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Proof step 45 from proof inv-write-inode (previous step)

fs0[ri[inodekey(m)]].nlink = 0 ∧ m ≠ ROOT_INO ↔ inodekey(m) ∈ ro, fs0[ri[dentrykey(ino, str)]] = dentrynode(key, m0), key = dentrykey(ino, str), fs0[ri[dentrykey(ino, str)]].dentry?, fs0[ri[inodekey(ino)]].directory, fs0[ri[inodekey(m)]].inode?, fo.inodes?, ro.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(fi), ri-inj(ri), ubifs-cons(fs0, ri, ro, fi, fo, log0), inodekey(ino) ∈ ri, inodekey(m0) ∈ ri, dentrykey(ino, str) ∈ ri, ri[dentrykey(ino, str)] ∈ fs0, ri[inodekey(m)] ∈ fs0, inodekey(m) ∈ ri, ¬ fs0[ri[inodekey(m)]].directory ∧ ¬ boolvar0 ∨ fs0[ri[inodekey(m)]].directory ∧ boolvar0 ∧ m2 = fs0[ri[inodekey(m)]].size ⊦ 0 = m, ino = 0, (adr1 = (m = ino ⊃ adr1;ri[inodekey(ino)]) ⊃ inodenode(inodekey(m), md, boolvar0, fs0[ri[inodekey(m)]].nlink, fs0[ri[inodekey(m)]].nsubdirs, m2) ;fs0[(m = ino ⊃ adr1;ri[inodekey(ino)])] ) .directory, inodekey(ino) ∈ ro, inodekey(m0) ∈ ro, adr1 ∈ fs0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: ⊦ dentrynode(key, m).dentry?; (s)