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Proof step 29 from proof inv-unlink (previous step)

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

Heuristic symbolic execution applied rule skip right

And obtained the following new goals

Proof step 30:
err0 = err1, root.dir?, fids-cons(root, fs, ofh), pre-unlink(path, err, user, root, fs, ofh) ⊦ ⟪psynced := ?⟫ (root.dir? ∧ fids-cons(root, fs, ofh)), err = ESUCCESS

Proof step 29 from proof inv-unlink (previous step)

Heuristic symbolic execution applied rule skip right

And obtained the following new goals

Rule argument

Additional information