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Proof step 7 from proof inv-rmdir (previous step)

err = ESUCCESS, err0 = err1, root.dir?, fids-cons(root, fs, ofh), pre-rmdir(path, err, user, root, fs, ofh) ⊦ ⟪psynced := ?⟫ ((root -- path).dir? ∧ fids-cons(root -- path, fs, ofh))

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 8:
err = ESUCCESS, err0 = err1, root.dir?, fids-cons(root, fs, ofh), pre-rmdir(path, err, user, root, fs, ofh) ⊦ (root -- path).dir? ∧ fids-cons(root -- path, fs, ofh)

Proof step 7 from proof inv-rmdir (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information