)) by TARSKI:def 2;
then A16: (w +* (((dl. 0),(dl. 1)) --> (1,0))) . (dl. 0) = (((dl. 0),(dl. 1)) --> (1,0)) . (dl. 0) by FUNCT_4:14
.= 1 by AMI_3:52, FUNCT_4:66 ;
XX: dl. 0 in Data-Locations SCM by AMI_3:73;
dl. 1 in dom (((dl. 0),(dl. 1)) --> (1,0)) by A15, TARSKI:def 2;
then A18: (w +* (((dl. 0),(dl. 1)) --> (1,0))) . (dl. 1) = (((dl. 0),(dl. 1)) --> (1,0)) . (dl. 1) by FUNCT_4:14
.= 0 by FUNCT_4:66 ;
(Exec ((MultBy ((dl. 0),(dl. 1))),(w +* (((dl. 0),(dl. 1)) --> (1,0))))) . (dl. 0) = ((w +* (((dl. 0),(dl. 1)) --> (1,0))) . (dl. 0)) * ((w +* (((dl. 0),(dl. 1)) --> (1,0))) . (dl. 1)) by AMI_3:11
.= 0 by A18 ;
hence for b1 being InsType of SCM st b1 = InsCode (MultBy (a,b)) holds
not b1 is jump-only by A14, A16, AMISTD_1:def 3, XX; :: thesis: verum