0.002 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.002 * * * * [points]: Sampling 256 additional inputs, on iter 0 have 0 / 256
0.003 * * * * [points]: Computing exacts on every 16 of 256 points to ramp up precision
0.005 * * * * [points]: Setting MPFR precision to 64
0.006 * * * * [points]: Setting MPFR precision to 320
0.007 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision
0.009 * * * * [points]: Setting MPFR precision to 64
0.011 * * * * [points]: Setting MPFR precision to 320
0.013 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision
0.015 * * * * [points]: Setting MPFR precision to 64
0.018 * * * * [points]: Setting MPFR precision to 320
0.022 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision
0.024 * * * * [points]: Setting MPFR precision to 64
0.027 * * * * [points]: Setting MPFR precision to 320
0.031 * * * * [points]: Computing exacts for 256 points
0.032 * * * * [points]: Setting MPFR precision to 64
0.049 * * * * [points]: Setting MPFR precision to 320
0.060 * * * * [points]: Filtering points with unrepresentable outputs
0.060 * * * * [points]: Sampled 256 points with exact outputs
0.060 * * * [progress]: [2/2] Setting up program.
0.070 * [progress]: [Phase 2 of 3] Improving.
0.070 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x) (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)))>
0.070 * [simplify]: Simplifying:
  (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))
0.070 * * [simplify]: iteration 1: (7 enodes)
0.072 * * [simplify]: iteration 2: (20 enodes)
0.076 * * [simplify]: iteration 3: (32 enodes)
0.081 * * [simplify]: iteration 4: (92 enodes)
0.103 * * [simplify]: iteration 5: (324 enodes)
0.270 * * [simplify]: iteration 6: (1637 enodes)
8.768 * * [simplify]: Extracting #0: cost 1 inf + 0
8.768 * * [simplify]: Extracting #1: cost 140 inf + 0
8.773 * * [simplify]: Extracting #2: cost 2100 inf + 0
8.807 * * [simplify]: Extracting #3: cost 4249 inf + 14194
8.876 * * [simplify]: Extracting #4: cost 3963 inf + 522537
9.029 * * [simplify]: Extracting #5: cost 2983 inf + 1573888
9.320 * * [simplify]: Extracting #6: cost 1287 inf + 3592365
9.739 * * [simplify]: Extracting #7: cost 30 inf + 5116104
10.295 * * [simplify]: Extracting #8: cost 0 inf + 5138602
10.855 * [simplify]: Simplified to:
  (-.p16 (sqrt.p16 (+.p16 (real->posit16 1) x)) (sqrt.p16 x))
10.864 * * [progress]: iteration 1 / 4
10.864 * * * [progress]: picking best candidate
10.872 * * * * [pick]: Picked  #<alt (λ (x) (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)))>
10.873 * * * [progress]: localizing error
11.011 * * * [progress]: generating rewritten candidates
11.011 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
11.015 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
11.015 * * * [progress]: generating series expansions
11.015 * * * * [progress]: [ 1 / 2 ] generating series at (2)
11.015 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
11.015 * * * [progress]: simplifying candidates
11.015 * * * * [progress]: [ 1 / 4 ] simplifiying candidate #<alt (λ (x) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (neg.p16 (sqrt.p16 x))))>
11.015 * * * * [progress]: [ 2 / 4 ] simplifiying candidate #<alt (λ (x) (/.p16 (-.p16 (*.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 (+.p16 x (real->posit16 1)))) (*.p16 (sqrt.p16 x) (sqrt.p16 x))) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))>
11.015 * * * * [progress]: [ 3 / 4 ] simplifiying candidate #<alt (λ (x) (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)))>
11.015 * * * * [progress]: [ 4 / 4 ] simplifiying candidate #<alt (λ (x) (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)))>
11.016 * [simplify]: Simplifying:
  (neg.p16 (sqrt.p16 x))
  (-.p16 (*.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 (+.p16 x (real->posit16 1)))) (*.p16 (sqrt.p16 x) (sqrt.p16 x)))
  (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))
  (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))
  (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))
11.016 * * [simplify]: iteration 1: (12 enodes)
11.022 * * [simplify]: iteration 2: (29 enodes)
11.032 * * [simplify]: iteration 3: (85 enodes)
11.072 * * [simplify]: iteration 4: (317 enodes)
11.269 * * [simplify]: iteration 5: (1623 enodes)
22.334 * * [simplify]: Extracting #0: cost 4 inf + 0
22.336 * * [simplify]: Extracting #1: cost 333 inf + 0
22.355 * * [simplify]: Extracting #2: cost 2115 inf + 1059
22.381 * * [simplify]: Extracting #3: cost 3633 inf + 218890
22.573 * * [simplify]: Extracting #4: cost 2014 inf + 2428823
23.056 * * [simplify]: Extracting #5: cost 103 inf + 4779855
23.680 * * [simplify]: Extracting #6: cost 3 inf + 4862032
24.330 * * [simplify]: Extracting #7: cost 0 inf + 4868118
24.928 * [simplify]: Simplified to:
  (neg.p16 (sqrt.p16 x))
  (real->posit16 1)
  (+.p16 (sqrt.p16 x) (sqrt.p16 (+.p16 x (real->posit16 1))))
  (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))
  (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))
24.928 * * * [progress]: adding candidates to table
24.995 * * [progress]: iteration 2 / 4
24.995 * * * [progress]: picking best candidate
25.003 * * * * [pick]: Picked  #<alt (λ (x) (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))>
25.003 * * * [progress]: localizing error
25.101 * * * [progress]: generating rewritten candidates
25.101 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
25.103 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
25.106 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 1)
25.106 * * * [progress]: generating series expansions
25.106 * * * * [progress]: [ 1 / 3 ] generating series at (2)
25.106 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
25.106 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 1)
25.107 * * * [progress]: simplifying candidates
25.107 * * * * [progress]: [ 1 / 4 ] simplifiying candidate #<alt (λ (x) (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 x) (sqrt.p16 (+.p16 x (real->posit16 1))))))>
25.107 * * * * [progress]: [ 2 / 4 ] simplifiying candidate #<alt (λ (x) (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))>
25.107 * * * * [progress]: [ 3 / 4 ] simplifiying candidate #<alt (λ (x) (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))>
25.107 * * * * [progress]: [ 4 / 4 ] simplifiying candidate #<alt (λ (x) (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))>
25.107 * [simplify]: Simplifying:
  (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)))
  (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)))
  (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)))
25.107 * * [simplify]: iteration 1: (8 enodes)
25.111 * * [simplify]: iteration 2: (15 enodes)
25.116 * * [simplify]: iteration 3: (17 enodes)
25.121 * * [simplify]: Extracting #0: cost 1 inf + 0
25.121 * * [simplify]: Extracting #1: cost 3 inf + 0
25.121 * * [simplify]: Extracting #2: cost 6 inf + 0
25.121 * * [simplify]: Extracting #3: cost 7 inf + 1
25.121 * * [simplify]: Extracting #4: cost 0 inf + 932
25.121 * [simplify]: Simplified to:
  (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 (real->posit16 1) x)) (sqrt.p16 x)))
  (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 (real->posit16 1) x)) (sqrt.p16 x)))
  (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 (real->posit16 1) x)) (sqrt.p16 x)))
25.122 * * * [progress]: adding candidates to table
25.198 * [progress]: [Phase 3 of 3] Extracting.
25.198 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)))> #<alt (λ (x) (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))>)
25.199 * * * [regime-changes]: Trying 1 branch expressions: (x)
25.199 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)))> #<alt (λ (x) (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))>)
25.278 * * * [regime]: Found split indices: #<option (#s(si 1 256))>
25.278 * [simplify]: Simplifying:
  (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)))
25.278 * * [simplify]: iteration 1: (8 enodes)
25.280 * * [simplify]: iteration 2: (10 enodes)
25.281 * * [simplify]: Extracting #0: cost 1 inf + 0
25.281 * * [simplify]: Extracting #1: cost 3 inf + 0
25.281 * * [simplify]: Extracting #2: cost 6 inf + 0
25.281 * * [simplify]: Extracting #3: cost 7 inf + 1
25.281 * * [simplify]: Extracting #4: cost 0 inf + 932
25.281 * [simplify]: Simplified to:
  (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)))
25.281 * * * * [points]: Sampling 8000 additional inputs, on iter 0 have 0 / 8000
25.303 * * * * [points]: Computing exacts on every 500 of 8000 points to ramp up precision
25.305 * * * * [points]: Setting MPFR precision to 64
25.306 * * * * [points]: Setting MPFR precision to 320
25.307 * * * * [points]: Computing exacts on every 250 of 8000 points to ramp up precision
25.310 * * * * [points]: Setting MPFR precision to 64
25.312 * * * * [points]: Setting MPFR precision to 320
25.315 * * * * [points]: Computing exacts on every 125 of 8000 points to ramp up precision
25.318 * * * * [points]: Setting MPFR precision to 64
25.323 * * * * [points]: Setting MPFR precision to 320
25.327 * * * * [points]: Computing exacts on every 62 of 8000 points to ramp up precision
25.330 * * * * [points]: Setting MPFR precision to 64
25.339 * * * * [points]: Setting MPFR precision to 320
25.348 * * * * [points]: Computing exacts on every 31 of 8000 points to ramp up precision
25.350 * * * * [points]: Setting MPFR precision to 64
25.383 * * * * [points]: Setting MPFR precision to 320
25.396 * * * * [points]: Computing exacts on every 15 of 8000 points to ramp up precision
25.397 * * * * [points]: Setting MPFR precision to 64
25.418 * * * * [points]: Setting MPFR precision to 320
25.440 * * * * [points]: Computing exacts on every 7 of 8000 points to ramp up precision
25.442 * * * * [points]: Setting MPFR precision to 64
25.500 * * * * [points]: Setting MPFR precision to 320
25.603 * * * * [points]: Computing exacts on every 3 of 8000 points to ramp up precision
25.605 * * * * [points]: Setting MPFR precision to 64
25.745 * * * * [points]: Setting MPFR precision to 320
25.923 * * * * [points]: Computing exacts for 8000 points
25.926 * * * * [points]: Setting MPFR precision to 64
26.613 * * * * [points]: Setting MPFR precision to 320
27.191 * * * * [points]: Filtering points with unrepresentable outputs
27.217 * * * * [points]: Sampled 8000 points with exact outputs
29.146 * [regime-testing]: Baseline error score: 0.17678101562950713
29.151 * [regime-testing]: Oracle error score: 0.12035620312590145
29.159 * [regime-testing]: End program error score: 0.17678101562950713