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Proof step 1457 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, dirs = abs-dirs(fs, ri), files = abs-files(fs, ri), ino = mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).ino, new_inode = mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2), 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 ⊦ ⟨files[ino].content := content upto pageno; afs_inode_sync#(new_inode.size:= n; dirs, files); inode := getinode(mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2).ino, dirs, files); err := ESUCCESS; asynced := ?⟩ ( dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ (asynced → boolvar4) ∧ buf-opt0 = buf-opt ∧ mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2) = inode ∧ (boolvar2 ↔ boolvar) ∧ ENOSPC = err), ⟨fail#(; ; err); asynced := ?⟩ ((asynced → boolvar4) ∧ ENOSPC = err), VFS_PAGE_SIZE = 0, fs[ri[inodekey(m)]].directory, m2 ≤ n ∧ m2 % VFS_PAGE_SIZE ≠ 0

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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