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Proof step 1496 from proof refine-truncate (previous step)

0 = fs[ri[inodekey(m)]].nsubdirs, err = err0, 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, ⌊err0⌋ , asynced → boolvar4, buf-opt0.some? → # buf-opt0.buf = VFS_PAGE_SIZE ⊦ [boolvar := ?; nd0 := inodenode(inodekey(m), md, false, fs[ri[inodekey(m)]].nlink, 0, n); buf-opt := buf-opt0; boolvar1 := boolvar2; inode := mkinode(m, md, false, fs[ri[inodekey(m)]].nlink, 0, m2); boolvar4 := boolvar, adr2 := adr; ro0 := orphans(fs, ri); m0 := fs[ri[inodekey(m)]].nlink; files := abs-files(fs, ri); dirs := abs-dirs(fs, ri); 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 := false; inode := mkinode(inode.ino, nd0.meta, nd0.directory, nd0.nlink, nd0.nsubdirs, nd0.size); if boolvar1 then buf-opt := some(inodenode(inodekey(m), md, false, m0, 0, n).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) → ⟨p_inode := mkinode(m, md, false, m0, 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)), 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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