36.680 * [progress]: [Phase 1 of 3] Setting up.
0.008 * * * [progress]: [1/2] Preparing points
0.170 * * * [progress]: [2/2] Setting up program.
0.177 * [progress]: [Phase 2 of 3] Improving.
0.178 * [simplify]: Simplifying:
  (sqrt (fabs (- x y)))
0.178 * * [simplify]: Extracting # 0 : cost  0
0.178 * * [simplify]: Extracting # 1 : cost  0
0.178 * * [simplify]: Extracting # 2 : cost  0
0.178 * * [simplify]: Extracting # 3 : cost  0
0.178 * * [simplify]: Extracting # 4 : cost  0
0.178 * * [simplify]: Extracting # 5 : cost  0
0.178 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
0.180 * * [simplify]: Extracting # 0 : cost  0
0.180 * * [simplify]: Extracting # 1 : cost  0
0.180 * * [simplify]: Extracting # 2 : cost  0
0.180 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
0.186 * * [simplify]: Extracting # 0 : cost  0
0.186 * * [simplify]: iteration  2 :  8  enodes  (cost  5 )
0.188 * * [simplify]: Extracting # 0 : cost  0
0.188 * * [simplify]: iteration done:  8  enodes  (cost  5 )
0.188 * [simplify]: Simplified to:
  (sqrt (fabs (- x y)))
0.193 * * [progress]: iteration 1 / 4
0.193 * * * [progress]: picking best candidate
0.196 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (fabs (- x y))))>
0.196 * * * [progress]: localizing error
0.249 * * * [progress]: generating rewritten candidates
0.249 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.254 * * * [progress]: generating series expansions
0.254 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.270 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.270 * [approximate]: Taking taylor expansion of (sqrt (fabs (- x y))) in (x y) around 0
0.270 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in y
0.270 * [taylor]: Taking taylor expansion of (fabs (- x y)) in y
0.456 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.456 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.456 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.457 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in x
0.457 * [taylor]: Taking taylor expansion of (fabs (- x y)) in x
0.457 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.457 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.457 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.457 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in x
0.457 * [taylor]: Taking taylor expansion of (fabs (- x y)) in x
0.457 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.457 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.457 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.457 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in y
0.457 * [taylor]: Taking taylor expansion of (fabs (- x y)) in y
0.458 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.458 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.458 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.458 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.458 * [taylor]: Taking taylor expansion of 0 in y
0.458 * [backup-simplify]: Simplify 0 into 0
0.458 * [backup-simplify]: Simplify 0 into 0
0.458 * [backup-simplify]: Simplify 0 into 0
0.471 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- x y))))) into 0
0.471 * [taylor]: Taking taylor expansion of 0 in y
0.471 * [backup-simplify]: Simplify 0 into 0
0.471 * [backup-simplify]: Simplify 0 into 0
0.471 * [backup-simplify]: Simplify 0 into 0
0.472 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- x y))))) into 0
0.472 * [backup-simplify]: Simplify 0 into 0
0.473 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- x y))))) into 0
0.473 * [taylor]: Taking taylor expansion of 0 in y
0.473 * [backup-simplify]: Simplify 0 into 0
0.473 * [backup-simplify]: Simplify 0 into 0
0.473 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.473 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.473 * [approximate]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in (x y) around 0
0.473 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in y
0.474 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in y
0.474 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.474 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.474 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.474 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in x
0.474 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in x
0.474 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.474 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.475 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.475 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in x
0.475 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in x
0.475 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.475 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.475 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.476 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in y
0.476 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in y
0.476 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.476 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.476 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.476 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.477 * [taylor]: Taking taylor expansion of 0 in y
0.477 * [backup-simplify]: Simplify 0 into 0
0.477 * [backup-simplify]: Simplify 0 into 0
0.477 * [backup-simplify]: Simplify 0 into 0
0.478 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.478 * [taylor]: Taking taylor expansion of 0 in y
0.478 * [backup-simplify]: Simplify 0 into 0
0.478 * [backup-simplify]: Simplify 0 into 0
0.478 * [backup-simplify]: Simplify 0 into 0
0.479 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.479 * [backup-simplify]: Simplify 0 into 0
0.481 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.481 * [taylor]: Taking taylor expansion of 0 in y
0.481 * [backup-simplify]: Simplify 0 into 0
0.481 * [backup-simplify]: Simplify 0 into 0
0.481 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (/ 1 x)) (/ 1 (/ 1 y))))) into (sqrt (fabs (- x y)))
0.482 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (- x)) (/ 1 (- y))))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.482 * [approximate]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.482 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in y
0.482 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in y
0.482 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.482 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.482 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.482 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in x
0.482 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in x
0.482 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.483 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.483 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.483 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in x
0.483 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in x
0.483 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.483 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.483 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.484 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in y
0.484 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in y
0.484 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.484 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.484 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.485 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.485 * [taylor]: Taking taylor expansion of 0 in y
0.485 * [backup-simplify]: Simplify 0 into 0
0.485 * [backup-simplify]: Simplify 0 into 0
0.485 * [backup-simplify]: Simplify 0 into 0
0.486 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.486 * [taylor]: Taking taylor expansion of 0 in y
0.486 * [backup-simplify]: Simplify 0 into 0
0.486 * [backup-simplify]: Simplify 0 into 0
0.486 * [backup-simplify]: Simplify 0 into 0
0.487 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.487 * [backup-simplify]: Simplify 0 into 0
0.488 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.488 * [taylor]: Taking taylor expansion of 0 in y
0.488 * [backup-simplify]: Simplify 0 into 0
0.488 * [backup-simplify]: Simplify 0 into 0
0.488 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (sqrt (fabs (- x y)))
0.488 * * * [progress]: simplifying candidates
0.489 * [simplify]: Simplifying:
  (log (sqrt (fabs (- x y))))
  (exp (sqrt (fabs (- x y))))
  (* (cbrt (sqrt (fabs (- x y)))) (cbrt (sqrt (fabs (- x y)))))
  (cbrt (sqrt (fabs (- x y))))
  (* (* (sqrt (fabs (- x y))) (sqrt (fabs (- x y)))) (sqrt (fabs (- x y))))
  (sqrt (* (cbrt (fabs (- x y))) (cbrt (fabs (- x y)))))
  (sqrt (cbrt (fabs (- x y))))
  (sqrt (sqrt (fabs (- x y))))
  (sqrt (sqrt (fabs (- x y))))
  (sqrt 1)
  (sqrt (fabs (- x y)))
  (/ 1 2)
  (sqrt (sqrt (fabs (- x y))))
  (sqrt (sqrt (fabs (- x y))))
  (sqrt (fabs (- x y)))
  (sqrt (fabs (- x y)))
  (sqrt (fabs (- x y)))
0.489 * * [simplify]: Extracting # 0 : cost  0
0.489 * * [simplify]: Extracting # 1 : cost  0
0.489 * * [simplify]: Extracting # 2 : cost  0
0.490 * * [simplify]: Extracting # 3 : cost  0
0.490 * * [simplify]: Extracting # 4 : cost  0
0.490 * * [simplify]: Extracting # 5 : cost  0
0.490 * * [simplify]: Extracting # 6 : cost  0
0.490 * * [simplify]: Extracting # 7 : cost  0
0.490 * * [simplify]: iteration  0 :  20  enodes  (cost  115 )
0.498 * * [simplify]: Extracting # 0 : cost  0
0.498 * * [simplify]: Extracting # 1 : cost  0
0.498 * * [simplify]: Extracting # 2 : cost  0
0.498 * * [simplify]: iteration  1 :  27  enodes  (cost  99 )
0.525 * * [simplify]: Extracting # 0 : cost  0
0.525 * * [simplify]: Extracting # 1 : cost  0
0.525 * * [simplify]: Extracting # 2 : cost  0
0.525 * * [simplify]: Extracting # 3 : cost  0
0.525 * * [simplify]: iteration  2 :  31  enodes  (cost  96 )
0.921 * * [simplify]: Extracting # 0 : cost  0
0.921 * * [simplify]: Extracting # 1 : cost  0
0.922 * * [simplify]: Extracting # 2 : cost  0
0.922 * * [simplify]: Extracting # 3 : cost  0
0.922 * * [simplify]: iteration  3 :  35  enodes  (cost  96 )
0.962 * * [simplify]: Extracting # 0 : cost  0
0.962 * * [simplify]: Extracting # 1 : cost  0
0.963 * * [simplify]: Extracting # 2 : cost  0
0.963 * * [simplify]: Extracting # 3 : cost  0
0.963 * * [simplify]: Extracting # 4 : cost  0
0.963 * * [simplify]: iteration  4 :  43  enodes  (cost  96 )
0.993 * * [simplify]: Extracting # 0 : cost  0
0.993 * * [simplify]: Extracting # 1 : cost  0
0.993 * * [simplify]: Extracting # 2 : cost  0
0.994 * * [simplify]: Extracting # 3 : cost  0
0.994 * * [simplify]: iteration  5 :  77  enodes  (cost  96 )
1.045 * * [simplify]: Extracting # 0 : cost  0
1.045 * * [simplify]: Extracting # 1 : cost  0
1.045 * * [simplify]: Extracting # 2 : cost  0
1.045 * * [simplify]: Extracting # 3 : cost  0
1.045 * * [simplify]: iteration  6 :  147  enodes  (cost  96 )
1.120 * * [simplify]: Extracting # 0 : cost  0
1.122 * * [simplify]: Extracting # 1 : cost  0
1.122 * * [simplify]: Extracting # 2 : cost  0
1.122 * * [simplify]: Extracting # 3 : cost  0
1.123 * * [simplify]: Extracting # 4 : cost  0
1.123 * * [simplify]: iteration  7 :  334  enodes  (cost  96 )
1.906 * * [simplify]: Extracting # 0 : cost  0
1.910 * * [simplify]: Extracting # 1 : cost  0
1.911 * * [simplify]: Extracting # 2 : cost  0
1.912 * * [simplify]: Extracting # 3 : cost  0
1.915 * * [simplify]: Extracting # 4 : cost  0
1.916 * * [simplify]: iteration  8 :  1026  enodes  (cost  96 )
6.388 * * [simplify]: Extracting # 0 : cost  0
6.408 * * [simplify]: Extracting # 1 : cost  0
6.417 * * [simplify]: Extracting # 2 : cost  0
6.425 * * [simplify]: Extracting # 3 : cost  0
6.433 * * [simplify]: Extracting # 4 : cost  0
6.441 * * [simplify]: iteration done:  5000  enodes  (cost  96 )
6.441 * [simplify]: Simplified to:
  (log (sqrt (fabs (- x y))))
  (exp (sqrt (fabs (- x y))))
  (* (cbrt (sqrt (fabs (- x y)))) (cbrt (sqrt (fabs (- x y)))))
  (cbrt (sqrt (fabs (- x y))))
  (pow (sqrt (fabs (- x y))) 3)
  (fabs (cbrt (fabs (- x y))))
  (sqrt (cbrt (fabs (- x y))))
  (sqrt (sqrt (fabs (- x y))))
  (sqrt (sqrt (fabs (- x y))))
  1
  (sqrt (fabs (- x y)))
  1/2
  (sqrt (sqrt (fabs (- x y))))
  (sqrt (sqrt (fabs (- x y))))
  (sqrt (fabs (- x y)))
  (sqrt (fabs (- x y)))
  (sqrt (fabs (- x y)))
6.441 * * * [progress]: adding candidates to table
6.527 * [progress]: [Phase 3 of 3] Extracting.
6.530 * [simplify]: Simplifying:
  (sqrt (fabs (- x y)))
6.530 * * [simplify]: Extracting # 0 : cost  0
6.530 * * [simplify]: Extracting # 1 : cost  0
6.530 * * [simplify]: Extracting # 2 : cost  0
6.530 * * [simplify]: Extracting # 3 : cost  0
6.530 * * [simplify]: Extracting # 4 : cost  0
6.530 * * [simplify]: Extracting # 5 : cost  0
6.530 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
6.530 * * [simplify]: Extracting # 0 : cost  0
6.530 * * [simplify]: iteration done:  5  enodes  (cost  5 )
6.530 * [simplify]: Simplified to:
  (sqrt (fabs (- x y)))
8.531 * [regime-testing]: Baseline error score: 0.006500812601575197
8.535 * [regime-testing]: Oracle error score: 0.006500812601575197
8.548 * [regime-testing]: End program error score: 0.006500812601575197