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Proof step 475 from proof refine-truncate (previous step)

boolvar1 ↔ boolvar2, boolvar ↔ boolvar4, VFS_PAGE_SIZE = n0 + m2 % VFS_PAGE_SIZE, fs0[ri0[inodekey(m)]] = inodenode(key1, md0, false, m3, 0, m5), fs0[ri0[datakey(m, m2 / VFS_PAGE_SIZE)]] = datanode(key0, buf), adr = adr3, buf-opt = buf-opt0, dirs = abs-dirs(fs0, ri0), files = abs-files(fs0, ri0), fs = fs0[adr1, truncnode(inodekey(m), m2)][adr2, inodenode(inodekey(m), md, false, m3, 0, n)] [adr3, datanode(key0, buf).data:= fill(buf, zero, m2 % VFS_PAGE_SIZE, n0) ], key = datakey(m, m2 / VFS_PAGE_SIZE), log = ((log0 + adr1 ') + adr2 ') + adr3 ', ri = ri0[key, adr], ro = orphans(fs0, ri0), ro0 = orphans(fs0, ri0), key0.data?, datanode(key0, buf).data?, orphans(fs0, ri0).inodes?, fo.inodes?, afs-cons(abs-dirs(fs0, ri0), abs-files(fs0, ri0)), file-node-cons(fs0, ri0), key-cons(key, fs[adr]), log-cons(log0, fs0), orphans-cons(fs0, ri0, orphans(fs0, ri0)), replay-cons-strong(fs0, ri0, orphans(fs0, ri0), fi, fo, log0), ri-cons(ri0, fs0), ri-inj(ri0), ri-inj(fi), ubifs-cons(fs0, ri0, orphans(fs0, ri0), fi, fo, log0), adr ∈ fs, inodekey(m) ∈ ri0, ri0[inodekey(m)] ∈ fs0, ri0[datakey(m, m2 / VFS_PAGE_SIZE)] ∈ fs0, datakey(m, m2 / VFS_PAGE_SIZE) ∈ ri0, m2 % VFS_PAGE_SIZE + n0 ≤ # datanode(key0, buf).data, m2 ≤ n, m2 % VFS_PAGE_SIZE + n0 ≤ # buf, ¬ adr ∈ ri0 → adr ∈ fs → adr ∈ fs, asynced → boolvar0 ⊦ [inode := mkinode(m, md, false, m3, 0, m2); log := ((log0 + adr1 ') + adr2 ') + adr3 '; err := ESUCCESS; fs := fs0[adr1, truncnode(inodekey(m), m2)][adr2, inodenode(inodekey(m), md, false, m3, 0, n)] [adr3, datanode(key0, buf).data:= fill(buf, zero, m2 % VFS_PAGE_SIZE, n0) ]; if err = ESUCCESS then {aubifs_core_index_store#(inodekey(m), adr2, fi, ro0, fo, fs, log, boolvar4; ri); aubifs_core_index_truncate#(inodekey(m), min(n, m2), fi, ro0, fo, fs, log, boolvar4; ri); boolvar1 := true; inode := mkinode (inode.ino, inodenode(inodekey(m), md, false, m3, 0, n).meta, inodenode(inodekey(m), md, false, m3, 0, n).directory, inodenode(inodekey(m), md, false, m3, 0, n).nlink, inodenode(inodekey(m), md, false, m3, 0, n).nsubdirs, inodenode(inodekey(m), md, false, m3, 0, n).size); if boolvar1 then buf-opt := some(datanode(key0, fill(datanode(key0, buf).data, zero, m2 % VFS_PAGE_SIZE, n0)).data)}] ( ubifs-cons(fs, ri, ro0, fi, fo, log) ∧ replay-cons-strong(fs, ri, ro0, fi, fo, log) ∧ file-node-cons(fs, ri) ∧ orphans-cons(fs, ri, ro0) ∧ ri-inj(ri) ∧ log-cons(log, fs) → ⟨p_inode := mkinode(m, md, false, m3, 0, m2); afs_truncate#(n, m2 / VFS_PAGE_SIZE; buf-opt0, p_inode, boolvar2, err1, dirs, files, asynced)⟩ ( dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ orphans(abs-dirs(fs, ri), abs-files(fs, ri)) = abs-keys(ro0) ∧ (asynced → boolvar4) ∧ buf-opt = buf-opt0 ∧ inode = p_inode ∧ (boolvar1 ↔ boolvar2) ∧ err = err1)), m2 % VFS_PAGE_SIZE = 0, VFS_PAGE_SIZE = 0, adr1 = adr3, adr1 = adr2, adr2 = adr3, m = 0, buf-opt0.some?, adr1 ∈ fs0, adr2 ∈ fs0, adr3 ∈ fs0, adr ∈ ri0

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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