0.472 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.191 * * * [progress]: [2/2] Setting up program.
0.195 * [progress]: [Phase 2 of 3] Improving.
0.197 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.198 * * [simplify]: Extracting # 0 : cost  0
0.198 * * [simplify]: Extracting # 1 : cost  0
0.198 * * [simplify]: Extracting # 2 : cost  0
0.198 * * [simplify]: Extracting # 3 : cost  0
0.199 * * [simplify]: Extracting # 4 : cost  0
0.199 * * [simplify]: Extracting # 5 : cost  0
0.199 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.203 * * [simplify]: Extracting # 0 : cost  0
0.203 * * [simplify]: Extracting # 1 : cost  0
0.203 * * [simplify]: Extracting # 2 : cost  0
0.203 * * [simplify]: Extracting # 3 : cost  0
0.203 * * [simplify]: Extracting # 4 : cost  0
0.203 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.205 * * [simplify]: Extracting # 0 : cost  0
0.205 * * [simplify]: Extracting # 1 : cost  0
0.205 * * [simplify]: Extracting # 2 : cost  0
0.205 * * [simplify]: Extracting # 3 : cost  0
0.205 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.210 * * [simplify]: Extracting # 0 : cost  0
0.210 * * [simplify]: Extracting # 1 : cost  0
0.210 * * [simplify]: Extracting # 2 : cost  0
0.210 * * [simplify]: Extracting # 3 : cost  0
0.210 * * [simplify]: Extracting # 4 : cost  0
0.210 * * [simplify]: iteration  3 :  45  enodes  (cost  9 )
0.220 * * [simplify]: Extracting # 0 : cost  0
0.220 * * [simplify]: Extracting # 1 : cost  0
0.220 * * [simplify]: Extracting # 2 : cost  0
0.220 * * [simplify]: Extracting # 3 : cost  0
0.220 * * [simplify]: Extracting # 4 : cost  0
0.220 * * [simplify]: Extracting # 5 : cost  0
0.221 * * [simplify]: iteration  4 :  115  enodes  (cost  9 )
0.308 * * [simplify]: Extracting # 0 : cost  0
0.309 * * [simplify]: Extracting # 1 : cost  0
0.309 * * [simplify]: Extracting # 2 : cost  0
0.310 * * [simplify]: Extracting # 3 : cost  0
0.310 * * [simplify]: Extracting # 4 : cost  0
0.311 * * [simplify]: iteration  5 :  268  enodes  (cost  9 )
0.532 * * [simplify]: Extracting # 0 : cost  0
0.534 * * [simplify]: Extracting # 1 : cost  0
0.535 * * [simplify]: Extracting # 2 : cost  0
0.537 * * [simplify]: Extracting # 3 : cost  0
0.538 * * [simplify]: Extracting # 4 : cost  0
0.540 * * [simplify]: iteration  6 :  834  enodes  (cost  9 )
2.341 * * [simplify]: Extracting # 0 : cost  0
2.346 * * [simplify]: Extracting # 1 : cost  0
2.350 * * [simplify]: Extracting # 2 : cost  0
2.354 * * [simplify]: Extracting # 3 : cost  0
2.357 * * [simplify]: Extracting # 4 : cost  0
2.362 * * [simplify]: iteration  7 :  3197  enodes  (cost  9 )
3.817 * * [simplify]: Extracting # 0 : cost  0
3.821 * * [simplify]: Extracting # 1 : cost  0
3.829 * * [simplify]: Extracting # 2 : cost  0
3.846 * * [simplify]: iteration done:  5001  enodes  (cost  9 )
3.847 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
3.849 * * [progress]: iteration 1 / 4
3.849 * * * [progress]: picking best candidate
3.854 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
3.854 * * * [progress]: localizing error
3.878 * * * [progress]: generating rewritten candidates
3.878 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
3.886 * * * [progress]: generating series expansions
3.886 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
3.893 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.893 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
3.894 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
3.894 * [taylor]: Taking taylor expansion of (atan2 b b) in b
3.896 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
3.896 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.896 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
3.896 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
3.896 * [taylor]: Taking taylor expansion of (atan2 b b) in b
3.896 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
3.897 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.897 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
3.897 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.898 * [backup-simplify]: Simplify 0 into 0
3.899 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
3.899 * [backup-simplify]: Simplify 0 into 0
3.900 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
3.900 * [backup-simplify]: Simplify 0 into 0
3.901 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
3.901 * [backup-simplify]: Simplify 0 into 0
3.902 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
3.902 * [backup-simplify]: Simplify 0 into 0
3.903 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
3.903 * [backup-simplify]: Simplify 0 into 0
3.903 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.904 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
3.904 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
3.904 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
3.904 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
3.904 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
3.904 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
3.904 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.904 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
3.904 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
3.904 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
3.905 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
3.905 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.905 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
3.905 * [backup-simplify]: Simplify 0 into 0
3.906 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.906 * [backup-simplify]: Simplify 0 into 0
3.907 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.907 * [backup-simplify]: Simplify 0 into 0
3.908 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.908 * [backup-simplify]: Simplify 0 into 0
3.909 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.909 * [backup-simplify]: Simplify 0 into 0
3.910 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.911 * [backup-simplify]: Simplify 0 into 0
3.911 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
3.912 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
3.912 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
3.912 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
3.912 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
3.912 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
3.912 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
3.912 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.912 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
3.912 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
3.912 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
3.913 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
3.913 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.913 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
3.913 * [backup-simplify]: Simplify 0 into 0
3.914 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.914 * [backup-simplify]: Simplify 0 into 0
3.915 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.915 * [backup-simplify]: Simplify 0 into 0
3.916 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.916 * [backup-simplify]: Simplify 0 into 0
3.917 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.917 * [backup-simplify]: Simplify 0 into 0
3.918 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.918 * [backup-simplify]: Simplify 0 into 0
3.918 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
3.918 * * * [progress]: simplifying candidates
3.919 * [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))
3.919 * * [simplify]: Extracting # 0 : cost  0
3.919 * * [simplify]: Extracting # 1 : cost  0
3.919 * * [simplify]: Extracting # 2 : cost  0
3.919 * * [simplify]: Extracting # 3 : cost  0
3.919 * * [simplify]: Extracting # 4 : cost  0
3.919 * * [simplify]: Extracting # 5 : cost  0
3.919 * * [simplify]: Extracting # 6 : cost  0
3.920 * * [simplify]: iteration  0 :  18  enodes  (cost  96 )
3.923 * * [simplify]: Extracting # 0 : cost  0
3.923 * * [simplify]: Extracting # 1 : cost  0
3.923 * * [simplify]: Extracting # 2 : cost  0
3.923 * * [simplify]: iteration  1 :  23  enodes  (cost  82 )
3.925 * * [simplify]: Extracting # 0 : cost  0
3.925 * * [simplify]: Extracting # 1 : cost  0
3.925 * * [simplify]: Extracting # 2 : cost  0
3.925 * * [simplify]: iteration  2 :  26  enodes  (cost  80 )
3.928 * * [simplify]: Extracting # 0 : cost  0
3.928 * * [simplify]: Extracting # 1 : cost  0
3.928 * * [simplify]: Extracting # 2 : cost  0
3.929 * * [simplify]: Extracting # 3 : cost  0
3.929 * * [simplify]: Extracting # 4 : cost  0
3.929 * * [simplify]: iteration  3 :  30  enodes  (cost  80 )
3.932 * * [simplify]: Extracting # 0 : cost  0
3.932 * * [simplify]: Extracting # 1 : cost  0
3.933 * * [simplify]: Extracting # 2 : cost  0
3.933 * * [simplify]: Extracting # 3 : cost  0
3.933 * * [simplify]: Extracting # 4 : cost  0
3.933 * * [simplify]: iteration  4 :  36  enodes  (cost  80 )
3.937 * * [simplify]: Extracting # 0 : cost  0
3.937 * * [simplify]: Extracting # 1 : cost  0
3.937 * * [simplify]: Extracting # 2 : cost  0
3.937 * * [simplify]: Extracting # 3 : cost  0
3.937 * * [simplify]: Extracting # 4 : cost  0
3.937 * * [simplify]: iteration  5 :  46  enodes  (cost  80 )
3.944 * * [simplify]: Extracting # 0 : cost  0
3.944 * * [simplify]: Extracting # 1 : cost  0
3.944 * * [simplify]: Extracting # 2 : cost  0
3.944 * * [simplify]: Extracting # 3 : cost  0
3.944 * * [simplify]: iteration  6 :  67  enodes  (cost  80 )
3.976 * * [simplify]: Extracting # 0 : cost  0
3.976 * * [simplify]: Extracting # 1 : cost  0
3.976 * * [simplify]: Extracting # 2 : cost  0
3.976 * * [simplify]: Extracting # 3 : cost  0
3.976 * * [simplify]: iteration  7 :  145  enodes  (cost  80 )
4.084 * * [simplify]: Extracting # 0 : cost  0
4.084 * * [simplify]: Extracting # 1 : cost  0
4.084 * * [simplify]: Extracting # 2 : cost  0
4.085 * * [simplify]: Extracting # 3 : cost  0
4.085 * * [simplify]: Extracting # 4 : cost  0
4.085 * * [simplify]: iteration  8 :  432  enodes  (cost  80 )
5.011 * * [simplify]: Extracting # 0 : cost  0
5.012 * * [simplify]: Extracting # 1 : cost  0
5.013 * * [simplify]: Extracting # 2 : cost  0
5.015 * * [simplify]: Extracting # 3 : cost  0
5.017 * * [simplify]: Extracting # 4 : cost  0
5.019 * * [simplify]: iteration  9 :  1822  enodes  (cost  80 )
6.086 * * [simplify]: Extracting # 0 : cost  0
6.092 * * [simplify]: Extracting # 1 : cost  0
6.103 * * [simplify]: Extracting # 2 : cost  0
6.108 * * [simplify]: Extracting # 3 : cost  0
6.113 * * [simplify]: iteration done:  5000  enodes  (cost  80 )
6.114 * [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))
6.114 * * * [progress]: adding candidates to table
6.155 * [progress]: [Phase 3 of 3] Extracting.
6.162 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
6.163 * * [simplify]: Extracting # 0 : cost  0
6.163 * * [simplify]: Extracting # 1 : cost  0
6.163 * * [simplify]: Extracting # 2 : cost  0
6.163 * * [simplify]: Extracting # 3 : cost  0
6.163 * * [simplify]: Extracting # 4 : cost  0
6.163 * * [simplify]: Extracting # 5 : cost  0
6.163 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
6.163 * * [simplify]: Extracting # 0 : cost  0
6.163 * * [simplify]: iteration done:  7  enodes  (cost  9 )
6.163 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
11.891 * [regime-testing]: Baseline error score: 0.09970203943882879
11.894 * [regime-testing]: Oracle error score: 0.09970203943882879
11.894 * [regime-testing]: End program error score: 0.09970203943882879