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Proof step 691 from proof inv-truncate (previous step)

fs[ri[inodekey(m)]].nlink = 0 ∧ m ≠ ROOT_INO ↔ inodekey(m) ∈ ro, fs[ri[inodekey(m)]].inode?, fo.inodes?, ro.inodes?, file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, ro), replay-cons-strong(fs, ri, ro, fi, fo, log), ri-cons(ri, fs), ri-inj(fi), ri-inj(ri), ubifs-cons(fs, ri, ro, fi, fo, log), ri[inodekey(m)] ∈ fs, inodekey(m) ∈ ri, m2 ≤ n, ⌊err0⌋ ⊦ ⟪if err0 = ESUCCESS then {ri0 := ri; ri1 := ri; ri2 := ri; aubifs_core_index_store#(inodekey(m), adr, fi, ro, fo, fs, log, boolvar; ri); aubifs_core_index_truncate#(inodekey(m), m2, fi, ro, fo, fs, log, boolvar; ri); boolvar1 := false; inode := mkinode (mkinode(m, md, false, fs[ri2[inodekey(m)]].nlink, fs[ri2[inodekey(m)]].nsubdirs, m2).ino, inodenode(inodekey(m), md, false, fs[ri0[inodekey(m)]].nlink, fs[ri0[inodekey(m)]].nsubdirs, n).meta, inodenode(inodekey(m), md, false, fs[ri0[inodekey(m)]].nlink, fs[ri0[inodekey(m)]].nsubdirs, n).directory, inodenode(inodekey(m), md, false, fs[ri0[inodekey(m)]].nlink, fs[ri0[inodekey(m)]].nsubdirs, n).nlink, inodenode(inodekey(m), md, false, fs[ri0[inodekey(m)]].nlink, fs[ri0[inodekey(m)]].nsubdirs, n).nsubdirs, inodenode(inodekey(m), md, false, fs[ri0[inodekey(m)]].nlink, fs[ri0[inodekey(m)]].nsubdirs, n).size); if boolvar1 then buf-opt := some(inodenode(inodekey(m), md, false, fs[ri1[inodekey(m)]].nlink, fs[ri1[inodekey(m)]].nsubdirs, n).data)}⟫ (ubifs-cons(fs, ri, ro, fi, fo, log) ∧ replay-cons-strong(fs, ri, ro, fi, fo, log) ∧ file-node-cons(fs, ri) ∧ orphans-cons(fs, ri, ro)), m2 % VFS_PAGE_SIZE = 0, m = 0, fs[ri[inodekey(m)]].directory, buf-opt.some?, datakey(m, m2 / VFS_PAGE_SIZE) ∈ ri

Heuristic symbolic execution applied rule if negative right

And obtained the following new goals

Proof step 692:
fs[ri[inodekey(m)]].nlink = 0 ∧ m ≠ ROOT_INO ↔ inodekey(m) ∈ ro, fs[ri[inodekey(m)]].inode?, ro.inodes?, fo.inodes?, file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, ro), replay-cons-strong(fs, ri, ro, fi, fo, log), ri-cons(ri, fs), ri-inj(ri), ri-inj(fi), ubifs-cons(fs, ri, ro, fi, fo, log), inodekey(m) ∈ ri, ri[inodekey(m)] ∈ fs, m2 ≤ n, ⌊err0⌋ ⊦ ⟪skip⟫ (ubifs-cons(fs, ri, ro, fi, fo, log) ∧ replay-cons-strong(fs, ri, ro, fi, fo, log) ∧ file-node-cons(fs, ri) ∧ orphans-cons(fs, ri, ro)), m2 % VFS_PAGE_SIZE = 0, m = 0, fs[ri[inodekey(m)]].directory, buf-opt.some?, datakey(m, m2 / VFS_PAGE_SIZE) ∈ ri

Rule argument

pos: right 1

Additional information

Used simplifier rules: ⊦ ⌊err⌋ → err ≠ ESUCCESS; (s)