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Proof step 136 from proof refine-writepage (previous step)

# buf = VFS_PAGE_SIZE, dirs = abs-dirs(fs, ri), err = err0, files = abs-files(fs, ri), inode = mkinode(m, md, boolvar1, m0, m1, m2), orphans(fs, ri).inodes?, fo.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(ri), ri-inj(fi), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), inodekey(m) ∈ ri, asynced0 → boolvar0, ∀ adr. adr ∈ fs ⊦ ⟨fail#(; ; err); asynced0 := ?⟩ (files = abs-files(fs, ri) ∧ (asynced0 → boolvar2) ∧ ENOSPC = err), fs[ri[inodekey(m)]].directory, ∃ asynced. files[inode.ino, files[inode.ino].content:= files[inode.ino].content[pageno, buf]] = abs-files(fs, ri) ∧ (asynced → boolvar2) ∧ ENOSPC = ESUCCESS

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 137:
# buf = VFS_PAGE_SIZE, 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), inodekey(m) ∈ ri, ¬ fs[ri[inodekey(m)]].directory, asynced0 → boolvar0, ∀ adr. adr ∈ fs ⊦ ⟨fail#(; ; err); asynced0 := ?⟩ ((asynced0 → boolvar2) ∧ ENOSPC = err)

Rule argument

Additional information

Used simplifier rules: ⊦ ESUCCESS ≠ ENOSPC; (s)%⊦ mkfile(m, md, m0, content).content:= content0 = mkfile(m, md, m0, content0); (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)