27.602 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.110 * * * [progress]: [2/2] Setting up program.
0.115 * [progress]: [Phase 2 of 3] Improving.
0.115 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.116 * * [simplify]: Extracting # 0 : cost  0
0.116 * * [simplify]: Extracting # 1 : cost  0
0.116 * * [simplify]: Extracting # 2 : cost  0
0.116 * * [simplify]: Extracting # 3 : cost  0
0.116 * * [simplify]: Extracting # 4 : cost  0
0.116 * * [simplify]: Extracting # 5 : cost  0
0.116 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.119 * * [simplify]: Extracting # 0 : cost  0
0.119 * * [simplify]: Extracting # 1 : cost  0
0.119 * * [simplify]: Extracting # 2 : cost  0
0.119 * * [simplify]: Extracting # 3 : cost  0
0.119 * * [simplify]: iteration  1 :  16  enodes  (cost  9 )
0.126 * * [simplify]: Extracting # 0 : cost  0
0.126 * * [simplify]: Extracting # 1 : cost  0
0.126 * * [simplify]: Extracting # 2 : cost  0
0.127 * * [simplify]: Extracting # 3 : cost  0
0.127 * * [simplify]: Extracting # 4 : cost  0
0.127 * * [simplify]: iteration  2 :  46  enodes  (cost  9 )
0.185 * * [simplify]: Extracting # 0 : cost  0
0.185 * * [simplify]: Extracting # 1 : cost  0
0.185 * * [simplify]: Extracting # 2 : cost  0
0.185 * * [simplify]: Extracting # 3 : cost  0
0.185 * * [simplify]: Extracting # 4 : cost  0
0.186 * * [simplify]: Extracting # 5 : cost  0
0.186 * * [simplify]: iteration  3 :  189  enodes  (cost  9 )
10.427 * * [simplify]: Extracting # 0 : cost  0
10.444 * * [simplify]: Extracting # 1 : cost  0
10.451 * * [simplify]: Extracting # 2 : cost  0
10.463 * * [simplify]: Extracting # 3 : cost  0
10.472 * * [simplify]: Extracting # 4 : cost  0
10.479 * * [simplify]: Extracting # 5 : cost  0
10.485 * * [simplify]: iteration done:  5000  enodes  (cost  9 )
10.485 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
10.485 * * [progress]: iteration 1 / 4
10.485 * * * [progress]: picking best candidate
10.488 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
10.488 * * * [progress]: localizing error
10.497 * * * [progress]: generating rewritten candidates
10.497 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
10.499 * * * [progress]: generating series expansions
10.499 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
10.499 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
10.499 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
10.499 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
10.499 * [taylor]: Taking taylor expansion of (atan2 b b) in b
10.499 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
10.499 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
10.499 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
10.499 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
10.499 * [taylor]: Taking taylor expansion of (atan2 b b) in b
10.499 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
10.500 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
10.500 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
10.500 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
10.500 * [backup-simplify]: Simplify 0 into 0
10.507 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
10.507 * [backup-simplify]: Simplify 0 into 0
10.508 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
10.508 * [backup-simplify]: Simplify 0 into 0
10.510 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
10.510 * [backup-simplify]: Simplify 0 into 0
10.510 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
10.511 * [backup-simplify]: Simplify 0 into 0
10.512 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
10.512 * [backup-simplify]: Simplify 0 into 0
10.512 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
10.512 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
10.512 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
10.512 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
10.512 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
10.512 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
10.512 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
10.513 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.513 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
10.513 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
10.513 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
10.513 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
10.513 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.513 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
10.513 * [backup-simplify]: Simplify 0 into 0
10.514 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.514 * [backup-simplify]: Simplify 0 into 0
10.515 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.515 * [backup-simplify]: Simplify 0 into 0
10.517 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.517 * [backup-simplify]: Simplify 0 into 0
10.518 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.518 * [backup-simplify]: Simplify 0 into 0
10.519 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.519 * [backup-simplify]: Simplify 0 into 0
10.520 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
10.520 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
10.520 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
10.520 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
10.520 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
10.520 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
10.520 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
10.520 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.520 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
10.520 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
10.521 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
10.521 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
10.521 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.521 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
10.521 * [backup-simplify]: Simplify 0 into 0
10.522 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.522 * [backup-simplify]: Simplify 0 into 0
10.523 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.523 * [backup-simplify]: Simplify 0 into 0
10.525 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.525 * [backup-simplify]: Simplify 0 into 0
10.526 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.526 * [backup-simplify]: Simplify 0 into 0
10.527 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.527 * [backup-simplify]: Simplify 0 into 0
10.527 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
10.527 * * * [progress]: simplifying candidates
10.528 * [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))
10.528 * * [simplify]: Extracting # 0 : cost  0
10.528 * * [simplify]: Extracting # 1 : cost  0
10.528 * * [simplify]: Extracting # 2 : cost  0
10.528 * * [simplify]: Extracting # 3 : cost  0
10.528 * * [simplify]: Extracting # 4 : cost  0
10.529 * * [simplify]: Extracting # 5 : cost  0
10.529 * * [simplify]: Extracting # 6 : cost  0
10.529 * * [simplify]: iteration  0 :  18  enodes  (cost  96 )
10.536 * * [simplify]: Extracting # 0 : cost  0
10.536 * * [simplify]: Extracting # 1 : cost  0
10.536 * * [simplify]: Extracting # 2 : cost  0
10.536 * * [simplify]: iteration  1 :  24  enodes  (cost  82 )
10.542 * * [simplify]: Extracting # 0 : cost  0
10.542 * * [simplify]: Extracting # 1 : cost  0
10.542 * * [simplify]: Extracting # 2 : cost  0
10.542 * * [simplify]: Extracting # 3 : cost  0
10.542 * * [simplify]: Extracting # 4 : cost  0
10.542 * * [simplify]: iteration  2 :  31  enodes  (cost  80 )
10.549 * * [simplify]: Extracting # 0 : cost  0
10.549 * * [simplify]: Extracting # 1 : cost  0
10.549 * * [simplify]: Extracting # 2 : cost  0
10.549 * * [simplify]: Extracting # 3 : cost  0
10.549 * * [simplify]: Extracting # 4 : cost  0
10.549 * * [simplify]: iteration  3 :  56  enodes  (cost  80 )
10.562 * * [simplify]: Extracting # 0 : cost  0
10.562 * * [simplify]: Extracting # 1 : cost  0
10.562 * * [simplify]: Extracting # 2 : cost  0
10.563 * * [simplify]: Extracting # 3 : cost  0
10.563 * * [simplify]: Extracting # 4 : cost  0
10.563 * * [simplify]: Extracting # 5 : cost  0
10.563 * * [simplify]: iteration  4 :  122  enodes  (cost  80 )
10.629 * * [simplify]: Extracting # 0 : cost  0
10.629 * * [simplify]: Extracting # 1 : cost  0
10.630 * * [simplify]: Extracting # 2 : cost  0
10.631 * * [simplify]: Extracting # 3 : cost  0
10.631 * * [simplify]: Extracting # 4 : cost  0
10.632 * * [simplify]: iteration  5 :  399  enodes  (cost  80 )
14.069 * * [simplify]: Extracting # 0 : cost  0
14.072 * * [simplify]: Extracting # 1 : cost  0
14.075 * * [simplify]: Extracting # 2 : cost  0
14.077 * * [simplify]: Extracting # 3 : cost  0
14.079 * * [simplify]: Extracting # 4 : cost  0
14.081 * * [simplify]: iteration  6 :  3484  enodes  (cost  80 )
17.450 * * [simplify]: Extracting # 0 : cost  0
17.460 * * [simplify]: Extracting # 1 : cost  0
17.468 * * [simplify]: Extracting # 2 : cost  0
17.475 * * [simplify]: Extracting # 3 : cost  0
17.483 * * [simplify]: Extracting # 4 : cost  0
17.490 * * [simplify]: Extracting # 5 : cost  0
17.498 * * [simplify]: iteration done:  5001  enodes  (cost  80 )
17.498 * [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))
17.499 * * * [progress]: adding candidates to table
17.545 * [progress]: [Phase 3 of 3] Extracting.
17.548 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
17.548 * * [simplify]: Extracting # 0 : cost  0
17.548 * * [simplify]: Extracting # 1 : cost  0
17.548 * * [simplify]: Extracting # 2 : cost  0
17.548 * * [simplify]: Extracting # 3 : cost  0
17.548 * * [simplify]: Extracting # 4 : cost  0
17.548 * * [simplify]: Extracting # 5 : cost  0
17.548 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
17.548 * * [simplify]: Extracting # 0 : cost  0
17.548 * * [simplify]: iteration done:  7  enodes  (cost  9 )
17.548 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
23.051 * [regime-testing]: End program error score: 0.09970203943882879