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Proof step 25 from proof initial-ex-abstract-initial (previous step)

m0 + 1 = # pebs, pebs[m0] = mkpeb(buf, m, true), abs(subarray(pebs, 0, m0), apebs), ubi-io-initial(pebs), ubi-io-initial(apebs) ⊦ ∃ apebs. abs(pebs, apebs) ∧ ubi-io-initial(apebs)

User applied rule exists right

And obtained the following new goals

Proof step 26:
m0 + 1 = # pebs, pebs[m0] = mkpeb(buf, m, true), abs(subarray(pebs, 0, m0), apebs), ubi-io-initial(apebs), ubi-io-initial(pebs) ⊦ abs(pebs, copy(apebs, 0, mkapebs(# pebs), 0, m0)[m0, mkpeb(empty, empty, mkbuf(LEB_SIZE), 0, true)]) ∧ ubi-io-initial(copy(apebs, 0, mkapebs(# pebs), 0, m0)[m0, mkpeb(empty, empty, mkbuf(LEB_SIZE), 0, true)])

Rule argument

pos: right 1 terms: copy(apebs, 0, mkapebs(# pebs), 0, m0) [m0, mkpeb(empty, empty, mkbuf(LEB_SIZE), 0, true) ] abort: F discard: T computed: F

Additional information

Used terms: copy(apebs, 0, mkapebs(# pebs), 0, m0) [m0, mkpeb(empty, empty, mkbuf(LEB_SIZE), 0, true) ]