set WHL = while<>0 (F4(),F5(),F3());
set s1 = (Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())));
set ps = ProgramPart F2();
A6: (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())))));
A7: (Initialize F2()) +* (stop F3()) = F2() +* (Initialize (stop F3())) by COMPOS_1:125;
A8: (Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))) = (IExec (F3(),F2())) +* (Initialize (stop (while<>0 (F4(),F5(),F3())))) by COMPOS_1:125;
A9: Initialize (stop F3()) c= (Initialize F2()) +* (stop F3()) by A7, FUNCT_4:26;
F3() is_closed_on F2() by A2, A4, A5;
then A10: F3() is_closed_on (Initialize F2()) +* (stop F3()) by SCMPDS_6:38;
F3() is_halting_on F2() by A2, A4, A5;
then A11: ProgramPart ((Initialize F2()) +* (stop F3())) halts_on (Initialize F2()) +* (stop F3()) by SCMPDS_6:def 3;
A12: (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 A9, A12, FUNCT_4:79;
then ProgramPart ((Initialize ((Initialize F2()) +* (stop F3()))) +* (stop F3())) halts_on (Initialize ((Initialize F2()) +* (stop F3()))) +* (stop F3()) by A11;
then A13: 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());
A14: 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;
A15: 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 A16: (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));
A17: IExec (F3(),F2()) = (Result ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) +* (F2() | NAT) by SCMPDS_4:def 8;
A18: 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 A6, FUNCT_4:26, SCMPDS_6:17;
then A19: 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);
A20: for t being State of SCMPDS st P1[ Dstate t] & H1( Dstate t) = 0 holds
t . (DataLoc ((F2() . F4()),F5())) = 0 by A3;
A21: 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;
A22: 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 A15, A6, 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 A19, XBOOLE_1:1;
then A23: 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;
A24: 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 A24, SCMPDS_4:23
.= (Comput ((ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))),1)) . a by A22, SCMPDS_2:67 ; :: thesis: verum
end;
then A25: 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 A26: 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, A22, SCMPDS_2:67
.= 0 + 2 by A14, SCMPDS_6:23 ;
then A27: 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, A9, A13, A10, A25, A23, SCMPDS_7:36;
A28: (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 A29: 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 A30: 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, A9, A13, A10, A26, A25, A23, A28, 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 A16, A19, GRFUNC_1:8
.= goto (- ((card F3()) + 2)) by Th15 ;
A31: 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;
A32: 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 A30, A31 ;
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 A27, A29, SCMPDS_7:1 ;
then A33: 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;
A34: 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, A9, A13, A10, A26, A25, A23, 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
A35: not x in dom (Initialize (stop (while<>0 (F4(),F5(),F3())))) by SCMPDS_4:31;
A36: not x in dom (F2() | NAT) by A18, 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 A34, SCMPDS_4:23
.= (Result ((ProgramPart ((Initialize F2()) +* (stop F3()))),((Initialize F2()) +* (stop F3())))) . x by A11, EXTPRO_1:23
.= (IExec (F3(),F2())) . x by A17, A36, 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 A29, A32, SCMPDS_2:66
.= ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))) . x by A35, A8, FUNCT_4:12 ;
:: thesis: verum
end;
then A37: 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())))));
A38: dom (ProgramPart F2()) = (dom F2()) /\ NAT by RELAT_1:90
.= (({(IC )} \/ SCM-Data-Loc) \/ NAT) /\ NAT by SCMPDS_4:19
.= NAT by XBOOLE_1:21 ;
A39: (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 A38, FUNCT_4:24 ;
A40: 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, A20, A40, A21);
then A41: 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());
A42: (IExec (F3(),F2())) . F4() = F2() . F4() by A2, A4, A5;
then A43: 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;
A44: 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, A42;
A45: 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, A43, A45, A44);
then A46: 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;
A47: 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 A8, 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 A38, FUNCT_4:24
.= ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) by A6, 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 A48: 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 A37, A33, 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 A15, A47, A8, 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 A41, SCMPDS_6:2, SCMPDS_6:29;
then consider nn being Nat such that
A49: 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;
A50: ProgramPart ((Initialize F2()) +* (stop (while<>0 (F4(),F5(),F3())))) = ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3())))) by A48, 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 A48, 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 A46, A50, 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 A41, EXTPRO_1:def 14;
then A51: LifeSpan ((ProgramPart ((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))),((Initialize (IExec (F3(),F2()))) +* (stop (while<>0 (F4(),F5(),F3()))))) >= nn by A49, XREAL_1:8;
A52: 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 A48, A49, A50, 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 A41, A50, 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 A46, 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 A51, 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 A41, A52, 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 A46, A39, EXTPRO_1:23
.= IExec ((while<>0 (F4(),F5(),F3())),(IExec (F3(),F2()))) by SCMPDS_4:def 8 ;
:: thesis: verum