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Proof step 19 from proof inv-writepage (previous step)

# buf = VFS_PAGE_SIZE, err = ESUCCESS, fs = fs0[adr1, nd], log = log0 + adr1, nd = datanode(datakey(m, pageno), buf), ro.inodes?, fo.inodes?, file-node-cons(fs0, ri), log-cons(log0, fs0), new(adr1 ', fs0), orphans-cons(fs0, ri, ro), replay-cons-strong(fs0, ri, ro, fi, fo, log0), ri-inj(ri), ri-inj(fi), ubifs-cons(fs0, ri, ro, fi, fo, log0), inodekey(m) ∈ ri ⊦ ⟪boolvar := ?; if err = ESUCCESS then aubifs_core_index_store#(datakey(m, pageno), adr1, fi, ro, fo, fs, log, boolvar; ri)⟫ (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)), fs0[ri[inodekey(m)]].directory, dups(adr1 ')

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 20:
# buf = VFS_PAGE_SIZE, err = ESUCCESS, fs = fs0[adr1, nd], log = log0 + adr1, nd = datanode(datakey(m, pageno), buf), fo.inodes?, ro.inodes?, file-node-cons(fs0, ri), log-cons(log0, fs0), new(adr1 ', fs0), orphans-cons(fs0, ri, ro), replay-cons-strong(fs0, ri, ro, fi, fo, log0), ri-inj(fi), ri-inj(ri), ubifs-cons(fs0, ri, ro, fi, fo, log0), inodekey(m) ∈ ri ⊦ ⟪if err = ESUCCESS then aubifs_core_index_store#(datakey(m, pageno), adr1, fi, ro, fo, fs, log, boolvar; ri)⟫ (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)), fs0[ri[inodekey(m)]].directory, dups(adr1 ')

Proof step 19 from proof inv-writepage (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information