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Proof step 6 from proof booleanarray-len (conclusion)

⊦ okarray(r, boolean_type, st) → # getbooleanarray(r, st[r -- i ', val]) = # getbooleanarray(r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 1:
⊦ getbooleanarray(r, st) = getbooleanarray(r, 0, st[r -- _length] .intval, st)
Proof step 2:
⊦ getbooleanarray(r, i, j, st) = booleanvalues(getarray(r, i, j, st))
Proof step 3:
⊦ # booleanvalues(vals) = # vals
Proof step 5:
okarray(r, boolean_type, st), r ∈ st ⊦ # getarray(r, 0, st[r -- _length] .intval, st[r -- i ', val]) = # getarray(r, 0, st[r -- _length] .intval, st), r = jvmref

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDFORWARD : okfuns, , okarray-05, ⊦ okarray(r, ty, st) → r ≠ jvmref ∧ r ∈ st], [CSIMPNAMEDSEQ : javastore, , length-at, ⊦ (st[r -- i ', val] [r0 -- _length ] ) = st[r0 -- _length]])]]