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Proof step 25 from proof validrefnotnull-putbar (previous step)

by ' + bytes0 ≠ [], okbytearray(r0, st), validrefnotnull(str, r, ty, st), ∀ r0, st, str, r, ty, i. okbytearray(r0, st) ∧ validrefnotnull(str, r, ty, st) → r = r0 ∨ r = jvmref ∨ validrefnotnull(str, r, ty, putByteArray(bytes0, r0, i, st)) ⊦ r = r0, r = jvmref, validrefnotnull(str, r, ty, putByteArray((by ' + bytes0) .rest, r0, i + 1, st)[r0 -- i ', byteval((by ' + bytes0) .first)])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 24:
okbytearray(r0, st), validrefnotnull(str, r, ty, st), ∀ r0, st, str, r, ty, i. okbytearray(r0, st) ∧ validrefnotnull(str, r, ty, st) → r = r0 ∨ r = jvmref ∨ validrefnotnull(str, r, ty, putByteArray(bytes0, r0, i, st)) ⊦ r = r0, r = jvmref, validrefnotnull(str, r, ty, putByteArray(bytes0, r0, i + 1, st)[r0 -- i ', byteval(by)])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (by ' + bytes) .first = by], [CSIMPSEQ : ⊦ (by ' + bytes) .rest = bytes], [CSIMPSEQ : ⊦ (bytes + bytes0) + bytes1 = bytes + bytes0 + bytes1], [CSIMPSEQ : ⊦ by ' + bytes ≠ []])]]