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Proof step 851 from proof inv-truncate (previous step)

boolvar1 ↔ boolvar, fs[ri[inodekey(m)]].nlink = 0 ∧ m ≠ ROOT_INO ↔ inodekey(m) ∈ ro, inode = mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, fs[ri[inodekey(m)]].nsubdirs, m2), pageno1 = m2 / VFS_PAGE_SIZE, 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), inodekey(m) ∈ ri, buf-opt.some? → # buf-opt.buf = VFS_PAGE_SIZE ⊦ VFS_PAGE_SIZE = 0, fs[ri[inodekey(m)]].directory, ∃ adr1, adr0, adr, boolvar. true

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ VFS_PAGE_SIZE ≠ 0; (s)