1.176 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.366 * * * [progress]: [2/2] Setting up program.
0.373 * [progress]: [Phase 2 of 3] Improving.
0.377 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.378 * * [simplify]: Extracting # 0 : cost  0
0.379 * * [simplify]: Extracting # 1 : cost  0
0.379 * * [simplify]: Extracting # 2 : cost  0
0.379 * * [simplify]: Extracting # 3 : cost  0
0.379 * * [simplify]: Extracting # 4 : cost  0
0.379 * * [simplify]: Extracting # 5 : cost  0
0.379 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.386 * * [simplify]: Extracting # 0 : cost  0
0.386 * * [simplify]: Extracting # 1 : cost  0
0.386 * * [simplify]: Extracting # 2 : cost  0
0.386 * * [simplify]: Extracting # 3 : cost  0
0.386 * * [simplify]: Extracting # 4 : cost  0
0.386 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.390 * * [simplify]: Extracting # 0 : cost  0
0.390 * * [simplify]: Extracting # 1 : cost  0
0.390 * * [simplify]: Extracting # 2 : cost  0
0.390 * * [simplify]: Extracting # 3 : cost  0
0.390 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.398 * * [simplify]: Extracting # 0 : cost  0
0.398 * * [simplify]: Extracting # 1 : cost  0
0.398 * * [simplify]: Extracting # 2 : cost  0
0.398 * * [simplify]: Extracting # 3 : cost  0
0.398 * * [simplify]: Extracting # 4 : cost  0
0.398 * * [simplify]: iteration  3 :  45  enodes  (cost  9 )
0.417 * * [simplify]: Extracting # 0 : cost  0
0.417 * * [simplify]: Extracting # 1 : cost  0
0.417 * * [simplify]: Extracting # 2 : cost  0
0.417 * * [simplify]: Extracting # 3 : cost  0
0.418 * * [simplify]: Extracting # 4 : cost  0
0.418 * * [simplify]: Extracting # 5 : cost  0
0.418 * * [simplify]: iteration  4 :  115  enodes  (cost  9 )
0.480 * * [simplify]: Extracting # 0 : cost  0
0.480 * * [simplify]: Extracting # 1 : cost  0
0.480 * * [simplify]: Extracting # 2 : cost  0
0.481 * * [simplify]: Extracting # 3 : cost  0
0.481 * * [simplify]: Extracting # 4 : cost  0
0.481 * * [simplify]: iteration  5 :  268  enodes  (cost  9 )
0.759 * * [simplify]: Extracting # 0 : cost  0
0.760 * * [simplify]: Extracting # 1 : cost  0
0.761 * * [simplify]: Extracting # 2 : cost  0
0.763 * * [simplify]: Extracting # 3 : cost  0
0.764 * * [simplify]: Extracting # 4 : cost  0
0.765 * * [simplify]: iteration  6 :  834  enodes  (cost  9 )
2.664 * * [simplify]: Extracting # 0 : cost  0
2.670 * * [simplify]: Extracting # 1 : cost  0
2.674 * * [simplify]: Extracting # 2 : cost  0
2.677 * * [simplify]: Extracting # 3 : cost  0
2.681 * * [simplify]: Extracting # 4 : cost  0
2.685 * * [simplify]: iteration  7 :  3197  enodes  (cost  9 )
4.068 * * [simplify]: Extracting # 0 : cost  0
4.076 * * [simplify]: Extracting # 1 : cost  0
4.085 * * [simplify]: Extracting # 2 : cost  0
4.100 * * [simplify]: iteration done:  5001  enodes  (cost  9 )
4.100 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
4.102 * * [progress]: iteration 1 / 4
4.102 * * * [progress]: picking best candidate
4.105 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
4.105 * * * [progress]: localizing error
4.116 * * * [progress]: generating rewritten candidates
4.116 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
4.121 * * * [progress]: generating series expansions
4.121 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
4.125 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.125 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
4.126 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.126 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.127 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.127 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.127 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.127 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.127 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.127 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.127 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.127 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.128 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.128 * [backup-simplify]: Simplify 0 into 0
4.129 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
4.129 * [backup-simplify]: Simplify 0 into 0
4.130 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.130 * [backup-simplify]: Simplify 0 into 0
4.131 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.131 * [backup-simplify]: Simplify 0 into 0
4.132 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.132 * [backup-simplify]: Simplify 0 into 0
4.133 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.133 * [backup-simplify]: Simplify 0 into 0
4.133 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.133 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.133 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
4.133 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.133 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.134 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.134 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.134 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.134 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.134 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.134 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.134 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.134 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.135 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.135 * [backup-simplify]: Simplify 0 into 0
4.136 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.136 * [backup-simplify]: Simplify 0 into 0
4.137 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.137 * [backup-simplify]: Simplify 0 into 0
4.138 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.138 * [backup-simplify]: Simplify 0 into 0
4.139 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.139 * [backup-simplify]: Simplify 0 into 0
4.140 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.140 * [backup-simplify]: Simplify 0 into 0
4.141 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
4.142 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.142 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
4.142 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.142 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.142 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.142 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.142 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.142 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.142 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.142 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.142 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.143 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.143 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.143 * [backup-simplify]: Simplify 0 into 0
4.144 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.144 * [backup-simplify]: Simplify 0 into 0
4.145 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.145 * [backup-simplify]: Simplify 0 into 0
4.146 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.146 * [backup-simplify]: Simplify 0 into 0
4.147 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.147 * [backup-simplify]: Simplify 0 into 0
4.148 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.148 * [backup-simplify]: Simplify 0 into 0
4.148 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
4.149 * * * [progress]: simplifying candidates
4.149 * [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))
4.150 * * [simplify]: Extracting # 0 : cost  0
4.150 * * [simplify]: Extracting # 1 : cost  0
4.150 * * [simplify]: Extracting # 2 : cost  0
4.150 * * [simplify]: Extracting # 3 : cost  0
4.150 * * [simplify]: Extracting # 4 : cost  0
4.150 * * [simplify]: Extracting # 5 : cost  0
4.150 * * [simplify]: Extracting # 6 : cost  0
4.150 * * [simplify]: iteration  0 :  18  enodes  (cost  96 )
4.157 * * [simplify]: Extracting # 0 : cost  0
4.157 * * [simplify]: Extracting # 1 : cost  0
4.157 * * [simplify]: Extracting # 2 : cost  0
4.157 * * [simplify]: iteration  1 :  23  enodes  (cost  82 )
4.162 * * [simplify]: Extracting # 0 : cost  0
4.162 * * [simplify]: Extracting # 1 : cost  0
4.162 * * [simplify]: Extracting # 2 : cost  0
4.162 * * [simplify]: iteration  2 :  26  enodes  (cost  80 )
4.165 * * [simplify]: Extracting # 0 : cost  0
4.165 * * [simplify]: Extracting # 1 : cost  0
4.165 * * [simplify]: Extracting # 2 : cost  0
4.165 * * [simplify]: Extracting # 3 : cost  0
4.165 * * [simplify]: Extracting # 4 : cost  0
4.165 * * [simplify]: iteration  3 :  30  enodes  (cost  80 )
4.168 * * [simplify]: Extracting # 0 : cost  0
4.169 * * [simplify]: Extracting # 1 : cost  0
4.169 * * [simplify]: Extracting # 2 : cost  0
4.169 * * [simplify]: Extracting # 3 : cost  0
4.169 * * [simplify]: Extracting # 4 : cost  0
4.169 * * [simplify]: iteration  4 :  36  enodes  (cost  80 )
4.173 * * [simplify]: Extracting # 0 : cost  0
4.173 * * [simplify]: Extracting # 1 : cost  0
4.173 * * [simplify]: Extracting # 2 : cost  0
4.173 * * [simplify]: Extracting # 3 : cost  0
4.173 * * [simplify]: Extracting # 4 : cost  0
4.173 * * [simplify]: iteration  5 :  46  enodes  (cost  80 )
4.179 * * [simplify]: Extracting # 0 : cost  0
4.180 * * [simplify]: Extracting # 1 : cost  0
4.180 * * [simplify]: Extracting # 2 : cost  0
4.180 * * [simplify]: Extracting # 3 : cost  0
4.180 * * [simplify]: iteration  6 :  67  enodes  (cost  80 )
4.208 * * [simplify]: Extracting # 0 : cost  0
4.208 * * [simplify]: Extracting # 1 : cost  0
4.209 * * [simplify]: Extracting # 2 : cost  0
4.209 * * [simplify]: Extracting # 3 : cost  0
4.209 * * [simplify]: iteration  7 :  145  enodes  (cost  80 )
4.284 * * [simplify]: Extracting # 0 : cost  0
4.284 * * [simplify]: Extracting # 1 : cost  0
4.285 * * [simplify]: Extracting # 2 : cost  0
4.286 * * [simplify]: Extracting # 3 : cost  0
4.286 * * [simplify]: Extracting # 4 : cost  0
4.287 * * [simplify]: iteration  8 :  432  enodes  (cost  80 )
5.345 * * [simplify]: Extracting # 0 : cost  0
5.348 * * [simplify]: Extracting # 1 : cost  0
5.350 * * [simplify]: Extracting # 2 : cost  0
5.352 * * [simplify]: Extracting # 3 : cost  0
5.355 * * [simplify]: Extracting # 4 : cost  0
5.357 * * [simplify]: iteration  9 :  1822  enodes  (cost  80 )
6.510 * * [simplify]: Extracting # 0 : cost  0
6.514 * * [simplify]: Extracting # 1 : cost  0
6.529 * * [simplify]: Extracting # 2 : cost  0
6.538 * * [simplify]: Extracting # 3 : cost  0
6.543 * * [simplify]: iteration done:  5000  enodes  (cost  80 )
6.543 * [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))
6.543 * * * [progress]: adding candidates to table
6.592 * [progress]: [Phase 3 of 3] Extracting.
6.603 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
6.603 * * [simplify]: Extracting # 0 : cost  0
6.603 * * [simplify]: Extracting # 1 : cost  0
6.603 * * [simplify]: Extracting # 2 : cost  0
6.603 * * [simplify]: Extracting # 3 : cost  0
6.603 * * [simplify]: Extracting # 4 : cost  0
6.603 * * [simplify]: Extracting # 5 : cost  0
6.603 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
6.604 * * [simplify]: Extracting # 0 : cost  0
6.604 * * [simplify]: iteration done:  7  enodes  (cost  9 )
6.604 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
12.307 * [regime-testing]: Baseline error score: 0.09970203943882879
12.311 * [regime-testing]: Oracle error score: 0.09970203943882879
12.312 * [regime-testing]: End program error score: 0.09970203943882879