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Proof step 27 from proof initialization (previous step)

⌊err0⌋ ⊦ ⟪err := err0⟫ ( ( err = ESUCCESS → ⟨posix_format#(n, isdir0, LEB_SIZE, md; ; root, fs0, ofh0, psynced, err1)⟩ (ofh0 = ∅ ∧ fs0 = abs-files(files) ∧ abs(root, ROOT_INO)(dirs) ∧ (psynced → asynced) ∧ ESUCCESS = err1)) ∧ ( err ≠ ESUCCESS → (∀ tree, fs, ofh, isdir. ⟨posix_format#(n, isdir0, LEB_SIZE, md; ; root, fs0, ofh0, psynced, err1)⟩ (tree = root ∧ fs = fs0 ∧ ofh = ofh0 ∧ (isdir ↔ psynced) ∧ err = err1))))

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 28:
⌊err0⌋ ⊦ ( err0 = ESUCCESS → ⟨posix_format#(n, isdir0, LEB_SIZE, md; ; root, fs0, ofh0, psynced, err1)⟩ (ofh0 = ∅ ∧ fs0 = abs-files(files) ∧ abs(root, ROOT_INO)(dirs) ∧ (psynced → asynced) ∧ ESUCCESS = err1)) ∧ ( err0 ≠ ESUCCESS → (∀ tree, fs, ofh, isdir. ⟨posix_format#(n, isdir0, LEB_SIZE, md; ; root, fs0, ofh0, psynced, err1)⟩ (tree = root ∧ fs = fs0 ∧ ofh = ofh0 ∧ (isdir ↔ psynced) ∧ err0 = err1)))

Proof step 27 from proof initialization (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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