16.106 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.136 * * * [progress]: [2/2] Setting up program.
0.139 * [progress]: [Phase 2 of 3] Improving.
0.139 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.139 * * [simplify]: Extracting # 0 : cost  0
0.139 * * [simplify]: Extracting # 1 : cost  0
0.139 * * [simplify]: Extracting # 2 : cost  0
0.139 * * [simplify]: Extracting # 3 : cost  0
0.139 * * [simplify]: Extracting # 4 : cost  0
0.139 * * [simplify]: Extracting # 5 : cost  0
0.139 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
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]: iteration  1 :  13  enodes  (cost  9 )
0.142 * * [simplify]: Extracting # 0 : cost  0
0.142 * * [simplify]: Extracting # 1 : cost  0
0.143 * * [simplify]: Extracting # 2 : cost  0
0.143 * * [simplify]: Extracting # 3 : cost  0
0.143 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.177 * * [simplify]: Extracting # 0 : cost  0
0.177 * * [simplify]: Extracting # 1 : cost  0
0.177 * * [simplify]: Extracting # 2 : cost  0
0.178 * * [simplify]: Extracting # 3 : cost  0
0.178 * * [simplify]: Extracting # 4 : cost  0
0.178 * * [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 )
0.259 * * [simplify]: Extracting # 0 : cost  0
0.260 * * [simplify]: Extracting # 1 : cost  0
0.260 * * [simplify]: Extracting # 2 : cost  0
0.261 * * [simplify]: Extracting # 3 : cost  0
0.261 * * [simplify]: Extracting # 4 : cost  0
0.261 * * [simplify]: Extracting # 5 : cost  0
0.262 * * [simplify]: iteration  5 :  274  enodes  (cost  9 )
0.528 * * [simplify]: Extracting # 0 : cost  0
0.529 * * [simplify]: Extracting # 1 : cost  0
0.530 * * [simplify]: Extracting # 2 : cost  0
0.531 * * [simplify]: Extracting # 3 : cost  0
0.531 * * [simplify]: Extracting # 4 : cost  0
0.532 * * [simplify]: Extracting # 5 : cost  0
0.533 * * [simplify]: iteration  6 :  837  enodes  (cost  9 )
2.425 * * [simplify]: Extracting # 0 : cost  0
2.429 * * [simplify]: Extracting # 1 : cost  0
2.432 * * [simplify]: Extracting # 2 : cost  0
2.436 * * [simplify]: Extracting # 3 : cost  0
2.440 * * [simplify]: Extracting # 4 : cost  0
2.444 * * [simplify]: iteration  7 :  3217  enodes  (cost  9 )
3.808 * * [simplify]: Extracting # 0 : cost  0
3.812 * * [simplify]: Extracting # 1 : cost  0
3.817 * * [simplify]: Extracting # 2 : cost  0
3.821 * * [simplify]: Extracting # 3 : cost  0
3.825 * * [simplify]: iteration done:  5001  enodes  (cost  9 )
3.825 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
3.825 * * [progress]: iteration 1 / 4
3.825 * * * [progress]: picking best candidate
3.828 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
3.828 * * * [progress]: localizing error
3.837 * * * [progress]: generating rewritten candidates
3.837 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
3.841 * * * [progress]: generating series expansions
3.841 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
3.841 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.841 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
3.841 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
3.841 * [taylor]: Taking taylor expansion of (atan2 b b) in b
3.841 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
3.841 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.842 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
3.842 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
3.842 * [taylor]: Taking taylor expansion of (atan2 b b) in b
3.842 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
3.842 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.842 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
3.842 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.842 * [backup-simplify]: Simplify 0 into 0
3.843 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
3.843 * [backup-simplify]: Simplify 0 into 0
3.844 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
3.844 * [backup-simplify]: Simplify 0 into 0
3.845 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
3.846 * [backup-simplify]: Simplify 0 into 0
3.855 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
3.855 * [backup-simplify]: Simplify 0 into 0
3.857 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
3.857 * [backup-simplify]: Simplify 0 into 0
3.857 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.857 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
3.857 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
3.857 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
3.857 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
3.857 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
3.857 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
3.858 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.858 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
3.858 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
3.858 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
3.858 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
3.858 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.859 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
3.859 * [backup-simplify]: Simplify 0 into 0
3.860 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.860 * [backup-simplify]: Simplify 0 into 0
3.861 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.861 * [backup-simplify]: Simplify 0 into 0
3.862 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.862 * [backup-simplify]: Simplify 0 into 0
3.863 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.863 * [backup-simplify]: Simplify 0 into 0
3.864 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.864 * [backup-simplify]: Simplify 0 into 0
3.864 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
3.864 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
3.864 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
3.864 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
3.864 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
3.865 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
3.865 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
3.865 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.865 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
3.865 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
3.865 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
3.865 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
3.866 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.866 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
3.866 * [backup-simplify]: Simplify 0 into 0
3.867 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.867 * [backup-simplify]: Simplify 0 into 0
3.868 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.868 * [backup-simplify]: Simplify 0 into 0
3.869 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.869 * [backup-simplify]: Simplify 0 into 0
3.870 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.870 * [backup-simplify]: Simplify 0 into 0
3.871 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.871 * [backup-simplify]: Simplify 0 into 0
3.871 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
3.871 * * * [progress]: simplifying candidates
3.872 * [simplify]: Simplifying:
  (expm1 (sqrt (atan2 b b)))
  (log1p (sqrt (atan2 b b)))
  (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))
3.873 * * [simplify]: Extracting # 0 : cost  0
3.873 * * [simplify]: Extracting # 1 : cost  0
3.873 * * [simplify]: Extracting # 2 : cost  0
3.873 * * [simplify]: Extracting # 3 : cost  0
3.873 * * [simplify]: Extracting # 4 : cost  0
3.873 * * [simplify]: Extracting # 5 : cost  0
3.873 * * [simplify]: Extracting # 6 : cost  0
3.873 * * [simplify]: iteration  0 :  20  enodes  (cost  106 )
3.880 * * [simplify]: Extracting # 0 : cost  0
3.880 * * [simplify]: Extracting # 1 : cost  0
3.881 * * [simplify]: Extracting # 2 : cost  0
3.881 * * [simplify]: iteration  1 :  25  enodes  (cost  92 )
3.886 * * [simplify]: Extracting # 0 : cost  0
3.887 * * [simplify]: Extracting # 1 : cost  0
3.887 * * [simplify]: Extracting # 2 : cost  0
3.887 * * [simplify]: iteration  2 :  28  enodes  (cost  90 )
3.894 * * [simplify]: Extracting # 0 : cost  0
3.894 * * [simplify]: Extracting # 1 : cost  0
3.894 * * [simplify]: Extracting # 2 : cost  0
3.894 * * [simplify]: Extracting # 3 : cost  0
3.894 * * [simplify]: iteration  3 :  32  enodes  (cost  90 )
3.903 * * [simplify]: Extracting # 0 : cost  0
3.903 * * [simplify]: Extracting # 1 : cost  0
3.903 * * [simplify]: Extracting # 2 : cost  0
3.904 * * [simplify]: Extracting # 3 : cost  0
3.904 * * [simplify]: Extracting # 4 : cost  0
3.904 * * [simplify]: iteration  4 :  38  enodes  (cost  90 )
3.913 * * [simplify]: Extracting # 0 : cost  0
3.914 * * [simplify]: Extracting # 1 : cost  0
3.914 * * [simplify]: Extracting # 2 : cost  0
3.914 * * [simplify]: Extracting # 3 : cost  0
3.914 * * [simplify]: Extracting # 4 : cost  0
3.914 * * [simplify]: iteration  5 :  48  enodes  (cost  90 )
3.928 * * [simplify]: Extracting # 0 : cost  0
3.929 * * [simplify]: Extracting # 1 : cost  0
3.929 * * [simplify]: Extracting # 2 : cost  0
3.929 * * [simplify]: Extracting # 3 : cost  0
3.929 * * [simplify]: iteration  6 :  69  enodes  (cost  90 )
3.948 * * [simplify]: Extracting # 0 : cost  0
3.948 * * [simplify]: Extracting # 1 : cost  0
3.948 * * [simplify]: Extracting # 2 : cost  0
3.949 * * [simplify]: Extracting # 3 : cost  0
3.949 * * [simplify]: iteration  7 :  147  enodes  (cost  90 )
4.043 * * [simplify]: Extracting # 0 : cost  0
4.043 * * [simplify]: Extracting # 1 : cost  0
4.044 * * [simplify]: Extracting # 2 : cost  0
4.044 * * [simplify]: Extracting # 3 : cost  0
4.044 * * [simplify]: Extracting # 4 : cost  0
4.044 * * [simplify]: iteration  8 :  437  enodes  (cost  90 )
4.802 * * [simplify]: Extracting # 0 : cost  0
4.804 * * [simplify]: Extracting # 1 : cost  0
4.805 * * [simplify]: Extracting # 2 : cost  0
4.806 * * [simplify]: Extracting # 3 : cost  0
4.807 * * [simplify]: Extracting # 4 : cost  0
4.808 * * [simplify]: iteration  9 :  1815  enodes  (cost  90 )
5.882 * * [simplify]: Extracting # 0 : cost  0
5.891 * * [simplify]: Extracting # 1 : cost  0
5.903 * * [simplify]: Extracting # 2 : cost  0
5.913 * * [simplify]: Extracting # 3 : cost  0
5.925 * * [simplify]: iteration done:  5001  enodes  (cost  90 )
5.925 * [simplify]: Simplified to:
  (expm1 (sqrt (atan2 b b)))
  (log1p (sqrt (atan2 b b)))
  (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))
5.926 * * * [progress]: adding candidates to table
5.987 * [progress]: [Phase 3 of 3] Extracting.
5.992 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
5.992 * * [simplify]: Extracting # 0 : cost  0
5.992 * * [simplify]: Extracting # 1 : cost  0
5.992 * * [simplify]: Extracting # 2 : cost  0
5.992 * * [simplify]: Extracting # 3 : cost  0
5.992 * * [simplify]: Extracting # 4 : cost  0
5.992 * * [simplify]: Extracting # 5 : cost  0
5.992 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
5.993 * * [simplify]: Extracting # 0 : cost  0
5.993 * * [simplify]: iteration done:  7  enodes  (cost  9 )
5.993 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
11.937 * [regime-testing]: Baseline error score: 0.09970203943882879
11.940 * [regime-testing]: Oracle error score: 0.09970203943882879
11.940 * [regime-testing]: End program error score: 0.09970203943882879