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Proof step 25 from proof inv-lookup (previous step)

boolvar ↔ dentrykey(p_ino, dent.name) ∈ ri, ¬ boolvar, err = err0, err = ESUCCESS, fs[ri[inodekey(p_ino)]].directory, ro.inodes?, fo.inodes?, file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, ro), replay-cons-strong(fs, ri, ro, fi, fo, log), ri-inj(ri), ri-inj(fi), ubifs-cons(fs, ri, ro, fi, fo, log), inodekey(p_ino) ∈ ri, fs[ri[inodekey(p_ino)]].nlink ≠ 0 ∨ p_ino = ROOT_INO, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪dent := negdentry(dent.name), err := ENOENT⟫ true, inodekey(p_ino) ∈ ro

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

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