15.271 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.013 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying:
  (sqrt (fabs (- x y)))
0.015 * [simplify]: Sending expressions to egg_math:
 (sqrt (fabs (- h1 h0)))
0.017 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.018 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.019 * * [simplify]: iteration  2 :  8  enodes  (cost  3 )
0.019 * * [progress]: iteration 1 / 4
0.019 * * * [progress]: picking best candidate
0.020 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (fabs (- x y))))>
0.021 * * * [progress]: localizing error
0.025 * * * [progress]: generating rewritten candidates
0.025 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.026 * * * [progress]: generating series expansions
0.026 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.026 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.026 * [approximate]: Taking taylor expansion of (sqrt (fabs (- x y))) in (x y) around 0
0.026 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in y
0.026 * [taylor]: Taking taylor expansion of (fabs (- x y)) in y
0.027 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.027 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.028 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.028 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in x
0.028 * [taylor]: Taking taylor expansion of (fabs (- x y)) in x
0.028 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.028 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.028 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.028 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in x
0.028 * [taylor]: Taking taylor expansion of (fabs (- x y)) in x
0.028 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.028 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.028 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.028 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in y
0.028 * [taylor]: Taking taylor expansion of (fabs (- x y)) in y
0.028 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.028 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.028 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.028 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
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 0 into 0
0.029 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- x y))))) into 0
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 (- x y))))) into 0
0.030 * [backup-simplify]: Simplify 0 into 0
0.030 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- x 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 (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.030 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.030 * [approximate]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in (x y) around 0
0.030 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in y
0.030 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in y
0.031 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.031 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.031 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.031 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in x
0.031 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in x
0.031 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.031 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.031 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.031 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in x
0.031 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in x
0.031 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.031 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.031 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.031 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in y
0.031 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in y
0.031 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.032 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.032 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.032 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.032 * [taylor]: Taking taylor expansion of 0 in y
0.032 * [backup-simplify]: Simplify 0 into 0
0.032 * [backup-simplify]: Simplify 0 into 0
0.032 * [backup-simplify]: Simplify 0 into 0
0.032 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.032 * [taylor]: Taking taylor expansion of 0 in y
0.032 * [backup-simplify]: Simplify 0 into 0
0.032 * [backup-simplify]: Simplify 0 into 0
0.032 * [backup-simplify]: Simplify 0 into 0
0.033 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.033 * [backup-simplify]: Simplify 0 into 0
0.033 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) 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
0.034 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (/ 1 x)) (/ 1 (/ 1 y))))) into (sqrt (fabs (- x y)))
0.034 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (- x)) (/ 1 (- y))))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.034 * [approximate]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.034 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in y
0.034 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in y
0.034 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.034 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.034 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.034 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in x
0.034 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in x
0.034 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.034 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.034 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.034 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in x
0.034 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in x
0.034 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.034 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.035 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.035 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in y
0.035 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in y
0.035 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.035 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.035 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.035 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.035 * [taylor]: Taking taylor expansion of 0 in y
0.035 * [backup-simplify]: Simplify 0 into 0
0.035 * [backup-simplify]: Simplify 0 into 0
0.035 * [backup-simplify]: Simplify 0 into 0
0.036 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.036 * [taylor]: Taking taylor expansion of 0 in y
0.036 * [backup-simplify]: Simplify 0 into 0
0.036 * [backup-simplify]: Simplify 0 into 0
0.036 * [backup-simplify]: Simplify 0 into 0
0.036 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.036 * [backup-simplify]: Simplify 0 into 0
0.037 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.037 * [taylor]: Taking taylor expansion of 0 in y
0.037 * [backup-simplify]: Simplify 0 into 0
0.037 * [backup-simplify]: Simplify 0 into 0
0.037 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (sqrt (fabs (- x y)))
0.037 * * * [progress]: simplifying candidates
0.037 * [simplify]: Simplifying:
  (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)))
0.037 * [simplify]: Sending expressions to egg_math:
 (log (sqrt (fabs (- h1 h0))))
 (exp (sqrt (fabs (- h1 h0))))
 (* (cbrt (sqrt (fabs (- h1 h0)))) (cbrt (sqrt (fabs (- h1 h0)))))
 (cbrt (sqrt (fabs (- h1 h0))))
 (* (* (sqrt (fabs (- h1 h0))) (sqrt (fabs (- h1 h0)))) (sqrt (fabs (- h1 h0))))
 (sqrt (* (cbrt (fabs (- h1 h0))) (cbrt (fabs (- h1 h0)))))
 (sqrt (cbrt (fabs (- h1 h0))))
 (sqrt (sqrt (fabs (- h1 h0))))
 (sqrt (sqrt (fabs (- h1 h0))))
 (sqrt 1)
 (sqrt (fabs (- h1 h0)))
 (/ 1 2)
 (sqrt (sqrt (fabs (- h1 h0))))
 (sqrt (sqrt (fabs (- h1 h0))))
 (sqrt (fabs (- h1 h0)))
 (sqrt (fabs (- h1 h0)))
 (sqrt (fabs (- h1 h0)))
0.039 * * [simplify]: iteration  0 :  26  enodes  (cost  64 )
0.040 * * [simplify]: iteration  1 :  30  enodes  (cost  62 )
0.042 * * [simplify]: iteration  2 :  33  enodes  (cost  62 )
0.043 * * [simplify]: iteration  3 :  38  enodes  (cost  62 )
0.044 * * [simplify]: iteration  4 :  57  enodes  (cost  62 )
0.046 * * [simplify]: iteration  5 :  111  enodes  (cost  62 )
0.050 * * [simplify]: iteration  6 :  538  enodes  (cost  62 )
0.064 * * [simplify]: iteration  7 :  1770  enodes  (cost  61 )
0.129 * * [simplify]: iteration  8 :  5001  enodes  (cost  61 )
0.130 * * * [progress]: adding candidates to table
0.164 * [progress]: [Phase 3 of 3] Extracting.
0.167 * [simplify]: Simplifying:
  (sqrt (fabs (- x y)))
0.167 * [simplify]: Sending expressions to egg_math:
 (sqrt (fabs (- h1 h0)))
0.167 * * [simplify]: iteration  0 :  5  enodes  (cost  3 )
0.167 * * [simplify]: iteration  1 :  5  enodes  (cost  3 )
0.599 * [regime-testing]: End program error score: 0.007625953244155519