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Proof step 51 from proof inv-seek (previous step)

err = ESUCCESS, dom of < ino, afs-cons(dirs, files), of-cons(of, dirs, files), fd ∈ of ⊦ ⟪of[fd].pos := n⟫ (of-cons(of, dirs, files) ∧ dom of < ino), whence = SEEK_CUR, whence = SEEK_END

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 52:
err = ESUCCESS, dom of < ino, afs-cons(dirs, files), of-cons(of, dirs, files), fd ∈ of ⊦ whence = SEEK_END, whence = SEEK_CUR, of-cons(of[fd, of[fd].pos:= n], dirs, files) ∧ dom of[fd, of[fd].pos:= n] < ino

Proof step 51 from proof inv-seek (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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