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Proof step 29 from proof term-remove-nonend-blocks (previous step)

err = err0, gndx0 = [], inv(gstore2), n ∈ gstore2, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪if err = ESUCCESS then {jvalid := false; log := ax; while ¬ jvalid ∧ gndx ≠ [] do {/* (term-remove-nonend-blocks: invariant # gndx ≤ # log ∧ inv(gstore2) wfbound (jvalid ⊃ 0;# gndx)) */; if gndx.last.end then jvalid := true else {log := log.butlast; gndx := gndx.butlast}}}⟫ true, err = ESUCCESS, n ∈ ginval

Heuristic symbolic execution applied rule if negative right

And obtained the following new goals

Rule argument

pos: right 1

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