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Proof step 18 from proof inv-iget (previous step)

err = ESUCCESS, err = err0, 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-inj(fi), ri-inj(ri), ubifs-cons(fs, ri, ro, fi, fo, log), inodekey(ino) ∈ ri, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪boolvar := inodekey(ino) ∈ ri; if boolvar then nd := fs[ri[inodekey(ino)]] else nd := ?; if err = ESUCCESS ∧ boolvar then inode := mkinode(ino, nd.meta, nd.directory, nd.nlink, (nd.directory ⊃ nd.nsubdirs;0), nd.size)⟫ true

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 19:
boolvar ↔ inodekey(ino) ∈ ri, err = err0, err = ESUCCESS, 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-inj(ri), ri-inj(fi), ubifs-cons(fs, ri, ro, fi, fo, log), inodekey(ino) ∈ ri, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪if boolvar then nd := fs[ri[inodekey(ino)]] else nd := ?; if err = ESUCCESS ∧ boolvar then inode := mkinode(ino, nd.meta, nd.directory, nd.nlink, (nd.directory ⊃ nd.nsubdirs;0), nd.size)⟫ true

Proof step 18 from proof inv-iget (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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