42.166 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.003 * * * * [points]: Sampling 256 additional inputs, on iter 0 have 0 / 256
0.004 * * * * [points]: Computing exacts on every 16 of 256 points to ramp up precision
0.006 * * * * [points]: Setting MPFR precision to 64
0.007 * * * * [points]: Setting MPFR precision to 320
0.009 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision
0.010 * * * * [points]: Setting MPFR precision to 64
0.012 * * * * [points]: Setting MPFR precision to 320
0.015 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision
0.016 * * * * [points]: Setting MPFR precision to 64
0.019 * * * * [points]: Setting MPFR precision to 320
0.021 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision
0.022 * * * * [points]: Setting MPFR precision to 64
0.026 * * * * [points]: Setting MPFR precision to 320
0.031 * * * * [points]: Computing exacts for 256 points
0.032 * * * * [points]: Setting MPFR precision to 64
0.044 * * * * [points]: Setting MPFR precision to 320
0.061 * * * * [points]: Filtering points with unrepresentable outputs
0.062 * * * * [points]: Sampled 256 points with exact outputs
0.062 * * * [progress]: [2/2] Setting up program.
0.070 * [progress]: [Phase 2 of 3] Improving.
0.070 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))))>
0.070 * [simplify]: Simplifying:
  (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im)))
0.070 * * [simplify]: iteration 1: (6 enodes)
0.072 * * [simplify]: iteration 2: (7 enodes)
0.074 * * [simplify]: Extracting #0: cost 1 inf + 0
0.075 * * [simplify]: Extracting #1: cost 2 inf + 0
0.075 * * [simplify]: Extracting #2: cost 4 inf + 0
0.075 * * [simplify]: Extracting #3: cost 6 inf + 0
0.075 * * [simplify]: Extracting #4: cost 3 inf + 323
0.075 * * [simplify]: Extracting #5: cost 0 inf + 2048
0.075 * [simplify]: Simplified to:
  (sqrt.p16 (+.p16 (*.p16 im im) (*.p16 re re)))
0.083 * * [progress]: iteration 1 / 4
0.083 * * * [progress]: picking best candidate
0.090 * * * * [pick]: Picked  #<alt (λ (re im) (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))))>
0.090 * * * [progress]: localizing error
0.219 * * * [progress]: generating rewritten candidates
0.219 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.220 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.227 * * * [progress]: generating series expansions
0.227 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.227 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.227 * * * [progress]: simplifying candidates
0.228 * * * * [progress]: [ 1 / 27 ] simplifiying candidate #<alt (λ (re im) (*.p16 (real->posit16 1.0) (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im)))))>
0.228 * * * * [progress]: [ 2 / 27 ] simplifiying candidate #<alt (λ (re im) (quire16->posit16 (posit16->quire16 (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))))))>
0.228 * * * * [progress]: [ 3 / 27 ] simplifiying candidate #<alt (λ (re im) (+.p16 (real->posit16 0.0) (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im)))))>
0.228 * * * * [progress]: [ 4 / 27 ] simplifiying candidate #<alt (λ (re im) (+.p16 (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))) (real->posit16 0.0)))>
0.228 * * * * [progress]: [ 5 / 27 ] simplifiying candidate #<alt (λ (re im) (-.p16 (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))) (real->posit16 0.0)))>
0.228 * * * * [progress]: [ 6 / 27 ] simplifiying candidate #<alt (λ (re im) (*.p16 (real->posit16 1.0) (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im)))))>
0.228 * * * * [progress]: [ 7 / 27 ] simplifiying candidate #<alt (λ (re im) (*.p16 (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))) (real->posit16 1.0)))>
0.228 * * * * [progress]: [ 8 / 27 ] simplifiying candidate #<alt (λ (re im) (/.p16 (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))) (real->posit16 1.0)))>
0.228 * * * * [progress]: [ 9 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (+.p16 (+.p16 (*.p16 re re) (real->posit16 0.0)) (*.p16 im im))))>
0.228 * * * * [progress]: [ 10 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (+.p16 (+.p16 (*.p16 re re) (*.p16 im im)) (real->posit16 0.0))))>
0.228 * * * * [progress]: [ 11 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (+.p16 (real->posit16 0.0) (+.p16 (*.p16 re re) (*.p16 im im)))))>
0.228 * * * * [progress]: [ 12 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (+.p16 (*.p16 re re) (+.p16 (real->posit16 0.0) (*.p16 im im)))))>
0.228 * * * * [progress]: [ 13 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (-.p16 (+.p16 (*.p16 re re) (*.p16 im im)) (real->posit16 0.0))))>
0.228 * * * * [progress]: [ 14 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (-.p16 (*.p16 re re) (-.p16 (real->posit16 0.0) (*.p16 im im)))))>
0.228 * * * * [progress]: [ 15 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (*.p16 (real->posit16 1.0) (+.p16 (*.p16 re re) (*.p16 im im)))))>
0.228 * * * * [progress]: [ 16 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (quire16->posit16 (posit16->quire16 (+.p16 (*.p16 re re) (*.p16 im im))))))>
0.228 * * * * [progress]: [ 17 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) (*.p16 im im) (real->posit16 1.0)))))>
0.228 * * * * [progress]: [ 18 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))))>
0.228 * * * * [progress]: [ 19 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (+.p16 (real->posit16 0.0) (+.p16 (*.p16 re re) (*.p16 im im)))))>
0.228 * * * * [progress]: [ 20 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (+.p16 (+.p16 (*.p16 re re) (*.p16 im im)) (real->posit16 0.0))))>
0.228 * * * * [progress]: [ 21 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (-.p16 (+.p16 (*.p16 re re) (*.p16 im im)) (real->posit16 0.0))))>
0.228 * * * * [progress]: [ 22 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (*.p16 (real->posit16 1.0) (+.p16 (*.p16 re re) (*.p16 im im)))))>
0.228 * * * * [progress]: [ 23 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (*.p16 (+.p16 (*.p16 re re) (*.p16 im im)) (real->posit16 1.0))))>
0.228 * * * * [progress]: [ 24 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (/.p16 (+.p16 (*.p16 re re) (*.p16 im im)) (real->posit16 1.0))))>
0.228 * * * * [progress]: [ 25 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (+.p16 (*.p16 im im) (*.p16 re re))))>
0.229 * * * * [progress]: [ 26 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))))>
0.229 * * * * [progress]: [ 27 / 27 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))))>
0.229 * [simplify]: Simplifying:
  (real->posit16 1.0)
  (posit16->quire16 (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))))
  (real->posit16 0.0)
  (real->posit16 0.0)
  (real->posit16 0.0)
  (real->posit16 1.0)
  (real->posit16 1.0)
  (real->posit16 1.0)
  (+.p16 (*.p16 re re) (real->posit16 0.0))
  (+.p16 (*.p16 re re) (*.p16 im im))
  (+.p16 (*.p16 re re) (*.p16 im im))
  (+.p16 (real->posit16 0.0) (*.p16 im im))
  (+.p16 (*.p16 re re) (*.p16 im im))
  (-.p16 (real->posit16 0.0) (*.p16 im im))
  (real->posit16 1.0)
  (posit16->quire16 (+.p16 (*.p16 re re) (*.p16 im im)))
  (quire16-mul-add (posit16->quire16 (*.p16 re re)) (*.p16 im im) (real->posit16 1.0))
  (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im)
  (real->posit16 0.0)
  (real->posit16 0.0)
  (real->posit16 0.0)
  (real->posit16 1.0)
  (real->posit16 1.0)
  (real->posit16 1.0)
  (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im)))
  (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im)))
0.229 * * [simplify]: iteration 1: (18 enodes)
0.233 * * [simplify]: iteration 2: (23 enodes)
0.239 * * [simplify]: iteration 3: (39 enodes)
0.248 * * [simplify]: iteration 4: (91 enodes)
0.306 * * [simplify]: iteration 5: (216 enodes)
0.416 * * [simplify]: iteration 6: (467 enodes)
0.434 * * [simplify]: iteration 7: (541 enodes)
0.452 * * [simplify]: iteration 8: (571 enodes)
0.478 * * [simplify]: iteration 9: (621 enodes)
0.505 * * [simplify]: iteration 10: (649 enodes)
0.517 * * [simplify]: Extracting #0: cost 11 inf + 0
0.517 * * [simplify]: Extracting #1: cost 18 inf + 0
0.518 * * [simplify]: Extracting #2: cost 9 inf + 2170
0.518 * * [simplify]: Extracting #3: cost 2 inf + 4941
0.518 * * [simplify]: Extracting #4: cost 0 inf + 6306
0.519 * [simplify]: Simplified to:
  (real->posit16 1.0)
  (posit16->quire16 (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))))
  (real->posit16 0.0)
  (real->posit16 0.0)
  (real->posit16 0.0)
  (real->posit16 1.0)
  (real->posit16 1.0)
  (real->posit16 1.0)
  (*.p16 re re)
  (+.p16 (*.p16 re re) (*.p16 im im))
  (+.p16 (*.p16 re re) (*.p16 im im))
  (*.p16 im im)
  (+.p16 (*.p16 re re) (*.p16 im im))
  (neg.p16 (*.p16 im im))
  (real->posit16 1.0)
  (posit16->quire16 (+.p16 (*.p16 re re) (*.p16 im im)))
  (quire16-mul-add (posit16->quire16 (*.p16 re re)) (*.p16 im im) (real->posit16 1.0))
  (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im)
  (real->posit16 0.0)
  (real->posit16 0.0)
  (real->posit16 0.0)
  (real->posit16 1.0)
  (real->posit16 1.0)
  (real->posit16 1.0)
  (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im)))
  (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im)))
0.520 * * * [progress]: adding candidates to table
0.987 * * [progress]: iteration 2 / 4
0.987 * * * [progress]: picking best candidate
0.997 * * * * [pick]: Picked  #<alt (λ (re im) (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))))>
0.997 * * * [progress]: localizing error
1.104 * * * [progress]: generating rewritten candidates
1.104 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
1.105 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
1.105 * * * [progress]: generating series expansions
1.105 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
1.105 * * * * [progress]: [ 2 / 2 ] generating series at (2)
1.105 * * * [progress]: simplifying candidates
1.105 * * * * [progress]: [ 1 / 10 ] simplifiying candidate #<alt (λ (re im) (*.p16 (real->posit16 1.0) (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im)))))>
1.105 * * * * [progress]: [ 2 / 10 ] simplifiying candidate #<alt (λ (re im) (quire16->posit16 (posit16->quire16 (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))))))>
1.105 * * * * [progress]: [ 3 / 10 ] simplifiying candidate #<alt (λ (re im) (+.p16 (real->posit16 0.0) (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im)))))>
1.105 * * * * [progress]: [ 4 / 10 ] simplifiying candidate #<alt (λ (re im) (+.p16 (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))) (real->posit16 0.0)))>
1.105 * * * * [progress]: [ 5 / 10 ] simplifiying candidate #<alt (λ (re im) (-.p16 (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))) (real->posit16 0.0)))>
1.105 * * * * [progress]: [ 6 / 10 ] simplifiying candidate #<alt (λ (re im) (*.p16 (real->posit16 1.0) (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im)))))>
1.105 * * * * [progress]: [ 7 / 10 ] simplifiying candidate #<alt (λ (re im) (*.p16 (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))) (real->posit16 1.0)))>
1.105 * * * * [progress]: [ 8 / 10 ] simplifiying candidate #<alt (λ (re im) (/.p16 (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))) (real->posit16 1.0)))>
1.106 * * * * [progress]: [ 9 / 10 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))))>
1.106 * * * * [progress]: [ 10 / 10 ] simplifiying candidate #<alt (λ (re im) (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))))>
1.106 * [simplify]: Simplifying:
  (real->posit16 1.0)
  (posit16->quire16 (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))))
  (real->posit16 0.0)
  (real->posit16 0.0)
  (real->posit16 0.0)
  (real->posit16 1.0)
  (real->posit16 1.0)
  (real->posit16 1.0)
  (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im)
  (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im)
1.106 * * [simplify]: iteration 1: (12 enodes)
1.109 * * [simplify]: Extracting #0: cost 4 inf + 0
1.109 * * [simplify]: Extracting #1: cost 9 inf + 0
1.109 * * [simplify]: Extracting #2: cost 7 inf + 4
1.109 * * [simplify]: Extracting #3: cost 7 inf + 5
1.109 * * [simplify]: Extracting #4: cost 0 inf + 2016
1.109 * [simplify]: Simplified to:
  (real->posit16 1.0)
  (posit16->quire16 (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))))
  (real->posit16 0.0)
  (real->posit16 0.0)
  (real->posit16 0.0)
  (real->posit16 1.0)
  (real->posit16 1.0)
  (real->posit16 1.0)
  (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im)
  (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im)
1.110 * * * [progress]: adding candidates to table
1.486 * [progress]: [Phase 3 of 3] Extracting.
1.486 * * [regime]: Finding splitpoints for: (#<alt (λ (re im) (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))))> #<alt (λ (re im) (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))))>)
1.486 * * * [regime-changes]: Trying 2 branch expressions: (im re)
1.486 * * * * [regimes]: Trying to branch on im from (#<alt (λ (re im) (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))))> #<alt (λ (re im) (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))))>)
1.542 * * * * [regimes]: Trying to branch on re from (#<alt (λ (re im) (sqrt.p16 (+.p16 (*.p16 re re) (*.p16 im im))))> #<alt (λ (re im) (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im))))>)
1.591 * * * [regime]: Found split indices: #<option (#s(si 1 256))>
1.592 * [simplify]: Simplifying:
  (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im)))
1.592 * * [simplify]: iteration 1: (7 enodes)
1.592 * * [simplify]: Extracting #0: cost 1 inf + 0
1.592 * * [simplify]: Extracting #1: cost 2 inf + 0
1.592 * * [simplify]: Extracting #2: cost 3 inf + 0
1.592 * * [simplify]: Extracting #3: cost 5 inf + 0
1.592 * * [simplify]: Extracting #4: cost 5 inf + 1
1.592 * * [simplify]: Extracting #5: cost 6 inf + 1
1.592 * * [simplify]: Extracting #6: cost 5 inf + 2
1.592 * * [simplify]: Extracting #7: cost 0 inf + 1650
1.592 * [simplify]: Simplified to:
  (sqrt.p16 (quire16->posit16 (quire16-mul-add (posit16->quire16 (*.p16 re re)) im im)))
1.592 * * * * [points]: Sampling 8000 additional inputs, on iter 0 have 0 / 8000
1.622 * * * * [points]: Computing exacts on every 500 of 8000 points to ramp up precision
1.623 * * * * [points]: Setting MPFR precision to 64
1.625 * * * * [points]: Setting MPFR precision to 320
1.626 * * * * [points]: Computing exacts on every 250 of 8000 points to ramp up precision
1.628 * * * * [points]: Setting MPFR precision to 64
1.631 * * * * [points]: Setting MPFR precision to 320
1.634 * * * * [points]: Computing exacts on every 125 of 8000 points to ramp up precision
1.635 * * * * [points]: Setting MPFR precision to 64
1.640 * * * * [points]: Setting MPFR precision to 320
1.646 * * * * [points]: Computing exacts on every 62 of 8000 points to ramp up precision
1.647 * * * * [points]: Setting MPFR precision to 64
1.660 * * * * [points]: Setting MPFR precision to 320
1.672 * * * * [points]: Computing exacts on every 31 of 8000 points to ramp up precision
1.674 * * * * [points]: Setting MPFR precision to 64
1.689 * * * * [points]: Setting MPFR precision to 320
1.702 * * * * [points]: Computing exacts on every 15 of 8000 points to ramp up precision
1.703 * * * * [points]: Setting MPFR precision to 64
1.764 * * * * [points]: Setting MPFR precision to 320
1.791 * * * * [points]: Computing exacts on every 7 of 8000 points to ramp up precision
1.793 * * * * [points]: Setting MPFR precision to 64
1.846 * * * * [points]: Setting MPFR precision to 320
1.945 * * * * [points]: Computing exacts on every 3 of 8000 points to ramp up precision
1.946 * * * * [points]: Setting MPFR precision to 64
2.050 * * * * [points]: Setting MPFR precision to 320
2.190 * * * * [points]: Computing exacts for 8000 points
2.191 * * * * [points]: Setting MPFR precision to 64
2.724 * * * * [points]: Setting MPFR precision to 320
3.800 * * * * [points]: Filtering points with unrepresentable outputs
3.815 * * * * [points]: Sampled 8000 points with exact outputs
4.976 * [regime-testing]: Baseline error score: 0.5432287119006249
4.981 * [regime-testing]: Oracle error score: 0.521716869712494
4.985 * [regime-testing]: End program error score: 0.5432287119006249