theorem
  Exec(Divide(a,k1,a,k1), s).IC SCMPDS = IC s + 1 & Exec(Divide(a,k1,a,
k1), s).DataLoc(s.a,k1) = s.DataLoc(s.a,k1) mod s.DataLoc(s.a,k1) & for c st c
  <> DataLoc(s.a,k1) holds Exec(Divide(a,k1,a,k1),s).c = s.c by Th49;
