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Proof step 5 from proof crash-neutral-get-gc-block (previous step)

syn ↔ true, fi = fi1, fi0 = fi2, ginval = ginval2, ginval0 = ginval1, gstore = gstore1, gstore0 = gstore2, maxino = maxino0, n0 = n, remove-refsize0(gstore1) = gstore1, elems nx ∩ ginval1 = ∅, dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval1, inv(gstore2 \ ginval1), inv(gstore1), ri-inj(fi2), ri-inj(fi1) ⊦ ⟨choose n with n ∈ dom gstore0 ∧ ¬ n ∈ nx in {n0 := n; err := ESUCCESS} ifnone err := ENOSPC⟩ true, ⟨err := ENOSPC⟩ true, dups(nx)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Proof step 6:
syn ↔ true, fi = fi1, fi0 = fi2, ginval = ginval2, ginval0 = ginval1, gstore = gstore1, gstore0 = gstore2, maxino = maxino0, n0 = n1, remove-refsize0(gstore1) = gstore1, elems nx ∩ ginval1 = ∅, dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval1, inv(gstore1), inv(gstore2 \ ginval1), ri-inj(fi1), ri-inj(fi2) ⊦ (∀ n. ¬(n ∈ dom gstore0 ∧ ¬ n ∈ nx)) ∧ ⟨err := ENOSPC⟩ true, ∃ n. (n ∈ dom gstore0 ∧ ¬ n ∈ nx) ∧ ⟨n0 := n; err := ESUCCESS⟩ true, ⟨err := ENOSPC⟩ true, dups(nx)

Proof step 5 from proof crash-neutral-get-gc-block (previous step)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

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