1.507 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.263 * * * [progress]: [2/2] Setting up program.
0.270 * [progress]: [Phase 2 of 3] Improving.
0.274 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.275 * * [simplify]: Extracting # 0 : cost  0
0.276 * * [simplify]: Extracting # 1 : cost  0
0.276 * * [simplify]: Extracting # 2 : cost  0
0.276 * * [simplify]: Extracting # 3 : cost  0
0.276 * * [simplify]: Extracting # 4 : cost  0
0.276 * * [simplify]: Extracting # 5 : cost  0
0.276 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.283 * * [simplify]: Extracting # 0 : cost  0
0.283 * * [simplify]: Extracting # 1 : cost  0
0.283 * * [simplify]: Extracting # 2 : cost  0
0.283 * * [simplify]: Extracting # 3 : cost  0
0.283 * * [simplify]: iteration  1 :  16  enodes  (cost  9 )
0.289 * * [simplify]: Extracting # 0 : cost  0
0.289 * * [simplify]: Extracting # 1 : cost  0
0.289 * * [simplify]: Extracting # 2 : cost  0
0.289 * * [simplify]: Extracting # 3 : cost  0
0.289 * * [simplify]: Extracting # 4 : cost  0
0.290 * * [simplify]: iteration  2 :  46  enodes  (cost  9 )
0.320 * * [simplify]: Extracting # 0 : cost  0
0.321 * * [simplify]: Extracting # 1 : cost  0
0.321 * * [simplify]: Extracting # 2 : cost  0
0.322 * * [simplify]: Extracting # 3 : cost  0
0.322 * * [simplify]: Extracting # 4 : cost  0
0.322 * * [simplify]: Extracting # 5 : cost  0
0.323 * * [simplify]: iteration  3 :  189  enodes  (cost  9 )
10.672 * * [simplify]: Extracting # 0 : cost  0
10.689 * * [simplify]: Extracting # 1 : cost  0
10.702 * * [simplify]: Extracting # 2 : cost  0
10.715 * * [simplify]: Extracting # 3 : cost  0
10.727 * * [simplify]: Extracting # 4 : cost  0
10.745 * * [simplify]: Extracting # 5 : cost  0
10.756 * * [simplify]: iteration done:  5000  enodes  (cost  9 )
10.757 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
10.759 * * [progress]: iteration 1 / 4
10.760 * * * [progress]: picking best candidate
10.765 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
10.765 * * * [progress]: localizing error
10.788 * * * [progress]: generating rewritten candidates
10.788 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
10.797 * * * [progress]: generating series expansions
10.797 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
10.804 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
10.804 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
10.806 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
10.806 * [taylor]: Taking taylor expansion of (atan2 b b) in b
10.808 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
10.809 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
10.809 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
10.809 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
10.809 * [taylor]: Taking taylor expansion of (atan2 b b) in b
10.809 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
10.809 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
10.809 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
10.810 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
10.810 * [backup-simplify]: Simplify 0 into 0
10.812 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
10.812 * [backup-simplify]: Simplify 0 into 0
10.813 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
10.813 * [backup-simplify]: Simplify 0 into 0
10.814 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
10.814 * [backup-simplify]: Simplify 0 into 0
10.815 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
10.815 * [backup-simplify]: Simplify 0 into 0
10.816 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
10.816 * [backup-simplify]: Simplify 0 into 0
10.816 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
10.816 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
10.816 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
10.816 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
10.816 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
10.817 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
10.817 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
10.817 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.817 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
10.817 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
10.817 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
10.817 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
10.817 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.818 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
10.818 * [backup-simplify]: Simplify 0 into 0
10.819 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.819 * [backup-simplify]: Simplify 0 into 0
10.820 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.820 * [backup-simplify]: Simplify 0 into 0
10.821 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.821 * [backup-simplify]: Simplify 0 into 0
10.822 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.822 * [backup-simplify]: Simplify 0 into 0
10.823 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
10.823 * [backup-simplify]: Simplify 0 into 0
10.823 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
10.824 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
10.824 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
10.824 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
10.824 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
10.824 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
10.825 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
10.825 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.825 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
10.825 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
10.825 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
10.825 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
10.825 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.826 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
10.826 * [backup-simplify]: Simplify 0 into 0
10.827 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.827 * [backup-simplify]: Simplify 0 into 0
10.828 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.828 * [backup-simplify]: Simplify 0 into 0
10.829 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.829 * [backup-simplify]: Simplify 0 into 0
10.830 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.830 * [backup-simplify]: Simplify 0 into 0
10.831 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
10.831 * [backup-simplify]: Simplify 0 into 0
10.831 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
10.831 * * * [progress]: simplifying candidates
10.832 * [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))
10.833 * * [simplify]: Extracting # 0 : cost  0
10.833 * * [simplify]: Extracting # 1 : cost  0
10.833 * * [simplify]: Extracting # 2 : cost  0
10.833 * * [simplify]: Extracting # 3 : cost  0
10.833 * * [simplify]: Extracting # 4 : cost  0
10.833 * * [simplify]: Extracting # 5 : cost  0
10.833 * * [simplify]: Extracting # 6 : cost  0
10.833 * * [simplify]: iteration  0 :  18  enodes  (cost  96 )
10.841 * * [simplify]: Extracting # 0 : cost  0
10.841 * * [simplify]: Extracting # 1 : cost  0
10.841 * * [simplify]: Extracting # 2 : cost  0
10.841 * * [simplify]: iteration  1 :  24  enodes  (cost  82 )
10.848 * * [simplify]: Extracting # 0 : cost  0
10.848 * * [simplify]: Extracting # 1 : cost  0
10.848 * * [simplify]: Extracting # 2 : cost  0
10.848 * * [simplify]: Extracting # 3 : cost  0
10.848 * * [simplify]: Extracting # 4 : cost  0
10.848 * * [simplify]: iteration  2 :  31  enodes  (cost  80 )
10.860 * * [simplify]: Extracting # 0 : cost  0
10.860 * * [simplify]: Extracting # 1 : cost  0
10.860 * * [simplify]: Extracting # 2 : cost  0
10.860 * * [simplify]: Extracting # 3 : cost  0
10.861 * * [simplify]: Extracting # 4 : cost  0
10.861 * * [simplify]: iteration  3 :  56  enodes  (cost  80 )
10.874 * * [simplify]: Extracting # 0 : cost  0
10.874 * * [simplify]: Extracting # 1 : cost  0
10.875 * * [simplify]: Extracting # 2 : cost  0
10.875 * * [simplify]: Extracting # 3 : cost  0
10.875 * * [simplify]: Extracting # 4 : cost  0
10.875 * * [simplify]: Extracting # 5 : cost  0
10.875 * * [simplify]: iteration  4 :  122  enodes  (cost  80 )
10.986 * * [simplify]: Extracting # 0 : cost  0
10.987 * * [simplify]: Extracting # 1 : cost  0
10.987 * * [simplify]: Extracting # 2 : cost  0
10.988 * * [simplify]: Extracting # 3 : cost  0
10.988 * * [simplify]: Extracting # 4 : cost  0
10.989 * * [simplify]: iteration  5 :  399  enodes  (cost  80 )
14.487 * * [simplify]: Extracting # 0 : cost  0
14.490 * * [simplify]: Extracting # 1 : cost  0
14.493 * * [simplify]: Extracting # 2 : cost  0
14.495 * * [simplify]: Extracting # 3 : cost  0
14.497 * * [simplify]: Extracting # 4 : cost  0
14.499 * * [simplify]: iteration  6 :  3484  enodes  (cost  80 )
18.025 * * [simplify]: Extracting # 0 : cost  0
18.034 * * [simplify]: Extracting # 1 : cost  0
18.043 * * [simplify]: Extracting # 2 : cost  0
18.050 * * [simplify]: Extracting # 3 : cost  0
18.060 * * [simplify]: Extracting # 4 : cost  0
18.068 * * [simplify]: Extracting # 5 : cost  0
18.077 * * [simplify]: iteration done:  5001  enodes  (cost  80 )
18.077 * [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))
18.078 * * * [progress]: adding candidates to table
18.141 * [progress]: [Phase 3 of 3] Extracting.
18.147 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
18.148 * * [simplify]: Extracting # 0 : cost  0
18.148 * * [simplify]: Extracting # 1 : cost  0
18.148 * * [simplify]: Extracting # 2 : cost  0
18.148 * * [simplify]: Extracting # 3 : cost  0
18.148 * * [simplify]: Extracting # 4 : cost  0
18.148 * * [simplify]: Extracting # 5 : cost  0
18.148 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
18.148 * * [simplify]: Extracting # 0 : cost  0
18.148 * * [simplify]: iteration done:  7  enodes  (cost  9 )
18.148 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
23.941 * [regime-testing]: End program error score: 0.09970203943882879