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Proof step 29 from proof inv-write-inode (previous step)

fs0[ri[inodekey(m)]].nlink = 0 ∧ m ≠ ROOT_INO ↔ inodekey(m) ∈ ro, adr = adr1, fs = fs0[adr1, inodenode(inodekey(m), md, boolvar0, fs0[ri[inodekey(m)]].nlink, fs0[ri[inodekey(m)]].nsubdirs, m2)], key = inodekey(m), log = log0 + adr1 ', fs0[ri[inodekey(m)]].inode?, ro.inodes?, fo.inodes?, file-node-cons(fs0, ri), log-cons(log0, fs0), orphans-cons(fs0, ri, ro), replay-cons-strong(fs0, ri, ro, fi, fo, log0), ri-inj(ri), ri-inj(fi), ubifs-cons(fs0, ri, ro, fi, fo, log0), inodekey(m) ∈ ri, ri[inodekey(m)] ∈ fs0, ¬ fs0[ri[inodekey(m)]].directory ∧ ¬ boolvar0 ∨ fs0[ri[inodekey(m)]].directory ∧ boolvar0 ∧ m2 = fs0[ri[inodekey(m)]].size ⊦ adr1 ∈ fs0, ubifs-cons(fs, ri[key, adr], ro, fi, fo, log0 + adr1 ') ∧ replay-cons-strong(fs, ri[key, adr], ro, fi, fo, log0 + adr1 ') ∧ file-node-cons(fs, ri[key, adr]) ∧ orphans-cons(fs, ri[key, adr], ro)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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