0.848 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.276 * * * [progress]: [2/2] Setting up program.
0.279 * [progress]: [Phase 2 of 3] Improving.
0.281 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.285 * * [simplify]: iteration  0 :  10  enodes  (cost  3 )
0.286 * * [simplify]: iteration  1 :  17  enodes  (cost  3 )
0.288 * * [simplify]: iteration  2 :  29  enodes  (cost  3 )
0.289 * * [simplify]: iteration  3 :  41  enodes  (cost  3 )
0.290 * * [simplify]: iteration  4 :  44  enodes  (cost  3 )
0.292 * * [simplify]: iteration  5 :  44  enodes  (cost  3 )
0.292 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.293 * * [progress]: iteration 1 / 4
0.293 * * * [progress]: picking best candidate
0.295 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.295 * * * [progress]: localizing error
0.302 * * * [progress]: generating rewritten candidates
0.302 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.310 * * * [progress]: generating series expansions
0.310 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.315 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.315 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.315 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.315 * [taylor]: Taking taylor expansion of x in y
0.316 * [taylor]: Taking taylor expansion of y in y
0.316 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.316 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.316 * [taylor]: Taking taylor expansion of x in x
0.316 * [taylor]: Taking taylor expansion of y in x
0.316 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.316 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.316 * [taylor]: Taking taylor expansion of x in x
0.316 * [taylor]: Taking taylor expansion of y in x
0.317 * [taylor]: Taking taylor expansion of (- y) in y
0.317 * [taylor]: Taking taylor expansion of y in y
0.318 * [taylor]: Taking taylor expansion of 0 in y
0.319 * [taylor]: Taking taylor expansion of 1 in y
0.320 * [taylor]: Taking taylor expansion of 0 in y
0.321 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.321 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.321 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.321 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.321 * [taylor]: Taking taylor expansion of x in y
0.322 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.322 * [taylor]: Taking taylor expansion of y in y
0.322 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.322 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.322 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.322 * [taylor]: Taking taylor expansion of x in x
0.322 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.322 * [taylor]: Taking taylor expansion of y in x
0.322 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.322 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.323 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.323 * [taylor]: Taking taylor expansion of x in x
0.323 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.323 * [taylor]: Taking taylor expansion of y in x
0.323 * [taylor]: Taking taylor expansion of 1 in y
0.325 * [taylor]: Taking taylor expansion of 0 in y
0.326 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.326 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.326 * [taylor]: Taking taylor expansion of y in y
0.328 * [taylor]: Taking taylor expansion of 0 in y
0.331 * [taylor]: Taking taylor expansion of 0 in y
0.332 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.332 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.332 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.332 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.332 * [taylor]: Taking taylor expansion of x in y
0.332 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.332 * [taylor]: Taking taylor expansion of y in y
0.332 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.332 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.332 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.332 * [taylor]: Taking taylor expansion of x in x
0.333 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.333 * [taylor]: Taking taylor expansion of y in x
0.333 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.333 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.333 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.333 * [taylor]: Taking taylor expansion of x in x
0.333 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.333 * [taylor]: Taking taylor expansion of y in x
0.334 * [taylor]: Taking taylor expansion of 1 in y
0.335 * [taylor]: Taking taylor expansion of 0 in y
0.336 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.336 * [taylor]: Taking taylor expansion of y in y
0.337 * [taylor]: Taking taylor expansion of 0 in y
0.339 * [taylor]: Taking taylor expansion of 0 in y
0.339 * * * [progress]: simplifying candidates
0.340 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma x x (- (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y))))
  (fma x x (- (* (sqrt y) (sqrt y))))
  (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y)))
  (fma x x (- (* y 1)))
  (fma (- y) 1 (* y 1))
  (expm1 (- (* x x) y))
  (log1p (- (* x x) y))
  (- y)
  (/ (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)
0.343 * * [simplify]: iteration  0 :  115  enodes  (cost  95 )
0.346 * * [simplify]: iteration  1 :  414  enodes  (cost  73 )
0.355 * * [simplify]: iteration  2 :  2048  enodes  (cost  67 )
0.404 * * [simplify]: iteration  3 :  5001  enodes  (cost  64 )
0.405 * [simplify]: Simplified to:
   (- (* x x) y)
  0
  (- (* x x) y)
  0
  (- (* x x) y)
  0
  (expm1 (- (* x x) y))
  (log1p (- (* x x) y))
  (- y)
  (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 (- (* x x) y) 3)
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (- (pow (* x x) 3) (pow y 3))
  (fma (fma x x y) y (pow x 4))
  (- y)
  (fma (- y) y (pow x 4))
  (fma x x y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (- y)
  (- (* x x) y)
  (- (* x x) y)
  (- (* x x) y)
0.406 * * * [progress]: adding candidates to table
0.452 * * [progress]: iteration 2 / 4
0.452 * * * [progress]: picking best candidate
0.453 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (fma x x (- y))))>
0.453 * * * [progress]: localizing error
0.458 * * * [progress]: generating rewritten candidates
0.458 * * * [progress]: generating series expansions
0.458 * * * [progress]: simplifying candidates
0.459 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.461 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.461 * [simplify]: Simplified to:
   
0.461 * * * [progress]: adding candidates to table
0.461 * [progress]: [Phase 3 of 3] Extracting.
0.463 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (fma x x (- y)))
0.463 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.463 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.464 * [simplify]: Simplified to:
   (* 0.5 (fma x x (- y)))
1.000 * [regime-testing]: End program error score: 0.016002000250031255