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Proof step 91 from proof refine-rename-new-reparent (previous step)

fs0[ri0[inodekey(m7)]] = inodenode(key1, md3, true, m5, m6, m8), fs0[ri0[dentrykey(m3, str)]] = dentrynode(key2, m), fs0[ri0[inodekey(m3)]] = inodenode(key0, md2, true, m4, n0 + (boolvar1 ⊃ 1;0), m11 + 1), abs-dirs(fs0, ri0)[m3] = mkdir(m9, md, m10, m12, entries), fo.inodes?, orphans(fs0, ri0).inodes?, afs-cons(abs-dirs(fs0, ri0), abs-files(fs0, ri0)), file-node-cons (fs0[adr1, dentrynode(dentrykey(m3, str), 0)][adr2, dentrynode(dentrykey(m7, str0), m)][adr3, inodenode(inodekey(m3), md0, true, m4, n0, m11)] [adr4, inodenode(inodekey(m7), md1, true, m5, m6 + (boolvar1 ⊃ 1;0), m8 + 1) ], (ri0 -- dentrykey(m3, str))[dentrykey(m7, str0), adr2][inodekey(m3), adr3][inodekey(m7), adr4]), file-node-cons(fs0, ri0), log-cons (log0, fs0[adr1, dentrynode(dentrykey(m3, str), 0)][adr2, dentrynode(dentrykey(m7, str0), m)][adr3, inodenode(inodekey(m3), md0, true, m4, n0, m11)] [adr4, inodenode(inodekey(m7), md1, true, m5, m6 + (boolvar1 ⊃ 1;0), m8 + 1) ]), log-cons(log0, fs0), orphans-cons (fs0[adr1, dentrynode(dentrykey(m3, str), 0)][adr2, dentrynode(dentrykey(m7, str0), m)][adr3, inodenode(inodekey(m3), md0, true, m4, n0, m11)] [adr4, inodenode(inodekey(m7), md1, true, m5, m6 + (boolvar1 ⊃ 1;0), m8 + 1) ], (ri0 -- dentrykey(m3, str))[dentrykey(m7, str0), adr2][inodekey(m3), adr3][inodekey(m7), adr4], orphans(fs0, ri0)), orphans-cons(fs0, ri0, orphans(fs0, ri0)), replay-cons-strong (fs0[adr1, dentrynode(dentrykey(m3, str), 0)][adr2, dentrynode(dentrykey(m7, str0), m)][adr3, inodenode(inodekey(m3), md0, true, m4, n0, m11)] [adr4, inodenode(inodekey(m7), md1, true, m5, m6 + (boolvar1 ⊃ 1;0), m8 + 1) ], (ri0 -- dentrykey(m3, str))[dentrykey(m7, str0), adr2][inodekey(m3), adr3][inodekey(m7), adr4], orphans(fs0, ri0), fi, fo, (((log0 + adr1 ') + adr2 ') + adr3 ') + adr4 '), replay-cons-strong(fs0, ri0, orphans(fs0, ri0), fi, fo, log0), ri-inj((ri0 -- dentrykey(m3, str))[dentrykey(m7, str0), adr2][inodekey(m3), adr3][inodekey(m7), adr4]), ri-inj(fi), ri-inj(ri0), ubifs-cons (fs0[adr1, dentrynode(dentrykey(m3, str), 0)][adr2, dentrynode(dentrykey(m7, str0), m)][adr3, inodenode(inodekey(m3), md0, true, m4, n0, m11)] [adr4, inodenode(inodekey(m7), md1, true, m5, m6 + (boolvar1 ⊃ 1;0), m8 + 1) ], (ri0 -- dentrykey(m3, str))[dentrykey(m7, str0), adr2][inodekey(m3), adr3][inodekey(m7), adr4], orphans(fs0, ri0), fi, fo, (((log0 + adr1 ') + adr2 ') + adr3 ') + adr4 '), ubifs-cons(fs0, ri0, orphans(fs0, ri0), fi, fo, log0), inodekey(m7) ∈ ri0, dentrykey(m3, str) ∈ ri0, inodekey(m) ∈ ri0, inodekey(m3) ∈ ri0, ri0[inodekey(m7)] ∈ fs0, ri0[inodekey(m3)] ∈ fs0, ri0[dentrykey(m3, str)] ∈ fs0, boolvar3 → boolvar0, fs0[ri0[inodekey(m)]].directory ∧ m0 = fs0[ri0[inodekey(m)]].nlink ∧ m2 = fs0[ri0[inodekey(m)]].size ∧ m1 = fs0[ri0[inodekey(m)]].nsubdirs ∧ boolvar1 ∨ ¬ fs0[ri0[inodekey(m)]].directory ∧ m0 = fs0[ri0[inodekey(m)]].nlink ∧ m1 = 0 ∧ ¬ boolvar1, ¬ fs0[ri0[inodekey(m)]].directory ∧ ¬ boolvar1 ∧ m0 = fs0[ri0[inodekey(m)]].nlink ∧ m1 = fs0[ri0[inodekey(m)]].nsubdirs ∨ fs0[ri0[inodekey(m)]].directory ∧ boolvar1 ∧ m0 = fs0[ri0[inodekey(m)]].nlink ∧ m1 = fs0[ri0[inodekey(m)]].nsubdirs ∧ m2 = fs0[ri0[inodekey(m)]].size, links(m7, abs-dirs(fs0, ri0)) ≠ ∅ ∨ m7 = ROOT_INO, links(m3, abs-dirs(fs0, ri0)) ≠ ∅ ∨ m3 = ROOT_INO, m5 ≠ 0 ∨ m7 = ROOT_INO, m4 ≠ 0 ∨ m3 = ROOT_INO ⊦ adr1 = adr4, adr1 = adr3, adr1 = adr2, adr2 = adr4, adr2 = adr3, adr3 = adr4, m3 = 0, m3 = m7, m7 = 0, adr3 ∈ (ri0 -- dentrykey(m3, str))[dentrykey(m7, str0), adr2], dentrykey(m7, str0) ∈ ri0, adr1 ∈ fs0, adr2 ∈ fs0, adr3 ∈ fs0, adr4 ∈ fs0, adr2 ∈ ri0 -- dentrykey(m3, str), adr4 ∈ (ri0 -- dentrykey(m3, str))[dentrykey(m7, str0), adr2][inodekey(m3), adr3], str ∈ entries ∧ m = entries[str] ∧ m4 = m10 ∧ m11 + 1 = m9 ∧ n0 + (boolvar1 ⊃ 1;0) = m12, m4 = 0 ∧ m3 ≠ ROOT_INO, m5 = 0 ∧ m7 ≠ ROOT_INO

Heuristic use patterns applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: aubifs-abs name: at-dirs seq: ⊦ inodekey(ino) ∈ ri ∧ fs[ri[inodekey(ino)]].directory → abs-dirs(fs, ri)[ino] = abs-dir(ino, fs, ri) subst: [ino, ri, fs] → [m3, ri0, fs0] flags: <all paths>

Additional information

Used simplifier rules: ⊦ abs-dir(ino, fs, ri) = mkdir (fs[ri[inodekey(ino)]].size, fs[ri[inodekey(ino)]].meta, fs[ri[inodekey(ino)]].nlink, fs[ri[inodekey(ino)]].nsubdirs, abs-children(ino, fs, ri)); (s)%⊦ mkdir(m, md, m0, m1, entries) = mkdir(m2, md0, m3, m4, entries0) ↔ m = m2 ∧ md = md0 ∧ m0 = m3 ∧ m1 = m4 ∧ entries = entries0; (ws)% ⊦ inodenode(key, md, boolvar, m, m0, m1).directory ↔ boolvar; (s)% ⊦ str ∈ abs-children(ino, fs, ri) ↔ dentrykey(ino, str) ∈ ri; (s)%⊦ dentrykey(ino, str) ∈ ri → abs-children(ino, fs, ri)[str] = fs[ri[dentrykey(ino, str)]].ino; (s)% ⊦ inodenode(key, md, boolvar, m, m0, m1).nlink = m; (s)% ⊦ inodenode(key, md, boolvar, m, m0, m1).size = m1; (s)% ⊦ m + n = m + n0 ↔ n = n0; (s)%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic%c: ⊦ m + n = n + m; from specification nat-basic% ⊦ inodenode(key, md, boolvar, m, m0, m1).nsubdirs = m0; (s)% ⊦ dentrynode(key, m).ino = m; (s)%⊦ dentrykey(ino, str) ∈ ri ∧ ubifs-cons(fs, ri, ro, fi, fo, log) → fs[ri[inodekey(ino)]].directory; (ss) Used terms: m3, ri0, fs0