0.761 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.297 * * * [progress]: [2/2] Setting up program.
0.300 * [progress]: [Phase 2 of 3] Improving.
0.303 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.308 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.310 * * [simplify]: iteration  1 :  16  enodes  (cost  3 )
0.311 * * [simplify]: iteration  2 :  26  enodes  (cost  3 )
0.313 * * [simplify]: iteration  3 :  33  enodes  (cost  3 )
0.314 * * [simplify]: iteration  4 :  33  enodes  (cost  3 )
0.315 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.316 * * [progress]: iteration 1 / 4
0.316 * * * [progress]: picking best candidate
0.319 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.319 * * * [progress]: localizing error
0.327 * * * [progress]: generating rewritten candidates
0.327 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.335 * * * [progress]: generating series expansions
0.335 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.339 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.340 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.340 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.340 * [taylor]: Taking taylor expansion of x in y
0.340 * [taylor]: Taking taylor expansion of y in y
0.341 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.341 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.341 * [taylor]: Taking taylor expansion of x in x
0.341 * [taylor]: Taking taylor expansion of y in x
0.341 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.341 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.341 * [taylor]: Taking taylor expansion of x in x
0.341 * [taylor]: Taking taylor expansion of y in x
0.342 * [taylor]: Taking taylor expansion of (neg y) in y
0.342 * [taylor]: Taking taylor expansion of y in y
0.343 * [taylor]: Taking taylor expansion of 0 in y
0.344 * [taylor]: Taking taylor expansion of 1 in y
0.345 * [taylor]: Taking taylor expansion of 0 in y
0.346 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.346 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.346 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.346 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.346 * [taylor]: Taking taylor expansion of x in y
0.346 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.346 * [taylor]: Taking taylor expansion of y in y
0.347 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.347 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.347 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.347 * [taylor]: Taking taylor expansion of x in x
0.347 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.347 * [taylor]: Taking taylor expansion of y in x
0.347 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.347 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.347 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.347 * [taylor]: Taking taylor expansion of x in x
0.348 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.348 * [taylor]: Taking taylor expansion of y in x
0.348 * [taylor]: Taking taylor expansion of 1 in y
0.349 * [taylor]: Taking taylor expansion of 0 in y
0.350 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.350 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.350 * [taylor]: Taking taylor expansion of y in y
0.353 * [taylor]: Taking taylor expansion of 0 in y
0.355 * [taylor]: Taking taylor expansion of 0 in y
0.378 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.378 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.378 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.378 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.378 * [taylor]: Taking taylor expansion of x in y
0.378 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.378 * [taylor]: Taking taylor expansion of y in y
0.379 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.379 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.379 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.379 * [taylor]: Taking taylor expansion of x in x
0.379 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.379 * [taylor]: Taking taylor expansion of y in x
0.379 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.379 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.379 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.379 * [taylor]: Taking taylor expansion of x in x
0.380 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.380 * [taylor]: Taking taylor expansion of y in x
0.380 * [taylor]: Taking taylor expansion of 1 in y
0.381 * [taylor]: Taking taylor expansion of 0 in y
0.382 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.382 * [taylor]: Taking taylor expansion of y in y
0.384 * [taylor]: Taking taylor expansion of 0 in y
0.386 * [taylor]: Taking taylor expansion of 0 in y
0.386 * * * [progress]: simplifying candidates
0.387 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (* x x)) (exp y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (* (* (- (* x x) y) (- (* x x) y)) (- (* x x) y))
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (- (pow (* x x) 3) (pow y 3))
  (+ (* (* x x) (* x x)) (+ (* y y) (* (* x x) y)))
  (neg y)
  (- (* (* x x) (* x x)) (* y y))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (neg y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
0.390 * * [simplify]: iteration  0 :  73  enodes  (cost  63 )
0.392 * * [simplify]: iteration  1 :  216  enodes  (cost  56 )
0.397 * * [simplify]: iteration  2 :  535  enodes  (cost  56 )
0.408 * * [simplify]: iteration  3 :  1794  enodes  (cost  56 )
0.452 * * [simplify]: iteration  4 :  5001  enodes  (cost  56 )
0.453 * [simplify]: Simplified to:
   (exp (- (* x x) y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (pow (- (pow x 2) y) 3)
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (- (pow (* x x) 3) (pow y 3))
  (+ (+ (pow x 4) (* (* x x) y)) (* y y))
  (- 0 y)
  (+ (neg (* y y)) (pow x 4))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (- 0 y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
0.453 * * * [progress]: adding candidates to table
0.477 * * [progress]: iteration 2 / 4
0.477 * * * [progress]: picking best candidate
0.479 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (cbrt (pow (- (pow x 2) y) 3))))>
0.479 * * * [progress]: localizing error
0.489 * * * [progress]: generating rewritten candidates
0.489 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
0.496 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 1)
0.503 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 1 1)
0.511 * * * [progress]: generating series expansions
0.511 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)
0.512 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.512 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.512 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.512 * [taylor]: Taking taylor expansion of x in y
0.512 * [taylor]: Taking taylor expansion of y in y
0.512 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.512 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.512 * [taylor]: Taking taylor expansion of x in x
0.512 * [taylor]: Taking taylor expansion of y in x
0.512 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.512 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.512 * [taylor]: Taking taylor expansion of x in x
0.512 * [taylor]: Taking taylor expansion of y in x
0.512 * [taylor]: Taking taylor expansion of (neg y) in y
0.512 * [taylor]: Taking taylor expansion of y in y
0.513 * [taylor]: Taking taylor expansion of 0 in y
0.514 * [taylor]: Taking taylor expansion of 1 in y
0.515 * [taylor]: Taking taylor expansion of 0 in y
0.516 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.516 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.516 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.516 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.516 * [taylor]: Taking taylor expansion of x in y
0.516 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.516 * [taylor]: Taking taylor expansion of y in y
0.516 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.516 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.516 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.516 * [taylor]: Taking taylor expansion of x in x
0.517 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.517 * [taylor]: Taking taylor expansion of y in x
0.517 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.517 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.517 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.517 * [taylor]: Taking taylor expansion of x in x
0.517 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.517 * [taylor]: Taking taylor expansion of y in x
0.518 * [taylor]: Taking taylor expansion of 1 in y
0.519 * [taylor]: Taking taylor expansion of 0 in y
0.520 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.520 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.520 * [taylor]: Taking taylor expansion of y in y
0.526 * [taylor]: Taking taylor expansion of 0 in y
0.528 * [taylor]: Taking taylor expansion of 0 in y
0.529 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.529 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.529 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.529 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.529 * [taylor]: Taking taylor expansion of x in y
0.529 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.529 * [taylor]: Taking taylor expansion of y in y
0.529 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.529 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.529 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.529 * [taylor]: Taking taylor expansion of x in x
0.530 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.530 * [taylor]: Taking taylor expansion of y in x
0.530 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.530 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.530 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.530 * [taylor]: Taking taylor expansion of x in x
0.530 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.530 * [taylor]: Taking taylor expansion of y in x
0.531 * [taylor]: Taking taylor expansion of 1 in y
0.531 * [taylor]: Taking taylor expansion of 0 in y
0.533 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.533 * [taylor]: Taking taylor expansion of y in y
0.534 * [taylor]: Taking taylor expansion of 0 in y
0.536 * [taylor]: Taking taylor expansion of 0 in y
0.536 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 1)
0.536 * [approximate]: Taking taylor expansion of (pow (- (pow x 2) y) 3) in (x y) around 0
0.536 * [taylor]: Taking taylor expansion of (pow (- (pow x 2) y) 3) in y
0.536 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.536 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.536 * [taylor]: Taking taylor expansion of x in y
0.536 * [taylor]: Taking taylor expansion of y in y
0.537 * [taylor]: Taking taylor expansion of (pow (- (pow x 2) y) 3) in x
0.537 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.537 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.537 * [taylor]: Taking taylor expansion of x in x
0.537 * [taylor]: Taking taylor expansion of y in x
0.537 * [taylor]: Taking taylor expansion of (pow (- (pow x 2) y) 3) in x
0.537 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.537 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.537 * [taylor]: Taking taylor expansion of x in x
0.537 * [taylor]: Taking taylor expansion of y in x
0.538 * [taylor]: Taking taylor expansion of (* -1 (pow y 3)) in y
0.538 * [taylor]: Taking taylor expansion of -1 in y
0.538 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.538 * [taylor]: Taking taylor expansion of y in y
0.538 * [taylor]: Taking taylor expansion of 0 in y
0.540 * [taylor]: Taking taylor expansion of (* 3 (pow y 2)) in y
0.540 * [taylor]: Taking taylor expansion of 3 in y
0.540 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.540 * [taylor]: Taking taylor expansion of y in y
0.542 * [taylor]: Taking taylor expansion of 0 in y
0.545 * [taylor]: Taking taylor expansion of (neg (* 3 y)) in y
0.545 * [taylor]: Taking taylor expansion of (* 3 y) in y
0.545 * [taylor]: Taking taylor expansion of 3 in y
0.545 * [taylor]: Taking taylor expansion of y in y
0.550 * [taylor]: Taking taylor expansion of 0 in y
0.552 * [approximate]: Taking taylor expansion of (pow (- (/ 1 (pow x 2)) (/ 1 y)) 3) in (x y) around 0
0.552 * [taylor]: Taking taylor expansion of (pow (- (/ 1 (pow x 2)) (/ 1 y)) 3) in y
0.552 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.552 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.552 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.552 * [taylor]: Taking taylor expansion of x in y
0.552 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.552 * [taylor]: Taking taylor expansion of y in y
0.553 * [taylor]: Taking taylor expansion of (pow (- (/ 1 (pow x 2)) (/ 1 y)) 3) in x
0.553 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.553 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.553 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.553 * [taylor]: Taking taylor expansion of x in x
0.553 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.553 * [taylor]: Taking taylor expansion of y in x
0.554 * [taylor]: Taking taylor expansion of (pow (- (/ 1 (pow x 2)) (/ 1 y)) 3) in x
0.554 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.554 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.554 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.554 * [taylor]: Taking taylor expansion of x in x
0.554 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.554 * [taylor]: Taking taylor expansion of y in x
0.555 * [taylor]: Taking taylor expansion of 1 in y
0.557 * [taylor]: Taking taylor expansion of 0 in y
0.558 * [taylor]: Taking taylor expansion of (neg (* 3 (/ 1 y))) in y
0.558 * [taylor]: Taking taylor expansion of (* 3 (/ 1 y)) in y
0.558 * [taylor]: Taking taylor expansion of 3 in y
0.558 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.558 * [taylor]: Taking taylor expansion of y in y
0.561 * [taylor]: Taking taylor expansion of 0 in y
0.565 * [taylor]: Taking taylor expansion of (* 3 (/ 1 (pow y 2))) in y
0.565 * [taylor]: Taking taylor expansion of 3 in y
0.565 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.565 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.565 * [taylor]: Taking taylor expansion of y in y
0.570 * [taylor]: Taking taylor expansion of 0 in y
0.571 * [approximate]: Taking taylor expansion of (pow (+ (/ 1 (pow x 2)) (/ 1 y)) 3) in (x y) around 0
0.571 * [taylor]: Taking taylor expansion of (pow (+ (/ 1 (pow x 2)) (/ 1 y)) 3) in y
0.571 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.571 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.571 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.571 * [taylor]: Taking taylor expansion of x in y
0.571 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.571 * [taylor]: Taking taylor expansion of y in y
0.571 * [taylor]: Taking taylor expansion of (pow (+ (/ 1 (pow x 2)) (/ 1 y)) 3) in x
0.571 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.571 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.571 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.572 * [taylor]: Taking taylor expansion of x in x
0.572 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.572 * [taylor]: Taking taylor expansion of y in x
0.572 * [taylor]: Taking taylor expansion of (pow (+ (/ 1 (pow x 2)) (/ 1 y)) 3) in x
0.572 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.572 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.572 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.572 * [taylor]: Taking taylor expansion of x in x
0.573 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.573 * [taylor]: Taking taylor expansion of y in x
0.574 * [taylor]: Taking taylor expansion of 1 in y
0.575 * [taylor]: Taking taylor expansion of 0 in y
0.577 * [taylor]: Taking taylor expansion of (* 3 (/ 1 y)) in y
0.577 * [taylor]: Taking taylor expansion of 3 in y
0.577 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.577 * [taylor]: Taking taylor expansion of y in y
0.580 * [taylor]: Taking taylor expansion of 0 in y
0.583 * [taylor]: Taking taylor expansion of (* 3 (/ 1 (pow y 2))) in y
0.583 * [taylor]: Taking taylor expansion of 3 in y
0.583 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.583 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.583 * [taylor]: Taking taylor expansion of y in y
0.587 * [taylor]: Taking taylor expansion of 0 in y
0.588 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 1 1)
0.588 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.588 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.588 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.588 * [taylor]: Taking taylor expansion of x in y
0.588 * [taylor]: Taking taylor expansion of y in y
0.588 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.588 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.588 * [taylor]: Taking taylor expansion of x in x
0.588 * [taylor]: Taking taylor expansion of y in x
0.588 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.588 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.588 * [taylor]: Taking taylor expansion of x in x
0.588 * [taylor]: Taking taylor expansion of y in x
0.588 * [taylor]: Taking taylor expansion of (neg y) in y
0.588 * [taylor]: Taking taylor expansion of y in y
0.589 * [taylor]: Taking taylor expansion of 0 in y
0.590 * [taylor]: Taking taylor expansion of 1 in y
0.591 * [taylor]: Taking taylor expansion of 0 in y
0.591 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.591 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.591 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.591 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.591 * [taylor]: Taking taylor expansion of x in y
0.591 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.591 * [taylor]: Taking taylor expansion of y in y
0.592 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.592 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.592 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.592 * [taylor]: Taking taylor expansion of x in x
0.592 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.592 * [taylor]: Taking taylor expansion of y in x
0.592 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.592 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.592 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.592 * [taylor]: Taking taylor expansion of x in x
0.593 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.593 * [taylor]: Taking taylor expansion of y in x
0.593 * [taylor]: Taking taylor expansion of 1 in y
0.594 * [taylor]: Taking taylor expansion of 0 in y
0.595 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.595 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.595 * [taylor]: Taking taylor expansion of y in y
0.597 * [taylor]: Taking taylor expansion of 0 in y
0.599 * [taylor]: Taking taylor expansion of 0 in y
0.600 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.600 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.600 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.600 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.600 * [taylor]: Taking taylor expansion of x in y
0.600 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.600 * [taylor]: Taking taylor expansion of y in y
0.600 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.600 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.600 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.600 * [taylor]: Taking taylor expansion of x in x
0.601 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.601 * [taylor]: Taking taylor expansion of y in x
0.601 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.601 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.601 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.601 * [taylor]: Taking taylor expansion of x in x
0.601 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.601 * [taylor]: Taking taylor expansion of y in x
0.602 * [taylor]: Taking taylor expansion of 1 in y
0.603 * [taylor]: Taking taylor expansion of 0 in y
0.604 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.604 * [taylor]: Taking taylor expansion of y in y
0.605 * [taylor]: Taking taylor expansion of 0 in y
0.609 * [taylor]: Taking taylor expansion of 0 in y
0.610 * * * [progress]: simplifying candidates
0.611 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (cbrt (pow (- (pow x 2) y) 3)))
  (exp (cbrt (pow (- (pow x 2) y) 3)))
  (cbrt (pow (* (cbrt (- (pow x 2) y)) (cbrt (- (pow x 2) y))) 3))
  (cbrt (pow (cbrt (- (pow x 2) y)) 3))
  (cbrt (pow (sqrt (- (pow x 2) y)) 3))
  (cbrt (pow (sqrt (- (pow x 2) y)) 3))
  (cbrt (pow 1 3))
  (cbrt (pow (- (pow x 2) y) 3))
  (cbrt (pow (+ (pow (sqrt x) 2) (sqrt y)) 3))
  (cbrt (pow (- (pow (sqrt x) 2) (sqrt y)) 3))
  (cbrt (pow (+ x (sqrt y)) 3))
  (cbrt (pow (- x (sqrt y)) 3))
  (cbrt (pow (+ (sqrt (pow x 2)) (sqrt y)) 3))
  (cbrt (pow (- (sqrt (pow x 2)) (sqrt y)) 3))
  (cbrt (pow (+ (pow x (/ 2 2)) (sqrt y)) 3))
  (cbrt (pow (- (pow x (/ 2 2)) (sqrt y)) 3))
  (cbrt (pow 1 3))
  (cbrt (pow (- (pow x 2) y) 3))
  (cbrt (* (- (pow x 2) y) (- (pow x 2) y)))
  (cbrt (- (pow x 2) y))
  (cbrt (* (cbrt (pow (- (pow x 2) y) 3)) (cbrt (pow (- (pow x 2) y) 3))))
  (cbrt (cbrt (pow (- (pow x 2) y) 3)))
  (cbrt (pow (* (cbrt (- (pow x 2) y)) (cbrt (- (pow x 2) y))) 3))
  (cbrt (pow (cbrt (- (pow x 2) y)) 3))
  (cbrt (pow (sqrt (- (pow x 2) y)) 3))
  (cbrt (pow (sqrt (- (pow x 2) y)) 3))
  (cbrt (pow 1 3))
  (cbrt (pow (- (pow x 2) y) 3))
  (cbrt (pow (+ (pow (sqrt x) 2) (sqrt y)) 3))
  (cbrt (pow (- (pow (sqrt x) 2) (sqrt y)) 3))
  (cbrt (pow (+ x (sqrt y)) 3))
  (cbrt (pow (- x (sqrt y)) 3))
  (cbrt (pow (+ (sqrt (pow x 2)) (sqrt y)) 3))
  (cbrt (pow (- (sqrt (pow x 2)) (sqrt y)) 3))
  (cbrt (pow (+ (pow x (/ 2 2)) (sqrt y)) 3))
  (cbrt (pow (- (pow x (/ 2 2)) (sqrt y)) 3))
  (cbrt (pow 1 3))
  (cbrt (pow (- (pow x 2) y) 3))
  (cbrt (- (pow x 2) y))
  (cbrt (* (- (pow x 2) y) (- (pow x 2) y)))
  (cbrt (sqrt (pow (- (pow x 2) y) 3)))
  (cbrt (sqrt (pow (- (pow x 2) y) 3)))
  (cbrt 1)
  (cbrt (pow (- (pow x 2) y) 3))
  (cbrt (pow (- (pow x 2) y) (/ 3 2)))
  (cbrt (pow (- (pow x 2) y) (/ 3 2)))
  (cbrt (pow (- (pow (pow x 2) 3) (pow y 3)) 3))
  (cbrt (pow (+ (* (pow x 2) (pow x 2)) (+ (* y y) (* (pow x 2) y))) 3))
  (cbrt (pow (- (* (pow x 2) (pow x 2)) (* y y)) 3))
  (cbrt (pow (+ (pow x 2) y) 3))
  (* (cbrt (cbrt (pow (- (pow x 2) y) 3))) (cbrt (cbrt (pow (- (pow x 2) y) 3))))
  (cbrt (cbrt (pow (- (pow x 2) y) 3)))
  (* (* (cbrt (pow (- (pow x 2) y) 3)) (cbrt (pow (- (pow x 2) y) 3))) (cbrt (pow (- (pow x 2) y) 3)))
  (sqrt (cbrt (pow (- (pow x 2) y) 3)))
  (sqrt (cbrt (pow (- (pow x 2) y) 3)))
  (* (log (- (pow x 2) y)) 3)
  (* (log (- (pow x 2) y)) 3)
  (* 1 3)
  (pow (- (pow x 2) y) (* (cbrt 3) (cbrt 3)))
  (pow (- (pow x 2) y) (sqrt 3))
  (pow (- (pow x 2) y) 1)
  (pow (* (cbrt (- (pow x 2) y)) (cbrt (- (pow x 2) y))) 3)
  (pow (cbrt (- (pow x 2) y)) 3)
  (pow (sqrt (- (pow x 2) y)) 3)
  (pow (sqrt (- (pow x 2) y)) 3)
  (pow 1 3)
  (pow (- (pow x 2) y) 3)
  (pow (+ (pow (sqrt x) 2) (sqrt y)) 3)
  (pow (- (pow (sqrt x) 2) (sqrt y)) 3)
  (pow (+ x (sqrt y)) 3)
  (pow (- x (sqrt y)) 3)
  (pow (+ (sqrt (pow x 2)) (sqrt y)) 3)
  (pow (- (sqrt (pow x 2)) (sqrt y)) 3)
  (pow (+ (pow x (/ 2 2)) (sqrt y)) 3)
  (pow (- (pow x (/ 2 2)) (sqrt y)) 3)
  (pow 1 3)
  (pow (- (pow x 2) y) 3)
  (* (- (pow x 2) y) (- (pow x 2) y))
  (log (pow (- (pow x 2) y) 3))
  (exp (pow (- (pow x 2) y) 3))
  (* (cbrt (pow (- (pow x 2) y) 3)) (cbrt (pow (- (pow x 2) y) 3)))
  (cbrt (pow (- (pow x 2) y) 3))
  (* (* (pow (- (pow x 2) y) 3) (pow (- (pow x 2) y) 3)) (pow (- (pow x 2) y) 3))
  (pow (* (cbrt (- (pow x 2) y)) (cbrt (- (pow x 2) y))) 3)
  (pow (cbrt (- (pow x 2) y)) 3)
  (pow (sqrt (- (pow x 2) y)) 3)
  (pow (sqrt (- (pow x 2) y)) 3)
  (pow 1 3)
  (pow (- (pow x 2) y) 3)
  (pow (+ (pow (sqrt x) 2) (sqrt y)) 3)
  (pow (- (pow (sqrt x) 2) (sqrt y)) 3)
  (pow (+ x (sqrt y)) 3)
  (pow (- x (sqrt y)) 3)
  (pow (+ (sqrt (pow x 2)) (sqrt y)) 3)
  (pow (- (sqrt (pow x 2)) (sqrt y)) 3)
  (pow (+ (pow x (/ 2 2)) (sqrt y)) 3)
  (pow (- (pow x (/ 2 2)) (sqrt y)) 3)
  (pow 1 3)
  (pow (- (pow x 2) y) 3)
  (pow (- (pow (pow x 2) 3) (pow y 3)) 3)
  (pow (+ (* (pow x 2) (pow x 2)) (+ (* y y) (* (pow x 2) y))) 3)
  (pow (- (* (pow x 2) (pow x 2)) (* y y)) 3)
  (pow (+ (pow x 2) y) 3)
  (* (- (pow x 2) y) (- (pow x 2) y))
  (sqrt (pow (- (pow x 2) y) 3))
  (sqrt (pow (- (pow x 2) y) 3))
  (pow (- (pow x 2) y) (/ 3 2))
  (pow (- (pow x 2) y) (/ 3 2))
  (/ (exp (pow x 2)) (exp y))
  (log (- (pow x 2) y))
  (exp (- (pow x 2) y))
  (* (cbrt (- (pow x 2) y)) (cbrt (- (pow x 2) y)))
  (cbrt (- (pow x 2) y))
  (* (* (- (pow x 2) y) (- (pow x 2) y)) (- (pow x 2) y))
  (sqrt (- (pow x 2) y))
  (sqrt (- (pow x 2) y))
  (- (pow (pow x 2) 3) (pow y 3))
  (+ (* (pow x 2) (pow x 2)) (+ (* y y) (* (pow x 2) y)))
  (neg y)
  (- (* (pow x 2) (pow x 2)) (* y y))
  (+ (pow x 2) y)
  (+ (pow (sqrt x) 2) (sqrt y))
  (- (pow (sqrt x) 2) (sqrt y))
  (+ x (sqrt y))
  (- x (sqrt y))
  (+ (sqrt (pow x 2)) (sqrt y))
  (- (sqrt (pow x 2)) (sqrt y))
  (+ (pow x (/ 2 2)) (sqrt y))
  (- (pow x (/ 2 2)) (sqrt y))
  (- (pow x 2) y)
  (neg y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (* 3 (* (pow x 2) (pow y 2))) (+ (* 3 (* (pow x 4) y)) (pow y 3)))
  (- (+ (pow x 6) (* 3 (* (pow x 2) (pow y 2)))) (* 3 (* (pow x 4) y)))
  (- (+ (pow x 6) (* 3 (* (pow x 2) (pow y 2)))) (* 3 (* (pow x 4) y)))
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
0.617 * * [simplify]: iteration  0 :  285  enodes  (cost  479 )
0.622 * * [simplify]: iteration  1 :  1123  enodes  (cost  438 )
0.645 * * [simplify]: iteration  2 :  5002  enodes  (cost  432 )
0.649 * [simplify]: Simplified to:
   (log (- (pow x 2) y))
  (exp (- (pow x 2) y))
  (cbrt (* (- (pow x 2) y) (- (pow x 2) y)))
  (cbrt (- (pow x 2) y))
  (sqrt (- (pow x 2) y))
  (sqrt (- (pow x 2) y))
  1
  (- (pow x 2) y)
  (+ (sqrt y) x)
  (- x (sqrt y))
  (+ (sqrt y) x)
  (- x (sqrt y))
  (+ (sqrt (pow x 2)) (sqrt y))
  (- (sqrt (pow x 2)) (sqrt y))
  (+ (sqrt y) x)
  (- x (sqrt y))
  1
  (- (pow x 2) y)
  (cbrt (* (- (pow x 2) y) (- (pow x 2) y)))
  (cbrt (- (pow x 2) y))
  (cbrt (* (- (pow x 2) y) (- (pow x 2) y)))
  (cbrt (- (pow x 2) y))
  (cbrt (* (- (pow x 2) y) (- (pow x 2) y)))
  (cbrt (- (pow x 2) y))
  (sqrt (- (pow x 2) y))
  (sqrt (- (pow x 2) y))
  1
  (- (pow x 2) y)
  (+ (sqrt y) x)
  (- x (sqrt y))
  (+ (sqrt y) x)
  (- x (sqrt y))
  (+ (sqrt (pow x 2)) (sqrt y))
  (- (sqrt (pow x 2)) (sqrt y))
  (+ (sqrt y) x)
  (- x (sqrt y))
  1
  (- (pow x 2) y)
  (cbrt (- (pow x 2) y))
  (cbrt (* (- (pow x 2) y) (- (pow x 2) y)))
  (cbrt (sqrt (pow (- (pow x 2) y) 3)))
  (cbrt (sqrt (pow (- (pow x 2) y) 3)))
  1
  (- (pow x 2) y)
  (sqrt (- (pow x 2) y))
  (sqrt (- (pow x 2) y))
  (- (pow (pow x 2) 3) (pow y 3))
  (+ (* y (+ y (pow x 2))) (pow x 4))
  (- (pow x 4) (pow y 2))
  (+ (pow x 2) y)
  (cbrt (* (- (pow x 2) y) (- (pow x 2) y)))
  (cbrt (- (pow x 2) y))
  (pow (- (pow x 2) y) 3)
  (sqrt (- (pow x 2) y))
  (sqrt (- (pow x 2) y))
  (log (pow (- (pow x 2) y) 3))
  (log (pow (- (pow x 2) y) 3))
  3
  (pow (- (pow x 2) y) (* (cbrt 3) (cbrt 3)))
  (pow (- (pow x 2) y) (sqrt 3))
  (- (pow x 2) y)
  (pow (- (pow x 2) y) 2)
  (- (pow x 2) y)
  (pow (- (pow x 2) y) 3/2)
  (pow (- (pow x 2) y) 3/2)
  1
  (pow (- (pow x 2) y) 3)
  (pow (+ x (sqrt y)) 3)
  (pow (- x (sqrt y)) 3)
  (pow (+ x (sqrt y)) 3)
  (pow (- x (sqrt y)) 3)
  (pow (+ (sqrt (pow x 2)) (sqrt y)) 3)
  (pow (- (sqrt (pow x 2)) (sqrt y)) 3)
  (pow (+ x (sqrt y)) 3)
  (pow (- x (sqrt y)) 3)
  1
  (pow (- (pow x 2) y) 3)
  (pow (- (pow x 2) y) 2)
  (log (pow (- (pow x 2) y) 3))
  (exp (pow (- (pow x 2) y) 3))
  (pow (- (pow x 2) y) 2)
  (- (pow x 2) y)
  (pow (pow (- (pow x 2) y) 3) 3)
  (pow (- (pow x 2) y) 2)
  (- (pow x 2) y)
  (pow (- (pow x 2) y) 3/2)
  (pow (- (pow x 2) y) 3/2)
  1
  (pow (- (pow x 2) y) 3)
  (pow (+ x (sqrt y)) 3)
  (pow (- x (sqrt y)) 3)
  (pow (+ x (sqrt y)) 3)
  (pow (- x (sqrt y)) 3)
  (pow (+ (sqrt (pow x 2)) (sqrt y)) 3)
  (pow (- (sqrt (pow x 2)) (sqrt y)) 3)
  (pow (+ x (sqrt y)) 3)
  (pow (- x (sqrt y)) 3)
  1
  (pow (- (pow x 2) y) 3)
  (pow (- (pow (pow x 2) 3) (pow y 3)) 3)
  (pow (+ (* y (+ y (pow x 2))) (pow x 4)) 3)
  (pow (+ (pow x 4) (neg (pow y 2))) 3)
  (pow (+ (pow x 2) y) 3)
  (pow (- (pow x 2) y) 2)
  (sqrt (pow (- (pow x 2) y) 3))
  (sqrt (pow (- (pow x 2) y) 3))
  (pow (- (pow x 2) y) 3/2)
  (pow (- (pow x 2) y) 3/2)
  (exp (- (pow x 2) y))
  (log (- (pow x 2) y))
  (exp (- (pow x 2) y))
  (cbrt (* (- (pow x 2) y) (- (pow x 2) y)))
  (cbrt (- (pow x 2) y))
  (pow (- (pow x 2) y) 3)
  (sqrt (- (pow x 2) y))
  (sqrt (- (pow x 2) y))
  (- (pow (pow x 2) 3) (pow y 3))
  (+ (* y (+ y (pow x 2))) (pow x 4))
  (neg y)
  (- (pow x 4) (pow y 2))
  (+ (pow x 2) y)
  (+ (sqrt y) x)
  (- x (sqrt y))
  (+ (sqrt y) x)
  (- x (sqrt y))
  (+ (sqrt (pow x 2)) (sqrt y))
  (- (sqrt (pow x 2)) (sqrt y))
  (+ (sqrt y) x)
  (- x (sqrt y))
  (- (pow x 2) y)
  (neg y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (* 3 (* (pow x 2) (pow y 2))) (+ (* 3 (* (pow x 4) y)) (pow y 3)))
  (+ (* 3 (- (* (pow x 2) (pow y 2)) (* (pow x 4) y))) (pow x 6))
  (+ (* 3 (- (* (pow x 2) (pow y 2)) (* (pow x 4) y))) (pow x 6))
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
0.650 * * * [progress]: adding candidates to table
0.773 * [progress]: [Phase 3 of 3] Extracting.
0.773 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* 0.5 (- (* x x) y)))> #<alt (λ (x y) (* 0.5 (cbrt (pow (- (pow x 2) y) 3))))>)
0.773 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (- (* x x) y) (* 0.5 (- (* x x) y)) y x)
0.774 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (* 0.5 (- (* x x) y)))> #<alt (λ (x y) (* 0.5 (cbrt (pow (- (pow x 2) y) 3))))>)
0.789 * * * * [regimes]: Trying to branch on (- (* x x) y) from (#<alt (λ (x y) (* 0.5 (- (* x x) y)))> #<alt (λ (x y) (* 0.5 (cbrt (pow (- (pow x 2) y) 3))))>)
0.801 * * * * [regimes]: Trying to branch on (* 0.5 (- (* x x) y)) from (#<alt (λ (x y) (* 0.5 (- (* x x) y)))> #<alt (λ (x y) (* 0.5 (cbrt (pow (- (pow x 2) y) 3))))>)
0.813 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* 0.5 (- (* x x) y)))> #<alt (λ (x y) (* 0.5 (cbrt (pow (- (pow x 2) y) 3))))>)
0.827 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* 0.5 (- (* x x) y)))> #<alt (λ (x y) (* 0.5 (cbrt (pow (- (pow x 2) y) 3))))>)
0.839 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.840 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.840 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.840 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.841 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
1.361 * [regime-testing]: Baseline error score: 0.020127515939492437
1.362 * [regime-testing]: Oracle error score: 0.01975246905863233
1.363 * [regime-testing]: End program error score: 0.020127515939492437