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Proof step 5 from proof crash-neutral-lookup (previous step)

boolvar ↔ boolvar1, boolvar0 ↔ true, ro.inodes?, fo.inodes?, log-cons(log, fs), ri-cons(ri, fs), ri-inj(ri), ri-inj(fi) ⊦ ⟨fail_or_success#(; ; err); if err = ESUCCESS then {boolvar := key ∈ ri; if boolvar then nd := fs[ri[key]] else nd := ?} else boolvar := ?, nd := ?⟩ true

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
fo.inodes?, ro.inodes?, log-cons(log, fs), ri-cons(ri, fs), ri-inj(fi), ri-inj(ri) ⊦ ⟨fail_or_success#(; ; err); if err = ESUCCESS then {boolvar := key ∈ ri; if boolvar then nd := fs[ri[key]] else nd := ?} else boolvar := ?, nd := ?⟩ true

Proof step 5 from proof crash-neutral-lookup (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information