let s be State of SCM+FSA ; ( (IExec ((((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))) ';' (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 ))))),s) . (intloc (1 + 1)) < s . (intloc (1 + 1)) or (IExec ((((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))) ';' (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 ))))),s) . (intloc (1 + 1)) <= 0 )
set s0 = Initialized s;
set s1 = Exec ((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))),(Initialized s);
set s2 = IExec (((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))),s;
A1:
intloc (4 + 1) <> intloc (1 + 1)
by AMI_3:52;
A2: (IExec (((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))),s) . (intloc (1 + 1)) =
(Exec (SubFrom (intloc (4 + 1)),(intloc (5 + 1))),(Exec ((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))),(Initialized s))) . (intloc (1 + 1))
by SCMFSA6C:9
.=
(Exec ((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))),(Initialized s)) . (intloc (1 + 1))
by A1, SCMFSA_2:91
.=
(Initialized s) . (intloc (1 + 1))
by A1, SCMFSA_2:98
.=
s . (intloc (1 + 1))
by SCMFSA6C:3
;
per cases
( (IExec (((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))),s) . (intloc (4 + 1)) > 0 or (IExec (((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))),s) . (intloc (4 + 1)) <= 0 )
;
suppose A3:
(IExec (((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))),s) . (intloc (4 + 1)) > 0
;
( (IExec ((((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))) ';' (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 ))))),s) . (intloc (1 + 1)) < s . (intloc (1 + 1)) or (IExec ((((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))) ';' (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 ))))),s) . (intloc (1 + 1)) <= 0 )(IExec ((((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))) ';' (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 ))))),s) . (intloc (1 + 1)) =
(IExec (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 )))),(IExec (((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))),s)) . (intloc (1 + 1))
by SCM_HALT:30
.=
0
by A3, Lm3
;
hence
(
(IExec ((((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))) ';' (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 ))))),s) . (intloc (1 + 1)) < s . (intloc (1 + 1)) or
(IExec ((((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))) ';' (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 ))))),s) . (intloc (1 + 1)) <= 0 )
;
verum end; suppose A4:
(IExec (((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))),s) . (intloc (4 + 1)) <= 0
;
( (IExec ((((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))) ';' (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 ))))),s) . (intloc (1 + 1)) < s . (intloc (1 + 1)) or (IExec ((((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))) ';' (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 ))))),s) . (intloc (1 + 1)) <= 0 )(IExec ((((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))) ';' (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 ))))),s) . (intloc (1 + 1)) =
(IExec (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 )))),(IExec (((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))),s)) . (intloc (1 + 1))
by SCM_HALT:30
.=
(s . (intloc (1 + 1))) - 1
by A2, A4, Lm3
;
hence
(
(IExec ((((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))) ';' (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 ))))),s) . (intloc (1 + 1)) < s . (intloc (1 + 1)) or
(IExec ((((intloc (4 + 1)) := (fsloc 0 ),(intloc (1 + 1))) ';' (SubFrom (intloc (4 + 1)),(intloc (5 + 1)))) ';' (if>0 (intloc (4 + 1)),(Macro (SubFrom (intloc (1 + 1)),(intloc (1 + 1)))),((AddTo (intloc (3 + 1)),(intloc 0 )) ';' (SubFrom (intloc (1 + 1)),(intloc 0 ))))),s) . (intloc (1 + 1)) <= 0 )
by XREAL_1:148;
verum end;