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Proof step 8 from proof inv-add-gnds (previous step)

ginval = ginval1, ginval0 = ginval2, istore = istore1, istore0 = istore2, pstate = readonly, remove-refsize0(gstore0) = gstore0, remove-refsize0(istore1) = istore1, elems nx ∩ ginval2 = ∅, dom gstore0 ∪ elems nx = dom gstore ∪ ginval2, inv(gstore \ ginval2), inv(gstore0), inv(istore2), inv(istore1), istore1 ⊑ istore2 ⊦ ⟪err0 := EROFS⟫ ( inv(gstore \ ginval2) ∧ dom gstore0 ∪ elems nx = dom gstore ∪ ginval2 ∧ (pstate.journal? → nx ≠ [] ∧ pstate.lnum = nx.last ∧ pstate.lnum ∈ gstore) ∧ (pstate.index? → pstate.lnum ∈ istore2) ∧ (pstate = unbuffered → syn)), dups(nx)

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ ¬ readonly.journal?; (s)% ⊦ ¬ readonly.index?; (s)% ⊦ unbuffered ≠ readonly; (s)