1.341 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.249 * * * [progress]: [2/2] Setting up program.
0.256 * [progress]: [Phase 2 of 3] Improving.
0.263 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.264 * * [simplify]: Extracting # 0 : cost  0
0.265 * * [simplify]: Extracting # 1 : cost  0
0.265 * * [simplify]: Extracting # 2 : cost  0
0.265 * * [simplify]: Extracting # 3 : cost  0
0.265 * * [simplify]: Extracting # 4 : cost  0
0.265 * * [simplify]: Extracting # 5 : cost  0
0.265 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.273 * * [simplify]: Extracting # 0 : cost  0
0.273 * * [simplify]: Extracting # 1 : cost  0
0.273 * * [simplify]: Extracting # 2 : cost  0
0.273 * * [simplify]: Extracting # 3 : cost  0
0.273 * * [simplify]: iteration  1 :  16  enodes  (cost  9 )
0.280 * * [simplify]: Extracting # 0 : cost  0
0.280 * * [simplify]: Extracting # 1 : cost  0
0.280 * * [simplify]: Extracting # 2 : cost  0
0.280 * * [simplify]: Extracting # 3 : cost  0
0.280 * * [simplify]: Extracting # 4 : cost  0
0.280 * * [simplify]: iteration  2 :  46  enodes  (cost  9 )
0.314 * * [simplify]: Extracting # 0 : cost  0
0.314 * * [simplify]: Extracting # 1 : cost  0
0.314 * * [simplify]: Extracting # 2 : cost  0
0.315 * * [simplify]: Extracting # 3 : cost  0
0.315 * * [simplify]: Extracting # 4 : cost  0
0.316 * * [simplify]: Extracting # 5 : cost  0
0.316 * * [simplify]: iteration  3 :  189  enodes  (cost  9 )
11.612 * * [simplify]: Extracting # 0 : cost  0
11.630 * * [simplify]: Extracting # 1 : cost  0
11.637 * * [simplify]: Extracting # 2 : cost  0
11.644 * * [simplify]: Extracting # 3 : cost  0
11.651 * * [simplify]: Extracting # 4 : cost  0
11.661 * * [simplify]: Extracting # 5 : cost  0
11.672 * * [simplify]: Extracting # 6 : cost  0
11.685 * * [simplify]: iteration done:  5000  enodes  (cost  9 )
11.685 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
11.688 * * [progress]: iteration 1 / 4
11.688 * * * [progress]: picking best candidate
11.693 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
11.693 * * * [progress]: localizing error
11.716 * * * [progress]: generating rewritten candidates
11.717 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
11.725 * * * [progress]: generating series expansions
11.725 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
11.732 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
11.732 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
11.733 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
11.733 * [taylor]: Taking taylor expansion of (atan2 b b) in b
11.735 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
11.735 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
11.735 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
11.736 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
11.736 * [taylor]: Taking taylor expansion of (atan2 b b) in b
11.736 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
11.736 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
11.736 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
11.736 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
11.737 * [backup-simplify]: Simplify 0 into 0
11.738 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
11.738 * [backup-simplify]: Simplify 0 into 0
11.739 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
11.739 * [backup-simplify]: Simplify 0 into 0
11.740 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
11.740 * [backup-simplify]: Simplify 0 into 0
11.741 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
11.741 * [backup-simplify]: Simplify 0 into 0
11.742 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
11.742 * [backup-simplify]: Simplify 0 into 0
11.742 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
11.743 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
11.743 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
11.743 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
11.743 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
11.743 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
11.743 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
11.743 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.743 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
11.743 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
11.743 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
11.744 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
11.744 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.744 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
11.744 * [backup-simplify]: Simplify 0 into 0
11.745 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.745 * [backup-simplify]: Simplify 0 into 0
11.746 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.746 * [backup-simplify]: Simplify 0 into 0
11.747 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.747 * [backup-simplify]: Simplify 0 into 0
11.748 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.748 * [backup-simplify]: Simplify 0 into 0
11.749 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.749 * [backup-simplify]: Simplify 0 into 0
11.750 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
11.751 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
11.751 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
11.751 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
11.751 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
11.751 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
11.751 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
11.751 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.751 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
11.751 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
11.751 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
11.751 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
11.752 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.752 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
11.752 * [backup-simplify]: Simplify 0 into 0
11.753 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.753 * [backup-simplify]: Simplify 0 into 0
11.754 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.754 * [backup-simplify]: Simplify 0 into 0
11.755 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.755 * [backup-simplify]: Simplify 0 into 0
11.756 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.756 * [backup-simplify]: Simplify 0 into 0
11.757 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.757 * [backup-simplify]: Simplify 0 into 0
11.757 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
11.757 * * * [progress]: simplifying candidates
11.758 * [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))
11.759 * * [simplify]: Extracting # 0 : cost  0
11.759 * * [simplify]: Extracting # 1 : cost  0
11.759 * * [simplify]: Extracting # 2 : cost  0
11.759 * * [simplify]: Extracting # 3 : cost  0
11.759 * * [simplify]: Extracting # 4 : cost  0
11.759 * * [simplify]: Extracting # 5 : cost  0
11.759 * * [simplify]: Extracting # 6 : cost  0
11.759 * * [simplify]: iteration  0 :  20  enodes  (cost  106 )
11.765 * * [simplify]: Extracting # 0 : cost  0
11.765 * * [simplify]: Extracting # 1 : cost  0
11.765 * * [simplify]: Extracting # 2 : cost  0
11.765 * * [simplify]: iteration  1 :  26  enodes  (cost  92 )
11.768 * * [simplify]: Extracting # 0 : cost  0
11.768 * * [simplify]: Extracting # 1 : cost  0
11.768 * * [simplify]: Extracting # 2 : cost  0
11.768 * * [simplify]: Extracting # 3 : cost  0
11.768 * * [simplify]: Extracting # 4 : cost  0
11.768 * * [simplify]: iteration  2 :  33  enodes  (cost  90 )
11.773 * * [simplify]: Extracting # 0 : cost  0
11.773 * * [simplify]: Extracting # 1 : cost  0
11.774 * * [simplify]: Extracting # 2 : cost  0
11.774 * * [simplify]: Extracting # 3 : cost  0
11.774 * * [simplify]: iteration  3 :  58  enodes  (cost  90 )
11.817 * * [simplify]: Extracting # 0 : cost  0
11.817 * * [simplify]: Extracting # 1 : cost  0
11.818 * * [simplify]: Extracting # 2 : cost  0
11.818 * * [simplify]: Extracting # 3 : cost  0
11.818 * * [simplify]: Extracting # 4 : cost  0
11.818 * * [simplify]: iteration  4 :  167  enodes  (cost  90 )
12.005 * * [simplify]: Extracting # 0 : cost  0
12.006 * * [simplify]: Extracting # 1 : cost  0
12.007 * * [simplify]: Extracting # 2 : cost  0
12.007 * * [simplify]: Extracting # 3 : cost  0
12.008 * * [simplify]: Extracting # 4 : cost  0
12.009 * * [simplify]: iteration  5 :  700  enodes  (cost  90 )
18.019 * * [simplify]: Extracting # 0 : cost  0
18.025 * * [simplify]: Extracting # 1 : cost  0
18.030 * * [simplify]: Extracting # 2 : cost  0
18.035 * * [simplify]: Extracting # 3 : cost  0
18.039 * * [simplify]: Extracting # 4 : cost  0
18.042 * * [simplify]: Extracting # 5 : cost  0
18.044 * * [simplify]: iteration  6 :  4574  enodes  (cost  90 )
20.889 * * [simplify]: Extracting # 0 : cost  0
20.892 * * [simplify]: Extracting # 1 : cost  0
20.896 * * [simplify]: Extracting # 2 : cost  0
20.899 * * [simplify]: Extracting # 3 : cost  0
20.901 * * [simplify]: iteration done:  5000  enodes  (cost  90 )
20.902 * [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))
20.902 * * * [progress]: adding candidates to table
20.951 * [progress]: [Phase 3 of 3] Extracting.
20.955 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
20.955 * * [simplify]: Extracting # 0 : cost  0
20.955 * * [simplify]: Extracting # 1 : cost  0
20.955 * * [simplify]: Extracting # 2 : cost  0
20.955 * * [simplify]: Extracting # 3 : cost  0
20.955 * * [simplify]: Extracting # 4 : cost  0
20.955 * * [simplify]: Extracting # 5 : cost  0
20.955 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
20.956 * * [simplify]: Extracting # 0 : cost  0
20.956 * * [simplify]: iteration done:  7  enodes  (cost  9 )
20.956 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
26.980 * [regime-testing]: End program error score: 0.09970203943882879