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Proof step 14 from proof synced-remap (previous step)

⟨avol[m0] := mapped(mkbuf(0))⟩ (avol = avol1 ∧ err2 = err1), ⟨fail_or_success#(; ; err)⟩ (err = err2), # lpt = # avol, err2 = ESUCCESS, m = m1, m0 = m2, m2 < # avol, awbuf-inv(avol, bleb), synced(avol), avol0 ↓ avol1 ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; if err = ESUCCESS then avol[m2] := mapped(mkbuf(0)) else {skip or avol[m2] := unmapped}⟩ (synced(avol) ∧ avol0 ↓ avol), buffered(m2) = bleb, avol0 ↓ avol

Heuristic symbolic execution applied rule assign left

And obtained the following new goals

Proof step 15:
⟨fail_or_success#(; ; err)⟩ (err = err2), # lpt = # avol, avol[m0, mapped(mkbuf(0))] = avol1, err2 = ESUCCESS, err2 = err1, m = m1, m0 = m2, m2 < # avol, m0 < # avol, awbuf-inv(avol, bleb), synced(avol), avol0 ↓ avol1 ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; if err = ESUCCESS then avol[m2] := mapped(mkbuf(0)) else {skip or avol[m2] := unmapped}⟩ (synced(avol) ∧ avol0 ↓ avol), buffered(m2) = bleb, avol0 ↓ avol

Proof step 14 from proof synced-remap (previous step)

Heuristic symbolic execution applied rule assign left

And obtained the following new goals

Rule argument

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