16.407 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.135 * * * [progress]: [2/2] Setting up program.
0.139 * [progress]: [Phase 2 of 3] Improving.
0.140 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.140 * * [simplify]: Extracting # 0 : cost  0
0.140 * * [simplify]: Extracting # 1 : cost  0
0.140 * * [simplify]: Extracting # 2 : cost  0
0.140 * * [simplify]: Extracting # 3 : cost  0
0.140 * * [simplify]: Extracting # 4 : cost  0
0.140 * * [simplify]: Extracting # 5 : cost  0
0.140 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.142 * * [simplify]: Extracting # 0 : cost  0
0.142 * * [simplify]: Extracting # 1 : cost  0
0.142 * * [simplify]: Extracting # 2 : cost  0
0.142 * * [simplify]: Extracting # 3 : cost  0
0.142 * * [simplify]: Extracting # 4 : cost  0
0.142 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.146 * * [simplify]: Extracting # 0 : cost  0
0.146 * * [simplify]: Extracting # 1 : cost  0
0.146 * * [simplify]: Extracting # 2 : cost  0
0.146 * * [simplify]: Extracting # 3 : cost  0
0.146 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.182 * * [simplify]: Extracting # 0 : cost  0
0.182 * * [simplify]: Extracting # 1 : cost  0
0.182 * * [simplify]: Extracting # 2 : cost  0
0.182 * * [simplify]: Extracting # 3 : cost  0
0.182 * * [simplify]: Extracting # 4 : cost  0
0.182 * * [simplify]: iteration  3 :  45  enodes  (cost  9 )
0.193 * * [simplify]: Extracting # 0 : cost  0
0.194 * * [simplify]: Extracting # 1 : cost  0
0.194 * * [simplify]: Extracting # 2 : cost  0
0.194 * * [simplify]: Extracting # 3 : cost  0
0.194 * * [simplify]: Extracting # 4 : cost  0
0.194 * * [simplify]: Extracting # 5 : cost  0
0.194 * * [simplify]: iteration  4 :  115  enodes  (cost  9 )
0.250 * * [simplify]: Extracting # 0 : cost  0
0.251 * * [simplify]: Extracting # 1 : cost  0
0.251 * * [simplify]: Extracting # 2 : cost  0
0.252 * * [simplify]: Extracting # 3 : cost  0
0.252 * * [simplify]: Extracting # 4 : cost  0
0.253 * * [simplify]: iteration  5 :  268  enodes  (cost  9 )
0.477 * * [simplify]: Extracting # 0 : cost  0
0.478 * * [simplify]: Extracting # 1 : cost  0
0.480 * * [simplify]: Extracting # 2 : cost  0
0.480 * * [simplify]: Extracting # 3 : cost  0
0.481 * * [simplify]: Extracting # 4 : cost  0
0.481 * * [simplify]: iteration  6 :  834  enodes  (cost  9 )
2.227 * * [simplify]: Extracting # 0 : cost  0
2.233 * * [simplify]: Extracting # 1 : cost  0
2.235 * * [simplify]: Extracting # 2 : cost  0
2.236 * * [simplify]: Extracting # 3 : cost  0
2.238 * * [simplify]: Extracting # 4 : cost  0
2.240 * * [simplify]: iteration  7 :  3197  enodes  (cost  9 )
3.962 * * [simplify]: Extracting # 0 : cost  0
3.970 * * [simplify]: Extracting # 1 : cost  0
3.978 * * [simplify]: Extracting # 2 : cost  0
3.986 * * [simplify]: iteration done:  5001  enodes  (cost  9 )
3.986 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
3.987 * * [progress]: iteration 1 / 4
3.987 * * * [progress]: picking best candidate
3.991 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
3.991 * * * [progress]: localizing error
4.009 * * * [progress]: generating rewritten candidates
4.009 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
4.012 * * * [progress]: generating series expansions
4.012 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
4.012 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.012 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
4.012 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.012 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.013 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.013 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.013 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.013 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.013 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.013 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.013 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.013 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.013 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.013 * [backup-simplify]: Simplify 0 into 0
4.014 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
4.014 * [backup-simplify]: Simplify 0 into 0
4.015 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.015 * [backup-simplify]: Simplify 0 into 0
4.016 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.016 * [backup-simplify]: Simplify 0 into 0
4.017 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.017 * [backup-simplify]: Simplify 0 into 0
4.018 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.018 * [backup-simplify]: Simplify 0 into 0
4.018 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.018 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.019 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
4.019 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.019 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.019 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.019 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.019 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.019 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.019 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.019 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.019 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.020 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.020 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.020 * [backup-simplify]: Simplify 0 into 0
4.021 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.021 * [backup-simplify]: Simplify 0 into 0
4.022 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.022 * [backup-simplify]: Simplify 0 into 0
4.023 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.023 * [backup-simplify]: Simplify 0 into 0
4.024 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.024 * [backup-simplify]: Simplify 0 into 0
4.025 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.025 * [backup-simplify]: Simplify 0 into 0
4.025 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
4.025 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.025 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
4.025 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.025 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.026 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.026 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.026 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.026 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.026 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.026 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.026 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.026 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.027 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.027 * [backup-simplify]: Simplify 0 into 0
4.028 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.028 * [backup-simplify]: Simplify 0 into 0
4.029 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.029 * [backup-simplify]: Simplify 0 into 0
4.030 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.030 * [backup-simplify]: Simplify 0 into 0
4.032 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.032 * [backup-simplify]: Simplify 0 into 0
4.040 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.040 * [backup-simplify]: Simplify 0 into 0
4.040 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
4.040 * * * [progress]: simplifying candidates
4.040 * [simplify]: Simplifying:
  (log (sqrt (atan2 b b)))
  (exp (sqrt (atan2 b b)))
  (* (cbrt (sqrt (atan2 b b))) (cbrt (sqrt (atan2 b b))))
  (cbrt (sqrt (atan2 b b)))
  (* (* (sqrt (atan2 b b)) (sqrt (atan2 b b))) (sqrt (atan2 b b)))
  (sqrt (* (cbrt (atan2 b b)) (cbrt (atan2 b b))))
  (sqrt (cbrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (sqrt 1)
  (sqrt (atan2 b b))
  (/ 1 2)
  (sqrt (sqrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
4.041 * * [simplify]: Extracting # 0 : cost  0
4.041 * * [simplify]: Extracting # 1 : cost  0
4.041 * * [simplify]: Extracting # 2 : cost  0
4.041 * * [simplify]: Extracting # 3 : cost  0
4.041 * * [simplify]: Extracting # 4 : cost  0
4.041 * * [simplify]: Extracting # 5 : cost  0
4.041 * * [simplify]: Extracting # 6 : cost  0
4.041 * * [simplify]: iteration  0 :  18  enodes  (cost  96 )
4.044 * * [simplify]: Extracting # 0 : cost  0
4.044 * * [simplify]: Extracting # 1 : cost  0
4.044 * * [simplify]: Extracting # 2 : cost  0
4.044 * * [simplify]: iteration  1 :  23  enodes  (cost  82 )
4.047 * * [simplify]: Extracting # 0 : cost  0
4.047 * * [simplify]: Extracting # 1 : cost  0
4.047 * * [simplify]: Extracting # 2 : cost  0
4.047 * * [simplify]: iteration  2 :  26  enodes  (cost  80 )
4.050 * * [simplify]: Extracting # 0 : cost  0
4.050 * * [simplify]: Extracting # 1 : cost  0
4.050 * * [simplify]: Extracting # 2 : cost  0
4.050 * * [simplify]: Extracting # 3 : cost  0
4.050 * * [simplify]: Extracting # 4 : cost  0
4.050 * * [simplify]: iteration  3 :  30  enodes  (cost  80 )
4.054 * * [simplify]: Extracting # 0 : cost  0
4.054 * * [simplify]: Extracting # 1 : cost  0
4.054 * * [simplify]: Extracting # 2 : cost  0
4.054 * * [simplify]: Extracting # 3 : cost  0
4.054 * * [simplify]: Extracting # 4 : cost  0
4.054 * * [simplify]: iteration  4 :  36  enodes  (cost  80 )
4.060 * * [simplify]: Extracting # 0 : cost  0
4.060 * * [simplify]: Extracting # 1 : cost  0
4.060 * * [simplify]: Extracting # 2 : cost  0
4.060 * * [simplify]: Extracting # 3 : cost  0
4.060 * * [simplify]: Extracting # 4 : cost  0
4.060 * * [simplify]: iteration  5 :  46  enodes  (cost  80 )
4.066 * * [simplify]: Extracting # 0 : cost  0
4.067 * * [simplify]: Extracting # 1 : cost  0
4.067 * * [simplify]: Extracting # 2 : cost  0
4.067 * * [simplify]: Extracting # 3 : cost  0
4.067 * * [simplify]: iteration  6 :  67  enodes  (cost  80 )
4.081 * * [simplify]: Extracting # 0 : cost  0
4.081 * * [simplify]: Extracting # 1 : cost  0
4.081 * * [simplify]: Extracting # 2 : cost  0
4.081 * * [simplify]: Extracting # 3 : cost  0
4.081 * * [simplify]: iteration  7 :  145  enodes  (cost  80 )
4.160 * * [simplify]: Extracting # 0 : cost  0
4.161 * * [simplify]: Extracting # 1 : cost  0
4.162 * * [simplify]: Extracting # 2 : cost  0
4.162 * * [simplify]: Extracting # 3 : cost  0
4.163 * * [simplify]: Extracting # 4 : cost  0
4.163 * * [simplify]: iteration  8 :  432  enodes  (cost  80 )
4.947 * * [simplify]: Extracting # 0 : cost  0
4.950 * * [simplify]: Extracting # 1 : cost  0
4.952 * * [simplify]: Extracting # 2 : cost  0
4.954 * * [simplify]: Extracting # 3 : cost  0
4.955 * * [simplify]: Extracting # 4 : cost  0
4.957 * * [simplify]: iteration  9 :  1822  enodes  (cost  80 )
5.970 * * [simplify]: Extracting # 0 : cost  0
5.978 * * [simplify]: Extracting # 1 : cost  0
5.988 * * [simplify]: Extracting # 2 : cost  0
5.998 * * [simplify]: Extracting # 3 : cost  0
6.008 * * [simplify]: iteration done:  5000  enodes  (cost  80 )
6.008 * [simplify]: Simplified to:
  (log (sqrt (atan2 b b)))
  (exp (sqrt (atan2 b b)))
  (* (cbrt (sqrt (atan2 b b))) (cbrt (sqrt (atan2 b b))))
  (cbrt (sqrt (atan2 b b)))
  (pow (sqrt (atan2 b b)) 3)
  (fabs (cbrt (atan2 b b)))
  (sqrt (cbrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  1
  (sqrt (atan2 b b))
  1/2
  (sqrt (sqrt (atan2 b b)))
  (sqrt (sqrt (atan2 b b)))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
  (sqrt (atan2 b b))
6.009 * * * [progress]: adding candidates to table
6.082 * [progress]: [Phase 3 of 3] Extracting.
6.086 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
6.087 * * [simplify]: Extracting # 0 : cost  0
6.087 * * [simplify]: Extracting # 1 : cost  0
6.087 * * [simplify]: Extracting # 2 : cost  0
6.087 * * [simplify]: Extracting # 3 : cost  0
6.087 * * [simplify]: Extracting # 4 : cost  0
6.087 * * [simplify]: Extracting # 5 : cost  0
6.087 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
6.087 * * [simplify]: Extracting # 0 : cost  0
6.087 * * [simplify]: iteration done:  7  enodes  (cost  9 )
6.087 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
11.941 * [regime-testing]: Baseline error score: 0.09970203943882879
11.943 * [regime-testing]: Oracle error score: 0.09970203943882879
11.943 * [regime-testing]: End program error score: 0.09970203943882879