15.784 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.086 * * * [progress]: [2/2] Setting up program.
0.089 * [progress]: [Phase 2 of 3] Improving.
0.089 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.089 * * [simplify]: Extracting # 0 : cost  0
0.089 * * [simplify]: Extracting # 1 : cost  0
0.089 * * [simplify]: Extracting # 2 : cost  0
0.089 * * [simplify]: Extracting # 3 : cost  0
0.089 * * [simplify]: Extracting # 4 : cost  0
0.089 * * [simplify]: Extracting # 5 : cost  0
0.089 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.090 * * [simplify]: Extracting # 0 : cost  0
0.090 * * [simplify]: Extracting # 1 : cost  0
0.090 * * [simplify]: Extracting # 2 : cost  0
0.091 * * [simplify]: Extracting # 3 : cost  0
0.091 * * [simplify]: Extracting # 4 : cost  0
0.091 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.093 * * [simplify]: Extracting # 0 : cost  0
0.093 * * [simplify]: Extracting # 1 : cost  0
0.093 * * [simplify]: Extracting # 2 : cost  0
0.093 * * [simplify]: Extracting # 3 : cost  0
0.093 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.097 * * [simplify]: Extracting # 0 : cost  0
0.097 * * [simplify]: Extracting # 1 : cost  0
0.097 * * [simplify]: Extracting # 2 : cost  0
0.097 * * [simplify]: Extracting # 3 : cost  0
0.097 * * [simplify]: Extracting # 4 : cost  0
0.097 * * [simplify]: iteration  3 :  45  enodes  (cost  9 )
0.130 * * [simplify]: Extracting # 0 : cost  0
0.131 * * [simplify]: Extracting # 1 : cost  0
0.131 * * [simplify]: Extracting # 2 : cost  0
0.131 * * [simplify]: Extracting # 3 : cost  0
0.131 * * [simplify]: Extracting # 4 : cost  0
0.131 * * [simplify]: Extracting # 5 : cost  0
0.131 * * [simplify]: iteration  4 :  115  enodes  (cost  9 )
0.189 * * [simplify]: Extracting # 0 : cost  0
0.189 * * [simplify]: Extracting # 1 : cost  0
0.189 * * [simplify]: Extracting # 2 : cost  0
0.190 * * [simplify]: Extracting # 3 : cost  0
0.190 * * [simplify]: Extracting # 4 : cost  0
0.190 * * [simplify]: Extracting # 5 : cost  0
0.190 * * [simplify]: iteration  5 :  274  enodes  (cost  9 )
0.404 * * [simplify]: Extracting # 0 : cost  0
0.405 * * [simplify]: Extracting # 1 : cost  0
0.405 * * [simplify]: Extracting # 2 : cost  0
0.406 * * [simplify]: Extracting # 3 : cost  0
0.406 * * [simplify]: Extracting # 4 : cost  0
0.407 * * [simplify]: Extracting # 5 : cost  0
0.408 * * [simplify]: iteration  6 :  837  enodes  (cost  9 )
2.433 * * [simplify]: Extracting # 0 : cost  0
2.438 * * [simplify]: Extracting # 1 : cost  0
2.439 * * [simplify]: Extracting # 2 : cost  0
2.441 * * [simplify]: Extracting # 3 : cost  0
2.443 * * [simplify]: Extracting # 4 : cost  0
2.445 * * [simplify]: iteration  7 :  3217  enodes  (cost  9 )
4.304 * * [simplify]: Extracting # 0 : cost  0
4.308 * * [simplify]: Extracting # 1 : cost  0
4.313 * * [simplify]: Extracting # 2 : cost  0
4.316 * * [simplify]: Extracting # 3 : cost  0
4.320 * * [simplify]: iteration done:  5001  enodes  (cost  9 )
4.321 * [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
4.335 * * * [progress]: generating rewritten candidates
4.335 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
4.339 * * * [progress]: generating series expansions
4.339 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
4.339 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.339 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
4.339 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.339 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.339 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.339 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.339 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.339 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.339 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.339 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.340 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.340 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.340 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.340 * [backup-simplify]: Simplify 0 into 0
4.341 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
4.341 * [backup-simplify]: Simplify 0 into 0
4.342 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.342 * [backup-simplify]: Simplify 0 into 0
4.343 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.343 * [backup-simplify]: Simplify 0 into 0
4.344 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.344 * [backup-simplify]: Simplify 0 into 0
4.345 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.345 * [backup-simplify]: Simplify 0 into 0
4.345 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.345 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.346 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
4.346 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.346 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.346 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.346 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.346 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.346 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.346 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.346 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.346 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.347 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.347 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.347 * [backup-simplify]: Simplify 0 into 0
4.348 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.348 * [backup-simplify]: Simplify 0 into 0
4.349 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.349 * [backup-simplify]: Simplify 0 into 0
4.349 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.349 * [backup-simplify]: Simplify 0 into 0
4.350 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.350 * [backup-simplify]: Simplify 0 into 0
4.351 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.351 * [backup-simplify]: Simplify 0 into 0
4.351 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
4.351 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.351 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
4.351 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.351 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.351 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.351 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.351 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.351 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.351 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.351 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.351 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.352 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.352 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.352 * [backup-simplify]: Simplify 0 into 0
4.352 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.352 * [backup-simplify]: Simplify 0 into 0
4.353 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 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 (/ -1 b) (/ -1 b))))) into 0
4.354 * [backup-simplify]: Simplify 0 into 0
4.354 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.354 * [backup-simplify]: Simplify 0 into 0
4.355 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.355 * [backup-simplify]: Simplify 0 into 0
4.355 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
4.355 * * * [progress]: simplifying candidates
4.356 * [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))
4.356 * * [simplify]: Extracting # 0 : cost  0
4.356 * * [simplify]: Extracting # 1 : cost  0
4.356 * * [simplify]: Extracting # 2 : cost  0
4.356 * * [simplify]: Extracting # 3 : cost  0
4.356 * * [simplify]: Extracting # 4 : cost  0
4.356 * * [simplify]: Extracting # 5 : cost  0
4.356 * * [simplify]: Extracting # 6 : cost  0
4.356 * * [simplify]: iteration  0 :  20  enodes  (cost  106 )
4.367 * * [simplify]: Extracting # 0 : cost  0
4.367 * * [simplify]: Extracting # 1 : cost  0
4.367 * * [simplify]: Extracting # 2 : cost  0
4.367 * * [simplify]: iteration  1 :  25  enodes  (cost  92 )
4.370 * * [simplify]: Extracting # 0 : cost  0
4.370 * * [simplify]: Extracting # 1 : cost  0
4.370 * * [simplify]: Extracting # 2 : cost  0
4.370 * * [simplify]: iteration  2 :  28  enodes  (cost  90 )
4.374 * * [simplify]: Extracting # 0 : cost  0
4.374 * * [simplify]: Extracting # 1 : cost  0
4.374 * * [simplify]: Extracting # 2 : cost  0
4.374 * * [simplify]: Extracting # 3 : cost  0
4.374 * * [simplify]: iteration  3 :  32  enodes  (cost  90 )
4.384 * * [simplify]: Extracting # 0 : cost  0
4.384 * * [simplify]: Extracting # 1 : cost  0
4.384 * * [simplify]: Extracting # 2 : cost  0
4.384 * * [simplify]: Extracting # 3 : cost  0
4.385 * * [simplify]: Extracting # 4 : cost  0
4.385 * * [simplify]: iteration  4 :  38  enodes  (cost  90 )
4.394 * * [simplify]: Extracting # 0 : cost  0
4.394 * * [simplify]: Extracting # 1 : cost  0
4.394 * * [simplify]: Extracting # 2 : cost  0
4.394 * * [simplify]: Extracting # 3 : cost  0
4.395 * * [simplify]: Extracting # 4 : cost  0
4.395 * * [simplify]: iteration  5 :  48  enodes  (cost  90 )
4.403 * * [simplify]: Extracting # 0 : cost  0
4.403 * * [simplify]: Extracting # 1 : cost  0
4.403 * * [simplify]: Extracting # 2 : cost  0
4.403 * * [simplify]: Extracting # 3 : cost  0
4.403 * * [simplify]: iteration  6 :  69  enodes  (cost  90 )
4.419 * * [simplify]: Extracting # 0 : cost  0
4.419 * * [simplify]: Extracting # 1 : cost  0
4.419 * * [simplify]: Extracting # 2 : cost  0
4.419 * * [simplify]: Extracting # 3 : cost  0
4.419 * * [simplify]: iteration  7 :  147  enodes  (cost  90 )
4.518 * * [simplify]: Extracting # 0 : cost  0
4.519 * * [simplify]: Extracting # 1 : cost  0
4.520 * * [simplify]: Extracting # 2 : cost  0
4.520 * * [simplify]: Extracting # 3 : cost  0
4.521 * * [simplify]: Extracting # 4 : cost  0
4.521 * * [simplify]: iteration  8 :  437  enodes  (cost  90 )
5.388 * * [simplify]: Extracting # 0 : cost  0
5.391 * * [simplify]: Extracting # 1 : cost  0
5.393 * * [simplify]: Extracting # 2 : cost  0
5.395 * * [simplify]: Extracting # 3 : cost  0
5.397 * * [simplify]: Extracting # 4 : cost  0
5.399 * * [simplify]: iteration  9 :  1815  enodes  (cost  90 )
6.504 * * [simplify]: Extracting # 0 : cost  0
6.512 * * [simplify]: Extracting # 1 : cost  0
6.524 * * [simplify]: Extracting # 2 : cost  0
6.534 * * [simplify]: Extracting # 3 : cost  0
6.544 * * [simplify]: iteration done:  5001  enodes  (cost  90 )
6.544 * [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))
6.544 * * * [progress]: adding candidates to table
6.630 * [progress]: [Phase 3 of 3] Extracting.
6.635 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
6.635 * * [simplify]: Extracting # 0 : cost  0
6.635 * * [simplify]: Extracting # 1 : cost  0
6.635 * * [simplify]: Extracting # 2 : cost  0
6.635 * * [simplify]: Extracting # 3 : cost  0
6.635 * * [simplify]: Extracting # 4 : cost  0
6.635 * * [simplify]: Extracting # 5 : cost  0
6.635 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
6.636 * * [simplify]: Extracting # 0 : cost  0
6.636 * * [simplify]: iteration done:  7  enodes  (cost  9 )
6.636 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
12.590 * [regime-testing]: Baseline error score: 0.09970203943882879
12.590 * [regime-testing]: Oracle error score: 0.09970203943882879
12.590 * [regime-testing]: End program error score: 0.09970203943882879