let s be State of SCMPDS; :: thesis: for I being halt-free parahalting shiftable Program of SCMPDS
for a being Int_position
for k1 being Integer holds IC (IExec ((if<0 (a,k1,I)),s)) = (card I) + 1

let I be halt-free parahalting shiftable Program of SCMPDS; :: thesis: for a being Int_position
for k1 being Integer holds IC (IExec ((if<0 (a,k1,I)),s)) = (card I) + 1

let a be Int_position ; :: thesis: for k1 being Integer holds IC (IExec ((if<0 (a,k1,I)),s)) = (card I) + 1
let k1 be Integer; :: thesis: IC (IExec ((if<0 (a,k1,I)),s)) = (card I) + 1
set IF = if<0 (a,k1,I);
A1: ( I is_closed_on s & I is_halting_on s ) by Th34, Th35;
per cases ( s . (DataLoc ((s . a),k1)) < 0 or s . (DataLoc ((s . a),k1)) >= 0 ) ;
suppose s . (DataLoc ((s . a),k1)) < 0 ; :: thesis: IC (IExec ((if<0 (a,k1,I)),s)) = (card I) + 1
then IExec ((if<0 (a,k1,I)),s) = (IExec (I,s)) +* (Start-At (((card I) + 1),SCMPDS)) by A1, Th124;
hence IC (IExec ((if<0 (a,k1,I)),s)) = (card I) + 1 by FUNCT_4:121; :: thesis: verum
end;
suppose s . (DataLoc ((s . a),k1)) >= 0 ; :: thesis: IC (IExec ((if<0 (a,k1,I)),s)) = (card I) + 1
then IExec ((if<0 (a,k1,I)),s) = s +* (Start-At (((card I) + 1),SCMPDS)) by Th125;
hence IC (IExec ((if<0 (a,k1,I)),s)) = (card I) + 1 by FUNCT_4:121; :: thesis: verum
end;
end;