| boolvar ↔ boolvar0, err = ESUCCESS, key = inodekey(nd.key.ino), nd = fs[adr], ri0 = ri, nd.data?, node-cons(fs[adr].key, fs[adr]), adr ∈ fs ⊦ ⟪aubifs_core_index_contains#(key, ri, fi, ro, fo, fs, log, boolvar0; boolvar; err); if err = ESUCCESS ∧ boolvar then aubifs_core_index_store#(nd.key, adr, fi, ro, fo, fs, log, boolvar0; ri); if nd.trunc? then aubifs_core_index_truncate#(nd.key, nd.size, fi, ro, fo, fs, log, boolvar0; ri)⟫ ((err = ESUCCESS ∨ ⌊err⌋ ) ∧ (err = ESUCCESS → ri = replay-one(adr, fs[adr], ri0))), nd.dentry?, nd.inode?, adr ∈ ri |
boolvar ↔ boolvar0, fs[adr].data?, node-cons(fs[adr].key, fs[adr]), adr ∈ fs, ¬ fs[adr].dentry?, ¬ fs[adr].inode?, ¬ adr ∈ ri ⊦ ⟪aubifs_core_index_contains#(inodekey(fs[adr].key.ino), ri, fi, ro, fo, fs, log, boolvar0; boolvar; err); ri0 := ri; nd := fs[adr]; if err = ESUCCESS ∧ boolvar then aubifs_core_index_store#(nd.key, adr, fi, ro, fo, fs, log, boolvar0; ri); if nd.trunc? then aubifs_core_index_truncate#(nd.key, nd.size, fi, ro, fo, fs, log, boolvar0; ri)⟫ ((err = ESUCCESS ∨ ⌊err⌋ ) ∧ (err = ESUCCESS → ri = replay-one(adr, fs[adr], ri0)))