0.654 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.310 * * * [progress]: [2/2] Setting up program.
0.312 * [progress]: [Phase 2 of 3] Improving.
0.315 * [simplify]: Simplifying:
  (* 0.5 (- (* x x) y))
0.315 * [simplify]: Sending expressions to egg_math:
 (* h2 (- (* h1 h1) h0))
0.318 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.319 * * [simplify]: iteration  1 :  16  enodes  (cost  3 )
0.321 * * [simplify]: iteration  2 :  26  enodes  (cost  3 )
0.322 * * [simplify]: iteration  3 :  33  enodes  (cost  3 )
0.323 * * [simplify]: iteration  4 :  33  enodes  (cost  3 )
0.325 * * [progress]: iteration 1 / 4
0.325 * * * [progress]: picking best candidate
0.327 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.327 * * * [progress]: localizing error
0.334 * * * [progress]: generating rewritten candidates
0.334 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.371 * * * [progress]: generating series expansions
0.371 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.378 * [backup-simplify]: Simplify (- (* x x) y) into (- (pow x 2) y)
0.378 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.379 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.379 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.379 * [taylor]: Taking taylor expansion of x in y
0.379 * [backup-simplify]: Simplify x into x
0.379 * [taylor]: Taking taylor expansion of y in y
0.379 * [backup-simplify]: Simplify 0 into 0
0.379 * [backup-simplify]: Simplify 1 into 1
0.379 * [taylor]: Taking taylor expansion of (- (pow x 2) y) 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 * [backup-simplify]: Simplify 0 into 0
0.379 * [backup-simplify]: Simplify 1 into 1
0.379 * [taylor]: Taking taylor expansion of y in x
0.379 * [backup-simplify]: Simplify y into y
0.379 * [taylor]: Taking taylor expansion of (- (pow x 2) y) 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 * [backup-simplify]: Simplify 0 into 0
0.379 * [backup-simplify]: Simplify 1 into 1
0.380 * [taylor]: Taking taylor expansion of y in x
0.380 * [backup-simplify]: Simplify y into y
0.380 * [backup-simplify]: Simplify (- y) into (- y)
0.380 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
0.380 * [taylor]: Taking taylor expansion of (- y) in y
0.380 * [taylor]: Taking taylor expansion of y in y
0.380 * [backup-simplify]: Simplify 0 into 0
0.380 * [backup-simplify]: Simplify 1 into 1
0.381 * [backup-simplify]: Simplify (- 0) into 0
0.381 * [backup-simplify]: Simplify 0 into 0
0.381 * [backup-simplify]: Simplify (- 0) into 0
0.382 * [backup-simplify]: Simplify (+ 0 0) into 0
0.382 * [taylor]: Taking taylor expansion of 0 in y
0.382 * [backup-simplify]: Simplify 0 into 0
0.382 * [backup-simplify]: Simplify 0 into 0
0.382 * [backup-simplify]: Simplify (- 1) into -1
0.382 * [backup-simplify]: Simplify -1 into -1
0.383 * [backup-simplify]: Simplify (* 1 1) into 1
0.383 * [backup-simplify]: Simplify (- 0) into 0
0.383 * [backup-simplify]: Simplify (+ 1 0) into 1
0.383 * [taylor]: Taking taylor expansion of 1 in y
0.383 * [backup-simplify]: Simplify 1 into 1
0.383 * [backup-simplify]: Simplify 1 into 1
0.383 * [backup-simplify]: Simplify 0 into 0
0.383 * [backup-simplify]: Simplify (- 0) into 0
0.383 * [backup-simplify]: Simplify 0 into 0
0.384 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.384 * [backup-simplify]: Simplify (- 0) into 0
0.384 * [backup-simplify]: Simplify (+ 0 0) into 0
0.384 * [taylor]: Taking taylor expansion of 0 in y
0.384 * [backup-simplify]: Simplify 0 into 0
0.384 * [backup-simplify]: Simplify 0 into 0
0.384 * [backup-simplify]: Simplify 0 into 0
0.384 * [backup-simplify]: Simplify 0 into 0
0.385 * [backup-simplify]: Simplify (- 0) into 0
0.385 * [backup-simplify]: Simplify 0 into 0
0.385 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 x) 2)) (* -1 (* y 1))) into (- (pow x 2) y)
0.385 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (/ 1 y)) into (- (/ 1 (pow x 2)) (/ 1 y))
0.385 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.385 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.385 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.385 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.385 * [taylor]: Taking taylor expansion of x in y
0.385 * [backup-simplify]: Simplify x into x
0.386 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.386 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.386 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.386 * [taylor]: Taking taylor expansion of y in y
0.386 * [backup-simplify]: Simplify 0 into 0
0.386 * [backup-simplify]: Simplify 1 into 1
0.386 * [backup-simplify]: Simplify (/ 1 1) into 1
0.386 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.386 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.386 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.386 * [taylor]: Taking taylor expansion of x in x
0.386 * [backup-simplify]: Simplify 0 into 0
0.386 * [backup-simplify]: Simplify 1 into 1
0.386 * [backup-simplify]: Simplify (* 1 1) into 1
0.386 * [backup-simplify]: Simplify (/ 1 1) into 1
0.387 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.387 * [taylor]: Taking taylor expansion of y in x
0.387 * [backup-simplify]: Simplify y into y
0.387 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.387 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.387 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.387 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.387 * [taylor]: Taking taylor expansion of x in x
0.387 * [backup-simplify]: Simplify 0 into 0
0.387 * [backup-simplify]: Simplify 1 into 1
0.387 * [backup-simplify]: Simplify (* 1 1) into 1
0.387 * [backup-simplify]: Simplify (/ 1 1) into 1
0.387 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.387 * [taylor]: Taking taylor expansion of y in x
0.387 * [backup-simplify]: Simplify y into y
0.387 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.388 * [backup-simplify]: Simplify (+ 1 0) into 1
0.388 * [taylor]: Taking taylor expansion of 1 in y
0.388 * [backup-simplify]: Simplify 1 into 1
0.388 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.388 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.389 * [backup-simplify]: Simplify (+ 0 0) into 0
0.389 * [taylor]: Taking taylor expansion of 0 in y
0.389 * [backup-simplify]: Simplify 0 into 0
0.389 * [backup-simplify]: Simplify 1 into 1
0.389 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.390 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.390 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.390 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.390 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.390 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.390 * [taylor]: Taking taylor expansion of y in y
0.390 * [backup-simplify]: Simplify 0 into 0
0.390 * [backup-simplify]: Simplify 1 into 1
0.390 * [backup-simplify]: Simplify (/ 1 1) into 1
0.390 * [backup-simplify]: Simplify (- 1) into -1
0.390 * [backup-simplify]: Simplify -1 into -1
0.390 * [backup-simplify]: Simplify 0 into 0
0.390 * [backup-simplify]: Simplify 0 into 0
0.391 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.392 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.392 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.392 * [backup-simplify]: Simplify (- 0) into 0
0.392 * [backup-simplify]: Simplify (+ 0 0) into 0
0.392 * [taylor]: Taking taylor expansion of 0 in y
0.392 * [backup-simplify]: Simplify 0 into 0
0.393 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.393 * [backup-simplify]: Simplify (- 0) into 0
0.393 * [backup-simplify]: Simplify 0 into 0
0.393 * [backup-simplify]: Simplify 0 into 0
0.393 * [backup-simplify]: Simplify 0 into 0
0.394 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.394 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.394 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.395 * [backup-simplify]: Simplify (- 0) into 0
0.395 * [backup-simplify]: Simplify (+ 0 0) into 0
0.395 * [taylor]: Taking taylor expansion of 0 in y
0.395 * [backup-simplify]: Simplify 0 into 0
0.395 * [backup-simplify]: Simplify 0 into 0
0.395 * [backup-simplify]: Simplify (+ (* -1 (* (/ 1 (/ 1 y)) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2))) into (- (pow x 2) y)
0.395 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y))) into (+ (/ 1 (pow x 2)) (/ 1 y))
0.395 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.395 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.395 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.395 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.395 * [taylor]: Taking taylor expansion of x in y
0.395 * [backup-simplify]: Simplify x into x
0.396 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.396 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.396 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.396 * [taylor]: Taking taylor expansion of y in y
0.396 * [backup-simplify]: Simplify 0 into 0
0.396 * [backup-simplify]: Simplify 1 into 1
0.396 * [backup-simplify]: Simplify (/ 1 1) into 1
0.396 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.396 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.396 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.396 * [taylor]: Taking taylor expansion of x in x
0.396 * [backup-simplify]: Simplify 0 into 0
0.396 * [backup-simplify]: Simplify 1 into 1
0.396 * [backup-simplify]: Simplify (* 1 1) into 1
0.396 * [backup-simplify]: Simplify (/ 1 1) into 1
0.396 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.397 * [taylor]: Taking taylor expansion of y in x
0.397 * [backup-simplify]: Simplify y into y
0.397 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.397 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.397 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.397 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.397 * [taylor]: Taking taylor expansion of x in x
0.397 * [backup-simplify]: Simplify 0 into 0
0.397 * [backup-simplify]: Simplify 1 into 1
0.397 * [backup-simplify]: Simplify (* 1 1) into 1
0.397 * [backup-simplify]: Simplify (/ 1 1) into 1
0.397 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.397 * [taylor]: Taking taylor expansion of y in x
0.397 * [backup-simplify]: Simplify y into y
0.397 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.397 * [backup-simplify]: Simplify (+ 1 0) into 1
0.398 * [taylor]: Taking taylor expansion of 1 in y
0.398 * [backup-simplify]: Simplify 1 into 1
0.398 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.398 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.399 * [backup-simplify]: Simplify (+ 0 0) into 0
0.399 * [taylor]: Taking taylor expansion of 0 in y
0.399 * [backup-simplify]: Simplify 0 into 0
0.399 * [backup-simplify]: Simplify 1 into 1
0.399 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.400 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.400 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.400 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.400 * [taylor]: Taking taylor expansion of y in y
0.400 * [backup-simplify]: Simplify 0 into 0
0.400 * [backup-simplify]: Simplify 1 into 1
0.400 * [backup-simplify]: Simplify (/ 1 1) into 1
0.400 * [backup-simplify]: Simplify 1 into 1
0.400 * [backup-simplify]: Simplify 0 into 0
0.400 * [backup-simplify]: Simplify 0 into 0
0.400 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.401 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.401 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.401 * [backup-simplify]: Simplify (+ 0 0) into 0
0.401 * [taylor]: Taking taylor expansion of 0 in y
0.401 * [backup-simplify]: Simplify 0 into 0
0.402 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.402 * [backup-simplify]: Simplify 0 into 0
0.402 * [backup-simplify]: Simplify 0 into 0
0.402 * [backup-simplify]: Simplify 0 into 0
0.402 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.403 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.403 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.403 * [backup-simplify]: Simplify (+ 0 0) into 0
0.403 * [taylor]: Taking taylor expansion of 0 in y
0.403 * [backup-simplify]: Simplify 0 into 0
0.403 * [backup-simplify]: Simplify 0 into 0
0.404 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 (/ 1 (- y))) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2))) into (- (pow x 2) y)
0.404 * * * [progress]: simplifying candidates
0.404 * [simplify]: Simplifying:
  (/ (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)))
  (- y)
  (- (* (* x x) (* x x)) (* y y))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (- y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
0.404 * [simplify]: Sending expressions to egg_math:
 (/ (exp (* h1 h1)) (exp h0))
 (log (- (* h1 h1) h0))
 (exp (- (* h1 h1) h0))
 (* (cbrt (- (* h1 h1) h0)) (cbrt (- (* h1 h1) h0)))
 (cbrt (- (* h1 h1) h0))
 (* (* (- (* h1 h1) h0) (- (* h1 h1) h0)) (- (* h1 h1) h0))
 (sqrt (- (* h1 h1) h0))
 (sqrt (- (* h1 h1) h0))
 (- (pow (* h1 h1) 3) (pow h0 3))
 (+ (* (* h1 h1) (* h1 h1)) (+ (* h0 h0) (* (* h1 h1) h0)))
 (- h0)
 (- (* (* h1 h1) (* h1 h1)) (* h0 h0))
 (+ (* h1 h1) h0)
 (+ h1 (sqrt h0))
 (- h1 (sqrt h0))
 (- h0)
 (- (pow h1 2) h0)
 (- (pow h1 2) h0)
 (- (pow h1 2) h0)
0.407 * * [simplify]: iteration  0 :  73  enodes  (cost  63 )
0.408 * * [simplify]: iteration  1 :  216  enodes  (cost  56 )
0.412 * * [simplify]: iteration  2 :  535  enodes  (cost  56 )
0.423 * * [simplify]: iteration  3 :  1812  enodes  (cost  56 )
0.462 * * [simplify]: iteration  4 :  5001  enodes  (cost  56 )
0.463 * * * [progress]: adding candidates to table
0.489 * [progress]: [Phase 3 of 3] Extracting.
0.491 * [simplify]: Simplifying:
  (* 0.5 (- (* x x) y))
0.491 * [simplify]: Sending expressions to egg_math:
 (* h2 (- (* h1 h1) h0))
0.491 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.492 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.932 * [regime-testing]: End program error score: 0.020978541682967568