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Proof step 4 from proof refine-evict (previous step)

boolvar0 ↔ boolvar, dirs = abs-dirs(fs, ri), err = err0, files = abs-files(fs, ri), ro = orphans(fs, ri), 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), asynced → boolvar, inodekey(inode.ino) ∈ ri ∧ fs[ri[inodekey(inode.ino)]].directory ∧ inode.nlink = fs[ri[inodekey(inode.ino)]].nlink ∧ inode.size = fs[ri[inodekey(inode.ino)]].size ∧ inode.nsubdirs = fs[ri[inodekey(inode.ino)]].nsubdirs ∧ inode.directory ∨ inodekey(inode.ino) ∈ ri ∧ ¬ fs[ri[inodekey(inode.ino)]].directory ∧ inode.nlink = fs[ri[inodekey(inode.ino)]].nlink ∧ inode.nsubdirs = 0 ∧ ¬ inode.directory ⊦ ⟪if pre-evict(inode.ino, fs, ri, ro) then {choose boolvar, key with key = inodekey(inode.ino) in {aubifs_core_orphans_contains#(key, ri, fi, ro, fo, fs, log, boolvar0; boolvar); if boolvar then {aubifs_core_index_truncate#(key, 0, fi, ro, fo, fs, log, boolvar0; ri); aubifs_core_orphans_remove#(key, ri, fi, fo, fs, log, boolvar0; ro); aubifs_core_index_remove#(key, fi, ro, fo, fs, log, boolvar0; ri)}}; err := ESUCCESS} else abort⟫ ⟨afs_evict#(inode, asynced; err0, dirs, files)⟩ ( dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ orphans(abs-dirs(fs, ri), abs-files(fs, ri)) = abs-keys(ro) ∧ (asynced → boolvar) ∧ err = err0), inode.ino = ROOT_INO

Heuristic conditional right split applied rule if right

And obtained the following new goals

Rule argument

pos: right 1

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