19.333 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.013 * [simplify]: Simplifying:
  (sqrt (fabs (- x y)))
0.013 * [simplify]: Sending expressions to egg_math:
 (sqrt (fabs (- h0 h1)))
0.014 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.016 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.017 * * [simplify]: iteration  2 :  8  enodes  (cost  3 )
0.017 * * [progress]: iteration 1 / 4
0.017 * * * [progress]: picking best candidate
0.019 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (fabs (- x y))))>
0.019 * * * [progress]: localizing error
0.023 * * * [progress]: generating rewritten candidates
0.023 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.024 * * * [progress]: generating series expansions
0.024 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.025 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.025 * [approximate]: Taking taylor expansion of (sqrt (fabs (- x y))) in (x y) around 0
0.025 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in y
0.025 * [taylor]: Taking taylor expansion of (fabs (- x y)) in y
0.025 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.025 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.025 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.025 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in x
0.025 * [taylor]: Taking taylor expansion of (fabs (- x y)) in x
0.025 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.025 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.025 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.025 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in x
0.025 * [taylor]: Taking taylor expansion of (fabs (- x y)) in x
0.025 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.025 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.025 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.025 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in y
0.026 * [taylor]: Taking taylor expansion of (fabs (- x y)) in y
0.026 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.026 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.026 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.026 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.026 * [taylor]: Taking taylor expansion of 0 in y
0.026 * [backup-simplify]: Simplify 0 into 0
0.026 * [backup-simplify]: Simplify 0 into 0
0.026 * [backup-simplify]: Simplify 0 into 0
0.026 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- x y))))) into 0
0.027 * [taylor]: Taking taylor expansion of 0 in y
0.027 * [backup-simplify]: Simplify 0 into 0
0.027 * [backup-simplify]: Simplify 0 into 0
0.027 * [backup-simplify]: Simplify 0 into 0
0.027 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- x y))))) into 0
0.027 * [backup-simplify]: Simplify 0 into 0
0.028 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- x y))))) into 0
0.028 * [taylor]: Taking taylor expansion of 0 in y
0.028 * [backup-simplify]: Simplify 0 into 0
0.028 * [backup-simplify]: Simplify 0 into 0
0.028 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.028 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.028 * [approximate]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in (x y) around 0
0.028 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in y
0.028 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in y
0.028 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.028 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.028 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.028 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in x
0.028 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in x
0.028 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.028 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.028 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.028 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in x
0.028 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in x
0.029 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.029 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.029 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.029 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in y
0.029 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in y
0.029 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.029 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.029 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.029 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.029 * [taylor]: Taking taylor expansion of 0 in y
0.029 * [backup-simplify]: Simplify 0 into 0
0.029 * [backup-simplify]: Simplify 0 into 0
0.029 * [backup-simplify]: Simplify 0 into 0
0.030 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.030 * [taylor]: Taking taylor expansion of 0 in y
0.030 * [backup-simplify]: Simplify 0 into 0
0.030 * [backup-simplify]: Simplify 0 into 0
0.030 * [backup-simplify]: Simplify 0 into 0
0.030 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.030 * [backup-simplify]: Simplify 0 into 0
0.031 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.031 * [taylor]: Taking taylor expansion of 0 in y
0.031 * [backup-simplify]: Simplify 0 into 0
0.031 * [backup-simplify]: Simplify 0 into 0
0.031 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (/ 1 x)) (/ 1 (/ 1 y))))) into (sqrt (fabs (- x y)))
0.031 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (- x)) (/ 1 (- y))))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.031 * [approximate]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.031 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in y
0.031 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in y
0.031 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.031 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.031 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.031 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in x
0.031 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in x
0.032 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.032 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.032 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.032 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in x
0.032 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in x
0.032 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.032 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.032 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.032 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in y
0.032 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in y
0.032 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.032 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.032 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.032 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.032 * [taylor]: Taking taylor expansion of 0 in y
0.033 * [backup-simplify]: Simplify 0 into 0
0.033 * [backup-simplify]: Simplify 0 into 0
0.033 * [backup-simplify]: Simplify 0 into 0
0.033 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.033 * [taylor]: Taking taylor expansion of 0 in y
0.033 * [backup-simplify]: Simplify 0 into 0
0.033 * [backup-simplify]: Simplify 0 into 0
0.033 * [backup-simplify]: Simplify 0 into 0
0.034 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.034 * [backup-simplify]: Simplify 0 into 0
0.034 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.034 * [taylor]: Taking taylor expansion of 0 in y
0.034 * [backup-simplify]: Simplify 0 into 0
0.034 * [backup-simplify]: Simplify 0 into 0
0.034 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (sqrt (fabs (- x y)))
0.034 * * * [progress]: simplifying candidates
0.035 * [simplify]: Simplifying:
  (expm1 (sqrt (fabs (- x y))))
  (log1p (sqrt (fabs (- x y))))
  (log (sqrt (fabs (- x y))))
  (exp (sqrt (fabs (- x y))))
  (* (cbrt (sqrt (fabs (- x y)))) (cbrt (sqrt (fabs (- x y)))))
  (cbrt (sqrt (fabs (- x y))))
  (* (* (sqrt (fabs (- x y))) (sqrt (fabs (- x y)))) (sqrt (fabs (- x y))))
  (sqrt (* (cbrt (fabs (- x y))) (cbrt (fabs (- x y)))))
  (sqrt (cbrt (fabs (- x y))))
  (sqrt (sqrt (fabs (- x y))))
  (sqrt (sqrt (fabs (- x y))))
  (sqrt 1)
  (sqrt (fabs (- x y)))
  (/ 1 2)
  (sqrt (sqrt (fabs (- x y))))
  (sqrt (sqrt (fabs (- x y))))
  (sqrt (fabs (- x y)))
  (sqrt (fabs (- x y)))
  (sqrt (fabs (- x y)))
0.035 * [simplify]: Sending expressions to egg_math:
 (expm1 (sqrt (fabs (- h0 h1))))
 (log1p (sqrt (fabs (- h0 h1))))
 (log (sqrt (fabs (- h0 h1))))
 (exp (sqrt (fabs (- h0 h1))))
 (* (cbrt (sqrt (fabs (- h0 h1)))) (cbrt (sqrt (fabs (- h0 h1)))))
 (cbrt (sqrt (fabs (- h0 h1))))
 (* (* (sqrt (fabs (- h0 h1))) (sqrt (fabs (- h0 h1)))) (sqrt (fabs (- h0 h1))))
 (sqrt (* (cbrt (fabs (- h0 h1))) (cbrt (fabs (- h0 h1)))))
 (sqrt (cbrt (fabs (- h0 h1))))
 (sqrt (sqrt (fabs (- h0 h1))))
 (sqrt (sqrt (fabs (- h0 h1))))
 (sqrt 1)
 (sqrt (fabs (- h0 h1)))
 (/ 1 2)
 (sqrt (sqrt (fabs (- h0 h1))))
 (sqrt (sqrt (fabs (- h0 h1))))
 (sqrt (fabs (- h0 h1)))
 (sqrt (fabs (- h0 h1)))
 (sqrt (fabs (- h0 h1)))
0.037 * * [simplify]: iteration  0 :  28  enodes  (cost  72 )
0.038 * * [simplify]: iteration  1 :  32  enodes  (cost  70 )
0.039 * * [simplify]: iteration  2 :  35  enodes  (cost  70 )
0.041 * * [simplify]: iteration  3 :  40  enodes  (cost  70 )
0.042 * * [simplify]: iteration  4 :  59  enodes  (cost  70 )
0.044 * * [simplify]: iteration  5 :  113  enodes  (cost  70 )
0.048 * * [simplify]: iteration  6 :  540  enodes  (cost  70 )
0.063 * * [simplify]: iteration  7 :  1779  enodes  (cost  69 )
0.128 * * [simplify]: iteration  8 :  5002  enodes  (cost  69 )
0.129 * * * [progress]: adding candidates to table
0.160 * [progress]: [Phase 3 of 3] Extracting.
0.162 * [simplify]: Simplifying:
  (sqrt (fabs (- x y)))
0.162 * [simplify]: Sending expressions to egg_math:
 (sqrt (fabs (- h0 h1)))
0.162 * * [simplify]: iteration  0 :  5  enodes  (cost  3 )
0.162 * * [simplify]: iteration  1 :  5  enodes  (cost  3 )
0.530 * [regime-testing]: End program error score: 0.007625953244155519