12.712 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.152 * * * [progress]: [2/2] Setting up program.
0.157 * [progress]: [Phase 2 of 3] Improving.
0.157 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.158 * * [simplify]: Extracting # 0 : cost  0
0.158 * * [simplify]: Extracting # 1 : cost  0
0.158 * * [simplify]: Extracting # 2 : cost  0
0.158 * * [simplify]: Extracting # 3 : cost  0
0.158 * * [simplify]: Extracting # 4 : cost  0
0.158 * * [simplify]: Extracting # 5 : cost  0
0.158 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.160 * * [simplify]: Extracting # 0 : cost  0
0.160 * * [simplify]: Extracting # 1 : cost  0
0.160 * * [simplify]: Extracting # 2 : cost  0
0.160 * * [simplify]: Extracting # 3 : cost  0
0.160 * * [simplify]: Extracting # 4 : cost  0
0.160 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.163 * * [simplify]: Extracting # 0 : cost  0
0.164 * * [simplify]: Extracting # 1 : cost  0
0.164 * * [simplify]: Extracting # 2 : cost  0
0.164 * * [simplify]: Extracting # 3 : cost  0
0.164 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.172 * * [simplify]: Extracting # 0 : cost  0
0.172 * * [simplify]: Extracting # 1 : cost  0
0.172 * * [simplify]: Extracting # 2 : cost  0
0.172 * * [simplify]: Extracting # 3 : cost  0
0.172 * * [simplify]: Extracting # 4 : cost  0
0.172 * * [simplify]: iteration  3 :  45  enodes  (cost  9 )
0.188 * * [simplify]: Extracting # 0 : cost  0
0.188 * * [simplify]: Extracting # 1 : cost  0
0.188 * * [simplify]: Extracting # 2 : cost  0
0.188 * * [simplify]: Extracting # 3 : cost  0
0.188 * * [simplify]: Extracting # 4 : cost  0
0.189 * * [simplify]: Extracting # 5 : cost  0
0.189 * * [simplify]: iteration  4 :  115  enodes  (cost  9 )
0.278 * * [simplify]: Extracting # 0 : cost  0
0.278 * * [simplify]: Extracting # 1 : cost  0
0.278 * * [simplify]: Extracting # 2 : cost  0
0.279 * * [simplify]: Extracting # 3 : cost  0
0.279 * * [simplify]: Extracting # 4 : cost  0
0.279 * * [simplify]: iteration  5 :  268  enodes  (cost  9 )
0.867 * * [simplify]: Extracting # 0 : cost  0
0.868 * * [simplify]: Extracting # 1 : cost  0
0.868 * * [simplify]: Extracting # 2 : cost  0
0.869 * * [simplify]: Extracting # 3 : cost  0
0.869 * * [simplify]: Extracting # 4 : cost  0
0.870 * * [simplify]: iteration  6 :  834  enodes  (cost  9 )
2.717 * * [simplify]: Extracting # 0 : cost  0
2.720 * * [simplify]: Extracting # 1 : cost  0
2.722 * * [simplify]: Extracting # 2 : cost  0
2.724 * * [simplify]: Extracting # 3 : cost  0
2.726 * * [simplify]: Extracting # 4 : cost  0
2.728 * * [simplify]: iteration  7 :  3197  enodes  (cost  9 )
4.167 * * [simplify]: Extracting # 0 : cost  0
4.185 * * [simplify]: Extracting # 1 : cost  0
4.191 * * [simplify]: Extracting # 2 : cost  0
4.196 * * [simplify]: iteration done:  5001  enodes  (cost  9 )
4.196 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
4.197 * * [progress]: iteration 1 / 4
4.197 * * * [progress]: picking best candidate
4.199 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
4.199 * * * [progress]: localizing error
4.209 * * * [progress]: generating rewritten candidates
4.209 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
4.211 * * * [progress]: generating series expansions
4.211 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
4.211 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.211 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
4.211 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.211 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.211 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.211 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.211 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.212 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.212 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.212 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.212 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.212 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.212 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.212 * [backup-simplify]: Simplify 0 into 0
4.213 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
4.213 * [backup-simplify]: Simplify 0 into 0
4.213 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.213 * [backup-simplify]: Simplify 0 into 0
4.214 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.214 * [backup-simplify]: Simplify 0 into 0
4.215 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.215 * [backup-simplify]: Simplify 0 into 0
4.215 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.215 * [backup-simplify]: Simplify 0 into 0
4.215 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.215 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.215 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
4.215 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.215 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.216 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.216 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.216 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.216 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.216 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.216 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.216 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.216 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.216 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.216 * [backup-simplify]: Simplify 0 into 0
4.217 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.217 * [backup-simplify]: Simplify 0 into 0
4.217 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.217 * [backup-simplify]: Simplify 0 into 0
4.218 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.218 * [backup-simplify]: Simplify 0 into 0
4.219 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.219 * [backup-simplify]: Simplify 0 into 0
4.219 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.219 * [backup-simplify]: Simplify 0 into 0
4.219 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
4.219 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.219 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
4.219 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.220 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.220 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.220 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.220 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.220 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.220 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.220 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.220 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.220 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.220 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.220 * [backup-simplify]: Simplify 0 into 0
4.221 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.221 * [backup-simplify]: Simplify 0 into 0
4.221 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.221 * [backup-simplify]: Simplify 0 into 0
4.222 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.222 * [backup-simplify]: Simplify 0 into 0
4.222 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.223 * [backup-simplify]: Simplify 0 into 0
4.223 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.223 * [backup-simplify]: Simplify 0 into 0
4.223 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
4.223 * * * [progress]: simplifying candidates
4.224 * [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))
4.224 * * [simplify]: Extracting # 0 : cost  0
4.224 * * [simplify]: Extracting # 1 : cost  0
4.224 * * [simplify]: Extracting # 2 : cost  0
4.224 * * [simplify]: Extracting # 3 : cost  0
4.224 * * [simplify]: Extracting # 4 : cost  0
4.224 * * [simplify]: Extracting # 5 : cost  0
4.224 * * [simplify]: Extracting # 6 : cost  0
4.224 * * [simplify]: iteration  0 :  18  enodes  (cost  96 )
4.227 * * [simplify]: Extracting # 0 : cost  0
4.228 * * [simplify]: Extracting # 1 : cost  0
4.228 * * [simplify]: Extracting # 2 : cost  0
4.228 * * [simplify]: iteration  1 :  23  enodes  (cost  82 )
4.232 * * [simplify]: Extracting # 0 : cost  0
4.233 * * [simplify]: Extracting # 1 : cost  0
4.233 * * [simplify]: Extracting # 2 : cost  0
4.233 * * [simplify]: iteration  2 :  26  enodes  (cost  80 )
4.239 * * [simplify]: Extracting # 0 : cost  0
4.239 * * [simplify]: Extracting # 1 : cost  0
4.239 * * [simplify]: Extracting # 2 : cost  0
4.239 * * [simplify]: Extracting # 3 : cost  0
4.239 * * [simplify]: Extracting # 4 : cost  0
4.239 * * [simplify]: iteration  3 :  30  enodes  (cost  80 )
4.247 * * [simplify]: Extracting # 0 : cost  0
4.247 * * [simplify]: Extracting # 1 : cost  0
4.247 * * [simplify]: Extracting # 2 : cost  0
4.247 * * [simplify]: Extracting # 3 : cost  0
4.247 * * [simplify]: Extracting # 4 : cost  0
4.247 * * [simplify]: iteration  4 :  36  enodes  (cost  80 )
4.256 * * [simplify]: Extracting # 0 : cost  0
4.256 * * [simplify]: Extracting # 1 : cost  0
4.256 * * [simplify]: Extracting # 2 : cost  0
4.256 * * [simplify]: Extracting # 3 : cost  0
4.256 * * [simplify]: Extracting # 4 : cost  0
4.256 * * [simplify]: iteration  5 :  46  enodes  (cost  80 )
4.270 * * [simplify]: Extracting # 0 : cost  0
4.271 * * [simplify]: Extracting # 1 : cost  0
4.271 * * [simplify]: Extracting # 2 : cost  0
4.271 * * [simplify]: Extracting # 3 : cost  0
4.271 * * [simplify]: iteration  6 :  67  enodes  (cost  80 )
4.292 * * [simplify]: Extracting # 0 : cost  0
4.292 * * [simplify]: Extracting # 1 : cost  0
4.292 * * [simplify]: Extracting # 2 : cost  0
4.292 * * [simplify]: Extracting # 3 : cost  0
4.292 * * [simplify]: iteration  7 :  145  enodes  (cost  80 )
4.383 * * [simplify]: Extracting # 0 : cost  0
4.384 * * [simplify]: Extracting # 1 : cost  0
4.385 * * [simplify]: Extracting # 2 : cost  0
4.385 * * [simplify]: Extracting # 3 : cost  0
4.386 * * [simplify]: Extracting # 4 : cost  0
4.387 * * [simplify]: iteration  8 :  432  enodes  (cost  80 )
5.259 * * [simplify]: Extracting # 0 : cost  0
5.262 * * [simplify]: Extracting # 1 : cost  0
5.264 * * [simplify]: Extracting # 2 : cost  0
5.265 * * [simplify]: Extracting # 3 : cost  0
5.267 * * [simplify]: Extracting # 4 : cost  0
5.268 * * [simplify]: iteration  9 :  1822  enodes  (cost  80 )
6.289 * * [simplify]: Extracting # 0 : cost  0
6.297 * * [simplify]: Extracting # 1 : cost  0
6.308 * * [simplify]: Extracting # 2 : cost  0
6.313 * * [simplify]: Extracting # 3 : cost  0
6.318 * * [simplify]: iteration done:  5000  enodes  (cost  80 )
6.319 * [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))
6.319 * * * [progress]: adding candidates to table
6.358 * [progress]: [Phase 3 of 3] Extracting.
6.361 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
6.361 * * [simplify]: Extracting # 0 : cost  0
6.361 * * [simplify]: Extracting # 1 : cost  0
6.361 * * [simplify]: Extracting # 2 : cost  0
6.361 * * [simplify]: Extracting # 3 : cost  0
6.361 * * [simplify]: Extracting # 4 : cost  0
6.361 * * [simplify]: Extracting # 5 : cost  0
6.361 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
6.361 * * [simplify]: Extracting # 0 : cost  0
6.361 * * [simplify]: iteration done:  7  enodes  (cost  9 )
6.361 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
10.474 * [regime-testing]: Baseline error score: 0.09970203943882879
10.476 * [regime-testing]: Oracle error score: 0.09970203943882879
10.476 * [regime-testing]: End program error score: 0.09970203943882879