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

adr = adr1, adr0 = adr2, ginval = ginval1, ginval0 = ginval2, gstore = gstore1, gstore0 = gstore2, maxino0 = maxino, pstate = readonly, remove-refsize0(gstore1) = gstore1, remove-refsize0(istore0) = istore0, elems nx ∩ ginval2 = ∅, dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval2, inv(gstore2 \ ginval2), inv(gstore1), inv(istore), inv(istore0), istore0 ⊑ istore ⊦ ⟪err0 := EROFS⟫ ( inv(istore) ∧ istore0 ⊑ istore ∧ (pstate.journal? → nx ≠ [] ∧ pstate.lnum = nx.last ∧ pstate.lnum ∈ gstore2) ∧ (pstate.index? → pstate.lnum ∈ istore) ∧ (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)