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Proof step 1487 from proof refine-truncate (previous step)

boolvar ↔ mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).size ≤ n ∧ pageno0 ≠ 0 ∧ (m2 / VFS_PAGE_SIZE ∈ content ∨ buf-opt0.some?), 0 = fs[ri[inodekey(m)]].nsubdirs, ¬ boolvar, buf-opt = buf-opt0, content = abs-files(fs, ri)[mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).ino].content, files = abs-files(fs, ri), ino = mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).ino, pageno = min(n, mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).size), pageno0 = mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).size % VFS_PAGE_SIZE, fs[ri[inodekey(m)]].inode?, fo.inodes?, orphans(fs, ri).inodes?, afs-cons(abs-dirs(fs, ri), abs-files(fs, ri)), file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, orphans(fs, ri)), replay-cons-strong(fs, ri, orphans(fs, ri), fi, fo, log), ri-inj(fi), ri-inj(ri), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), ri[inodekey(m)] ∈ fs, inodekey(m) ∈ ri, buf-opt0.some? → # buf-opt0.buf = VFS_PAGE_SIZE, asynced → boolvar0, mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).size ≤ n → pageno0 ≠ 0 → VFS_PAGE_SIZE ≠ 0, ∀ adr, adr0. adr ∈ fs ∨ adr0 ∈ fs ∨ adr = adr0 ⊦ ⟨fail#(; ; err); asynced := ?⟩ ((asynced → boolvar4) ∧ ENOSPC = err), VFS_PAGE_SIZE = 0, fs[ri[inodekey(m)]].directory, m2 ≤ n ∧ m2 % VFS_PAGE_SIZE ≠ 0, fs[ri[inodekey(m)]].inode? ∧ ri[inodekey(m)] ∈ fs ∧ inodekey(m) ∈ ri

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ key ∈ ri ∧ ubifs-cons(fs, ri, ro, fi, fo, log) → ri[key] ∈ fs; (ss)%⊦ inodekey(ino) ∈ ri ∧ ri[inodekey(ino)] ∈ fs ∧ ubifs-cons(fs, ri, ro, fi, fo, log) → fs[ri[inodekey(ino)]].inode?; (ss)% ⊦ VFS_PAGE_SIZE ≠ 0; (s)% ⊦ n ∈ abs-content(ino, fs, ri) ↔ datakey(ino, n) ∈ ri; (s)% ⊦ mkfile(m, md, m0, content).content = content; (s)%⊦ abs-file(ino, fs, ri) = mkfile (fs[ri[inodekey(ino)]].size, fs[ri[inodekey(ino)]].meta, fs[ri[inodekey(ino)]].nlink, abs-content(ino, fs, ri)); (s)%⊦ inodekey(ino) ∈ ri ∧ ¬ fs[ri[inodekey(ino)]].directory → abs-files(fs, ri)[ino] = abs-file(ino, fs, ri); (s)% ⊦ mkinode(m, md, boolvar, m0, m1, m2).ino = m; (s)% ⊦ mkinode(m, md, boolvar, m0, m1, m2).size = m2; (s)