30.505 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.106 * * * [progress]: [2/2] Setting up program.
0.108 * [progress]: [Phase 2 of 3] Improving.
0.109 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.109 * * [simplify]: Extracting # 0 : cost  0
0.109 * * [simplify]: Extracting # 1 : cost  0
0.109 * * [simplify]: Extracting # 2 : cost  0
0.109 * * [simplify]: Extracting # 3 : cost  0
0.109 * * [simplify]: Extracting # 4 : cost  0
0.109 * * [simplify]: Extracting # 5 : cost  0
0.109 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.110 * * [simplify]: Extracting # 0 : cost  0
0.110 * * [simplify]: Extracting # 1 : cost  0
0.110 * * [simplify]: Extracting # 2 : cost  0
0.110 * * [simplify]: Extracting # 3 : cost  0
0.110 * * [simplify]: iteration  1 :  16  enodes  (cost  9 )
0.113 * * [simplify]: Extracting # 0 : cost  0
0.113 * * [simplify]: Extracting # 1 : cost  0
0.113 * * [simplify]: Extracting # 2 : cost  0
0.114 * * [simplify]: Extracting # 3 : cost  0
0.114 * * [simplify]: Extracting # 4 : cost  0
0.114 * * [simplify]: iteration  2 :  46  enodes  (cost  9 )
0.167 * * [simplify]: Extracting # 0 : cost  0
0.167 * * [simplify]: Extracting # 1 : cost  0
0.167 * * [simplify]: Extracting # 2 : cost  0
0.167 * * [simplify]: Extracting # 3 : cost  0
0.168 * * [simplify]: Extracting # 4 : cost  0
0.168 * * [simplify]: Extracting # 5 : cost  0
0.168 * * [simplify]: iteration  3 :  189  enodes  (cost  9 )
11.007 * * [simplify]: Extracting # 0 : cost  0
11.370 * * [simplify]: Extracting # 1 : cost  0
11.379 * * [simplify]: Extracting # 2 : cost  0
11.392 * * [simplify]: Extracting # 3 : cost  0
11.404 * * [simplify]: Extracting # 4 : cost  0
11.415 * * [simplify]: Extracting # 5 : cost  0
11.424 * * [simplify]: Extracting # 6 : cost  0
11.433 * * [simplify]: iteration done:  5000  enodes  (cost  9 )
11.433 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
11.434 * * [progress]: iteration 1 / 4
11.434 * * * [progress]: picking best candidate
11.437 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
11.437 * * * [progress]: localizing error
11.451 * * * [progress]: generating rewritten candidates
11.451 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
11.454 * * * [progress]: generating series expansions
11.454 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
11.454 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
11.454 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
11.454 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
11.454 * [taylor]: Taking taylor expansion of (atan2 b b) in b
11.454 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
11.454 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
11.454 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
11.454 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
11.454 * [taylor]: Taking taylor expansion of (atan2 b b) in b
11.454 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
11.454 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
11.454 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
11.454 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
11.454 * [backup-simplify]: Simplify 0 into 0
11.455 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
11.455 * [backup-simplify]: Simplify 0 into 0
11.456 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
11.456 * [backup-simplify]: Simplify 0 into 0
11.456 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
11.457 * [backup-simplify]: Simplify 0 into 0
11.457 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
11.457 * [backup-simplify]: Simplify 0 into 0
11.458 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
11.458 * [backup-simplify]: Simplify 0 into 0
11.458 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
11.458 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
11.458 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
11.458 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
11.458 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
11.458 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
11.458 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
11.458 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.458 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
11.458 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
11.458 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
11.459 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
11.459 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.459 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
11.459 * [backup-simplify]: Simplify 0 into 0
11.459 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.459 * [backup-simplify]: Simplify 0 into 0
11.460 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.460 * [backup-simplify]: Simplify 0 into 0
11.461 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.461 * [backup-simplify]: Simplify 0 into 0
11.461 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.461 * [backup-simplify]: Simplify 0 into 0
11.462 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
11.462 * [backup-simplify]: Simplify 0 into 0
11.462 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
11.462 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
11.462 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
11.462 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
11.462 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
11.462 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
11.462 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
11.463 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.463 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
11.463 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
11.463 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
11.463 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
11.463 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.463 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
11.463 * [backup-simplify]: Simplify 0 into 0
11.464 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.464 * [backup-simplify]: Simplify 0 into 0
11.464 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.464 * [backup-simplify]: Simplify 0 into 0
11.465 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.465 * [backup-simplify]: Simplify 0 into 0
11.466 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.466 * [backup-simplify]: Simplify 0 into 0
11.466 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
11.466 * [backup-simplify]: Simplify 0 into 0
11.466 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
11.466 * * * [progress]: simplifying candidates
11.467 * [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))
11.467 * * [simplify]: Extracting # 0 : cost  0
11.467 * * [simplify]: Extracting # 1 : cost  0
11.468 * * [simplify]: Extracting # 2 : cost  0
11.468 * * [simplify]: Extracting # 3 : cost  0
11.468 * * [simplify]: Extracting # 4 : cost  0
11.468 * * [simplify]: Extracting # 5 : cost  0
11.468 * * [simplify]: Extracting # 6 : cost  0
11.468 * * [simplify]: iteration  0 :  20  enodes  (cost  106 )
11.473 * * [simplify]: Extracting # 0 : cost  0
11.473 * * [simplify]: Extracting # 1 : cost  0
11.473 * * [simplify]: Extracting # 2 : cost  0
11.473 * * [simplify]: iteration  1 :  26  enodes  (cost  92 )
11.476 * * [simplify]: Extracting # 0 : cost  0
11.476 * * [simplify]: Extracting # 1 : cost  0
11.476 * * [simplify]: Extracting # 2 : cost  0
11.476 * * [simplify]: Extracting # 3 : cost  0
11.476 * * [simplify]: Extracting # 4 : cost  0
11.476 * * [simplify]: iteration  2 :  33  enodes  (cost  90 )
11.482 * * [simplify]: Extracting # 0 : cost  0
11.482 * * [simplify]: Extracting # 1 : cost  0
11.482 * * [simplify]: Extracting # 2 : cost  0
11.482 * * [simplify]: Extracting # 3 : cost  0
11.482 * * [simplify]: iteration  3 :  58  enodes  (cost  90 )
11.530 * * [simplify]: Extracting # 0 : cost  0
11.530 * * [simplify]: Extracting # 1 : cost  0
11.530 * * [simplify]: Extracting # 2 : cost  0
11.530 * * [simplify]: Extracting # 3 : cost  0
11.531 * * [simplify]: Extracting # 4 : cost  0
11.531 * * [simplify]: iteration  4 :  167  enodes  (cost  90 )
11.688 * * [simplify]: Extracting # 0 : cost  0
11.689 * * [simplify]: Extracting # 1 : cost  0
11.690 * * [simplify]: Extracting # 2 : cost  0
11.691 * * [simplify]: Extracting # 3 : cost  0
11.691 * * [simplify]: Extracting # 4 : cost  0
11.692 * * [simplify]: iteration  5 :  700  enodes  (cost  90 )
17.053 * * [simplify]: Extracting # 0 : cost  0
17.057 * * [simplify]: Extracting # 1 : cost  0
17.059 * * [simplify]: Extracting # 2 : cost  0
17.062 * * [simplify]: Extracting # 3 : cost  0
17.064 * * [simplify]: Extracting # 4 : cost  0
17.066 * * [simplify]: Extracting # 5 : cost  0
17.069 * * [simplify]: iteration  6 :  4574  enodes  (cost  90 )
19.937 * * [simplify]: Extracting # 0 : cost  0
19.945 * * [simplify]: Extracting # 1 : cost  0
19.948 * * [simplify]: Extracting # 2 : cost  0
19.951 * * [simplify]: Extracting # 3 : cost  0
19.954 * * [simplify]: iteration done:  5000  enodes  (cost  90 )
19.954 * [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))
19.954 * * * [progress]: adding candidates to table
20.007 * [progress]: [Phase 3 of 3] Extracting.
20.009 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
20.009 * * [simplify]: Extracting # 0 : cost  0
20.009 * * [simplify]: Extracting # 1 : cost  0
20.009 * * [simplify]: Extracting # 2 : cost  0
20.009 * * [simplify]: Extracting # 3 : cost  0
20.009 * * [simplify]: Extracting # 4 : cost  0
20.009 * * [simplify]: Extracting # 5 : cost  0
20.009 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
20.010 * * [simplify]: Extracting # 0 : cost  0
20.010 * * [simplify]: iteration done:  7  enodes  (cost  9 )
20.010 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
25.049 * [regime-testing]: End program error score: 0.09970203943882879