0.649 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.256 * * * [progress]: [2/2] Setting up program.
0.260 * [progress]: [Phase 2 of 3] Improving.
0.263 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.263 * * [simplify]: Extracting # 0 : cost  0
0.264 * * [simplify]: Extracting # 1 : cost  0
0.264 * * [simplify]: Extracting # 2 : cost  0
0.264 * * [simplify]: Extracting # 3 : cost  0
0.264 * * [simplify]: Extracting # 4 : cost  0
0.264 * * [simplify]: Extracting # 5 : cost  0
0.264 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.268 * * [simplify]: Extracting # 0 : cost  0
0.268 * * [simplify]: Extracting # 1 : cost  0
0.268 * * [simplify]: Extracting # 2 : cost  0
0.268 * * [simplify]: Extracting # 3 : cost  0
0.268 * * [simplify]: Extracting # 4 : cost  0
0.268 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.271 * * [simplify]: Extracting # 0 : cost  0
0.271 * * [simplify]: Extracting # 1 : cost  0
0.271 * * [simplify]: Extracting # 2 : cost  0
0.271 * * [simplify]: Extracting # 3 : cost  0
0.271 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.275 * * [simplify]: Extracting # 0 : cost  0
0.275 * * [simplify]: Extracting # 1 : cost  0
0.275 * * [simplify]: Extracting # 2 : cost  0
0.275 * * [simplify]: Extracting # 3 : cost  0
0.276 * * [simplify]: Extracting # 4 : cost  0
0.276 * * [simplify]: iteration  3 :  45  enodes  (cost  9 )
0.294 * * [simplify]: Extracting # 0 : cost  0
0.295 * * [simplify]: Extracting # 1 : cost  0
0.295 * * [simplify]: Extracting # 2 : cost  0
0.295 * * [simplify]: Extracting # 3 : cost  0
0.295 * * [simplify]: Extracting # 4 : cost  0
0.295 * * [simplify]: Extracting # 5 : cost  0
0.296 * * [simplify]: iteration  4 :  115  enodes  (cost  9 )
0.373 * * [simplify]: Extracting # 0 : cost  0
0.373 * * [simplify]: Extracting # 1 : cost  0
0.373 * * [simplify]: Extracting # 2 : cost  0
0.373 * * [simplify]: Extracting # 3 : cost  0
0.374 * * [simplify]: Extracting # 4 : cost  0
0.374 * * [simplify]: Extracting # 5 : cost  0
0.374 * * [simplify]: iteration  5 :  274  enodes  (cost  9 )
0.644 * * [simplify]: Extracting # 0 : cost  0
0.645 * * [simplify]: Extracting # 1 : cost  0
0.646 * * [simplify]: Extracting # 2 : cost  0
0.646 * * [simplify]: Extracting # 3 : cost  0
0.647 * * [simplify]: Extracting # 4 : cost  0
0.647 * * [simplify]: Extracting # 5 : cost  0
0.648 * * [simplify]: iteration  6 :  837  enodes  (cost  9 )
2.602 * * [simplify]: Extracting # 0 : cost  0
2.605 * * [simplify]: Extracting # 1 : cost  0
2.607 * * [simplify]: Extracting # 2 : cost  0
2.610 * * [simplify]: Extracting # 3 : cost  0
2.611 * * [simplify]: Extracting # 4 : cost  0
2.613 * * [simplify]: iteration  7 :  3217  enodes  (cost  9 )
4.123 * * [simplify]: Extracting # 0 : cost  0
4.131 * * [simplify]: Extracting # 1 : cost  0
4.141 * * [simplify]: Extracting # 2 : cost  0
4.157 * * [simplify]: Extracting # 3 : cost  0
4.161 * * [simplify]: iteration done:  5001  enodes  (cost  9 )
4.161 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
4.163 * * [progress]: iteration 1 / 4
4.163 * * * [progress]: picking best candidate
4.166 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
4.166 * * * [progress]: localizing error
4.178 * * * [progress]: generating rewritten candidates
4.179 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
4.184 * * * [progress]: generating series expansions
4.184 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
4.187 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.187 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
4.188 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.188 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.189 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.189 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.190 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.190 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.190 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.190 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.190 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.190 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.190 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.190 * [backup-simplify]: Simplify 0 into 0
4.191 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
4.191 * [backup-simplify]: Simplify 0 into 0
4.192 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.192 * [backup-simplify]: Simplify 0 into 0
4.192 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.193 * [backup-simplify]: Simplify 0 into 0
4.193 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.193 * [backup-simplify]: Simplify 0 into 0
4.194 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.194 * [backup-simplify]: Simplify 0 into 0
4.194 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.194 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.194 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
4.194 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.194 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.194 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.194 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.194 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.194 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.194 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.195 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.195 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.195 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.195 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.195 * [backup-simplify]: Simplify 0 into 0
4.195 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.195 * [backup-simplify]: Simplify 0 into 0
4.196 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.196 * [backup-simplify]: Simplify 0 into 0
4.197 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.197 * [backup-simplify]: Simplify 0 into 0
4.197 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.197 * [backup-simplify]: Simplify 0 into 0
4.198 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.198 * [backup-simplify]: Simplify 0 into 0
4.198 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
4.199 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.199 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
4.199 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.199 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.199 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.199 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.199 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.199 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.199 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.199 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.199 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.199 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.199 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.199 * [backup-simplify]: Simplify 0 into 0
4.200 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.200 * [backup-simplify]: Simplify 0 into 0
4.201 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.201 * [backup-simplify]: Simplify 0 into 0
4.202 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.202 * [backup-simplify]: Simplify 0 into 0
4.203 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.203 * [backup-simplify]: Simplify 0 into 0
4.204 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.204 * [backup-simplify]: Simplify 0 into 0
4.204 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
4.204 * * * [progress]: simplifying candidates
4.205 * [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))
4.206 * * [simplify]: Extracting # 0 : cost  0
4.206 * * [simplify]: Extracting # 1 : cost  0
4.206 * * [simplify]: Extracting # 2 : cost  0
4.206 * * [simplify]: Extracting # 3 : cost  0
4.206 * * [simplify]: Extracting # 4 : cost  0
4.206 * * [simplify]: Extracting # 5 : cost  0
4.206 * * [simplify]: Extracting # 6 : cost  0
4.206 * * [simplify]: iteration  0 :  20  enodes  (cost  106 )
4.213 * * [simplify]: Extracting # 0 : cost  0
4.214 * * [simplify]: Extracting # 1 : cost  0
4.214 * * [simplify]: Extracting # 2 : cost  0
4.214 * * [simplify]: iteration  1 :  25  enodes  (cost  92 )
4.219 * * [simplify]: Extracting # 0 : cost  0
4.219 * * [simplify]: Extracting # 1 : cost  0
4.219 * * [simplify]: Extracting # 2 : cost  0
4.219 * * [simplify]: iteration  2 :  28  enodes  (cost  90 )
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]: iteration  3 :  32  enodes  (cost  90 )
4.228 * * [simplify]: Extracting # 0 : cost  0
4.228 * * [simplify]: Extracting # 1 : cost  0
4.228 * * [simplify]: Extracting # 2 : cost  0
4.228 * * [simplify]: Extracting # 3 : cost  0
4.228 * * [simplify]: Extracting # 4 : cost  0
4.228 * * [simplify]: iteration  4 :  38  enodes  (cost  90 )
4.233 * * [simplify]: Extracting # 0 : cost  0
4.233 * * [simplify]: Extracting # 1 : cost  0
4.233 * * [simplify]: Extracting # 2 : cost  0
4.233 * * [simplify]: Extracting # 3 : cost  0
4.233 * * [simplify]: Extracting # 4 : cost  0
4.233 * * [simplify]: iteration  5 :  48  enodes  (cost  90 )
4.248 * * [simplify]: Extracting # 0 : cost  0
4.248 * * [simplify]: Extracting # 1 : cost  0
4.248 * * [simplify]: Extracting # 2 : cost  0
4.248 * * [simplify]: Extracting # 3 : cost  0
4.249 * * [simplify]: iteration  6 :  69  enodes  (cost  90 )
4.264 * * [simplify]: Extracting # 0 : cost  0
4.264 * * [simplify]: Extracting # 1 : cost  0
4.264 * * [simplify]: Extracting # 2 : cost  0
4.265 * * [simplify]: Extracting # 3 : cost  0
4.265 * * [simplify]: iteration  7 :  147  enodes  (cost  90 )
4.362 * * [simplify]: Extracting # 0 : cost  0
4.363 * * [simplify]: Extracting # 1 : cost  0
4.363 * * [simplify]: Extracting # 2 : cost  0
4.363 * * [simplify]: Extracting # 3 : cost  0
4.364 * * [simplify]: Extracting # 4 : cost  0
4.364 * * [simplify]: iteration  8 :  437  enodes  (cost  90 )
5.149 * * [simplify]: Extracting # 0 : cost  0
5.151 * * [simplify]: Extracting # 1 : cost  0
5.152 * * [simplify]: Extracting # 2 : cost  0
5.157 * * [simplify]: Extracting # 3 : cost  0
5.158 * * [simplify]: Extracting # 4 : cost  0
5.159 * * [simplify]: iteration  9 :  1815  enodes  (cost  90 )
6.454 * * [simplify]: Extracting # 0 : cost  0
6.458 * * [simplify]: Extracting # 1 : cost  0
6.468 * * [simplify]: Extracting # 2 : cost  0
6.478 * * [simplify]: Extracting # 3 : cost  0
6.488 * * [simplify]: iteration done:  5001  enodes  (cost  90 )
6.489 * [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))
6.489 * * * [progress]: adding candidates to table
6.562 * [progress]: [Phase 3 of 3] Extracting.
6.566 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
6.566 * * [simplify]: Extracting # 0 : cost  0
6.566 * * [simplify]: Extracting # 1 : cost  0
6.566 * * [simplify]: Extracting # 2 : cost  0
6.566 * * [simplify]: Extracting # 3 : cost  0
6.566 * * [simplify]: Extracting # 4 : cost  0
6.566 * * [simplify]: Extracting # 5 : cost  0
6.566 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
6.566 * * [simplify]: Extracting # 0 : cost  0
6.566 * * [simplify]: iteration done:  7  enodes  (cost  9 )
6.566 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
12.381 * [regime-testing]: Baseline error score: 0.09970203943882879
12.385 * [regime-testing]: Oracle error score: 0.09970203943882879
12.385 * [regime-testing]: End program error score: 0.09970203943882879