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Proof step 23 from proof refine-lookup (previous step)

boolvar ↔ dentrykey(p_ino, old_dent.name) ∈ ri, boolvar, dent = mkdentry(dent0.name, fs[ri[dentrykey(p_ino, old_dent.name)]].ino), dent0 = old_dent, err = ESUCCESS, err2 = err0, err2 = ESUCCESS, fs[ri[dentrykey(p_ino, old_dent.name)]].dentry?, fs[ri[inodekey(p_ino)]].directory, fo.inodes?, orphans(fs, ri).inodes?, afs-cons(abs-dirs(fs, ri), abs-files(fs, ri)), file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, orphans(fs, ri)), replay-cons-strong(fs, ri, orphans(fs, ri), fi, fo, log), ri-inj(fi), ri-inj(ri), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), inodekey(p_ino) ∈ ri, ri[dentrykey(p_ino, old_dent.name)] ∈ fs, dentrykey(p_ino, old_dent.name) ∈ ri, asynced → boolvar1, links(p_ino, abs-dirs(fs, ri)) ≠ ∅ ∨ p_ino = ROOT_INO, fs[ri[inodekey(p_ino)]].nlink ≠ 0 ∨ p_ino = ROOT_INO, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟨afs_lookup#(p_ino, abs-dirs(fs, ri), abs-files(fs, ri), asynced; old_dent, err1)⟩ ((asynced → boolvar1) ∧ dent = old_dent ∧ err = err1)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 24:
dent = mkdentry(old_dent.name, fs[ri[dentrykey(p_ino, old_dent.name)]].ino), fs[ri[dentrykey(p_ino, old_dent.name)]].dentry?, fs[ri[inodekey(p_ino)]].directory, orphans(fs, ri).inodes?, fo.inodes?, afs-cons(abs-dirs(fs, ri), abs-files(fs, ri)), file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, orphans(fs, ri)), replay-cons-strong(fs, ri, orphans(fs, ri), fi, fo, log), ri-inj(ri), ri-inj(fi), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), dentrykey(p_ino, old_dent.name) ∈ ri, ri[dentrykey(p_ino, old_dent.name)] ∈ fs, inodekey(p_ino) ∈ ri, asynced → boolvar1, fs[ri[inodekey(p_ino)]].nlink ≠ 0 ∨ p_ino = ROOT_INO, links(p_ino, abs-dirs(fs, ri)) ≠ ∅ ∨ p_ino = ROOT_INO ⊦ ⟨afs_lookup#(p_ino, abs-dirs(fs, ri), abs-files(fs, ri), asynced; old_dent, err1)⟩ ((asynced → boolvar1) ∧ dent = old_dent ∧ ESUCCESS = err1)

Rule argument

Additional information

Used simplifier rules: ubifs-parent-in: ⊦ dentrykey(ino, str) ∈ ri ∧ ubifs-cons(fs, ri, ro, fi, fo, log) → inodekey(ino) ∈ ri; (forward) from specification aubifs-inv% ⊦ ¬ ⌊ESUCCESS⌋ ; (s)