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Proof step 10 from proof inv-open (previous step)

err = ESUCCESS, err0 = err1, fid = root[path].fid, root.dir?, fids-cons(root, fs, ofh), pre-open(path, mode, err, user, root, fs, ofh) ⊦ ⟪fd := n⟫ fids-cons(root, fs, ofh[n, mkfh(fid, mode, 0)]), n ∈ ofh

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 11:
err = ESUCCESS, err0 = err1, fid = root[path].fid, root.dir?, fids-cons(root, fs, ofh), pre-open(path, mode, err, user, root, fs, ofh) ⊦ fids-cons(root, fs, ofh[n, mkfh(fid, mode, 0)]), n ∈ ofh

Proof step 10 from proof inv-open (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information