0.618 * [progress]: [Phase 1 of 3] Setting up.
0.026 * * * [progress]: [1/2] Preparing points
0.119 * * * [progress]: [2/2] Setting up program.
0.148 * [progress]: [Phase 2 of 3] Improving.
0.153 * [simplify]: Simplifying:
  (* 0.5 (- (* x x) y))
0.154 * [simplify]: Sending expressions to egg_math:
 (* h2 (- (* h1 h1) h0))
0.163 * * [progress]: iteration 1 / 4
0.163 * * * [progress]: picking best candidate
0.166 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.166 * * * [progress]: localizing error
0.201 * * * [progress]: generating rewritten candidates
0.202 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.246 * * * [progress]: generating series expansions
0.247 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.251 * [backup-simplify]: Simplify (- (* x x) y) into (- (pow x 2) y)
0.251 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.252 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.252 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.252 * [taylor]: Taking taylor expansion of x in y
0.252 * [backup-simplify]: Simplify x into x
0.252 * [taylor]: Taking taylor expansion of y in y
0.252 * [backup-simplify]: Simplify 0 into 0
0.252 * [backup-simplify]: Simplify 1 into 1
0.253 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.253 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [backup-simplify]: Simplify 0 into 0
0.253 * [backup-simplify]: Simplify 1 into 1
0.253 * [taylor]: Taking taylor expansion of y in x
0.253 * [backup-simplify]: Simplify y into y
0.253 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.253 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [backup-simplify]: Simplify 0 into 0
0.253 * [backup-simplify]: Simplify 1 into 1
0.253 * [taylor]: Taking taylor expansion of y in x
0.253 * [backup-simplify]: Simplify y into y
0.254 * [backup-simplify]: Simplify (- y) into (- y)
0.254 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
0.254 * [taylor]: Taking taylor expansion of (- y) in y
0.254 * [taylor]: Taking taylor expansion of y in y
0.254 * [backup-simplify]: Simplify 0 into 0
0.254 * [backup-simplify]: Simplify 1 into 1
0.255 * [backup-simplify]: Simplify (- 0) into 0
0.255 * [backup-simplify]: Simplify 0 into 0
0.255 * [backup-simplify]: Simplify (- 0) into 0
0.256 * [backup-simplify]: Simplify (+ 0 0) into 0
0.256 * [taylor]: Taking taylor expansion of 0 in y
0.256 * [backup-simplify]: Simplify 0 into 0
0.256 * [backup-simplify]: Simplify 0 into 0
0.256 * [backup-simplify]: Simplify (- 1) into -1
0.256 * [backup-simplify]: Simplify -1 into -1
0.257 * [backup-simplify]: Simplify (* 1 1) into 1
0.257 * [backup-simplify]: Simplify (- 0) into 0
0.257 * [backup-simplify]: Simplify (+ 1 0) into 1
0.257 * [taylor]: Taking taylor expansion of 1 in y
0.257 * [backup-simplify]: Simplify 1 into 1
0.257 * [backup-simplify]: Simplify 1 into 1
0.257 * [backup-simplify]: Simplify 0 into 0
0.257 * [backup-simplify]: Simplify (- 0) into 0
0.257 * [backup-simplify]: Simplify 0 into 0
0.258 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.258 * [backup-simplify]: Simplify (- 0) into 0
0.258 * [backup-simplify]: Simplify (+ 0 0) into 0
0.258 * [taylor]: Taking taylor expansion of 0 in y
0.258 * [backup-simplify]: Simplify 0 into 0
0.258 * [backup-simplify]: Simplify 0 into 0
0.258 * [backup-simplify]: Simplify 0 into 0
0.258 * [backup-simplify]: Simplify 0 into 0
0.259 * [backup-simplify]: Simplify (- 0) into 0
0.259 * [backup-simplify]: Simplify 0 into 0
0.259 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 x) 2)) (* -1 (* y 1))) into (- (pow x 2) y)
0.259 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (/ 1 y)) into (- (/ 1 (pow x 2)) (/ 1 y))
0.260 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.260 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.260 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.260 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.260 * [taylor]: Taking taylor expansion of x in y
0.260 * [backup-simplify]: Simplify x into x
0.260 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.260 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.260 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.260 * [taylor]: Taking taylor expansion of y in y
0.260 * [backup-simplify]: Simplify 0 into 0
0.260 * [backup-simplify]: Simplify 1 into 1
0.260 * [backup-simplify]: Simplify (/ 1 1) into 1
0.260 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.260 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.260 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.260 * [taylor]: Taking taylor expansion of x in x
0.260 * [backup-simplify]: Simplify 0 into 0
0.260 * [backup-simplify]: Simplify 1 into 1
0.261 * [backup-simplify]: Simplify (* 1 1) into 1
0.261 * [backup-simplify]: Simplify (/ 1 1) into 1
0.261 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.261 * [taylor]: Taking taylor expansion of y in x
0.261 * [backup-simplify]: Simplify y into y
0.261 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.261 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.261 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.261 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.261 * [taylor]: Taking taylor expansion of x in x
0.261 * [backup-simplify]: Simplify 0 into 0
0.261 * [backup-simplify]: Simplify 1 into 1
0.261 * [backup-simplify]: Simplify (* 1 1) into 1
0.262 * [backup-simplify]: Simplify (/ 1 1) into 1
0.262 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.262 * [taylor]: Taking taylor expansion of y in x
0.262 * [backup-simplify]: Simplify y into y
0.262 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.262 * [backup-simplify]: Simplify (+ 1 0) into 1
0.262 * [taylor]: Taking taylor expansion of 1 in y
0.262 * [backup-simplify]: Simplify 1 into 1
0.263 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.263 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.263 * [backup-simplify]: Simplify (+ 0 0) into 0
0.263 * [taylor]: Taking taylor expansion of 0 in y
0.263 * [backup-simplify]: Simplify 0 into 0
0.263 * [backup-simplify]: Simplify 1 into 1
0.264 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.264 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.265 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.265 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.265 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.265 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.265 * [taylor]: Taking taylor expansion of y in y
0.265 * [backup-simplify]: Simplify 0 into 0
0.265 * [backup-simplify]: Simplify 1 into 1
0.265 * [backup-simplify]: Simplify (/ 1 1) into 1
0.265 * [backup-simplify]: Simplify (- 1) into -1
0.266 * [backup-simplify]: Simplify -1 into -1
0.266 * [backup-simplify]: Simplify 0 into 0
0.266 * [backup-simplify]: Simplify 0 into 0
0.266 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.267 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.267 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.267 * [backup-simplify]: Simplify (- 0) into 0
0.268 * [backup-simplify]: Simplify (+ 0 0) into 0
0.268 * [taylor]: Taking taylor expansion of 0 in y
0.268 * [backup-simplify]: Simplify 0 into 0
0.268 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.268 * [backup-simplify]: Simplify (- 0) into 0
0.268 * [backup-simplify]: Simplify 0 into 0
0.268 * [backup-simplify]: Simplify 0 into 0
0.268 * [backup-simplify]: Simplify 0 into 0
0.269 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.270 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.270 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.270 * [backup-simplify]: Simplify (- 0) into 0
0.270 * [backup-simplify]: Simplify (+ 0 0) into 0
0.270 * [taylor]: Taking taylor expansion of 0 in y
0.271 * [backup-simplify]: Simplify 0 into 0
0.271 * [backup-simplify]: Simplify 0 into 0
0.271 * [backup-simplify]: Simplify (+ (* -1 (* (/ 1 (/ 1 y)) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2))) into (- (pow x 2) y)
0.271 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y))) into (+ (/ 1 (pow x 2)) (/ 1 y))
0.271 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.271 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.271 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.271 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.271 * [taylor]: Taking taylor expansion of x in y
0.271 * [backup-simplify]: Simplify x into x
0.271 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.271 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.272 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.272 * [taylor]: Taking taylor expansion of y in y
0.272 * [backup-simplify]: Simplify 0 into 0
0.272 * [backup-simplify]: Simplify 1 into 1
0.272 * [backup-simplify]: Simplify (/ 1 1) into 1
0.272 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.272 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.272 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.272 * [taylor]: Taking taylor expansion of x in x
0.272 * [backup-simplify]: Simplify 0 into 0
0.272 * [backup-simplify]: Simplify 1 into 1
0.272 * [backup-simplify]: Simplify (* 1 1) into 1
0.272 * [backup-simplify]: Simplify (/ 1 1) into 1
0.273 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.273 * [taylor]: Taking taylor expansion of y in x
0.273 * [backup-simplify]: Simplify y into y
0.273 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.273 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.273 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.273 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.273 * [taylor]: Taking taylor expansion of x in x
0.273 * [backup-simplify]: Simplify 0 into 0
0.273 * [backup-simplify]: Simplify 1 into 1
0.273 * [backup-simplify]: Simplify (* 1 1) into 1
0.273 * [backup-simplify]: Simplify (/ 1 1) into 1
0.273 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.273 * [taylor]: Taking taylor expansion of y in x
0.273 * [backup-simplify]: Simplify y into y
0.273 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.274 * [backup-simplify]: Simplify (+ 1 0) into 1
0.274 * [taylor]: Taking taylor expansion of 1 in y
0.274 * [backup-simplify]: Simplify 1 into 1
0.274 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.274 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.275 * [backup-simplify]: Simplify (+ 0 0) into 0
0.275 * [taylor]: Taking taylor expansion of 0 in y
0.275 * [backup-simplify]: Simplify 0 into 0
0.275 * [backup-simplify]: Simplify 1 into 1
0.275 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.276 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.276 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.276 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.276 * [taylor]: Taking taylor expansion of y in y
0.276 * [backup-simplify]: Simplify 0 into 0
0.276 * [backup-simplify]: Simplify 1 into 1
0.277 * [backup-simplify]: Simplify (/ 1 1) into 1
0.277 * [backup-simplify]: Simplify 1 into 1
0.277 * [backup-simplify]: Simplify 0 into 0
0.277 * [backup-simplify]: Simplify 0 into 0
0.278 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.279 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.279 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.279 * [backup-simplify]: Simplify (+ 0 0) into 0
0.279 * [taylor]: Taking taylor expansion of 0 in y
0.279 * [backup-simplify]: Simplify 0 into 0
0.279 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.279 * [backup-simplify]: Simplify 0 into 0
0.279 * [backup-simplify]: Simplify 0 into 0
0.279 * [backup-simplify]: Simplify 0 into 0
0.280 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.281 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.281 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.281 * [backup-simplify]: Simplify (+ 0 0) into 0
0.281 * [taylor]: Taking taylor expansion of 0 in y
0.281 * [backup-simplify]: Simplify 0 into 0
0.281 * [backup-simplify]: Simplify 0 into 0
0.281 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 (/ 1 (- y))) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2))) into (- (pow x 2) y)
0.281 * * * [progress]: simplifying candidates
0.282 * [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)
0.282 * [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)