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Proof step 4 from proof inv-remap (previous step)

# lpt = # avol, m = m1, m0 = m2, m2 < # avol, awbuf-inv(avol, bleb), synced(avol) ⊦ ⟪if synced(avol) ∧ m0 < # avol ∧ buffered(m0) ≠ bleb then {fail_or_success#(; ; err); if err = ESUCCESS then avol[m0] := mapped(mkbuf(0)) else {skip or avol[m0] := unmapped}} else abort⟫ (awbuf-inv(avol, bleb) ∧ # lpt = # avol), buffered(m2) = bleb

Heuristic symbolic execution applied rule if positive right

And obtained the following new goals

Proof step 5:
# lpt = # avol, m = m1, m0 = m2, m2 < # avol, awbuf-inv(avol, bleb), synced(avol) ⊦ ⟪fail_or_success#(; ; err); if err = ESUCCESS then avol[m0] := mapped(mkbuf(0)) else {skip or avol[m0] := unmapped}⟫ (awbuf-inv(avol, bleb) ∧ # lpt = # avol), buffered(m2) = bleb

Rule argument

pos: right 1

Proof step 4 from proof inv-remap (previous step)

Heuristic symbolic execution applied rule if positive right

And obtained the following new goals

Rule argument

Additional information