8.295 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.022 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.028 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (sqrt (fabs (- x y))))>
0.028 * [simplify]: Simplifying:
  (sqrt (fabs (- x y)))
0.028 * * [simplify]: iteration 0: 5 enodes
0.030 * * [simplify]: iteration 1: 7 enodes
0.032 * * [simplify]: iteration 2: 8 enodes
0.034 * * [simplify]: iteration complete: 8 enodes
0.034 * * [simplify]: Extracting #0: cost 1 inf + 0
0.034 * * [simplify]: Extracting #1: cost 2 inf + 0
0.034 * * [simplify]: Extracting #2: cost 3 inf + 0
0.034 * * [simplify]: Extracting #3: cost 6 inf + 0
0.034 * * [simplify]: Extracting #4: cost 3 inf + 43
0.035 * * [simplify]: Extracting #5: cost 0 inf + 289
0.035 * [simplify]: Simplified to:
  (sqrt (fabs (- x y)))
0.036 * * [progress]: iteration 1 / 4
0.036 * * * [progress]: picking best candidate
0.040 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (fabs (- x y))))>
0.040 * * * [progress]: localizing error
0.057 * * * [progress]: generating rewritten candidates
0.057 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.060 * * * [progress]: generating series expansions
0.060 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.061 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.061 * [approximate]: Taking taylor expansion of (sqrt (fabs (- x y))) in (x y) around 0
0.061 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in y
0.061 * [taylor]: Taking taylor expansion of (fabs (- x y)) in y
0.061 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.061 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.061 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.061 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in x
0.061 * [taylor]: Taking taylor expansion of (fabs (- x y)) in x
0.061 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.061 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.062 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.062 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in x
0.062 * [taylor]: Taking taylor expansion of (fabs (- x y)) in x
0.062 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.062 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.062 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.062 * [taylor]: Taking taylor expansion of (sqrt (fabs (- x y))) in y
0.062 * [taylor]: Taking taylor expansion of (fabs (- x y)) in y
0.062 * [backup-simplify]: Simplify (fabs (- x y)) into (fabs (- x y))
0.062 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.062 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- x y))))) into 0
0.062 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.063 * [backup-simplify]: Simplify 0 into 0
0.063 * [backup-simplify]: Simplify 0 into 0
0.063 * [backup-simplify]: Simplify 0 into 0
0.064 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- x y))))) into 0
0.064 * [taylor]: Taking taylor expansion of 0 in y
0.064 * [backup-simplify]: Simplify 0 into 0
0.064 * [backup-simplify]: Simplify 0 into 0
0.064 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- x y))))) into 0
0.065 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- x y))))) into 0
0.066 * [taylor]: Taking taylor expansion of 0 in y
0.066 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify (sqrt (fabs (- x y))) into (sqrt (fabs (- x y)))
0.067 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.067 * [approximate]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in (x y) around 0
0.067 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in y
0.067 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in y
0.067 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.067 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.067 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.067 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in x
0.067 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in x
0.067 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.068 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.068 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.068 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in x
0.068 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in x
0.068 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.068 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.068 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.068 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 x) (/ 1 y)))) in y
0.068 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 x) (/ 1 y))) in y
0.069 * [backup-simplify]: Simplify (fabs (- (/ 1 x) (/ 1 y))) into (fabs (- (/ 1 x) (/ 1 y)))
0.069 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.069 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.069 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 x) (/ 1 y)))) into (sqrt (fabs (- (/ 1 x) (/ 1 y))))
0.069 * [taylor]: Taking taylor expansion of 0 in y
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.070 * [taylor]: Taking taylor expansion of 0 in y
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.071 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- (/ 1 x) (/ 1 y)))))) into 0
0.073 * [taylor]: Taking taylor expansion of 0 in y
0.073 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (/ 1 x)) (/ 1 (/ 1 y))))) into (sqrt (fabs (- x y)))
0.073 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (- x)) (/ 1 (- y))))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.073 * [approximate]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.073 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in y
0.073 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in y
0.073 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.074 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.074 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.074 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in x
0.074 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in x
0.074 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.074 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.074 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.074 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in x
0.074 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in x
0.075 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.075 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.075 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.075 * [taylor]: Taking taylor expansion of (sqrt (fabs (- (/ 1 y) (/ 1 x)))) in y
0.075 * [taylor]: Taking taylor expansion of (fabs (- (/ 1 y) (/ 1 x))) in y
0.075 * [backup-simplify]: Simplify (fabs (- (/ 1 y) (/ 1 x))) into (fabs (- (/ 1 y) (/ 1 x)))
0.075 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.075 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.076 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 y) (/ 1 x)))) into (sqrt (fabs (- (/ 1 y) (/ 1 x))))
0.076 * [taylor]: Taking taylor expansion of 0 in y
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.077 * [taylor]: Taking taylor expansion of 0 in y
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.078 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (fabs (- (/ 1 y) (/ 1 x)))))) into 0
0.079 * [taylor]: Taking taylor expansion of 0 in y
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify (sqrt (fabs (- (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (sqrt (fabs (- x y)))
0.079 * * * [progress]: simplifying candidates
0.079 * * * * [progress]: [ 1 / 19 ] simplifiying candidate #<alt (λ (x y) (log1p (expm1 (sqrt (fabs (- x y))))))>
0.079 * * * * [progress]: [ 2 / 19 ] simplifiying candidate #<alt (λ (x y) (expm1 (log1p (sqrt (fabs (- x y))))))>
0.079 * * * * [progress]: [ 3 / 19 ] simplifiying candidate #<alt (λ (x y) (pow (fabs (- x y)) 1/2))>
0.079 * * * * [progress]: [ 4 / 19 ] simplifiying candidate #<alt (λ (x y) (pow (sqrt (fabs (- x y))) 1))>
0.080 * * * * [progress]: [ 5 / 19 ] simplifiying candidate #<alt (λ (x y) (exp (log (sqrt (fabs (- x y))))))>
0.080 * * * * [progress]: [ 6 / 19 ] simplifiying candidate #<alt (λ (x y) (log (exp (sqrt (fabs (- x y))))))>
0.080 * * * * [progress]: [ 7 / 19 ] simplifiying candidate #<alt (λ (x y) (* (* (cbrt (sqrt (fabs (- x y)))) (cbrt (sqrt (fabs (- x y))))) (cbrt (sqrt (fabs (- x y))))))>
0.080 * * * * [progress]: [ 8 / 19 ] simplifiying candidate #<alt (λ (x y) (cbrt (* (* (sqrt (fabs (- x y))) (sqrt (fabs (- x y)))) (sqrt (fabs (- x y))))))>
0.080 * * * * [progress]: [ 9 / 19 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (* (cbrt (fabs (- x y))) (cbrt (fabs (- x y))))) (sqrt (cbrt (fabs (- x y))))))>
0.080 * * * * [progress]: [ 10 / 19 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (sqrt (fabs (- x y)))) (sqrt (sqrt (fabs (- x y))))))>
0.080 * * * * [progress]: [ 11 / 19 ] simplifiying candidate #<alt (λ (x y) (* (sqrt 1) (sqrt (fabs (- x y)))))>
0.080 * * * * [progress]: [ 12 / 19 ] simplifiying candidate #<alt (λ (x y) (pow (fabs (- x y)) (/ 1 2)))>
0.080 * * * * [progress]: [ 13 / 19 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (sqrt (fabs (- x y)))) (sqrt (sqrt (fabs (- x y))))))>
0.080 * * * * [progress]: [ 14 / 19 ] simplifiying candidate #<alt (λ (x y) (fabs (sqrt (fabs (- x y)))))>
0.080 * * * * [progress]: [ 15 / 19 ] simplifiying candidate #<alt (λ (x y) (* 1 (sqrt (fabs (- x y)))))>
0.080 * * * * [progress]: [ 16 / 19 ] simplifiying candidate #<alt (λ (x y) (posit16->real (real->posit16 (sqrt (fabs (- x y))))))>
0.080 * * * * [progress]: [ 17 / 19 ] simplifiying candidate #<alt (λ (x y) (sqrt (fabs (- x y))))>
0.080 * * * * [progress]: [ 18 / 19 ] simplifiying candidate #<alt (λ (x y) (sqrt (fabs (- x y))))>
0.080 * * * * [progress]: [ 19 / 19 ] simplifiying candidate #<alt (λ (x y) (sqrt (fabs (- x y))))>
0.081 * [simplify]: Simplifying:
  (expm1 (sqrt (fabs (- x y))))
  (log1p (sqrt (fabs (- x y))))
  (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))))
  (real->posit16 (sqrt (fabs (- x y))))
  (sqrt (fabs (- x y)))
  (sqrt (fabs (- x y)))
  (sqrt (fabs (- x y)))
0.081 * * [simplify]: iteration 0: 23 enodes
0.090 * * [simplify]: iteration 1: 30 enodes
0.098 * * [simplify]: iteration 2: 34 enodes
0.109 * * [simplify]: iteration 3: 38 enodes
0.121 * * [simplify]: iteration 4: 46 enodes
0.136 * * [simplify]: iteration 5: 65 enodes
0.166 * * [simplify]: iteration 6: 99 enodes
0.196 * * [simplify]: iteration 7: 170 enodes
0.239 * * [simplify]: iteration 8: 394 enodes
0.899 * * [simplify]: iteration 9: 1289 enodes
2.077 * * [simplify]: iteration complete: 5000 enodes
2.077 * * [simplify]: Extracting #0: cost 14 inf + 0
2.077 * * [simplify]: Extracting #1: cost 289 inf + 2
2.085 * * [simplify]: Extracting #2: cost 1423 inf + 5
2.090 * * [simplify]: Extracting #3: cost 1505 inf + 184
2.096 * * [simplify]: Extracting #4: cost 1534 inf + 1149
2.104 * * [simplify]: Extracting #5: cost 1395 inf + 35893
2.149 * * [simplify]: Extracting #6: cost 816 inf + 560267
2.282 * * [simplify]: Extracting #7: cost 94 inf + 1313735
2.477 * * [simplify]: Extracting #8: cost 0 inf + 1405345
2.705 * * [simplify]: Extracting #9: cost 0 inf + 1405135
2.916 * [simplify]: Simplified to:
  (expm1 (sqrt (fabs (- x y))))
  (log1p (sqrt (fabs (- x y))))
  (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))))
  (* (fabs (- x y)) (sqrt (fabs (- x y))))
  (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))))
  (real->posit16 (sqrt (fabs (- x y))))
  (sqrt (fabs (- x y)))
  (sqrt (fabs (- x y)))
  (sqrt (fabs (- x y)))
2.917 * * * [progress]: adding candidates to table
3.010 * [progress]: [Phase 3 of 3] Extracting.
3.014 * [simplify]: Simplifying:
  (sqrt (fabs (- x y)))
3.015 * * [simplify]: iteration 0: 5 enodes
3.015 * * [simplify]: iteration complete: 5 enodes
3.015 * * [simplify]: Extracting #0: cost 1 inf + 0
3.015 * * [simplify]: Extracting #1: cost 2 inf + 0
3.015 * * [simplify]: Extracting #2: cost 3 inf + 0
3.015 * * [simplify]: Extracting #3: cost 5 inf + 0
3.015 * * [simplify]: Extracting #4: cost 3 inf + 2
3.015 * * [simplify]: Extracting #5: cost 0 inf + 248
3.016 * [simplify]: Simplified to:
  (sqrt (fabs (- x y)))
3.880 * [regime-testing]: Baseline error score: 0.006250781347668459
3.885 * [regime-testing]: Oracle error score: 0.006250781347668459
3.885 * [regime-testing]: End program error score: 0.006250781347668459