11.752 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.021 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying:
  (sqrt (fabs (- x y)))
0.022 * * [simplify]: Extracting # 0 : cost  0
0.022 * * [simplify]: Extracting # 1 : cost  0
0.022 * * [simplify]: Extracting # 2 : cost  0
0.022 * * [simplify]: Extracting # 3 : cost  0
0.022 * * [simplify]: Extracting # 4 : cost  0
0.022 * * [simplify]: Extracting # 5 : cost  0
0.022 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
0.023 * * [simplify]: Extracting # 0 : cost  0
0.023 * * [simplify]: Extracting # 1 : cost  0
0.023 * * [simplify]: Extracting # 2 : cost  0
0.023 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
0.025 * * [simplify]: Extracting # 0 : cost  0
0.025 * * [simplify]: iteration  2 :  8  enodes  (cost  5 )
0.026 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: iteration done:  8  enodes  (cost  5 )
0.026 * [simplify]: Simplified to:
  (sqrt (fabs (- x y)))
0.027 * * [progress]: iteration 1 / 4
0.027 * * * [progress]: picking best candidate
0.030 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (fabs (- x y))))>
0.030 * * * [progress]: localizing error
0.039 * * * [progress]: generating rewritten candidates
0.039 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.042 * * * [progress]: generating series expansions
0.042 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.042 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.042 * [approximate]: Taking taylor expansion of (sqrt (fabs (- x y))) in (x y) around 0
0.042 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in y
0.042 * [taylor]: Taking taylor expansion of (fabs (- x y)) in y
0.052 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.052 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.052 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.052 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in x
0.052 * [taylor]: Taking taylor expansion of (fabs (- x y)) in x
0.052 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.052 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.052 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.053 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in x
0.053 * [taylor]: Taking taylor expansion of (fabs (- x y)) in x
0.053 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.053 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.053 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.053 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in y
0.053 * [taylor]: Taking taylor expansion of (fabs (- x y)) in y
0.053 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.053 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.053 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.053 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.054 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [backup-simplify]: Simplify 0 into 0
0.054 * [backup-simplify]: Simplify 0 into 0
0.054 * [backup-simplify]: Simplify 0 into 0
0.055 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- x y))))) into 0
0.055 * [taylor]: Taking taylor expansion of 0 in y
0.055 * [backup-simplify]: Simplify 0 into 0
0.055 * [backup-simplify]: Simplify 0 into 0
0.055 * [backup-simplify]: Simplify 0 into 0
0.056 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- x y))))) into 0
0.056 * [backup-simplify]: Simplify 0 into 0
0.057 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- x y))))) into 0
0.057 * [taylor]: Taking taylor expansion of 0 in y
0.057 * [backup-simplify]: Simplify 0 into 0
0.057 * [backup-simplify]: Simplify 0 into 0
0.057 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.057 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.057 * [approximate]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in (x y) around 0
0.057 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in y
0.057 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in y
0.057 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.057 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.058 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.058 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in x
0.058 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in x
0.058 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.058 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.058 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.058 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in x
0.058 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in x
0.058 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.058 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.059 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.059 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in y
0.059 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in y
0.059 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.059 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.059 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.059 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.059 * [taylor]: Taking taylor expansion of 0 in y
0.059 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.060 * [taylor]: Taking taylor expansion of 0 in y
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.060 * [backup-simplify]: Simplify 0 into 0
0.061 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.061 * [taylor]: Taking taylor expansion of 0 in y
0.061 * [backup-simplify]: Simplify 0 into 0
0.061 * [backup-simplify]: Simplify 0 into 0
0.061 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (/ 1 x)) (/ 1 (/ 1 y))))) into (sqrt (fabs (- x y)))
0.061 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (- x)) (/ 1 (- y))))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.061 * [approximate]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.061 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in y
0.061 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in y
0.061 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.061 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.062 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.062 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in x
0.062 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in x
0.062 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.062 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.062 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.062 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in x
0.062 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in x
0.062 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.062 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.062 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.063 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in y
0.063 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in y
0.063 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.063 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.063 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.063 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.063 * [backup-simplify]: Simplify 0 into 0
0.063 * [backup-simplify]: Simplify 0 into 0
0.064 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.065 * [taylor]: Taking taylor expansion of 0 in y
0.065 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.066 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.067 * [taylor]: Taking taylor expansion of 0 in y
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (sqrt (fabs (- x y)))
0.067 * * * [progress]: simplifying candidates
0.068 * [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)))
0.068 * * [simplify]: Extracting # 0 : cost  0
0.068 * * [simplify]: Extracting # 1 : cost  0
0.068 * * [simplify]: Extracting # 2 : cost  0
0.069 * * [simplify]: Extracting # 3 : cost  0
0.069 * * [simplify]: Extracting # 4 : cost  0
0.069 * * [simplify]: Extracting # 5 : cost  0
0.069 * * [simplify]: Extracting # 6 : cost  0
0.069 * * [simplify]: Extracting # 7 : cost  0
0.069 * * [simplify]: iteration  0 :  22  enodes  (cost  127 )
0.076 * * [simplify]: Extracting # 0 : cost  0
0.076 * * [simplify]: Extracting # 1 : cost  0
0.076 * * [simplify]: Extracting # 2 : cost  0
0.076 * * [simplify]: iteration  1 :  29  enodes  (cost  111 )
0.082 * * [simplify]: Extracting # 0 : cost  0
0.083 * * [simplify]: Extracting # 1 : cost  0
0.083 * * [simplify]: Extracting # 2 : cost  0
0.083 * * [simplify]: Extracting # 3 : cost  0
0.083 * * [simplify]: iteration  2 :  33  enodes  (cost  108 )
0.090 * * [simplify]: Extracting # 0 : cost  0
0.090 * * [simplify]: Extracting # 1 : cost  0
0.091 * * [simplify]: Extracting # 2 : cost  0
0.091 * * [simplify]: Extracting # 3 : cost  0
0.091 * * [simplify]: iteration  3 :  37  enodes  (cost  108 )
0.100 * * [simplify]: Extracting # 0 : cost  0
0.100 * * [simplify]: Extracting # 1 : cost  0
0.100 * * [simplify]: Extracting # 2 : cost  0
0.100 * * [simplify]: Extracting # 3 : cost  0
0.100 * * [simplify]: Extracting # 4 : cost  0
0.100 * * [simplify]: iteration  4 :  43  enodes  (cost  108 )
0.111 * * [simplify]: Extracting # 0 : cost  0
0.111 * * [simplify]: Extracting # 1 : cost  0
0.111 * * [simplify]: Extracting # 2 : cost  0
0.111 * * [simplify]: Extracting # 3 : cost  0
0.111 * * [simplify]: Extracting # 4 : cost  0
0.112 * * [simplify]: iteration  5 :  53  enodes  (cost  108 )
0.126 * * [simplify]: Extracting # 0 : cost  0
0.126 * * [simplify]: Extracting # 1 : cost  0
0.126 * * [simplify]: Extracting # 2 : cost  0
0.126 * * [simplify]: Extracting # 3 : cost  0
0.127 * * [simplify]: Extracting # 4 : cost  0
0.127 * * [simplify]: iteration  6 :  74  enodes  (cost  108 )
0.154 * * [simplify]: Extracting # 0 : cost  0
0.155 * * [simplify]: Extracting # 1 : cost  0
0.155 * * [simplify]: Extracting # 2 : cost  0
0.155 * * [simplify]: Extracting # 3 : cost  0
0.155 * * [simplify]: iteration  7 :  139  enodes  (cost  108 )
0.246 * * [simplify]: Extracting # 0 : cost  0
0.247 * * [simplify]: Extracting # 1 : cost  0
0.247 * * [simplify]: Extracting # 2 : cost  0
0.248 * * [simplify]: Extracting # 3 : cost  0
0.251 * * [simplify]: iteration  8 :  431  enodes  (cost  108 )
1.101 * * [simplify]: Extracting # 0 : cost  0
1.103 * * [simplify]: Extracting # 1 : cost  0
1.104 * * [simplify]: Extracting # 2 : cost  0
1.105 * * [simplify]: Extracting # 3 : cost  0
1.106 * * [simplify]: Extracting # 4 : cost  0
1.107 * * [simplify]: iteration  9 :  1844  enodes  (cost  108 )
2.161 * * [simplify]: Extracting # 0 : cost  0
2.165 * * [simplify]: Extracting # 1 : cost  0
2.172 * * [simplify]: Extracting # 2 : cost  0
2.186 * * [simplify]: Extracting # 3 : cost  0
2.196 * * [simplify]: iteration done:  5000  enodes  (cost  108 )
2.196 * [simplify]: Simplified to:
  (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))))
  (pow (sqrt (fabs (- x y))) 3)
  (fabs (cbrt (fabs (- x y))))
  (sqrt (cbrt (fabs (- x y))))
  (sqrt (sqrt (fabs (- x y))))
  (sqrt (sqrt (fabs (- x y))))
  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)))
2.196 * * * [progress]: adding candidates to table
2.265 * [progress]: [Phase 3 of 3] Extracting.
2.268 * [simplify]: Simplifying:
  (sqrt (fabs (- x y)))
2.268 * * [simplify]: Extracting # 0 : cost  0
2.268 * * [simplify]: Extracting # 1 : cost  0
2.268 * * [simplify]: Extracting # 2 : cost  0
2.268 * * [simplify]: Extracting # 3 : cost  0
2.268 * * [simplify]: Extracting # 4 : cost  0
2.268 * * [simplify]: Extracting # 5 : cost  0
2.268 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
2.269 * * [simplify]: Extracting # 0 : cost  0
2.269 * * [simplify]: iteration done:  5  enodes  (cost  5 )
2.269 * [simplify]: Simplified to:
  (sqrt (fabs (- x y)))
3.425 * [regime-testing]: Baseline error score: 0.008251031378922365
3.427 * [regime-testing]: Oracle error score: 0.008251031378922365
3.427 * [regime-testing]: End program error score: 0.008251031378922365