14.737 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.120 * * * [progress]: [2/2] Setting up program.
0.125 * [progress]: [Phase 2 of 3] Improving.
0.126 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.126 * * [simplify]: Extracting # 0 : cost  0
0.126 * * [simplify]: Extracting # 1 : cost  0
0.126 * * [simplify]: Extracting # 2 : cost  0
0.126 * * [simplify]: Extracting # 3 : cost  0
0.126 * * [simplify]: Extracting # 4 : cost  0
0.126 * * [simplify]: Extracting # 5 : cost  0
0.126 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.128 * * [simplify]: Extracting # 0 : cost  0
0.128 * * [simplify]: Extracting # 1 : cost  0
0.128 * * [simplify]: Extracting # 2 : cost  0
0.128 * * [simplify]: Extracting # 3 : cost  0
0.128 * * [simplify]: Extracting # 4 : cost  0
0.128 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.132 * * [simplify]: Extracting # 0 : cost  0
0.132 * * [simplify]: Extracting # 1 : cost  0
0.132 * * [simplify]: Extracting # 2 : cost  0
0.132 * * [simplify]: Extracting # 3 : cost  0
0.132 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.140 * * [simplify]: Extracting # 0 : cost  0
0.140 * * [simplify]: Extracting # 1 : cost  0
0.140 * * [simplify]: Extracting # 2 : cost  0
0.140 * * [simplify]: Extracting # 3 : cost  0
0.141 * * [simplify]: Extracting # 4 : cost  0
0.141 * * [simplify]: iteration  3 :  45  enodes  (cost  9 )
0.159 * * [simplify]: Extracting # 0 : cost  0
0.159 * * [simplify]: Extracting # 1 : cost  0
0.159 * * [simplify]: Extracting # 2 : cost  0
0.160 * * [simplify]: Extracting # 3 : cost  0
0.160 * * [simplify]: Extracting # 4 : cost  0
0.160 * * [simplify]: Extracting # 5 : cost  0
0.160 * * [simplify]: iteration  4 :  115  enodes  (cost  9 )
0.263 * * [simplify]: Extracting # 0 : cost  0
0.263 * * [simplify]: Extracting # 1 : cost  0
0.264 * * [simplify]: Extracting # 2 : cost  0
0.264 * * [simplify]: Extracting # 3 : cost  0
0.265 * * [simplify]: Extracting # 4 : cost  0
0.265 * * [simplify]: Extracting # 5 : cost  0
0.266 * * [simplify]: iteration  5 :  274  enodes  (cost  9 )
0.948 * * [simplify]: Extracting # 0 : cost  0
0.949 * * [simplify]: Extracting # 1 : cost  0
0.951 * * [simplify]: Extracting # 2 : cost  0
0.952 * * [simplify]: Extracting # 3 : cost  0
0.953 * * [simplify]: Extracting # 4 : cost  0
0.955 * * [simplify]: Extracting # 5 : cost  0
0.956 * * [simplify]: iteration  6 :  837  enodes  (cost  9 )
2.982 * * [simplify]: Extracting # 0 : cost  0
2.987 * * [simplify]: Extracting # 1 : cost  0
2.989 * * [simplify]: Extracting # 2 : cost  0
2.991 * * [simplify]: Extracting # 3 : cost  0
3.000 * * [simplify]: Extracting # 4 : cost  0
3.004 * * [simplify]: iteration  7 :  3217  enodes  (cost  9 )
4.258 * * [simplify]: Extracting # 0 : cost  0
4.265 * * [simplify]: Extracting # 1 : cost  0
4.274 * * [simplify]: Extracting # 2 : cost  0
4.283 * * [simplify]: Extracting # 3 : cost  0
4.291 * * [simplify]: iteration done:  5001  enodes  (cost  9 )
4.291 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
4.292 * * [progress]: iteration 1 / 4
4.292 * * * [progress]: picking best candidate
4.297 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
4.297 * * * [progress]: localizing error
4.318 * * * [progress]: generating rewritten candidates
4.318 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
4.322 * * * [progress]: generating series expansions
4.322 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
4.322 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.322 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
4.322 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.322 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.322 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.322 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.323 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.323 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.323 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.323 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.323 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.323 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.323 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.323 * [backup-simplify]: Simplify 0 into 0
4.325 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
4.325 * [backup-simplify]: Simplify 0 into 0
4.326 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.326 * [backup-simplify]: Simplify 0 into 0
4.327 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.327 * [backup-simplify]: Simplify 0 into 0
4.328 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.328 * [backup-simplify]: Simplify 0 into 0
4.329 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.329 * [backup-simplify]: Simplify 0 into 0
4.329 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.329 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.329 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
4.329 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.329 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.330 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.330 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.330 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.330 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.330 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.330 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.330 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.330 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.331 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.331 * [backup-simplify]: Simplify 0 into 0
4.332 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.332 * [backup-simplify]: Simplify 0 into 0
4.333 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.333 * [backup-simplify]: Simplify 0 into 0
4.334 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.334 * [backup-simplify]: Simplify 0 into 0
4.335 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.335 * [backup-simplify]: Simplify 0 into 0
4.336 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.336 * [backup-simplify]: Simplify 0 into 0
4.336 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
4.336 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.336 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
4.336 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.336 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.336 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.337 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.337 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.337 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.337 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.337 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.337 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.337 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.337 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.338 * [backup-simplify]: Simplify 0 into 0
4.339 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.339 * [backup-simplify]: Simplify 0 into 0
4.340 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.340 * [backup-simplify]: Simplify 0 into 0
4.341 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.341 * [backup-simplify]: Simplify 0 into 0
4.342 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.342 * [backup-simplify]: Simplify 0 into 0
4.343 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.343 * [backup-simplify]: Simplify 0 into 0
4.343 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
4.344 * * * [progress]: simplifying candidates
4.344 * [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))
4.345 * * [simplify]: Extracting # 0 : cost  0
4.345 * * [simplify]: Extracting # 1 : cost  0
4.345 * * [simplify]: Extracting # 2 : cost  0
4.345 * * [simplify]: Extracting # 3 : cost  0
4.345 * * [simplify]: Extracting # 4 : cost  0
4.345 * * [simplify]: Extracting # 5 : cost  0
4.345 * * [simplify]: Extracting # 6 : cost  0
4.345 * * [simplify]: iteration  0 :  20  enodes  (cost  106 )
4.353 * * [simplify]: Extracting # 0 : cost  0
4.353 * * [simplify]: Extracting # 1 : cost  0
4.353 * * [simplify]: Extracting # 2 : cost  0
4.353 * * [simplify]: iteration  1 :  25  enodes  (cost  92 )
4.358 * * [simplify]: Extracting # 0 : cost  0
4.358 * * [simplify]: Extracting # 1 : cost  0
4.358 * * [simplify]: Extracting # 2 : cost  0
4.358 * * [simplify]: iteration  2 :  28  enodes  (cost  90 )
4.365 * * [simplify]: Extracting # 0 : cost  0
4.365 * * [simplify]: Extracting # 1 : cost  0
4.365 * * [simplify]: Extracting # 2 : cost  0
4.365 * * [simplify]: Extracting # 3 : cost  0
4.365 * * [simplify]: iteration  3 :  32  enodes  (cost  90 )
4.370 * * [simplify]: Extracting # 0 : cost  0
4.371 * * [simplify]: Extracting # 1 : cost  0
4.371 * * [simplify]: Extracting # 2 : cost  0
4.371 * * [simplify]: Extracting # 3 : cost  0
4.371 * * [simplify]: Extracting # 4 : cost  0
4.371 * * [simplify]: iteration  4 :  38  enodes  (cost  90 )
4.375 * * [simplify]: Extracting # 0 : cost  0
4.375 * * [simplify]: Extracting # 1 : cost  0
4.375 * * [simplify]: Extracting # 2 : cost  0
4.376 * * [simplify]: Extracting # 3 : cost  0
4.376 * * [simplify]: Extracting # 4 : cost  0
4.376 * * [simplify]: iteration  5 :  48  enodes  (cost  90 )
4.387 * * [simplify]: Extracting # 0 : cost  0
4.387 * * [simplify]: Extracting # 1 : cost  0
4.388 * * [simplify]: Extracting # 2 : cost  0
4.388 * * [simplify]: Extracting # 3 : cost  0
4.388 * * [simplify]: iteration  6 :  69  enodes  (cost  90 )
4.402 * * [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  7 :  147  enodes  (cost  90 )
4.487 * * [simplify]: Extracting # 0 : cost  0
4.488 * * [simplify]: Extracting # 1 : cost  0
4.488 * * [simplify]: Extracting # 2 : cost  0
4.489 * * [simplify]: Extracting # 3 : cost  0
4.489 * * [simplify]: Extracting # 4 : cost  0
4.490 * * [simplify]: iteration  8 :  437  enodes  (cost  90 )
5.452 * * [simplify]: Extracting # 0 : cost  0
5.454 * * [simplify]: Extracting # 1 : cost  0
5.457 * * [simplify]: Extracting # 2 : cost  0
5.466 * * [simplify]: Extracting # 3 : cost  0
5.468 * * [simplify]: Extracting # 4 : cost  0
5.470 * * [simplify]: iteration  9 :  1815  enodes  (cost  90 )
6.260 * * [simplify]: Extracting # 0 : cost  0
6.265 * * [simplify]: Extracting # 1 : cost  0
6.274 * * [simplify]: Extracting # 2 : cost  0
6.280 * * [simplify]: Extracting # 3 : cost  0
6.285 * * [simplify]: iteration done:  5001  enodes  (cost  90 )
6.286 * [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))
6.286 * * * [progress]: adding candidates to table
6.331 * [progress]: [Phase 3 of 3] Extracting.
6.334 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
6.334 * * [simplify]: Extracting # 0 : cost  0
6.335 * * [simplify]: Extracting # 1 : cost  0
6.335 * * [simplify]: Extracting # 2 : cost  0
6.335 * * [simplify]: Extracting # 3 : cost  0
6.335 * * [simplify]: Extracting # 4 : cost  0
6.335 * * [simplify]: Extracting # 5 : cost  0
6.335 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
6.335 * * [simplify]: Extracting # 0 : cost  0
6.335 * * [simplify]: iteration done:  7  enodes  (cost  9 )
6.335 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
10.371 * [regime-testing]: Baseline error score: 0.09970203943882879
10.373 * [regime-testing]: Oracle error score: 0.09970203943882879
10.373 * [regime-testing]: End program error score: 0.09970203943882879