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Proof step 254 from proof inv-truncate (previous step)

# buf-opt.buf = VFS_PAGE_SIZE, fs[ri[inodekey(m0)]].nlink = 0 ∧ m0 ≠ ROOT_INO ↔ inodekey(m0) ∈ ro, VFS_PAGE_SIZE = n0 + m4 % VFS_PAGE_SIZE, fs[ri[inodekey(m0)]].inode?, ro.inodes?, fo.inodes?, buf-opt.some?, 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), ri[inodekey(m0)] ∈ fs, inodekey(m0) ∈ ri, m4 ≤ n ⊦ m4 % VFS_PAGE_SIZE = 0, fs[ri[inodekey(m0)]].directory, ∃ err0. ⌊err0⌋

Heuristic quantifier closing applied rule exists right

And closed the goal!

Rule argument

pos: right 3 terms: ECOMMIT

Additional information

Used simplifier rules: ⊦ ⌊ECOMMIT⌋ ; (s) Used terms: ECOMMIT