0.674 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.189 * * * [progress]: [2/2] Setting up program.
0.193 * [progress]: [Phase 2 of 3] Improving.
0.196 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.196 * * [simplify]: Extracting # 0 : cost  0
0.197 * * [simplify]: Extracting # 1 : cost  0
0.197 * * [simplify]: Extracting # 2 : cost  0
0.197 * * [simplify]: Extracting # 3 : cost  0
0.197 * * [simplify]: Extracting # 4 : cost  0
0.197 * * [simplify]: Extracting # 5 : cost  0
0.197 * * [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
0.221 * * [simplify]: Extracting # 2 : cost  0
0.221 * * [simplify]: Extracting # 3 : cost  0
0.221 * * [simplify]: Extracting # 4 : cost  0
0.221 * * [simplify]: Extracting # 5 : cost  0
0.221 * * [simplify]: iteration  4 :  115  enodes  (cost  9 )
0.282 * * [simplify]: Extracting # 0 : cost  0
0.282 * * [simplify]: Extracting # 1 : cost  0
0.282 * * [simplify]: Extracting # 2 : cost  0
0.283 * * [simplify]: Extracting # 3 : cost  0
0.283 * * [simplify]: Extracting # 4 : cost  0
0.283 * * [simplify]: Extracting # 5 : cost  0
0.283 * * [simplify]: iteration  5 :  274  enodes  (cost  9 )
0.542 * * [simplify]: Extracting # 0 : cost  0
0.543 * * [simplify]: Extracting # 1 : cost  0
0.544 * * [simplify]: Extracting # 2 : cost  0
0.545 * * [simplify]: Extracting # 3 : cost  0
0.546 * * [simplify]: Extracting # 4 : cost  0
0.547 * * [simplify]: Extracting # 5 : cost  0
0.548 * * [simplify]: iteration  6 :  837  enodes  (cost  9 )
2.488 * * [simplify]: Extracting # 0 : cost  0
2.491 * * [simplify]: Extracting # 1 : cost  0
2.493 * * [simplify]: Extracting # 2 : cost  0
2.495 * * [simplify]: Extracting # 3 : cost  0
2.497 * * [simplify]: Extracting # 4 : cost  0
2.499 * * [simplify]: iteration  7 :  3217  enodes  (cost  9 )
3.882 * * [simplify]: Extracting # 0 : cost  0
3.886 * * [simplify]: Extracting # 1 : cost  0
3.897 * * [simplify]: Extracting # 2 : cost  0
3.902 * * [simplify]: Extracting # 3 : cost  0
3.906 * * [simplify]: iteration done:  5001  enodes  (cost  9 )
3.907 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
3.908 * * [progress]: iteration 1 / 4
3.908 * * * [progress]: picking best candidate
3.911 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
3.911 * * * [progress]: localizing error
3.934 * * * [progress]: generating rewritten candidates
3.934 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
3.942 * * * [progress]: generating series expansions
3.943 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
3.950 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.950 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
3.951 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
3.951 * [taylor]: Taking taylor expansion of (atan2 b b) in b
3.953 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
3.953 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.953 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
3.953 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
3.953 * [taylor]: Taking taylor expansion of (atan2 b b) in b
3.953 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
3.953 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.953 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
3.954 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.954 * [backup-simplify]: Simplify 0 into 0
3.955 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
3.955 * [backup-simplify]: Simplify 0 into 0
3.955 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
3.955 * [backup-simplify]: Simplify 0 into 0
3.956 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
3.956 * [backup-simplify]: Simplify 0 into 0
3.957 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
3.957 * [backup-simplify]: Simplify 0 into 0
3.957 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
3.957 * [backup-simplify]: Simplify 0 into 0
3.957 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
3.958 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
3.958 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
3.958 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
3.958 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
3.958 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
3.958 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
3.958 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.958 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
3.958 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
3.958 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
3.958 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
3.958 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.958 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
3.958 * [backup-simplify]: Simplify 0 into 0
3.959 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.959 * [backup-simplify]: Simplify 0 into 0
3.959 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.960 * [backup-simplify]: Simplify 0 into 0
3.960 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.960 * [backup-simplify]: Simplify 0 into 0
3.961 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.961 * [backup-simplify]: Simplify 0 into 0
3.961 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
3.961 * [backup-simplify]: Simplify 0 into 0
3.962 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
3.962 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
3.962 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
3.962 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
3.962 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
3.962 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
3.962 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
3.962 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.963 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
3.963 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
3.963 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
3.963 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
3.963 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.963 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
3.963 * [backup-simplify]: Simplify 0 into 0
3.963 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.963 * [backup-simplify]: Simplify 0 into 0
3.964 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.964 * [backup-simplify]: Simplify 0 into 0
3.965 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.965 * [backup-simplify]: Simplify 0 into 0
3.965 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.965 * [backup-simplify]: Simplify 0 into 0
3.966 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
3.966 * [backup-simplify]: Simplify 0 into 0
3.966 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
3.966 * * * [progress]: simplifying candidates
3.967 * [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))
3.967 * * [simplify]: Extracting # 0 : cost  0
3.967 * * [simplify]: Extracting # 1 : cost  0
3.967 * * [simplify]: Extracting # 2 : cost  0
3.967 * * [simplify]: Extracting # 3 : cost  0
3.967 * * [simplify]: Extracting # 4 : cost  0
3.967 * * [simplify]: Extracting # 5 : cost  0
3.967 * * [simplify]: Extracting # 6 : cost  0
3.967 * * [simplify]: iteration  0 :  20  enodes  (cost  106 )
3.971 * * [simplify]: Extracting # 0 : cost  0
3.971 * * [simplify]: Extracting # 1 : cost  0
3.971 * * [simplify]: Extracting # 2 : cost  0
3.971 * * [simplify]: iteration  1 :  25  enodes  (cost  92 )
3.974 * * [simplify]: Extracting # 0 : cost  0
3.974 * * [simplify]: Extracting # 1 : cost  0
3.974 * * [simplify]: Extracting # 2 : cost  0
3.974 * * [simplify]: iteration  2 :  28  enodes  (cost  90 )
3.978 * * [simplify]: Extracting # 0 : cost  0
3.978 * * [simplify]: Extracting # 1 : cost  0
3.978 * * [simplify]: Extracting # 2 : cost  0
3.978 * * [simplify]: Extracting # 3 : cost  0
3.978 * * [simplify]: iteration  3 :  32  enodes  (cost  90 )
3.983 * * [simplify]: Extracting # 0 : cost  0
3.983 * * [simplify]: Extracting # 1 : cost  0
3.983 * * [simplify]: Extracting # 2 : cost  0
3.983 * * [simplify]: Extracting # 3 : cost  0
3.983 * * [simplify]: Extracting # 4 : cost  0
3.983 * * [simplify]: iteration  4 :  38  enodes  (cost  90 )
3.993 * * [simplify]: Extracting # 0 : cost  0
3.993 * * [simplify]: Extracting # 1 : cost  0
3.993 * * [simplify]: Extracting # 2 : cost  0
3.993 * * [simplify]: Extracting # 3 : cost  0
3.993 * * [simplify]: Extracting # 4 : cost  0
3.993 * * [simplify]: iteration  5 :  48  enodes  (cost  90 )
4.009 * * [simplify]: Extracting # 0 : cost  0
4.009 * * [simplify]: Extracting # 1 : cost  0
4.009 * * [simplify]: Extracting # 2 : cost  0
4.009 * * [simplify]: Extracting # 3 : cost  0
4.009 * * [simplify]: iteration  6 :  69  enodes  (cost  90 )
4.029 * * [simplify]: Extracting # 0 : cost  0
4.030 * * [simplify]: Extracting # 1 : cost  0
4.030 * * [simplify]: Extracting # 2 : cost  0
4.030 * * [simplify]: Extracting # 3 : cost  0
4.030 * * [simplify]: iteration  7 :  147  enodes  (cost  90 )
4.140 * * [simplify]: Extracting # 0 : cost  0
4.140 * * [simplify]: Extracting # 1 : cost  0
4.141 * * [simplify]: Extracting # 2 : cost  0
4.142 * * [simplify]: Extracting # 3 : cost  0
4.142 * * [simplify]: Extracting # 4 : cost  0
4.143 * * [simplify]: iteration  8 :  437  enodes  (cost  90 )
5.090 * * [simplify]: Extracting # 0 : cost  0
5.093 * * [simplify]: Extracting # 1 : cost  0
5.095 * * [simplify]: Extracting # 2 : cost  0
5.105 * * [simplify]: Extracting # 3 : cost  0
5.107 * * [simplify]: Extracting # 4 : cost  0
5.109 * * [simplify]: iteration  9 :  1815  enodes  (cost  90 )
6.123 * * [simplify]: Extracting # 0 : cost  0
6.131 * * [simplify]: Extracting # 1 : cost  0
6.147 * * [simplify]: Extracting # 2 : cost  0
6.157 * * [simplify]: Extracting # 3 : cost  0
6.167 * * [simplify]: iteration done:  5001  enodes  (cost  90 )
6.167 * [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))
6.167 * * * [progress]: adding candidates to table
6.251 * [progress]: [Phase 3 of 3] Extracting.
6.254 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
6.254 * * [simplify]: Extracting # 0 : cost  0
6.254 * * [simplify]: Extracting # 1 : cost  0
6.254 * * [simplify]: Extracting # 2 : cost  0
6.254 * * [simplify]: Extracting # 3 : cost  0
6.254 * * [simplify]: Extracting # 4 : cost  0
6.254 * * [simplify]: Extracting # 5 : cost  0
6.254 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
6.254 * * [simplify]: Extracting # 0 : cost  0
6.254 * * [simplify]: iteration done:  7  enodes  (cost  9 )
6.254 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
12.173 * [regime-testing]: Baseline error score: 0.09970203943882879
12.173 * [regime-testing]: Oracle error score: 0.09970203943882879
12.174 * [regime-testing]: End program error score: 0.09970203943882879