let s be State of SCM+FSA ; :: thesis: for J being Program of SCM+FSA
for Ig being good Program of SCM+FSA st Ig is_halting_on Initialize s & J is_halting_on IExec Ig,s & Ig is_closed_on Initialize s & J is_closed_on IExec Ig,s holds
IExec (Ig ';' J),s = (IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig)))
let J be Program of SCM+FSA ; :: thesis: for Ig being good Program of SCM+FSA st Ig is_halting_on Initialize s & J is_halting_on IExec Ig,s & Ig is_closed_on Initialize s & J is_closed_on IExec Ig,s holds
IExec (Ig ';' J),s = (IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig)))
let Ig be good Program of SCM+FSA ; :: thesis: ( Ig is_halting_on Initialize s & J is_halting_on IExec Ig,s & Ig is_closed_on Initialize s & J is_closed_on IExec Ig,s implies IExec (Ig ';' J),s = (IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig))) )
set SAt = Start-At (insloc 0 );
set D = Int-Locations \/ FinSeq-Locations ;
set Ins = NAT ;
set I = Ig;
assume that
A1:
Ig is_halting_on Initialize s
and
A2:
J is_halting_on IExec Ig,s
and
A3:
Ig is_closed_on Initialize s
and
A4:
J is_closed_on IExec Ig,s
; :: thesis: IExec (Ig ';' J),s = (IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig)))
set Is = Initialize s;
A5:
(Initialize s) . (intloc 0 ) = 1
by SCMFSA6C:3;
set s1 = s +* (Initialized Ig);
set m1 = LifeSpan (s +* (Initialized Ig));
s +* (Initialized Ig) = (Initialize s) +* (Initialized Ig)
by SCMFSA8A:8;
then A6:
s +* (Initialized Ig) = (Initialize s) +* (Ig +* (Start-At (insloc 0 )))
by A5, SCMFSA8C:18;
then
DataPart (Initialize s) = DataPart (s +* (Initialized Ig))
by SCMFSA8A:11;
then A7:
Ig is_closed_on s +* (Initialized Ig)
by A3, SCMFSA8B:6;
set s3 = (Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J);
A8:
s +* (Initialized Ig) is halting
by A1, A6, SCMFSA7B:def 8;
then A9:
(Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J) = (Result (s +* (Initialized Ig))) +* (Initialized J)
by AMI_1:122;
set s2 = s +* (Initialized (Ig ';' J));
s +* (Initialized (Ig ';' J)) = (Initialize s) +* (Initialized (Ig ';' J))
by SCMFSA8A:8;
then A10:
s +* (Initialized (Ig ';' J)) = (Initialize s) +* ((Ig ';' J) +* (Start-At (insloc 0 )))
by A5, SCMFSA8C:18;
then A11:
DataPart (Initialize s) = DataPart (s +* (Initialized (Ig ';' J)))
by SCMFSA8A:11;
then A12:
(s +* (Initialized (Ig ';' J))) . (intloc 0 ) = 1
by A5, SCMFSA6A:38;
A13: DataPart (IExec Ig,s) =
DataPart (IExec Ig,(Initialize s))
by SCMFSA8C:17
.=
DataPart (IExec Ig,(s +* (Initialized (Ig ';' J))))
by A1, A3, A5, A11, SCMFSA8C:46
;
then A14:
J is_closed_on IExec Ig,(s +* (Initialized (Ig ';' J)))
by A2, A4, SCMFSA8B:8;
A15:
Initialized Ig c= (s +* (Initialized (Ig ';' J))) +* Ig
by FUNCT_4:26, SCMFSA6A:52;
Start-At (insloc 0 ) c= Initialized Ig
by FUNCT_4:26;
then
Start-At (insloc 0 ) c= (s +* (Initialized (Ig ';' J))) +* Ig
by A15, XBOOLE_1:1;
then (s +* (Initialized (Ig ';' J))) +* Ig =
((s +* (Initialized (Ig ';' J))) +* Ig) +* (Start-At (insloc 0 ))
by FUNCT_4:79
.=
(s +* (Initialized (Ig ';' J))) +* (Ig +* (Start-At (insloc 0 )))
by FUNCT_4:15
;
then A16:
LifeSpan ((s +* (Initialized (Ig ';' J))) +* Ig) = LifeSpan (s +* (Initialized Ig))
by A1, A3, A6, A11, SCMFSA8C:101;
set JAt = J +* (Start-At (insloc 0 ));
NAT misses Int-Locations \/ FinSeq-Locations
by SCMFSA_2:13, SCMFSA_2:14, XBOOLE_1:70;
then A17:
dom (s | NAT ) misses Int-Locations \/ FinSeq-Locations
by SCMFSA8A:3;
(Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) . (intloc 0 ) = 1
by A3, A5, A6, SCMFSA8C:97;
then A18:
(Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J) = (Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (J +* (Start-At (insloc 0 )))
by SCMFSA8C:18;
set m3 = LifeSpan ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J));
set ps = s | NAT ;
A19: dom (s | NAT ) =
(dom s) /\ NAT
by RELAT_1:90
.=
(((Int-Locations \/ FinSeq-Locations ) \/ {(IC SCM+FSA )}) \/ NAT ) /\ NAT
by SCMFSA6A:34
.=
NAT
by XBOOLE_1:21
;
Ig ';' J is_halting_on Initialize s
by A1, A2, A3, A4, Th4;
then A20:
s +* (Initialized (Ig ';' J)) is halting
by A10, SCMFSA7B:def 8;
A21: IExec (Ig ';' J),s =
(Result (s +* (Initialized (Ig ';' J)))) +* (s | NAT )
by SCMFSA6B:def 1
.=
(Computation (s +* (Initialized (Ig ';' J))),(LifeSpan (s +* (Initialized (Ig ';' J))))) +* (s | NAT )
by A20, AMI_1:122
.=
(Computation (s +* (Initialized (Ig ';' J))),(((LifeSpan (s +* (Initialized Ig))) + 1) + (LifeSpan ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J))))) +* (s | NAT )
by A1, A2, A3, A4, A9, Th6
;
A22: DataPart (IExec Ig,s) =
DataPart ((Result (s +* (Initialized Ig))) +* (s | NAT ))
by SCMFSA6B:def 1
.=
DataPart (Result (s +* (Initialized Ig)))
by A17, FUNCT_4:94, SCMFSA_2:127
.=
DataPart (Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig))))
by A8, AMI_1:122
;
then
J is_halting_on Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))
by A2, A4, SCMFSA8B:8;
then A23:
(Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J) is halting
by A18, SCMFSA7B:def 8;
set IEJIs = IExec J,(IExec Ig,s);
set IAt = Ig +* (Start-At (insloc 0 ));
A24:
Ig +* (Start-At (insloc 0 )) c= s +* (Initialized Ig)
by FUNCT_4:26, SCMFSA6B:8;
A25:
J +* (Start-At (insloc 0 )) c= (Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)
by FUNCT_4:26, SCMFSA6B:8;
DataPart (IExec Ig,s) = DataPart ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J))
by A18, A22, SCMFSA8A:11;
then A26:
J is_closed_on (Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)
by A4, SCMFSA8B:6;
A27:
Initialized (Ig ';' J) c= s +* (Initialized (Ig ';' J))
by FUNCT_4:26;
(IExec Ig,s) . (intloc 0 ) = 1
by A1, A3, SCMFSA8C:96;
then A28:
(IExec Ig,s) +* (Initialized J) = (IExec Ig,s) +* (J +* (Start-At (insloc 0 )))
by SCMFSA8C:18;
then A29:
IC (Result ((Result (s +* (Initialized Ig))) +* (Initialized J))) = IC (Result ((IExec Ig,s) +* (Initialized J)))
by A2, A4, A18, A22, A9, AMI_1:121, SCMFSA8C:101;
Result ((IExec Ig,s) +* (Initialized J)), Result ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)) equal_outside NAT
by A2, A4, A18, A22, A28, SCMFSA8C:101;
then A30:
(Result ((IExec Ig,s) +* (Initialized J))) +* (s | NAT ) = (Result ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J))) +* (s | NAT )
by A19, FUNCT_7:108;
(IExec Ig,s) | NAT =
((Result (s +* (Initialized Ig))) +* (s | NAT )) | NAT
by SCMFSA6B:def 1
.=
s | NAT
by CARD_3:99
;
then A31: IExec J,(IExec Ig,s) =
(Result ((IExec Ig,s) +* (Initialized J))) +* (s | NAT )
by SCMFSA6B:def 1
.=
(Computation ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)),(LifeSpan ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)))) +* (s | NAT )
by A23, A30, AMI_1:122
;
A32:
Ig is_halting_on s +* (Initialized (Ig ';' J))
by A1, A3, A11, SCMFSA8B:8;
reconsider l = (IC (IExec J,(IExec Ig,s))) + (card Ig) as Instruction-Location of SCM+FSA ;
A33: (s +* (Initialized Ig)) +* (Ig ';' J) =
s +* ((Initialized Ig) +* (Ig ';' J))
by FUNCT_4:15
.=
s +* (Initialized (Ig ';' J))
by SCMFSA6A:58
;
Initialized Ig c= (s +* (Initialized (Ig ';' J))) +* Ig
by FUNCT_4:26, SCMFSA6A:52;
then A34:
Ig +* (Start-At (insloc 0 )) c= (s +* (Initialized (Ig ';' J))) +* Ig
by SCMFSA6B:8;
DataPart (s +* (Initialized (Ig ';' J))) = DataPart ((s +* (Initialized (Ig ';' J))) +* Ig)
by SCMFSA8C:34;
then A35:
Ig is_closed_on (s +* (Initialized (Ig ';' J))) +* Ig
by A3, A11, SCMFSA8B:6;
A36:
dom (Start-At l) = {(IC SCM+FSA )}
by FUNCOP_1:19;
Start-At (insloc 0 ) c= Initialized (Ig ';' J)
by SCMFSA6B:4;
then
Start-At (insloc 0 ) c= s +* (Initialized (Ig ';' J))
by A27, XBOOLE_1:1;
then (s +* (Initialized (Ig ';' J))) +* Ig =
((s +* (Initialized (Ig ';' J))) +* (Start-At (insloc 0 ))) +* Ig
by FUNCT_4:79
.=
((s +* (Initialized (Ig ';' J))) +* Ig) +* (Start-At (insloc 0 ))
by SCMFSA6B:14
.=
(s +* (Initialized (Ig ';' J))) +* (Ig +* (Start-At (insloc 0 )))
by FUNCT_4:15
;
then
(s +* (Initialized (Ig ';' J))) +* Ig is halting
by A32, SCMFSA7B:def 8;
then DataPart (Computation ((s +* (Initialized (Ig ';' J))) +* Ig),(LifeSpan (s +* (Initialized Ig)))) =
DataPart (Computation (((s +* (Initialized (Ig ';' J))) +* Ig) +* (Ig ';' J)),(LifeSpan (s +* (Initialized Ig))))
by A35, A34, A16, Th5, SCMFSA6A:39
.=
DataPart (Computation ((s +* (Initialized (Ig ';' J))) +* (Ig +* (Ig ';' J))),(LifeSpan (s +* (Initialized Ig))))
by FUNCT_4:15
.=
DataPart (Computation ((s +* (Initialized (Ig ';' J))) +* (Ig ';' J)),(LifeSpan (s +* (Initialized Ig))))
by SCMFSA6A:57
.=
DataPart (Computation (s +* ((Initialized (Ig ';' J)) +* (Ig ';' J))),(LifeSpan (s +* (Initialized Ig))))
by FUNCT_4:15
.=
DataPart (Computation (s +* (Initialized (Ig ';' J))),(LifeSpan (s +* (Initialized Ig))))
by LATTICE2:8, SCMFSA6A:26
.=
DataPart (Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig))))
by A8, A7, A24, A33, Th5, SCMFSA6A:39
;
then A37: DataPart ((Computation ((s +* (Initialized (Ig ';' J))) +* Ig),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)) =
(DataPart (Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig))))) +* (DataPart (Initialized J))
by FUNCT_4:75
.=
DataPart ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J))
by FUNCT_4:75
;
A38:
Ig is_closed_on s +* (Initialized (Ig ';' J))
by A3, A11, SCMFSA8B:6;
A39:
J is_halting_on IExec Ig,(s +* (Initialized (Ig ';' J)))
by A2, A4, A13, SCMFSA8B:8;
then A40:
DataPart (Computation (s +* (Initialized (Ig ';' J))),((LifeSpan (s +* (Initialized Ig))) + 1)) = DataPart ((Computation ((s +* (Initialized (Ig ';' J))) +* Ig),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J))
by A27, A38, A32, A16, A12, A14, Lm1;
A41:
ProgramPart (Relocated J,(card Ig)) c= Computation (s +* (Initialized (Ig ';' J))),((LifeSpan (s +* (Initialized Ig))) + 1)
by A27, A38, A32, A16, A12, A14, A39, Lm1;
A42:
IC (Computation (s +* (Initialized (Ig ';' J))),((LifeSpan (s +* (Initialized Ig))) + 1)) = insloc (card Ig)
by A27, A38, A32, A16, A12, A14, A39, Lm1;
then A43:
DataPart (Computation (Computation (s +* (Initialized (Ig ';' J))),((LifeSpan (s +* (Initialized Ig))) + 1)),(LifeSpan ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)))) = DataPart (Computation ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)),(LifeSpan ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J))))
by A26, A37, A40, A41, A25, SCMFSA8C:42;
A44:
dom (s | NAT ) misses Int-Locations \/ FinSeq-Locations
by A19, SCMFSA_2:13, SCMFSA_2:14, XBOOLE_1:70;
then A45: DataPart (IExec (Ig ';' J),s) =
DataPart (Computation (s +* (Initialized (Ig ';' J))),(((LifeSpan (s +* (Initialized Ig))) + 1) + (LifeSpan ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)))))
by A21, FUNCT_4:76, SCMFSA_2:127
.=
DataPart (Computation ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)),(LifeSpan ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J))))
by A43, AMI_1:51
.=
DataPart (IExec J,(IExec Ig,s))
by A31, A44, FUNCT_4:76, SCMFSA_2:127
;
A46:
IC (Computation (Computation (s +* (Initialized (Ig ';' J))),((LifeSpan (s +* (Initialized Ig))) + 1)),(LifeSpan ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)))) = (IC (Computation ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)),(LifeSpan ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J))))) + (card Ig)
by A26, A37, A42, A40, A41, A25, SCMFSA8C:42;
A47: IC (IExec (Ig ';' J),s) =
IC (Result (s +* (Initialized (Ig ';' J))))
by SCMFSA8A:7
.=
IC (Computation (s +* (Initialized (Ig ';' J))),(LifeSpan (s +* (Initialized (Ig ';' J)))))
by A20, AMI_1:122
.=
IC (Computation (s +* (Initialized (Ig ';' J))),(((LifeSpan (s +* (Initialized Ig))) + 1) + (LifeSpan ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)))))
by A1, A2, A3, A4, A9, Th6
.=
(IC (Computation ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)),(LifeSpan ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J))))) + (card Ig)
by A46, AMI_1:51
.=
(IC (Result ((Computation (s +* (Initialized Ig)),(LifeSpan (s +* (Initialized Ig)))) +* (Initialized J)))) + (card Ig)
by A23, AMI_1:122
.=
(IC (Result ((Result (s +* (Initialized Ig))) +* (Initialized J)))) + (card Ig)
by A8, AMI_1:122
.=
(IC (IExec J,(IExec Ig,s))) + (card Ig)
by A29, SCMFSA8A:7
;
A48:
now let x be
set ;
:: thesis: ( x in dom (IExec (Ig ';' J),s) implies (IExec (Ig ';' J),s) . b1 = ((IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig)))) . b1 )assume A49:
x in dom (IExec (Ig ';' J),s)
;
:: thesis: (IExec (Ig ';' J),s) . b1 = ((IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig)))) . b1per cases
( x is Int-Location or x is FinSeq-Location or x = IC SCM+FSA or x is Instruction-Location of SCM+FSA )
by A49, SCMFSA6A:35;
suppose A50:
x is
Int-Location
;
:: thesis: (IExec (Ig ';' J),s) . b1 = ((IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig)))) . b1then
x <> IC SCM+FSA
by SCMFSA_2:81;
then A51:
not
x in dom (Start-At l)
by A36, TARSKI:def 1;
(IExec (Ig ';' J),s) . x = (IExec J,(IExec Ig,s)) . x
by A45, A50, SCMFSA6A:38;
hence
(IExec (Ig ';' J),s) . x = ((IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig)))) . x
by A51, FUNCT_4:12;
:: thesis: verum end; suppose A52:
x is
FinSeq-Location
;
:: thesis: (IExec (Ig ';' J),s) . b1 = ((IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig)))) . b1then
x <> IC SCM+FSA
by SCMFSA_2:82;
then A53:
not
x in dom (Start-At l)
by A36, TARSKI:def 1;
(IExec (Ig ';' J),s) . x = (IExec J,(IExec Ig,s)) . x
by A45, A52, SCMFSA6A:38;
hence
(IExec (Ig ';' J),s) . x = ((IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig)))) . x
by A53, FUNCT_4:12;
:: thesis: verum end; suppose A56:
x is
Instruction-Location of
SCM+FSA
;
:: thesis: (IExec (Ig ';' J),s) . b1 = ((IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig)))) . b1then
x <> IC SCM+FSA
by AMI_1:48;
then A57:
not
x in dom (Start-At l)
by A36, TARSKI:def 1;
(IExec (Ig ';' J),s) | NAT =
s | NAT
by A21, CARD_3:99
.=
(IExec J,(IExec Ig,s)) | NAT
by A31, CARD_3:99
;
then
(IExec (Ig ';' J),s) . x = (IExec J,(IExec Ig,s)) . x
by A56, SCMFSA6A:36;
hence
(IExec (Ig ';' J),s) . x = ((IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig)))) . x
by A57, FUNCT_4:12;
:: thesis: verum end; end; end;
dom (IExec (Ig ';' J),s) =
the carrier of SCM+FSA
by AMI_1:79
.=
dom ((IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig))))
by AMI_1:79
;
hence
IExec (Ig ';' J),s = (IExec J,(IExec Ig,s)) +* (Start-At ((IC (IExec J,(IExec Ig,s))) + (card Ig)))
by A48, FUNCT_1:9; :: thesis: verum