set WHL = while<>0 (F4(),F5(),F3());
set s1 = (Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())));
set ps = ProgramPart F2();
I1: (Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))) = F2() +* (Initialize (stop (while<>0 (F4(),F5(),F3())))) by COMPOS_1:125;
set sI = (Initialize F2()) +* (stop F3());
set m1 = (LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 2;
set s2 = (Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())));
set m2 = LifeSpan ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))));
I2: (Initialize F2()) +* (stop F3()) = F2() +* (Initialize (stop F3())) by COMPOS_1:125;
I3: (Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))) = (IExec (F3(),F2())) +* (Initialize (stop (while<>0 (F4(),F5(),F3())))) by COMPOS_1:125;
A6: Initialize (stop F3()) c= (Initialize F2()) +* (stop F3()) by I2, FUNCT_4:26;
F3() is_closed_on F2() by A2, A4, A5;
then A7: F3() is_closed_on (Initialize F2()) +* (stop F3()) by SCMPDS_6:38;
F3() is_halting_on F2() by A2, A4, A5;
then A8: ProgramPart ((Initialize F2()) +* (stop F3())) halts_on (Initialize F2()) +* (stop F3()) by SCMPDS_6:def 3;
I4: (Initialize ((Initialize F2()) +* (stop F3()))) +* (stop F3()) = ((Initialize F2()) +* (stop F3())) +* (Initialize (stop F3())) by COMPOS_1:125;
(Initialize F2()) +* (stop F3()) = (Initialize ((Initialize F2()) +* (stop F3()))) +* (stop F3()) by A6, I4, FUNCT_4:79;
then ProgramPart ((Initialize ((Initialize F2()) +* (stop F3()))) +* (stop F3())) halts_on (Initialize ((Initialize F2()) +* (stop F3()))) +* (stop F3()) by A8;
then A9: F3() is_halting_on (Initialize F2()) +* (stop F3()) by SCMPDS_6:def 3;
set s4 = Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1);
set i1 = (F4(),F5()) <>0_goto 2;
set i2 = goto ((card F3()) + 2);
set i3 = goto (- ((card F3()) + 2));
set b = DataLoc ((F2() . F4()),F5());
A10: IC ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) = 0 by SCMPDS_6:21;
set mI = LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())));
set s5 = Comput ((ProgramPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1))),(Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)),(LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))));
set l2 = (card F3()) + 2;
A11: while<>0 (F4(),F5(),F3()) = ((F4(),F5()) <>0_goto 2) ';' (((goto ((card F3()) + 2)) ';' F3()) ';' (goto (- ((card F3()) + 2)))) by Lm10;
set m3 = (LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1;
set s6 = Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1));
(card F3()) + 2 < (card F3()) + 3 by XREAL_1:8;
then A12: (card F3()) + 2 in dom (while<>0 (F4(),F5(),F3())) by Th13;
set s7 = Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),(((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1) + 1));
A13: IExec (F3(),F2()) = (Result ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) +* (F2() | NAT) by SCMPDS_4:def 8;
A14: dom (ProgramPart F2()) = NAT by COMPOS_1:34;
( while<>0 (F4(),F5(),F3()) c= Initialize (stop (while<>0 (F4(),F5(),F3()))) & Initialize (stop (while<>0 (F4(),F5(),F3()))) c= (Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))) ) by I1, FUNCT_4:26, SCMPDS_6:17;
then A15: while<>0 (F4(),F5(),F3()) c= (Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))) by XBOOLE_1:1;
deffunc H1( State of SCMPDS) -> Element of NAT = F1($1);
A16: for t being State of SCMPDS st P1[ Dstate t] & H1( Dstate t) = 0 holds
t . (DataLoc ((F2() . F4()),F5())) = 0 by A3;
A17: for t being State of SCMPDS st P1[ Dstate t] & t . F4() = F2() . F4() & t . (DataLoc ((F2() . F4()),F5())) <> 0 holds
( (IExec (F3(),t)) . F4() = t . F4() & F3() is_closed_on t & F3() is_halting_on t & H1( Dstate (IExec (F3(),t))) < H1( Dstate t) & P1[ Dstate (IExec (F3(),t))] ) by A5;
A18: Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),(0 + 1)) = Following ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),(Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),0))) by EXTPRO_1:4
.= Following ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))) by EXTPRO_1:3
.= Exec (((F4(),F5()) <>0_goto 2),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))) by A11, I1, SCMPDS_6:22 ;
Shift (F3(),2) c= while<>0 (F4(),F5(),F3()) by Lm11;
then Shift (F3(),2) c= (Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))) by A15, XBOOLE_1:1;
then A19: Shift (F3(),2) c= Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1) by AMI_1:81;
A20: DataPart ((Initialize F2()) +* (stop F3())) = DataPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) by COMPOS_1:138, FUNCT_7:134;
now
let a be Int_position ; :: thesis: ((Initialize F2()) +* (stop F3())) . a = (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)) . a
thus ((Initialize F2()) +* (stop F3())) . a = ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) . a by A20, SCMPDS_4:23
.= (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)) . a by A18, SCMPDS_2:67 ; :: thesis: verum
end;
then A21: DataPart ((Initialize F2()) +* (stop F3())) = DataPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)) by SCMPDS_4:23;
((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) . (DataLoc ((((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) . F4()),F5())) = ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) . (DataLoc ((F2() . F4()),F5())) by SCMPDS_5:19
.= F2() . (DataLoc ((F2() . F4()),F5())) by SCMPDS_5:19 ;
then A22: IC (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)) = ICplusConst (((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),2) by A2, A18, SCMPDS_2:67
.= 0 + 2 by A10, SCMPDS_6:23 ;
then A23: IC (Comput ((ProgramPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1))),(Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)),(LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))))) = (card F3()) + 2 by A1, A6, A9, A7, A21, A19, SCMPDS_7:36;
Y: (ProgramPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1)))) /. (IC (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1)))) = (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1))) . (IC (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1)))) by COMPOS_1:38;
ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) = ProgramPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)) by AMI_1:123;
then A24: Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1)) = Comput ((ProgramPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1))),(Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)),(LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3()))))) by EXTPRO_1:5;
then A25: CurInstr ((ProgramPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1)))),(Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1)))) = (Comput ((ProgramPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1))),(Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)),(LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))))) . ((card F3()) + 2) by A1, A6, A9, A7, A22, A21, A19, Y, SCMPDS_7:36
.= (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)) . ((card F3()) + 2) by AMI_1:54
.= ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) . ((card F3()) + 2) by AMI_1:54
.= (while<>0 (F4(),F5(),F3())) . ((card F3()) + 2) by A12, A15, GRFUNC_1:8
.= goto (- ((card F3()) + 2)) by Th15 ;
T: ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) = ProgramPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1))) by AMI_1:123;
A26: Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),(((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1) + 1)) = Following ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),(Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1)))) by EXTPRO_1:4
.= Exec ((goto (- ((card F3()) + 2))),(Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1)))) by A25, T ;
then IC (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),(((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1) + 1))) = ICplusConst ((Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1))),(0 - ((card F3()) + 2))) by SCMPDS_2:66
.= 0 by A23, A24, SCMPDS_7:1 ;
then A27: IC ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))) = IC (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 2))) by SCMPDS_6:21;
A28: DataPart (Comput ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())),(LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))))) = DataPart (Comput ((ProgramPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1))),(Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)),(LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))))) by A1, A6, A9, A7, A22, A21, A19, SCMPDS_7:36;
now
let x be Int_position ; :: thesis: (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),(((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1) + 1))) . x = ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))) . x
A29: not x in dom (Initialize (stop (while<>0 (F4(),F5(),F3())))) by SCMPDS_4:31;
A30: not x in dom (F2() | NAT) by A14, SCMPDS_2:53;
(Comput ((ProgramPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1))),(Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)),(LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))))) . x = (Comput ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())),(LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))))) . x by A28, SCMPDS_4:23
.= (Result ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) . x by A8, EXTPRO_1:23
.= (IExec (F3(),F2())) . x by A13, A30, FUNCT_4:12 ;
hence (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),(((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1) + 1))) . x = (IExec (F3(),F2())) . x by A24, A26, SCMPDS_2:66
.= ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))) . x by A29, I3, FUNCT_4:12 ;
:: thesis: verum
end;
then A31: DataPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),(((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 1) + 1))) = DataPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))) by SCMPDS_4:23;
set m0 = LifeSpan ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))));
A32: dom (ProgramPart F2()) = (dom F2()) /\ NAT by RELAT_1:90
.= (({(IC SCMPDS)} \/ SCM-Data-Loc) \/ NAT) /\ NAT by SCMPDS_4:19
.= NAT by XBOOLE_1:21 ;
A33: (IExec (F3(),F2())) | NAT = ((Result ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) +* (ProgramPart F2())) | NAT by SCMPDS_4:def 8
.= ProgramPart F2() by A32, FUNCT_4:24 ;
A34: P1[ Dstate F2()] by A4;
( while<>0 (F4(),F5(),F3()) is_closed_on F2() & while<>0 (F4(),F5(),F3()) is_halting_on F2() ) from SCPINVAR:sch 3(A1, A16, A34, A17);
then A35: ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) halts_on (Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))) by SCMPDS_6:def 3;
deffunc H2( State of SCMPDS) -> Element of NAT = H1($1);
set Es = IExec (F3(),F2());
set bj = DataLoc (((IExec (F3(),F2())) . F4()),F5());
A36: (IExec (F3(),F2())) . F4() = F2() . F4() by A2, A4, A5;
then A37: for t being State of SCMPDS st P1[ Dstate t] & H2( Dstate t) = 0 holds
t . (DataLoc (((IExec (F3(),F2())) . F4()),F5())) = 0 by A3;
A38: for t being State of SCMPDS st P1[ Dstate t] & t . F4() = (IExec (F3(),F2())) . F4() & t . (DataLoc (((IExec (F3(),F2())) . F4()),F5())) <> 0 holds
( (IExec (F3(),t)) . F4() = t . F4() & F3() is_closed_on t & F3() is_halting_on t & H2( Dstate (IExec (F3(),t))) < H2( Dstate t) & P1[ Dstate (IExec (F3(),t))] ) by A5, A36;
A39: P1[ Dstate (IExec (F3(),F2()))] by A2, A4, A5;
( while<>0 (F4(),F5(),F3()) is_closed_on IExec (F3(),F2()) & while<>0 (F4(),F5(),F3()) is_halting_on IExec (F3(),F2()) ) from SCPINVAR:sch 3(A1, A37, A39, A38);
then A40: ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))) halts_on (Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))) by SCMPDS_6:def 3;
NX: ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) = ProgramPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 2))) by AMI_1:123;
ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))) = ProgramPart (((Result ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) +* (ProgramPart F2())) +* (Initialize (stop (while<>0 (F4(),F5(),F3()))))) by I3, SCMPDS_4:def 8
.= (ProgramPart ((Result ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) +* (ProgramPart F2()))) +* (ProgramPart (Initialize (stop (while<>0 (F4(),F5(),F3()))))) by FUNCT_4:75
.= (ProgramPart F2()) +* (ProgramPart (Initialize (stop (while<>0 (F4(),F5(),F3()))))) by A32, FUNCT_4:24
.= ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) by I1, FUNCT_4:75
.= ProgramPart (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 2))) by AMI_1:123 ;
then A41: Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 2)) = (Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))) by A31, A27, SCMPDS_7:7;
then CurInstr ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),(Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 2)))) = (F4(),F5()) <>0_goto 2 by A11, NX, I3, SCMPDS_6:22;
then LifeSpan ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))) > (LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 2 by A35, SCMPDS_6:2, SCMPDS_6:29;
then consider nn being Nat such that
A42: LifeSpan ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))) = ((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 2) + nn by NAT_1:10;
reconsider nn = nn as Element of NAT by ORDINAL1:def 13;
T: ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) = ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))) by A41, AMI_1:123;
then Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),(((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 2) + (LifeSpan ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))))))) = Comput ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))),(LifeSpan ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))))) by A41, EXTPRO_1:5;
then CurInstr ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),(Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),(((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 2) + (LifeSpan ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))))))))) = halt SCMPDS by A40, T, EXTPRO_1:def 14;
then ((LifeSpan ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) + 2) + (LifeSpan ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))))) >= LifeSpan ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))) by A35, EXTPRO_1:def 14;
then A43: LifeSpan ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))) >= nn by A42, XREAL_1:8;
A44: Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),(LifeSpan ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))))) = Comput ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))),nn) by A41, A42, T, EXTPRO_1:5;
then CurInstr ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),(Comput ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))),nn))) = halt SCMPDS by A35, T, EXTPRO_1:def 14;
then nn >= LifeSpan ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))) by A40, EXTPRO_1:def 14;
then nn = LifeSpan ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))) by A43, XXREAL_0:1;
then Result ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))) = Comput ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))),(LifeSpan ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))))) by A35, A44, EXTPRO_1:23;
hence IExec ((while<>0 (F4(),F5(),F3())),F2()) = (Comput ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))),(LifeSpan ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))))))) +* (ProgramPart F2()) by SCMPDS_4:def 8
.= (Result ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))))) +* ((IExec (F3(),F2())) | NAT) by A40, A33, EXTPRO_1:23
.= IExec ((while<>0 (F4(),F5(),F3())),(IExec (F3(),F2()))) by SCMPDS_4:def 8 ;
:: thesis: verum