0.632 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.241 * * * [progress]: [2/2] Setting up program.
0.245 * [progress]: [Phase 2 of 3] Improving.
0.248 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.249 * * [simplify]: Extracting # 0 : cost  0
0.249 * * [simplify]: Extracting # 1 : cost  0
0.249 * * [simplify]: Extracting # 2 : cost  0
0.249 * * [simplify]: Extracting # 3 : cost  0
0.249 * * [simplify]: Extracting # 4 : cost  0
0.249 * * [simplify]: Extracting # 5 : cost  0
0.249 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.253 * * [simplify]: Extracting # 0 : cost  0
0.253 * * [simplify]: Extracting # 1 : cost  0
0.253 * * [simplify]: Extracting # 2 : cost  0
0.253 * * [simplify]: Extracting # 3 : cost  0
0.253 * * [simplify]: Extracting # 4 : cost  0
0.254 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.256 * * [simplify]: Extracting # 0 : cost  0
0.256 * * [simplify]: Extracting # 1 : cost  0
0.256 * * [simplify]: Extracting # 2 : cost  0
0.256 * * [simplify]: Extracting # 3 : cost  0
0.256 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.262 * * [simplify]: Extracting # 0 : cost  0
0.262 * * [simplify]: Extracting # 1 : cost  0
0.262 * * [simplify]: Extracting # 2 : cost  0
0.262 * * [simplify]: Extracting # 3 : cost  0
0.262 * * [simplify]: Extracting # 4 : cost  0
0.262 * * [simplify]: iteration  3 :  45  enodes  (cost  9 )
0.271 * * [simplify]: Extracting # 0 : cost  0
0.271 * * [simplify]: Extracting # 1 : cost  0
0.272 * * [simplify]: Extracting # 2 : cost  0
0.272 * * [simplify]: Extracting # 3 : cost  0
0.272 * * [simplify]: Extracting # 4 : cost  0
0.272 * * [simplify]: Extracting # 5 : cost  0
0.272 * * [simplify]: iteration  4 :  115  enodes  (cost  9 )
0.343 * * [simplify]: Extracting # 0 : cost  0
0.344 * * [simplify]: Extracting # 1 : cost  0
0.344 * * [simplify]: Extracting # 2 : cost  0
0.345 * * [simplify]: Extracting # 3 : cost  0
0.345 * * [simplify]: Extracting # 4 : cost  0
0.346 * * [simplify]: iteration  5 :  268  enodes  (cost  9 )
0.592 * * [simplify]: Extracting # 0 : cost  0
0.593 * * [simplify]: Extracting # 1 : cost  0
0.593 * * [simplify]: Extracting # 2 : cost  0
0.594 * * [simplify]: Extracting # 3 : cost  0
0.595 * * [simplify]: Extracting # 4 : cost  0
0.595 * * [simplify]: iteration  6 :  834  enodes  (cost  9 )
2.904 * * [simplify]: Extracting # 0 : cost  0
2.907 * * [simplify]: Extracting # 1 : cost  0
2.909 * * [simplify]: Extracting # 2 : cost  0
2.911 * * [simplify]: Extracting # 3 : cost  0
2.912 * * [simplify]: Extracting # 4 : cost  0
2.914 * * [simplify]: iteration  7 :  3197  enodes  (cost  9 )
4.294 * * [simplify]: Extracting # 0 : cost  0
4.301 * * [simplify]: Extracting # 1 : cost  0
4.310 * * [simplify]: Extracting # 2 : cost  0
4.319 * * [simplify]: iteration done:  5001  enodes  (cost  9 )
4.320 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
4.321 * * [progress]: iteration 1 / 4
4.321 * * * [progress]: picking best candidate
4.324 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
4.324 * * * [progress]: localizing error
4.337 * * * [progress]: generating rewritten candidates
4.337 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
4.342 * * * [progress]: generating series expansions
4.342 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
4.346 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.346 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
4.347 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.347 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.349 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.349 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.349 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.349 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.349 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.349 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.349 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.350 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.350 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.350 * [backup-simplify]: Simplify 0 into 0
4.352 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
4.352 * [backup-simplify]: Simplify 0 into 0
4.353 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.353 * [backup-simplify]: Simplify 0 into 0
4.354 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.354 * [backup-simplify]: Simplify 0 into 0
4.355 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.355 * [backup-simplify]: Simplify 0 into 0
4.356 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.356 * [backup-simplify]: Simplify 0 into 0
4.356 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.356 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.356 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
4.356 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.356 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.356 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.356 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.357 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.357 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.357 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.357 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.357 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.357 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.357 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.357 * [backup-simplify]: Simplify 0 into 0
4.358 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.358 * [backup-simplify]: Simplify 0 into 0
4.359 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.359 * [backup-simplify]: Simplify 0 into 0
4.360 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.360 * [backup-simplify]: Simplify 0 into 0
4.361 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.361 * [backup-simplify]: Simplify 0 into 0
4.362 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.363 * [backup-simplify]: Simplify 0 into 0
4.363 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
4.364 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.364 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
4.364 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.364 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.364 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.364 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.364 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.364 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.364 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.364 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.365 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.365 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.365 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.365 * [backup-simplify]: Simplify 0 into 0
4.366 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.366 * [backup-simplify]: Simplify 0 into 0
4.367 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.367 * [backup-simplify]: Simplify 0 into 0
4.368 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.368 * [backup-simplify]: Simplify 0 into 0
4.369 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.369 * [backup-simplify]: Simplify 0 into 0
4.370 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.370 * [backup-simplify]: Simplify 0 into 0
4.371 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
4.371 * * * [progress]: simplifying candidates
4.371 * [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))
4.371 * * [simplify]: Extracting # 0 : cost  0
4.371 * * [simplify]: Extracting # 1 : cost  0
4.371 * * [simplify]: Extracting # 2 : cost  0
4.371 * * [simplify]: Extracting # 3 : cost  0
4.372 * * [simplify]: Extracting # 4 : cost  0
4.372 * * [simplify]: Extracting # 5 : cost  0
4.372 * * [simplify]: Extracting # 6 : cost  0
4.372 * * [simplify]: iteration  0 :  18  enodes  (cost  96 )
4.375 * * [simplify]: Extracting # 0 : cost  0
4.375 * * [simplify]: Extracting # 1 : cost  0
4.375 * * [simplify]: Extracting # 2 : cost  0
4.375 * * [simplify]: iteration  1 :  23  enodes  (cost  82 )
4.377 * * [simplify]: Extracting # 0 : cost  0
4.377 * * [simplify]: Extracting # 1 : cost  0
4.377 * * [simplify]: Extracting # 2 : cost  0
4.377 * * [simplify]: iteration  2 :  26  enodes  (cost  80 )
4.380 * * [simplify]: Extracting # 0 : cost  0
4.380 * * [simplify]: Extracting # 1 : cost  0
4.381 * * [simplify]: Extracting # 2 : cost  0
4.381 * * [simplify]: Extracting # 3 : cost  0
4.381 * * [simplify]: Extracting # 4 : cost  0
4.381 * * [simplify]: iteration  3 :  30  enodes  (cost  80 )
4.385 * * [simplify]: Extracting # 0 : cost  0
4.385 * * [simplify]: Extracting # 1 : cost  0
4.385 * * [simplify]: Extracting # 2 : cost  0
4.385 * * [simplify]: Extracting # 3 : cost  0
4.385 * * [simplify]: Extracting # 4 : cost  0
4.385 * * [simplify]: iteration  4 :  36  enodes  (cost  80 )
4.389 * * [simplify]: Extracting # 0 : cost  0
4.389 * * [simplify]: Extracting # 1 : cost  0
4.389 * * [simplify]: Extracting # 2 : cost  0
4.389 * * [simplify]: Extracting # 3 : cost  0
4.390 * * [simplify]: Extracting # 4 : cost  0
4.390 * * [simplify]: iteration  5 :  46  enodes  (cost  80 )
4.396 * * [simplify]: Extracting # 0 : cost  0
4.396 * * [simplify]: Extracting # 1 : cost  0
4.396 * * [simplify]: Extracting # 2 : cost  0
4.396 * * [simplify]: Extracting # 3 : cost  0
4.396 * * [simplify]: iteration  6 :  67  enodes  (cost  80 )
4.433 * * [simplify]: Extracting # 0 : cost  0
4.433 * * [simplify]: Extracting # 1 : cost  0
4.433 * * [simplify]: Extracting # 2 : cost  0
4.434 * * [simplify]: Extracting # 3 : cost  0
4.434 * * [simplify]: iteration  7 :  145  enodes  (cost  80 )
4.571 * * [simplify]: Extracting # 0 : cost  0
4.572 * * [simplify]: Extracting # 1 : cost  0
4.572 * * [simplify]: Extracting # 2 : cost  0
4.573 * * [simplify]: Extracting # 3 : cost  0
4.574 * * [simplify]: Extracting # 4 : cost  0
4.574 * * [simplify]: iteration  8 :  432  enodes  (cost  80 )
5.566 * * [simplify]: Extracting # 0 : cost  0
5.568 * * [simplify]: Extracting # 1 : cost  0
5.570 * * [simplify]: Extracting # 2 : cost  0
5.573 * * [simplify]: Extracting # 3 : cost  0
5.575 * * [simplify]: Extracting # 4 : cost  0
5.577 * * [simplify]: iteration  9 :  1822  enodes  (cost  80 )
6.699 * * [simplify]: Extracting # 0 : cost  0
6.706 * * [simplify]: Extracting # 1 : cost  0
6.723 * * [simplify]: Extracting # 2 : cost  0
6.733 * * [simplify]: Extracting # 3 : cost  0
6.743 * * [simplify]: iteration done:  5000  enodes  (cost  80 )
6.743 * [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))
6.743 * * * [progress]: adding candidates to table
6.788 * [progress]: [Phase 3 of 3] Extracting.
6.794 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
6.794 * * [simplify]: Extracting # 0 : cost  0
6.794 * * [simplify]: Extracting # 1 : cost  0
6.794 * * [simplify]: Extracting # 2 : cost  0
6.794 * * [simplify]: Extracting # 3 : cost  0
6.794 * * [simplify]: Extracting # 4 : cost  0
6.794 * * [simplify]: Extracting # 5 : cost  0
6.794 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
6.794 * * [simplify]: Extracting # 0 : cost  0
6.794 * * [simplify]: iteration done:  7  enodes  (cost  9 )
6.794 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
12.579 * [regime-testing]: Baseline error score: 0.09970203943882879
12.583 * [regime-testing]: Oracle error score: 0.09970203943882879
12.583 * [regime-testing]: End program error score: 0.09970203943882879