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Proof step 10 from proof sw-alloc-put (previous step)

r1 ∈ H ⊦ o1 = (H[r1, o1] ++ r0)[r1], r0 = null, r0 ∈ H

Heuristic weak cut applied rule cut formula

And obtained the following new goals

Proof step 11:
r1 ∈ H ⊦ o1 = (H[r1, o1] ++ r0)[r1], r0 = null, r1 = r0, r0 ∈ H

Rule argument

fma: r1 = r0

Additional information

Used simplifier rules: nonnull: ⊦ r ∈ H → r ≠ null; Used formulas: r1 = r0