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Proof step 9 from proof inv-link (previous step)

c_inode.ino = fs[ri[dentrykey(ino, str)]].ino, p_inode.nlink = fs[ri[inodekey(p_inode.ino)]].nlink, c_inode.nlink = fs[ri[inodekey(c_inode.ino)]].nlink, p_inode.nsubdirs = fs[ri[inodekey(p_inode.ino)]].nsubdirs, c_inode.nsubdirs = fs[ri[inodekey(c_inode.ino)]].nsubdirs, p_inode.size = fs[ri[inodekey(p_inode.ino)]].size, new_dent = negdentry(str0), old_dent = mkdentry(str, fs[ri[dentrykey(ino, str)]].ino), fs[ri[dentrykey(ino, str)]].dentry?, fs[ri[inodekey(ino)]].directory, fs[ri[inodekey(p_inode.ino)]].directory, p_inode.directory, ro.inodes?, fo.inodes?, file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, ro), pre-link(p_inode, c_inode, old_dent, new_dent, fs, ri, ro), replay-cons-strong(fs, ri, ro, fi, fo, log), ri-inj(ri), ri-inj(fi), ubifs-cons(fs, ri, ro, fi, fo, log), dentrykey(ino, str) ∈ ri, inodekey(p_inode.ino) ∈ ri, inodekey(c_inode.ino) ∈ ri, inodekey(ino) ∈ ri, ri[dentrykey(ino, str)] ∈ fs, fs[ri[inodekey(ino)]].nlink ≠ 0 ∨ ino = ROOT_INO, p_inode.nlink ≠ 0 ∨ p_inode.ino = ROOT_INO ⊦ ⟪choose ino, adr1, adr0, adr, key1, key0, key, nd1, nd0, nd with ino = c_inode.ino in {key1 := inodekey(p_inode.ino); key0 := dentrykey(p_inode.ino, new_dent.name); key := inodekey(ino); nd1 := inodenode(key1, p_inode.meta, p_inode.directory, p_inode.nlink, p_inode.nsubdirs, p_inode.size + 1); nd0 := dentrynode(key0, ino); nd := inodenode(key, c_inode.meta, c_inode.directory, c_inode.nlink + 1, c_inode.nsubdirs, c_inode.size); aubifs_core_journal_add3#(nd1, nd0, nd, ri, fi, ro, fo; adr1, adr0, adr, fs, log; boolvar, err); if err = ESUCCESS then {aubifs_core_index_store#(key1, adr1, fi, ro, fo, fs, log, boolvar; ri); aubifs_core_index_store#(key0, adr0, fi, ro, fo, fs, log, boolvar; ri); aubifs_core_index_store#(key, adr, fi, ro, fo, fs, log, boolvar; ri); new_dent := mkdentry(new_dent.name, ino); p_inode := mkinode(p_inode.ino, nd1.meta, nd1.directory, nd1.nlink, nd1.nsubdirs, nd1.size); c_inode := mkinode(ino, nd.meta, nd.directory, nd.nlink, nd.nsubdirs, nd.size)}}⟫ (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)), fs[ri[inodekey(c_inode.ino)]].directory, c_inode.directory, inodekey(ino) ∈ ro, inodekey(p_inode.ino) ∈ ro, dentrykey(p_inode.ino, str0) ∈ ri, inodekey(c_inode.ino) ∈ ro

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

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