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Proof step 22 from proof inv-link (previous step)

fs[ri[dentrykey(ino, str)]].ino = fs[ri[dentrykey(ino0, str)]].ino, adr4 = adr1, m = fs[ri[dentrykey(ino0, str)]].ino, m0 = fs[ri[inodekey(fs[ri[dentrykey(ino0, str)]].ino)]].nlink, m1 = fs[ri[inodekey(fs[ri[dentrykey(ino0, str)]].ino)]].nsubdirs, m4 = fs[ri[inodekey(m3)]].nlink, m5 = fs[ri[inodekey(m3)]].nsubdirs, m6 = fs[ri[inodekey(m3)]].size, nd = inodenode(inodekey(m), md, false, m0 + 1, m1, m2), nd0 = dentrynode(dentrykey(m3, str0), m), nd1 = inodenode(inodekey(m3), md0, true, m4, m5, m6 + 1), fs[ri[dentrykey(ino0, str)]].dentry?, fs[ri[inodekey(ino0)]].directory, fs[ri[inodekey(m3)]].directory, fs[ri[inodekey(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), dentrykey(ino0, str) ∈ ri, inodekey(m3) ∈ ri, inodekey(fs[ri[dentrykey(ino0, str)]].ino) ∈ ri, ri[dentrykey(ino0, str)] ∈ fs, inodekey(ino) ∈ ri, dentrykey(ino, str) ∈ ri, inodekey(ino0) ∈ ri, fs[ri[inodekey(ino0)]].nlink ≠ 0 ∨ ino0 = ROOT_INO, fs[ri[inodekey(m3)]].nlink ≠ 0 ∨ m3 = ROOT_INO, fs[ri[inodekey(ino)]].nlink ≠ 0 ∨ ino = ROOT_INO ⊦ ⟪if ri-cons(ri, fs) ∧ node-cons(nd1.key, nd1) ∧ node-cons(nd0.key, nd0) ∧ node-cons(nd.key, nd) then { choose adr1, adr2, adr3 with new(adr1 ' + (adr2 ' + adr3), fs) ∧ ¬ dups(adr1 ' + adr2 ' + adr3 ') in {adr4 := adr1, adr0 := adr2, adr := adr3; fs := fs[adr4, nd1][adr0, nd0][adr, nd], log := ((log + adr4) + adr0) + adr, err := ESUCCESS} ifnone err := ENOSPC or {fail#(; ; err); adr4 := ?, adr0 := ?, adr := ?}; boolvar := ?} else abort; if err = ESUCCESS then {aubifs_core_index_store#(inodekey(m3), adr4, fi, ro, fo, fs, log, boolvar; ri); aubifs_core_index_store#(dentrykey(m3, str0), adr0, fi, ro, fo, fs, log, boolvar; ri); aubifs_core_index_store#(inodekey(m), adr, fi, ro, fo, fs, log, boolvar; ri); new_dent := mkdentry(str0, m); p_inode0 := mkinode (m3, inodenode(inodekey(m3), md0, true, m4, m5, m6 + 1).meta, inodenode(inodekey(m3), md0, true, m4, m5, m6 + 1).directory, inodenode(inodekey(m3), md0, true, m4, m5, m6 + 1).nlink, inodenode(inodekey(m3), md0, true, m4, m5, m6 + 1).nsubdirs, inodenode(inodekey(m3), md0, true, m4, m5, m6 + 1).size); c_inode0 := mkinode (m, inodenode(inodekey(m), md, false, m0 + 1, m1, m2).meta, inodenode(inodekey(m), md, false, m0 + 1, m1, m2).directory, inodenode(inodekey(m), md, false, m0 + 1, m1, m2).nlink, inodenode(inodekey(m), md, false, m0 + 1, m1, m2).nsubdirs, inodenode(inodekey(m), md, false, m0 + 1, m1, m2).size)}⟫ (ubifs-cons(fs, ri, ro, fi, fo, log) ∧ replay-cons-strong(fs, ri, ro, fi, fo, log) ∧ file-node-cons(fs, ri) ∧ orphans-cons(fs, ri, ro)), fs[ri[inodekey(fs[ri[dentrykey(ino0, str)]].ino)]].directory, inodekey(ino) ∈ ro, inodekey(fs[ri[dentrykey(ino0, str)]].ino) ∈ ro, dentrykey(m3, str0) ∈ ri, inodekey(m3) ∈ ro, inodekey(ino0) ∈ ro

Heuristic conditional right split applied rule if right

And obtained the following new goals

Rule argument

pos: right 1

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