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Proof step 7 from proof crash-neutral-add2 (previous step)

fs0 = fs, log0 = log, ro.inodes?, fo.inodes?, log-cons(log, fs), node-cons(nd2.key, nd2), node-cons(nd1.key, nd1), ri-cons(ri, fs), ri-inj(ri), ri-inj(fi) ⊦ ⟨choose adr1, adr2 with new(adr1 ' + adr2 ', fs) ∧ ¬ dups(adr1 ' + adr2 ') in {adr0 := adr1, adr := adr2; fs := fs[adr0, nd2][adr, nd1], log := (log + adr0) + adr, err := ESUCCESS} ifnone err := ENOSPC; boolvar := ?⟩ (boolvar ∧ fs0 = fs ∧ log0 = log), ⟨fail#(; ; err); adr0 := ?, adr := ?; boolvar := ?⟩ boolvar

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Proof step 8:
fs0 = fs, log0 = log, fo.inodes?, ro.inodes?, log-cons(log, fs), node-cons(nd1.key, nd1), node-cons(nd2.key, nd2), ri-cons(ri, fs), ri-inj(fi), ri-inj(ri) ⊦ (∀ adr1, adr2. ¬(new(adr1 ' + adr2 ', fs) ∧ ¬ dups(adr1 ' + adr2 '))) ∧ ⟨err := ENOSPC; boolvar := ?⟩ (boolvar ∧ fs0 = fs ∧ log0 = log), ∃ adr1, adr2. (new(adr1 ' + adr2 ', fs) ∧ ¬ dups(adr1 ' + adr2 ')) ∧ ⟨adr0 := adr1, adr := adr2; fs := fs[adr0, nd2][adr, nd1], log := (log + adr0) + adr, err := ESUCCESS; boolvar := ?⟩ (boolvar ∧ fs0 = fs ∧ log0 = log), ⟨fail#(; ; err); adr0 := ?, adr := ?; boolvar := ?⟩ boolvar

Proof step 7 from proof crash-neutral-add2 (previous step)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

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