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Proof step 47 from proof inv-rename-new-keep-parent (previous step)

fs0[ri0[dentrykey(m, str)]] = dentrynode(key0, m0), fs0[ri0[inodekey(m)]] = inodenode(key1, md0, true, m4, m5, m6), adr = adr3, fs = fs0[adr1, dentrynode(dentrykey(m, str), 0)][adr2, dentrynode(dentrykey(m, str0), m0)][adr3, inodenode(inodekey(m), md, true, m4, m5, m6)], key = inodekey(m), log = ((log0 + adr1 ') + adr2 ') + adr3 ', ri = (ri0 -- dentrykey(m, str))[dentrykey(m, str0), adr2], mkdentry(str, m0).dentry?, ro.inodes?, fo.inodes?, file-node-cons(fs0, ri0), key-cons(key, fs[adr]), log-cons(log0, fs0), orphans-cons(fs0, ri0, ro), replay-cons-strong(fs0, ri0, ro, fi, fo, log0), ri-inj(ri0), ri-inj(fi), ubifs-cons(fs0, ri0, ro, fi, fo, log0), adr ∈ fs, ri0[inodekey(m)] ∈ fs0, inodekey(m) ∈ ri0, ri0[dentrykey(m, str)] ∈ fs0, inodekey(m0) ∈ ri0, dentrykey(m, str) ∈ ri0, 1 ≤ m6, ¬ adr ∈ ri → adr ∈ fs → adr ∈ fs, boolvar2 → 1 ≤ m5, ¬ fs0[ri0[inodekey(m0)]].directory ∧ ¬ boolvar2 ∧ m1 = fs0[ri0[inodekey(m0)]].nlink ∧ m2 = fs0[ri0[inodekey(m0)]].nsubdirs ∨ fs0[ri0[inodekey(m0)]].directory ∧ boolvar2 ∧ m1 = fs0[ri0[inodekey(m0)]].nlink ∧ m2 = fs0[ri0[inodekey(m0)]].nsubdirs ∧ m3 = fs0[ri0[inodekey(m0)]].size, m4 ≠ 0 ∨ m = ROOT_INO ⊦ ⟪old_dent := negdentry(str); parent_inode0 := mkinode (m, inodenode(inodekey(m), md, true, m4, m5, m6).meta, inodenode(inodekey(m), md, true, m4, m5, m6).directory, inodenode(inodekey(m), md, true, m4, m5, m6).nlink, inodenode(inodekey(m), md, true, m4, m5, m6).nsubdirs, inodenode(inodekey(m), md, true, m4, m5, m6).size)⟫ ( ubifs-cons (fs0[adr1, dentrynode(dentrykey(m, str), 0)][adr2, dentrynode(dentrykey(m, str0), m0)][adr3, inodenode(inodekey(m), md, true, m4, m5, m6)], ri[key, adr], ro, fi, fo, ((log0 + adr1 ') + adr2 ') + adr3 ') ∧ replay-cons-strong (fs0[adr1, dentrynode(dentrykey(m, str), 0)][adr2, dentrynode(dentrykey(m, str0), m0)][adr3, inodenode(inodekey(m), md, true, m4, m5, m6)], ri[key, adr], ro, fi, fo, ((log0 + adr1 ') + adr2 ') + adr3 ') ∧ file-node-cons (fs0[adr1, dentrynode(dentrykey(m, str), 0)][adr2, dentrynode(dentrykey(m, str0), m0)][adr3, inodenode(inodekey(m), md, true, m4, m5, m6)], ri[key, adr]) ∧ orphans-cons (fs0[adr1, dentrynode(dentrykey(m, str), 0)][adr2, dentrynode(dentrykey(m, str0), m0)][adr3, inodenode(inodekey(m), md, true, m4, m5, m6)], ri[key, adr], ro)), adr1 = adr2, adr1 = adr3, adr2 = adr3, m6 = 0, adr2 ∈ ri0 -- dentrykey(m, str), adr3 ∈ fs0, adr2 ∈ fs0, adr1 ∈ fs0, dentrykey(m, str0) ∈ ri0, inodekey(m) ∈ ro, adr ∈ ri

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 48:
fs0[ri0[inodekey(m)]] = inodenode(key1, md0, true, m4, m5, m6), fs0[ri0[dentrykey(m, str)]] = dentrynode(key0, m0), adr = adr3, fs = fs0[adr1, dentrynode(dentrykey(m, str), 0)][adr2, dentrynode(dentrykey(m, str0), m0)][adr3, inodenode(inodekey(m), md, true, m4, m5, m6)], key = inodekey(m), log = ((log0 + adr1 ') + adr2 ') + adr3 ', ri = (ri0 -- dentrykey(m, str))[dentrykey(m, str0), adr2], mkdentry(str, m0).dentry?, fo.inodes?, ro.inodes?, file-node-cons(fs0, ri0), key-cons(key, fs[adr]), log-cons(log0, fs0), orphans-cons(fs0, ri0, ro), replay-cons-strong(fs0, ri0, ro, fi, fo, log0), ri-inj(fi), ri-inj(ri0), ubifs-cons(fs0, ri0, ro, fi, fo, log0), dentrykey(m, str) ∈ ri0, inodekey(m0) ∈ ri0, ri0[dentrykey(m, str)] ∈ fs0, inodekey(m) ∈ ri0, ri0[inodekey(m)] ∈ fs0, adr ∈ fs, 1 ≤ m6, boolvar2 → 1 ≤ m5, ¬ adr ∈ ri → adr ∈ fs → adr ∈ fs, m4 ≠ 0 ∨ m = ROOT_INO, ¬ fs0[ri0[inodekey(m0)]].directory ∧ ¬ boolvar2 ∧ m1 = fs0[ri0[inodekey(m0)]].nlink ∧ m2 = fs0[ri0[inodekey(m0)]].nsubdirs ∨ fs0[ri0[inodekey(m0)]].directory ∧ boolvar2 ∧ m1 = fs0[ri0[inodekey(m0)]].nlink ∧ m2 = fs0[ri0[inodekey(m0)]].nsubdirs ∧ m3 = fs0[ri0[inodekey(m0)]].size ⊦ ⟪parent_inode0 := mkinode (m, inodenode(inodekey(m), md, true, m4, m5, m6).meta, inodenode(inodekey(m), md, true, m4, m5, m6).directory, inodenode(inodekey(m), md, true, m4, m5, m6).nlink, inodenode(inodekey(m), md, true, m4, m5, m6).nsubdirs, inodenode(inodekey(m), md, true, m4, m5, m6).size)⟫ ( ubifs-cons (fs0[adr1, dentrynode(dentrykey(m, str), 0)][adr2, dentrynode(dentrykey(m, str0), m0)][adr3, inodenode(inodekey(m), md, true, m4, m5, m6)], ri[key, adr], ro, fi, fo, ((log0 + adr1 ') + adr2 ') + adr3 ') ∧ replay-cons-strong (fs0[adr1, dentrynode(dentrykey(m, str), 0)][adr2, dentrynode(dentrykey(m, str0), m0)][adr3, inodenode(inodekey(m), md, true, m4, m5, m6)], ri[key, adr], ro, fi, fo, ((log0 + adr1 ') + adr2 ') + adr3 ') ∧ file-node-cons (fs0[adr1, dentrynode(dentrykey(m, str), 0)][adr2, dentrynode(dentrykey(m, str0), m0)][adr3, inodenode(inodekey(m), md, true, m4, m5, m6)], ri[key, adr]) ∧ orphans-cons (fs0[adr1, dentrynode(dentrykey(m, str), 0)][adr2, dentrynode(dentrykey(m, str0), m0)][adr3, inodenode(inodekey(m), md, true, m4, m5, m6)], ri[key, adr], ro)), adr1 = adr3, adr1 = adr2, adr2 = adr3, m6 = 0, adr ∈ ri, inodekey(m) ∈ ro, dentrykey(m, str0) ∈ ri0, adr1 ∈ fs0, adr2 ∈ fs0, adr3 ∈ fs0, adr2 ∈ ri0 -- dentrykey(m, str)

Proof step 47 from proof inv-rename-new-keep-parent (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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