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Proof step 7 from proof inv-commit (previous step)

remove-refsize0(gstore1) = gstore1, dom remove-refsize0(gstore2) ∩ ginval4 = ∅, elems nx ∩ ginval4 = ∅, dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval4, inv(gstore2 \ ginval4), inv(gstore1), ri-inj(fi2), ri-inj(fi1) ⊦ ⟪choose err0 with ⌊err0⌋ ∨ err0 = ESUCCESS in err := err0; if err = ESUCCESS then {gstore2 := remove-refsize0(gstore2); gstore1 := gstore2; ginval4 := ∅; ginval := ginval1; nx := []; maxino := maxino0; fi1 := fi2}; ginval1 := ?⟫ ( inv(gstore2 \ ginval4) ∧ inv(gstore1) ∧ elems nx ∩ ginval4 = ∅ ∧ ¬ dups(nx) ∧ dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval4 ∧ remove-refsize0(gstore1) = gstore1 ∧ ri-inj(fi1)), dups(nx)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

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