15.643 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.147 * * * [progress]: [2/2] Setting up program.
0.152 * [progress]: [Phase 2 of 3] Improving.
0.152 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
0.152 * * [simplify]: Extracting # 0 : cost  0
0.152 * * [simplify]: Extracting # 1 : cost  0
0.152 * * [simplify]: Extracting # 2 : cost  0
0.152 * * [simplify]: Extracting # 3 : cost  0
0.152 * * [simplify]: Extracting # 4 : cost  0
0.152 * * [simplify]: Extracting # 5 : cost  0
0.152 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.154 * * [simplify]: Extracting # 0 : cost  0
0.154 * * [simplify]: Extracting # 1 : cost  0
0.154 * * [simplify]: Extracting # 2 : cost  0
0.154 * * [simplify]: Extracting # 3 : cost  0
0.154 * * [simplify]: Extracting # 4 : cost  0
0.155 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.158 * * [simplify]: Extracting # 0 : cost  0
0.158 * * [simplify]: Extracting # 1 : cost  0
0.158 * * [simplify]: Extracting # 2 : cost  0
0.158 * * [simplify]: Extracting # 3 : cost  0
0.158 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.204 * * [simplify]: Extracting # 0 : cost  0
0.204 * * [simplify]: Extracting # 1 : cost  0
0.204 * * [simplify]: Extracting # 2 : cost  0
0.204 * * [simplify]: Extracting # 3 : cost  0
0.204 * * [simplify]: Extracting # 4 : cost  0
0.204 * * [simplify]: iteration  3 :  45  enodes  (cost  9 )
0.228 * * [simplify]: Extracting # 0 : cost  0
0.229 * * [simplify]: Extracting # 1 : cost  0
0.229 * * [simplify]: Extracting # 2 : cost  0
0.229 * * [simplify]: Extracting # 3 : cost  0
0.230 * * [simplify]: Extracting # 4 : cost  0
0.230 * * [simplify]: Extracting # 5 : cost  0
0.230 * * [simplify]: iteration  4 :  115  enodes  (cost  9 )
0.287 * * [simplify]: Extracting # 0 : cost  0
0.288 * * [simplify]: Extracting # 1 : cost  0
0.288 * * [simplify]: Extracting # 2 : cost  0
0.289 * * [simplify]: Extracting # 3 : cost  0
0.289 * * [simplify]: Extracting # 4 : cost  0
0.290 * * [simplify]: iteration  5 :  268  enodes  (cost  9 )
0.569 * * [simplify]: Extracting # 0 : cost  0
0.570 * * [simplify]: Extracting # 1 : cost  0
0.571 * * [simplify]: Extracting # 2 : cost  0
0.573 * * [simplify]: Extracting # 3 : cost  0
0.574 * * [simplify]: Extracting # 4 : cost  0
0.575 * * [simplify]: iteration  6 :  834  enodes  (cost  9 )
2.578 * * [simplify]: Extracting # 0 : cost  0
2.584 * * [simplify]: Extracting # 1 : cost  0
2.586 * * [simplify]: Extracting # 2 : cost  0
2.588 * * [simplify]: Extracting # 3 : cost  0
2.589 * * [simplify]: Extracting # 4 : cost  0
2.591 * * [simplify]: iteration  7 :  3197  enodes  (cost  9 )
4.385 * * [simplify]: Extracting # 0 : cost  0
4.394 * * [simplify]: Extracting # 1 : cost  0
4.404 * * [simplify]: Extracting # 2 : cost  0
4.412 * * [simplify]: iteration done:  5001  enodes  (cost  9 )
4.412 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
4.413 * * [progress]: iteration 1 / 4
4.413 * * * [progress]: picking best candidate
4.417 * * * * [pick]: Picked  #<alt (λ (a b) (sin (pow (sqrt (atan2 b b)) (- b a))))>
4.417 * * * [progress]: localizing error
4.427 * * * [progress]: generating rewritten candidates
4.427 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
4.429 * * * [progress]: generating series expansions
4.429 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
4.429 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.429 * [approximate]: Taking taylor expansion of (sqrt (atan2 b b)) in (b) around 0
4.429 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.429 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.429 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.429 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.429 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.429 * [taylor]: Taking taylor expansion of (sqrt (atan2 b b)) in b
4.429 * [taylor]: Taking taylor expansion of (atan2 b b) in b
4.429 * [backup-simplify]: Simplify (atan2 b b) into (atan2 b b)
4.429 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.429 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 b b)))) into 0
4.429 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.429 * [backup-simplify]: Simplify 0 into 0
4.430 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 b b)))) into 0
4.430 * [backup-simplify]: Simplify 0 into 0
4.431 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.431 * [backup-simplify]: Simplify 0 into 0
4.431 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.431 * [backup-simplify]: Simplify 0 into 0
4.432 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.432 * [backup-simplify]: Simplify 0 into 0
4.433 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 b b)))) into 0
4.433 * [backup-simplify]: Simplify 0 into 0
4.433 * [backup-simplify]: Simplify (sqrt (atan2 b b)) into (sqrt (atan2 b b))
4.433 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.433 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in (b) around 0
4.433 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.433 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.433 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.433 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.433 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.433 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ 1 b) (/ 1 b))) in b
4.433 * [taylor]: Taking taylor expansion of (atan2 (/ 1 b) (/ 1 b)) in b
4.433 * [backup-simplify]: Simplify (atan2 (/ 1 b) (/ 1 b)) into (atan2 (/ 1 b) (/ 1 b))
4.433 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.433 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.433 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 b) (/ 1 b))) into (sqrt (atan2 (/ 1 b) (/ 1 b)))
4.433 * [backup-simplify]: Simplify 0 into 0
4.434 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.434 * [backup-simplify]: Simplify 0 into 0
4.434 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.435 * [backup-simplify]: Simplify 0 into 0
4.435 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.435 * [backup-simplify]: Simplify 0 into 0
4.436 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.436 * [backup-simplify]: Simplify 0 into 0
4.436 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ 1 b) (/ 1 b))))) into 0
4.436 * [backup-simplify]: Simplify 0 into 0
4.436 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (/ 1 b)) (/ 1 (/ 1 b)))) into (sqrt (atan2 b b))
4.437 * [backup-simplify]: Simplify (sqrt (atan2 (/ 1 (- b)) (/ 1 (- b)))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.437 * [approximate]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in (b) around 0
4.437 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.437 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.437 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.437 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.437 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.437 * [taylor]: Taking taylor expansion of (sqrt (atan2 (/ -1 b) (/ -1 b))) in b
4.437 * [taylor]: Taking taylor expansion of (atan2 (/ -1 b) (/ -1 b)) in b
4.437 * [backup-simplify]: Simplify (atan2 (/ -1 b) (/ -1 b)) into (atan2 (/ -1 b) (/ -1 b))
4.437 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.437 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.437 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 b) (/ -1 b))) into (sqrt (atan2 (/ -1 b) (/ -1 b)))
4.437 * [backup-simplify]: Simplify 0 into 0
4.438 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.438 * [backup-simplify]: Simplify 0 into 0
4.438 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.438 * [backup-simplify]: Simplify 0 into 0
4.439 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.439 * [backup-simplify]: Simplify 0 into 0
4.446 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.447 * [backup-simplify]: Simplify 0 into 0
4.447 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (atan2 (/ -1 b) (/ -1 b))))) into 0
4.447 * [backup-simplify]: Simplify 0 into 0
4.448 * [backup-simplify]: Simplify (sqrt (atan2 (/ -1 (/ 1 (- b))) (/ -1 (/ 1 (- b))))) into (sqrt (atan2 b b))
4.448 * * * [progress]: simplifying candidates
4.448 * [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))
4.448 * * [simplify]: Extracting # 0 : cost  0
4.448 * * [simplify]: Extracting # 1 : cost  0
4.448 * * [simplify]: Extracting # 2 : cost  0
4.448 * * [simplify]: Extracting # 3 : cost  0
4.448 * * [simplify]: Extracting # 4 : cost  0
4.448 * * [simplify]: Extracting # 5 : cost  0
4.448 * * [simplify]: Extracting # 6 : cost  0
4.448 * * [simplify]: iteration  0 :  18  enodes  (cost  96 )
4.452 * * [simplify]: Extracting # 0 : cost  0
4.452 * * [simplify]: Extracting # 1 : cost  0
4.452 * * [simplify]: Extracting # 2 : cost  0
4.452 * * [simplify]: iteration  1 :  23  enodes  (cost  82 )
4.454 * * [simplify]: Extracting # 0 : cost  0
4.454 * * [simplify]: Extracting # 1 : cost  0
4.454 * * [simplify]: Extracting # 2 : cost  0
4.454 * * [simplify]: iteration  2 :  26  enodes  (cost  80 )
4.457 * * [simplify]: Extracting # 0 : cost  0
4.458 * * [simplify]: Extracting # 1 : cost  0
4.458 * * [simplify]: Extracting # 2 : cost  0
4.458 * * [simplify]: Extracting # 3 : cost  0
4.458 * * [simplify]: Extracting # 4 : cost  0
4.458 * * [simplify]: iteration  3 :  30  enodes  (cost  80 )
4.461 * * [simplify]: Extracting # 0 : cost  0
4.461 * * [simplify]: Extracting # 1 : cost  0
4.462 * * [simplify]: Extracting # 2 : cost  0
4.462 * * [simplify]: Extracting # 3 : cost  0
4.462 * * [simplify]: Extracting # 4 : cost  0
4.462 * * [simplify]: iteration  4 :  36  enodes  (cost  80 )
4.466 * * [simplify]: Extracting # 0 : cost  0
4.466 * * [simplify]: Extracting # 1 : cost  0
4.466 * * [simplify]: Extracting # 2 : cost  0
4.466 * * [simplify]: Extracting # 3 : cost  0
4.466 * * [simplify]: Extracting # 4 : cost  0
4.466 * * [simplify]: iteration  5 :  46  enodes  (cost  80 )
4.473 * * [simplify]: Extracting # 0 : cost  0
4.473 * * [simplify]: Extracting # 1 : cost  0
4.473 * * [simplify]: Extracting # 2 : cost  0
4.473 * * [simplify]: Extracting # 3 : cost  0
4.473 * * [simplify]: iteration  6 :  67  enodes  (cost  80 )
4.488 * * [simplify]: Extracting # 0 : cost  0
4.489 * * [simplify]: Extracting # 1 : cost  0
4.489 * * [simplify]: Extracting # 2 : cost  0
4.489 * * [simplify]: Extracting # 3 : cost  0
4.489 * * [simplify]: iteration  7 :  145  enodes  (cost  80 )
4.602 * * [simplify]: Extracting # 0 : cost  0
4.603 * * [simplify]: Extracting # 1 : cost  0
4.603 * * [simplify]: Extracting # 2 : cost  0
4.603 * * [simplify]: Extracting # 3 : cost  0
4.604 * * [simplify]: Extracting # 4 : cost  0
4.604 * * [simplify]: iteration  8 :  432  enodes  (cost  80 )
5.447 * * [simplify]: Extracting # 0 : cost  0
5.449 * * [simplify]: Extracting # 1 : cost  0
5.450 * * [simplify]: Extracting # 2 : cost  0
5.451 * * [simplify]: Extracting # 3 : cost  0
5.452 * * [simplify]: Extracting # 4 : cost  0
5.453 * * [simplify]: iteration  9 :  1822  enodes  (cost  80 )
6.564 * * [simplify]: Extracting # 0 : cost  0
6.568 * * [simplify]: Extracting # 1 : cost  0
6.573 * * [simplify]: Extracting # 2 : cost  0
6.579 * * [simplify]: Extracting # 3 : cost  0
6.585 * * [simplify]: iteration done:  5000  enodes  (cost  80 )
6.585 * [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))
6.585 * * * [progress]: adding candidates to table
6.656 * [progress]: [Phase 3 of 3] Extracting.
6.661 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
6.661 * * [simplify]: Extracting # 0 : cost  0
6.661 * * [simplify]: Extracting # 1 : cost  0
6.661 * * [simplify]: Extracting # 2 : cost  0
6.661 * * [simplify]: Extracting # 3 : cost  0
6.661 * * [simplify]: Extracting # 4 : cost  0
6.661 * * [simplify]: Extracting # 5 : cost  0
6.661 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
6.662 * * [simplify]: Extracting # 0 : cost  0
6.662 * * [simplify]: iteration done:  7  enodes  (cost  9 )
6.662 * [simplify]: Simplified to:
  (sin (pow (sqrt (atan2 b b)) (- b a)))
12.256 * [regime-testing]: Baseline error score: 0.09970203943882879
12.258 * [regime-testing]: Oracle error score: 0.09970203943882879
12.258 * [regime-testing]: End program error score: 0.09970203943882879