0.686 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.256 * * * [progress]: [2/2] Setting up program.
0.260 * [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
0.264 * * [simplify]: Extracting # 1 : cost  0
0.264 * * [simplify]: Extracting # 2 : cost  0
0.264 * * [simplify]: Extracting # 3 : cost  0
0.264 * * [simplify]: Extracting # 4 : cost  0
0.264 * * [simplify]: Extracting # 5 : cost  0
0.265 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.271 * * [simplify]: Extracting # 0 : cost  0
0.271 * * [simplify]: Extracting # 1 : cost  0
0.271 * * [simplify]: Extracting # 2 : cost  0
0.271 * * [simplify]: Extracting # 3 : cost  0
0.271 * * [simplify]: Extracting # 4 : cost  0
0.271 * * [simplify]: iteration  1 :  13  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
0.274 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.279 * * [simplify]: Extracting # 0 : cost  0
0.279 * * [simplify]: Extracting # 1 : cost  0
0.279 * * [simplify]: Extracting # 2 : cost  0
0.279 * * [simplify]: Extracting # 3 : cost  0
0.279 * * [simplify]: Extracting # 4 : cost  0
0.279 * * [simplify]: iteration  3 :  45  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]: Extracting # 5 : cost  0
0.290 * * [simplify]: iteration  4 :  115  enodes  (cost  9 )
0.350 * * [simplify]: Extracting # 0 : cost  0
0.350 * * [simplify]: Extracting # 1 : cost  0
0.350 * * [simplify]: Extracting # 2 : cost  0
0.350 * * [simplify]: Extracting # 3 : cost  0
0.351 * * [simplify]: Extracting # 4 : cost  0
0.351 * * [simplify]: Extracting # 5 : cost  0
0.351 * * [simplify]: iteration  5 :  274  enodes  (cost  9 )
0.856 * * [simplify]: Extracting # 0 : cost  0
0.857 * * [simplify]: Extracting # 1 : cost  0
0.859 * * [simplify]: Extracting # 2 : cost  0
0.860 * * [simplify]: Extracting # 3 : cost  0
0.862 * * [simplify]: Extracting # 4 : cost  0
0.863 * * [simplify]: Extracting # 5 : cost  0
0.864 * * [simplify]: iteration  6 :  837  enodes  (cost  9 )
2.786 * * [simplify]: Extracting # 0 : cost  0
2.789 * * [simplify]: Extracting # 1 : cost  0
2.791 * * [simplify]: Extracting # 2 : cost  0
2.795 * * [simplify]: Extracting # 3 : cost  0
2.799 * * [simplify]: Extracting # 4 : cost  0
2.803 * * [simplify]: iteration  7 :  3217  enodes  (cost  9 )
4.238 * * [simplify]: Extracting # 0 : cost  0
4.243 * * [simplify]: Extracting # 1 : cost  0
4.255 * * [simplify]: Extracting # 2 : cost  0
4.263 * * [simplify]: Extracting # 3 : cost  0
4.271 * * [simplify]: iteration done:  5001  enodes  (cost  9 )
4.271 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
4.274 * * [progress]: iteration 1 / 4
4.274 * * * [progress]: picking best candidate
4.279 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
4.279 * * * [progress]: localizing error
4.301 * * * [progress]: generating rewritten candidates
4.302 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
4.310 * * * [progress]: generating series expansions
4.310 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
4.314 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.314 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
4.315 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.315 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.317 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.317 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.317 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.318 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.318 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.318 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.318 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.318 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.318 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.318 * [backup-simplify]: Simplify 0 into 0
4.319 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
4.319 * [backup-simplify]: Simplify 0 into 0
4.320 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.320 * [backup-simplify]: Simplify 0 into 0
4.321 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.321 * [backup-simplify]: Simplify 0 into 0
4.321 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.321 * [backup-simplify]: Simplify 0 into 0
4.322 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.322 * [backup-simplify]: Simplify 0 into 0
4.322 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.322 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.322 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
4.322 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.322 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.322 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.322 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.322 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.322 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.322 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.323 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.323 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.323 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.323 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.323 * [backup-simplify]: Simplify 0 into 0
4.323 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.323 * [backup-simplify]: Simplify 0 into 0
4.324 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.324 * [backup-simplify]: Simplify 0 into 0
4.325 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.325 * [backup-simplify]: Simplify 0 into 0
4.325 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.325 * [backup-simplify]: Simplify 0 into 0
4.326 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.326 * [backup-simplify]: Simplify 0 into 0
4.326 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
4.327 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.327 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
4.327 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.327 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.327 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.327 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.327 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.327 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.327 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.327 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.327 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.327 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.328 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.328 * [backup-simplify]: Simplify 0 into 0
4.328 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.328 * [backup-simplify]: Simplify 0 into 0
4.329 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.329 * [backup-simplify]: Simplify 0 into 0
4.330 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.330 * [backup-simplify]: Simplify 0 into 0
4.330 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.330 * [backup-simplify]: Simplify 0 into 0
4.331 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.331 * [backup-simplify]: Simplify 0 into 0
4.331 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
4.331 * * * [progress]: simplifying candidates
4.332 * [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))
4.332 * * [simplify]: Extracting # 0 : cost  0
4.332 * * [simplify]: Extracting # 1 : cost  0
4.332 * * [simplify]: Extracting # 2 : cost  0
4.332 * * [simplify]: Extracting # 3 : cost  0
4.332 * * [simplify]: Extracting # 4 : cost  0
4.332 * * [simplify]: Extracting # 5 : cost  0
4.332 * * [simplify]: Extracting # 6 : cost  0
4.332 * * [simplify]: iteration  0 :  20  enodes  (cost  106 )
4.336 * * [simplify]: Extracting # 0 : cost  0
4.336 * * [simplify]: Extracting # 1 : cost  0
4.336 * * [simplify]: Extracting # 2 : cost  0
4.336 * * [simplify]: iteration  1 :  25  enodes  (cost  92 )
4.339 * * [simplify]: Extracting # 0 : cost  0
4.339 * * [simplify]: Extracting # 1 : cost  0
4.339 * * [simplify]: Extracting # 2 : cost  0
4.339 * * [simplify]: iteration  2 :  28  enodes  (cost  90 )
4.342 * * [simplify]: Extracting # 0 : cost  0
4.342 * * [simplify]: Extracting # 1 : cost  0
4.342 * * [simplify]: Extracting # 2 : cost  0
4.343 * * [simplify]: Extracting # 3 : cost  0
4.343 * * [simplify]: iteration  3 :  32  enodes  (cost  90 )
4.347 * * [simplify]: Extracting # 0 : cost  0
4.347 * * [simplify]: Extracting # 1 : cost  0
4.347 * * [simplify]: Extracting # 2 : cost  0
4.347 * * [simplify]: Extracting # 3 : cost  0
4.347 * * [simplify]: Extracting # 4 : cost  0
4.347 * * [simplify]: iteration  4 :  38  enodes  (cost  90 )
4.352 * * [simplify]: Extracting # 0 : cost  0
4.352 * * [simplify]: Extracting # 1 : cost  0
4.352 * * [simplify]: Extracting # 2 : cost  0
4.352 * * [simplify]: Extracting # 3 : cost  0
4.352 * * [simplify]: Extracting # 4 : cost  0
4.352 * * [simplify]: iteration  5 :  48  enodes  (cost  90 )
4.367 * * [simplify]: Extracting # 0 : cost  0
4.367 * * [simplify]: Extracting # 1 : cost  0
4.367 * * [simplify]: Extracting # 2 : cost  0
4.368 * * [simplify]: Extracting # 3 : cost  0
4.368 * * [simplify]: iteration  6 :  69  enodes  (cost  90 )
4.390 * * [simplify]: Extracting # 0 : cost  0
4.390 * * [simplify]: Extracting # 1 : cost  0
4.390 * * [simplify]: Extracting # 2 : cost  0
4.390 * * [simplify]: Extracting # 3 : cost  0
4.390 * * [simplify]: iteration  7 :  147  enodes  (cost  90 )
4.484 * * [simplify]: Extracting # 0 : cost  0
4.484 * * [simplify]: Extracting # 1 : cost  0
4.485 * * [simplify]: Extracting # 2 : cost  0
4.485 * * [simplify]: Extracting # 3 : cost  0
4.485 * * [simplify]: Extracting # 4 : cost  0
4.486 * * [simplify]: iteration  8 :  437  enodes  (cost  90 )
5.332 * * [simplify]: Extracting # 0 : cost  0
5.333 * * [simplify]: Extracting # 1 : cost  0
5.334 * * [simplify]: Extracting # 2 : cost  0
5.341 * * [simplify]: Extracting # 3 : cost  0
5.343 * * [simplify]: Extracting # 4 : cost  0
5.345 * * [simplify]: iteration  9 :  1815  enodes  (cost  90 )
6.490 * * [simplify]: Extracting # 0 : cost  0
6.499 * * [simplify]: Extracting # 1 : cost  0
6.515 * * [simplify]: Extracting # 2 : cost  0
6.525 * * [simplify]: Extracting # 3 : cost  0
6.536 * * [simplify]: iteration done:  5001  enodes  (cost  90 )
6.536 * [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))
6.536 * * * [progress]: adding candidates to table
6.617 * [progress]: [Phase 3 of 3] Extracting.
6.620 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
6.620 * * [simplify]: Extracting # 0 : cost  0
6.620 * * [simplify]: Extracting # 1 : cost  0
6.620 * * [simplify]: Extracting # 2 : cost  0
6.620 * * [simplify]: Extracting # 3 : cost  0
6.620 * * [simplify]: Extracting # 4 : cost  0
6.620 * * [simplify]: Extracting # 5 : cost  0
6.620 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
6.621 * * [simplify]: Extracting # 0 : cost  0
6.621 * * [simplify]: iteration done:  7  enodes  (cost  9 )
6.621 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
12.392 * [regime-testing]: Baseline error score: 0.09970203943882879
12.397 * [regime-testing]: Oracle error score: 0.09970203943882879
12.398 * [regime-testing]: End program error score: 0.09970203943882879