let s be State of SCM+FSA ; for J being Program of SCM+FSA
for Ig being good Program of SCM+FSA st Ig is_halting_on Initialized s & J is_halting_on IExec Ig,s & Ig is_closed_on Initialized s & J is_closed_on IExec Ig,s holds
LifeSpan (ProgramPart (s +* (Initialized (Ig ';' J)))),(s +* (Initialized (Ig ';' J))) = ((LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) + 1) + (LifeSpan (ProgramPart ((Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) +* (Initialized J))),((Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) +* (Initialized J)))
let J be Program of SCM+FSA ; for Ig being good Program of SCM+FSA st Ig is_halting_on Initialized s & J is_halting_on IExec Ig,s & Ig is_closed_on Initialized s & J is_closed_on IExec Ig,s holds
LifeSpan (ProgramPart (s +* (Initialized (Ig ';' J)))),(s +* (Initialized (Ig ';' J))) = ((LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) + 1) + (LifeSpan (ProgramPart ((Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) +* (Initialized J))),((Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) +* (Initialized J)))
let Ig be good Program of SCM+FSA ; ( Ig is_halting_on Initialized s & J is_halting_on IExec Ig,s & Ig is_closed_on Initialized s & J is_closed_on IExec Ig,s implies LifeSpan (ProgramPart (s +* (Initialized (Ig ';' J)))),(s +* (Initialized (Ig ';' J))) = ((LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) + 1) + (LifeSpan (ProgramPart ((Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) +* (Initialized J))),((Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) +* (Initialized J))) )
set SAt = Start-At 0 ,SCM+FSA ;
set D = Int-Locations \/ FinSeq-Locations ;
set I = Ig;
assume that
A1:
Ig is_halting_on Initialized s
and
A2:
J is_halting_on IExec Ig,s
and
A3:
Ig is_closed_on Initialized s
and
A4:
J is_closed_on IExec Ig,s
; LifeSpan (ProgramPart (s +* (Initialized (Ig ';' J)))),(s +* (Initialized (Ig ';' J))) = ((LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) + 1) + (LifeSpan (ProgramPart ((Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) +* (Initialized J))),((Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) +* (Initialized J)))
set Is = Initialized s;
A5:
(Initialized s) . (intloc 0 ) = 1
by SCMFSA6C:3;
set s1 = s +* (Initialized Ig);
set m1 = LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig));
set s3 = (Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))) +* (Initialized J);
s +* (Initialized Ig) = (Initialized s) +* (Initialized Ig)
by SCMFSA8A:8;
then A6:
s +* (Initialized Ig) = (Initialized s) +* (Ig +* (Start-At 0 ,SCM+FSA ))
by A5, SCMFSA8C:18;
then A7:
ProgramPart (s +* (Initialized Ig)) halts_on s +* (Initialized Ig)
by A1, SCMFSA7B:def 8;
then A8:
(Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))) +* (Initialized J) = (Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) +* (Initialized J)
by AMI_1:122;
set s2 = s +* (Initialized (Ig ';' J));
s +* (Initialized (Ig ';' J)) = (Initialized s) +* (Initialized (Ig ';' J))
by SCMFSA8A:8;
then
s +* (Initialized (Ig ';' J)) = (Initialized s) +* ((Ig ';' J) +* (Start-At 0 ,SCM+FSA ))
by A5, SCMFSA8C:18;
then A9:
DataPart (Initialized s) = DataPart (s +* (Initialized (Ig ';' J)))
by SCMFSA8A:11;
then A10:
(s +* (Initialized (Ig ';' J))) . (intloc 0 ) = 1
by A5, SCMFSA6A:38;
set JAt = J +* (Start-At 0 ,SCM+FSA );
NAT misses Int-Locations \/ FinSeq-Locations
by SCMFSA_2:13, SCMFSA_2:14, XBOOLE_1:70;
then A11:
dom (s | NAT ) misses Int-Locations \/ FinSeq-Locations
by SCMFSA8A:3;
(Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))) . (intloc 0 ) = 1
by A3, A5, A6, SCMFSA8C:97;
then A12:
(Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))) +* (Initialized J) = (Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))) +* (J +* (Start-At 0 ,SCM+FSA ))
by SCMFSA8C:18;
then
J +* (Start-At 0 ,SCM+FSA ) c= (Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))) +* (Initialized J)
by FUNCT_4:26;
then A13:
(Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))) +* (Initialized J) = ((Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))) +* (Initialized J)) +* (J +* (Start-At 0 ,SCM+FSA ))
by FUNCT_4:79;
DataPart (IExec Ig,s) =
DataPart ((Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) +* (s | NAT ))
by SCMFSA6B:def 1
.=
DataPart (Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))
by A11, FUNCT_4:76, SCMFSA_2:127
.=
DataPart (Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))))
by A7, AMI_1:122
;
then A14:
DataPart (IExec Ig,s) = DataPart ((Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))) +* (Initialized J))
by A12, SCMFSA8A:11;
then A15:
J is_halting_on (Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))) +* (Initialized J)
by A2, A4, SCMFSA8B:8;
A16:
Initialized Ig c= (s +* (Initialized (Ig ';' J))) +* Ig
by FUNCT_4:26, SCMFSA6A:52;
Start-At 0 ,SCM+FSA c= Initialized Ig
by FUNCT_4:26;
then
Start-At 0 ,SCM+FSA c= (s +* (Initialized (Ig ';' J))) +* Ig
by A16, XBOOLE_1:1;
then A17: (s +* (Initialized (Ig ';' J))) +* Ig =
((s +* (Initialized (Ig ';' J))) +* Ig) +* (Start-At 0 ,SCM+FSA )
by FUNCT_4:79
.=
(s +* (Initialized (Ig ';' J))) +* (Ig +* (Start-At 0 ,SCM+FSA ))
by FUNCT_4:15
;
then
Result (ProgramPart ((s +* (Initialized (Ig ';' J))) +* Ig)),((s +* (Initialized (Ig ';' J))) +* Ig), Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)) equal_outside NAT
by A1, A3, A6, A9, FUNCT_7:28, SCMFSA8C:101;
then A18:
DataPart ((Result (ProgramPart ((s +* (Initialized (Ig ';' J))) +* Ig)),((s +* (Initialized (Ig ';' J))) +* Ig)) +* (Initialized J)) = DataPart ((Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))) +* (Initialized J))
by A8, FUNCT_7:106, SCMFSA6A:39;
A19: DataPart (IExec Ig,s) =
DataPart (IExec Ig,(Initialized s))
by SCMFSA8C:17
.=
DataPart (IExec Ig,(s +* (Initialized (Ig ';' J))))
by A1, A3, A5, A9, SCMFSA8C:46
;
then A20:
J is_closed_on IExec Ig,(s +* (Initialized (Ig ';' J)))
by A2, A4, SCMFSA8B:8;
A21:
Initialized (Ig ';' J) c= s +* (Initialized (Ig ';' J))
by FUNCT_4:26;
A22:
Ig is_closed_on s +* (Initialized (Ig ';' J))
by A3, A9, SCMFSA8B:6;
A23:
J is_halting_on IExec Ig,(s +* (Initialized (Ig ';' J)))
by A2, A4, A19, SCMFSA8B:8;
Ig is_halting_on s +* (Initialized (Ig ';' J))
by A1, A3, A9, SCMFSA8B:8;
then A24:
LifeSpan (ProgramPart (s +* (Initialized (Ig ';' J)))),(s +* (Initialized (Ig ';' J))) = ((LifeSpan (ProgramPart ((s +* (Initialized (Ig ';' J))) +* Ig)),((s +* (Initialized (Ig ';' J))) +* Ig)) + 1) + (LifeSpan (ProgramPart ((Result (ProgramPart ((s +* (Initialized (Ig ';' J))) +* Ig)),((s +* (Initialized (Ig ';' J))) +* Ig)) +* (Initialized J))),((Result (ProgramPart ((s +* (Initialized (Ig ';' J))) +* Ig)),((s +* (Initialized (Ig ';' J))) +* Ig)) +* (Initialized J)))
by A22, A10, A20, A23, A21, Lm1;
set SAt = Start-At 0 ,SCM+FSA ;
J +* (Start-At 0 ,SCM+FSA ) c= (Result (ProgramPart ((s +* (Initialized (Ig ';' J))) +* Ig)),((s +* (Initialized (Ig ';' J))) +* Ig)) +* (Initialized J)
by FUNCT_4:26, SCMFSA6B:8;
then A25:
(Result (ProgramPart ((s +* (Initialized (Ig ';' J))) +* Ig)),((s +* (Initialized (Ig ';' J))) +* Ig)) +* (Initialized J) = ((Result (ProgramPart ((s +* (Initialized (Ig ';' J))) +* Ig)),((s +* (Initialized (Ig ';' J))) +* Ig)) +* (Initialized J)) +* (J +* (Start-At 0 ,SCM+FSA ))
by FUNCT_4:79;
A26:
J is_closed_on (Comput (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)),(LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig)))) +* (Initialized J)
by A4, A14, SCMFSA8B:6;
LifeSpan (ProgramPart ((s +* (Initialized (Ig ';' J))) +* Ig)),((s +* (Initialized (Ig ';' J))) +* Ig) = LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))
by A1, A3, A6, A9, A17, SCMFSA8C:101;
hence
LifeSpan (ProgramPart (s +* (Initialized (Ig ';' J)))),(s +* (Initialized (Ig ';' J))) = ((LifeSpan (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) + 1) + (LifeSpan (ProgramPart ((Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) +* (Initialized J))),((Result (ProgramPart (s +* (Initialized Ig))),(s +* (Initialized Ig))) +* (Initialized J)))
by A26, A15, A13, A8, A24, A25, A18, SCMFSA8C:101; verum