0.002 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.003 * * * * [points]: Sampling 256 additional inputs, on iter 0 have 0 / 256
0.006 * * * * [points]: Computing exacts on every 16 of 256 points to ramp up precision
0.008 * * * * [points]: Setting MPFR precision to 64
0.010 * * * * [points]: Setting MPFR precision to 320
0.012 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision
0.014 * * * * [points]: Setting MPFR precision to 64
0.017 * * * * [points]: Setting MPFR precision to 320
0.021 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision
0.023 * * * * [points]: Setting MPFR precision to 64
0.029 * * * * [points]: Setting MPFR precision to 320
0.035 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision
0.037 * * * * [points]: Setting MPFR precision to 64
0.054 * * * * [points]: Setting MPFR precision to 320
0.061 * * * * [points]: Computing exacts for 256 points
0.062 * * * * [points]: Setting MPFR precision to 64
0.078 * * * * [points]: Setting MPFR precision to 320
0.094 * * * * [points]: Filtering points with unrepresentable outputs
0.095 * * * * [points]: Sampled 256 points with exact outputs
0.095 * * * [progress]: [2/2] Setting up program.
0.106 * [progress]: [Phase 2 of 3] Improving.
0.106 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))>
0.107 * [simplify]: Simplifying (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1))
0.107 * * [simplify]: iters left: 4 (11 enodes)
0.112 * * [simplify]: iters left: 3 (43 enodes)
0.128 * * [simplify]: iters left: 2 (148 enodes)
0.201 * * [simplify]: Extracting #0: cost 1 inf + 0
0.201 * * [simplify]: Extracting #1: cost 40 inf + 0
0.202 * * [simplify]: Extracting #2: cost 128 inf + 322
0.203 * * [simplify]: Extracting #3: cost 222 inf + 10234
0.210 * * [simplify]: Extracting #4: cost 153 inf + 124713
0.226 * * [simplify]: Extracting #5: cost 28 inf + 253727
0.246 * * [simplify]: Extracting #6: cost 1 inf + 271088
0.265 * * [simplify]: Extracting #7: cost 0 inf + 269810
0.284 * * [simplify]: Extracting #8: cost 0 inf + 269170
0.307 * [simplify]: Simplified to (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.307 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
0.329 * * [progress]: iteration 1 / 4
0.329 * * * [progress]: picking best candidate
0.339 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.340 * * * [progress]: localizing error
0.459 * * * [progress]: generating rewritten candidates
0.459 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.478 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.486 * * * [progress]: generating series expansions
0.486 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.486 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.486 * * * [progress]: simplifying candidates
0.486 * * * * [progress]: [ 1 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))>
0.486 * [simplify]: Simplifying (neg.p16 d1)
0.486 * * [simplify]: iters left: 1 (2 enodes)
0.487 * * [simplify]: Extracting #0: cost 1 inf + 0
0.487 * * [simplify]: Extracting #1: cost 2 inf + 0
0.487 * * [simplify]: Extracting #2: cost 1 inf + 1
0.487 * * [simplify]: Extracting #3: cost 0 inf + 82
0.487 * [simplify]: Simplified to (neg.p16 d1)
0.487 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))
0.487 * * * * [progress]: [ 2 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
0.487 * * * * [progress]: [ 3 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
0.487 * * * * [progress]: [ 4 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
0.487 * * * * [progress]: [ 5 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d4 d1) (-.p16 d2 d3))))>
0.487 * * * * [progress]: [ 6 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
0.487 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
0.487 * * [simplify]: iters left: 2 (4 enodes)
0.488 * * [simplify]: iters left: 1 (16 enodes)
0.491 * * [simplify]: Extracting #0: cost 1 inf + 0
0.491 * * [simplify]: Extracting #1: cost 10 inf + 0
0.491 * * [simplify]: Extracting #2: cost 12 inf + 1
0.491 * * [simplify]: Extracting #3: cost 11 inf + 1249
0.491 * * [simplify]: Extracting #4: cost 6 inf + 3901
0.491 * * [simplify]: Extracting #5: cost 1 inf + 7028
0.492 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.492 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
0.492 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
0.492 * * * * [progress]: [ 7 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
0.492 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
0.492 * * [simplify]: iters left: 2 (4 enodes)
0.493 * * [simplify]: iters left: 1 (16 enodes)
0.496 * * [simplify]: Extracting #0: cost 1 inf + 0
0.496 * * [simplify]: Extracting #1: cost 10 inf + 0
0.496 * * [simplify]: Extracting #2: cost 12 inf + 1
0.496 * * [simplify]: Extracting #3: cost 13 inf + 885
0.496 * * [simplify]: Extracting #4: cost 8 inf + 2697
0.497 * * [simplify]: Extracting #5: cost 2 inf + 6266
0.497 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.498 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
0.498 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
0.498 * * * * [progress]: [ 8 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))>
0.498 * * * * [progress]: [ 9 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.498 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.498 * * [simplify]: iters left: 3 (8 enodes)
0.501 * * [simplify]: iters left: 2 (42 enodes)
0.516 * * [simplify]: iters left: 1 (117 enodes)
0.553 * * [simplify]: Extracting #0: cost 1 inf + 0
0.553 * * [simplify]: Extracting #1: cost 24 inf + 0
0.553 * * [simplify]: Extracting #2: cost 56 inf + 1
0.553 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.555 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.558 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.562 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.568 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.572 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.572 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.572 * * * * [progress]: [ 10 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.573 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.573 * * [simplify]: iters left: 3 (8 enodes)
0.574 * * [simplify]: iters left: 2 (42 enodes)
0.584 * * [simplify]: iters left: 1 (117 enodes)
0.631 * * [simplify]: Extracting #0: cost 1 inf + 0
0.631 * * [simplify]: Extracting #1: cost 24 inf + 0
0.631 * * [simplify]: Extracting #2: cost 56 inf + 1
0.632 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.634 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.640 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.648 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.656 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.664 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.664 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.664 * * * [progress]: adding candidates to table
0.843 * * [progress]: iteration 2 / 4
0.843 * * * [progress]: picking best candidate
0.884 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
0.884 * * * [progress]: localizing error
1.035 * * * [progress]: generating rewritten candidates
1.035 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
1.046 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 2)
1.053 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
1.064 * * * [progress]: generating series expansions
1.064 * * * * [progress]: [ 1 / 3 ] generating series at (2)
1.064 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 2)
1.064 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
1.064 * * * [progress]: simplifying candidates
1.064 * * * * [progress]: [ 1 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.064 * [simplify]: Simplifying (*.p16 d1 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))
1.064 * * [simplify]: iters left: 3 (7 enodes)
1.067 * * [simplify]: iters left: 2 (30 enodes)
1.078 * * [simplify]: iters left: 1 (63 enodes)
1.102 * * [simplify]: Extracting #0: cost 1 inf + 0
1.102 * * [simplify]: Extracting #1: cost 14 inf + 0
1.111 * * [simplify]: Extracting #2: cost 31 inf + 1
1.111 * * [simplify]: Extracting #3: cost 48 inf + 935
1.113 * * [simplify]: Extracting #4: cost 28 inf + 12916
1.115 * * [simplify]: Extracting #5: cost 11 inf + 28880
1.118 * * [simplify]: Extracting #6: cost 1 inf + 38934
1.121 * * [simplify]: Extracting #7: cost 0 inf + 40776
1.124 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))
1.124 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))))
1.124 * * * * [progress]: [ 2 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (+.p16 (neg.p16 d3) (-.p16 d4 d1)) d1)))>
1.124 * [simplify]: Simplifying (*.p16 (+.p16 (neg.p16 d3) (-.p16 d4 d1)) d1)
1.125 * * [simplify]: iters left: 3 (7 enodes)
1.127 * * [simplify]: iters left: 2 (24 enodes)
1.135 * * [simplify]: iters left: 1 (53 enodes)
1.156 * * [simplify]: Extracting #0: cost 1 inf + 0
1.156 * * [simplify]: Extracting #1: cost 12 inf + 0
1.156 * * [simplify]: Extracting #2: cost 29 inf + 1
1.156 * * [simplify]: Extracting #3: cost 30 inf + 1661
1.157 * * [simplify]: Extracting #4: cost 29 inf + 7378
1.159 * * [simplify]: Extracting #5: cost 15 inf + 18416
1.161 * * [simplify]: Extracting #6: cost 1 inf + 30838
1.164 * * [simplify]: Extracting #7: cost 0 inf + 32840
1.167 * [simplify]: Simplified to (*.p16 (-.p16 d4 (+.p16 d1 d3)) d1)
1.167 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (-.p16 d4 (+.p16 d1 d3)) d1)))
1.167 * * * * [progress]: [ 3 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1))) d1))>
1.167 * * * * [progress]: [ 4 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (+.p16 (neg.p16 d3) d4) (neg.p16 d1)))))>
1.167 * [simplify]: Simplifying (neg.p16 d1)
1.167 * * [simplify]: iters left: 1 (2 enodes)
1.168 * * [simplify]: Extracting #0: cost 1 inf + 0
1.168 * * [simplify]: Extracting #1: cost 2 inf + 0
1.168 * * [simplify]: Extracting #2: cost 1 inf + 1
1.168 * * [simplify]: Extracting #3: cost 0 inf + 82
1.168 * [simplify]: Simplified to (neg.p16 d1)
1.168 * [simplify]: Simplified (2 2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (+.p16 (neg.p16 d3) d4) (neg.p16 d1)))))
1.168 * * * * [progress]: [ 5 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
1.168 * * * * [progress]: [ 6 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (-.p16 d4 d1) (neg.p16 d3)))))>
1.168 * * * * [progress]: [ 7 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))>
1.169 * [simplify]: Simplifying (-.p16 d4 d1)
1.169 * * [simplify]: iters left: 1 (3 enodes)
1.170 * * [simplify]: Extracting #0: cost 1 inf + 0
1.170 * * [simplify]: Extracting #1: cost 6 inf + 0
1.170 * * [simplify]: Extracting #2: cost 5 inf + 44
1.170 * * [simplify]: Extracting #3: cost 0 inf + 1571
1.171 * [simplify]: Simplified to (-.p16 d4 d1)
1.171 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))
1.171 * * * * [progress]: [ 8 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))>
1.171 * * * * [progress]: [ 9 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (neg.p16 d3) (-.p16 d4 d1)) d2)))>
1.171 * * * * [progress]: [ 10 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.171 * * * * [progress]: [ 11 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.171 * * * * [progress]: [ 12 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.171 * * * [progress]: adding candidates to table
1.428 * * [progress]: iteration 3 / 4
1.428 * * * [progress]: picking best candidate
1.469 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
1.469 * * * [progress]: localizing error
1.574 * * * [progress]: generating rewritten candidates
1.574 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2 2)
1.581 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
1.589 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
1.597 * * * [progress]: generating series expansions
1.597 * * * * [progress]: [ 1 / 3 ] generating series at (2 2 2)
1.597 * * * * [progress]: [ 2 / 3 ] generating series at (2)
1.597 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
1.597 * * * [progress]: simplifying candidates
1.597 * * * * [progress]: [ 1 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.597 * [simplify]: Simplifying (neg.p16 d3)
1.597 * * [simplify]: iters left: 1 (2 enodes)
1.598 * * [simplify]: Extracting #0: cost 1 inf + 0
1.598 * * [simplify]: Extracting #1: cost 2 inf + 0
1.598 * * [simplify]: Extracting #2: cost 1 inf + 1
1.598 * * [simplify]: Extracting #3: cost 0 inf + 82
1.598 * [simplify]: Simplified to (neg.p16 d3)
1.598 * [simplify]: Simplified (2 2 2 1) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))
1.598 * * * * [progress]: [ 2 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (+.p16 (neg.p16 d3) d4) (neg.p16 d1)))))>
1.598 * * * * [progress]: [ 3 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (/.p16 (-.p16 (*.p16 (+.p16 (neg.p16 d3) d4) (+.p16 (neg.p16 d3) d4)) (*.p16 d1 d1)) (+.p16 (+.p16 (neg.p16 d3) d4) d1)))))>
1.598 * * * * [progress]: [ 4 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
1.598 * [simplify]: Simplifying (*.p16 d1 (-.p16 (+.p16 (neg.p16 d3) d4) d1))
1.598 * * [simplify]: iters left: 4 (7 enodes)
1.599 * * [simplify]: iters left: 3 (24 enodes)
1.604 * * [simplify]: iters left: 2 (73 enodes)
1.621 * * [simplify]: iters left: 1 (248 enodes)
1.772 * * [simplify]: Extracting #0: cost 1 inf + 0
1.772 * * [simplify]: Extracting #1: cost 25 inf + 0
1.773 * * [simplify]: Extracting #2: cost 238 inf + 1
1.776 * * [simplify]: Extracting #3: cost 340 inf + 27897
1.792 * * [simplify]: Extracting #4: cost 93 inf + 256968
1.818 * * [simplify]: Extracting #5: cost 13 inf + 356607
1.846 * * [simplify]: Extracting #6: cost 1 inf + 368586
1.877 * * [simplify]: Extracting #7: cost 0 inf + 369868
1.905 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))
1.905 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))
1.906 * * * * [progress]: [ 5 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (-.p16 (+.p16 (neg.p16 d3) d4) d1) d1)))>
1.906 * [simplify]: Simplifying (*.p16 (-.p16 (+.p16 (neg.p16 d3) d4) d1) d1)
1.906 * * [simplify]: iters left: 4 (7 enodes)
1.909 * * [simplify]: iters left: 3 (24 enodes)
1.917 * * [simplify]: iters left: 2 (73 enodes)
1.946 * * [simplify]: iters left: 1 (248 enodes)
2.077 * * [simplify]: Extracting #0: cost 1 inf + 0
2.077 * * [simplify]: Extracting #1: cost 26 inf + 0
2.077 * * [simplify]: Extracting #2: cost 250 inf + 1
2.080 * * [simplify]: Extracting #3: cost 357 inf + 29897
2.092 * * [simplify]: Extracting #4: cost 88 inf + 268617
2.111 * * [simplify]: Extracting #5: cost 13 inf + 364852
2.128 * * [simplify]: Extracting #6: cost 2 inf + 374068
2.158 * * [simplify]: Extracting #7: cost 0 inf + 376712
2.180 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))
2.180 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))
2.180 * * * * [progress]: [ 6 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1)) d1))>
2.180 * * * * [progress]: [ 7 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))>
2.180 * [simplify]: Simplifying (-.p16 d4 d1)
2.180 * * [simplify]: iters left: 1 (3 enodes)
2.181 * * [simplify]: Extracting #0: cost 1 inf + 0
2.181 * * [simplify]: Extracting #1: cost 6 inf + 0
2.181 * * [simplify]: Extracting #2: cost 5 inf + 44
2.181 * * [simplify]: Extracting #3: cost 0 inf + 1571
2.181 * [simplify]: Simplified to (-.p16 d4 d1)
2.181 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))
2.181 * * * * [progress]: [ 8 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) (neg.p16 d1))))>
2.182 * [simplify]: Simplifying (neg.p16 d1)
2.182 * * [simplify]: iters left: 1 (2 enodes)
2.182 * * [simplify]: Extracting #0: cost 1 inf + 0
2.182 * * [simplify]: Extracting #1: cost 2 inf + 0
2.182 * * [simplify]: Extracting #2: cost 1 inf + 1
2.182 * * [simplify]: Extracting #3: cost 0 inf + 82
2.182 * [simplify]: Simplified to (neg.p16 d1)
2.182 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) (neg.p16 d1))))
2.182 * * * * [progress]: [ 9 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))>
2.182 * * * * [progress]: [ 10 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 (+.p16 (neg.p16 d3) d4) d1) d2)))>
2.182 * * * * [progress]: [ 11 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
2.182 * * * * [progress]: [ 12 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
2.182 * * * * [progress]: [ 13 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
2.182 * * * [progress]: adding candidates to table
2.512 * * [progress]: iteration 4 / 4
2.513 * * * [progress]: picking best candidate
2.567 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))>
2.567 * * * [progress]: localizing error
2.693 * * * [progress]: generating rewritten candidates
2.693 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
2.704 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
2.722 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 1)
2.728 * * * [progress]: generating series expansions
2.728 * * * * [progress]: [ 1 / 3 ] generating series at (2)
2.728 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
2.728 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 1)
2.728 * * * [progress]: simplifying candidates
2.728 * * * * [progress]: [ 1 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
2.728 * [simplify]: Simplifying (*.p16 d1 (-.p16 (+.p16 (neg.p16 d3) d4) d1))
2.728 * * [simplify]: iters left: 4 (7 enodes)
2.730 * * [simplify]: iters left: 3 (24 enodes)
2.734 * * [simplify]: iters left: 2 (73 enodes)
2.752 * * [simplify]: iters left: 1 (248 enodes)
2.930 * * [simplify]: Extracting #0: cost 1 inf + 0
2.930 * * [simplify]: Extracting #1: cost 25 inf + 0
2.931 * * [simplify]: Extracting #2: cost 238 inf + 1
2.935 * * [simplify]: Extracting #3: cost 340 inf + 27897
2.953 * * [simplify]: Extracting #4: cost 93 inf + 256968
2.984 * * [simplify]: Extracting #5: cost 13 inf + 356607
3.008 * * [simplify]: Extracting #6: cost 1 inf + 368586
3.024 * * [simplify]: Extracting #7: cost 0 inf + 369868
3.043 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))
3.043 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))
3.043 * * * * [progress]: [ 2 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) d4))) (*.p16 d1 (neg.p16 d1))))>
3.043 * [simplify]: Simplifying (*.p16 d1 (neg.p16 d1))
3.043 * * [simplify]: iters left: 2 (3 enodes)
3.044 * * [simplify]: iters left: 1 (6 enodes)
3.044 * * [simplify]: Extracting #0: cost 1 inf + 0
3.045 * * [simplify]: Extracting #1: cost 3 inf + 0
3.045 * * [simplify]: Extracting #2: cost 2 inf + 1
3.045 * * [simplify]: Extracting #3: cost 0 inf + 483
3.045 * [simplify]: Simplified to (*.p16 (neg.p16 d1) d1)
3.045 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) d4))) (*.p16 (neg.p16 d1) d1)))
3.045 * * * * [progress]: [ 3 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (-.p16 (+.p16 (neg.p16 d3) d4) d1) d1)))>
3.045 * [simplify]: Simplifying (*.p16 (-.p16 (+.p16 (neg.p16 d3) d4) d1) d1)
3.045 * * [simplify]: iters left: 4 (7 enodes)
3.046 * * [simplify]: iters left: 3 (24 enodes)
3.053 * * [simplify]: iters left: 2 (73 enodes)
3.080 * * [simplify]: iters left: 1 (248 enodes)
3.201 * * [simplify]: Extracting #0: cost 1 inf + 0
3.201 * * [simplify]: Extracting #1: cost 26 inf + 0
3.202 * * [simplify]: Extracting #2: cost 250 inf + 1
3.204 * * [simplify]: Extracting #3: cost 357 inf + 29897
3.213 * * [simplify]: Extracting #4: cost 88 inf + 268617
3.230 * * [simplify]: Extracting #5: cost 13 inf + 364852
3.247 * * [simplify]: Extracting #6: cost 2 inf + 374068
3.264 * * [simplify]: Extracting #7: cost 0 inf + 376712
3.282 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))
3.282 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))
3.282 * * * * [progress]: [ 4 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1) (*.p16 (neg.p16 d1) d1)))>
3.283 * [simplify]: Simplifying (*.p16 (neg.p16 d1) d1)
3.283 * * [simplify]: iters left: 2 (3 enodes)
3.283 * * [simplify]: iters left: 1 (6 enodes)
3.284 * * [simplify]: Extracting #0: cost 1 inf + 0
3.284 * * [simplify]: Extracting #1: cost 3 inf + 0
3.284 * * [simplify]: Extracting #2: cost 2 inf + 1
3.284 * * [simplify]: Extracting #3: cost 0 inf + 483
3.284 * [simplify]: Simplified to (*.p16 (neg.p16 d1) d1)
3.284 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1) (*.p16 (neg.p16 d1) d1)))
3.284 * * * * [progress]: [ 5 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) (+.p16 d2 (+.p16 (neg.p16 d3) d4))) (*.p16 d1 d1))) (+.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))>
3.284 * [simplify]: Simplifying (+.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)
3.285 * * [simplify]: iters left: 4 (8 enodes)
3.286 * * [simplify]: iters left: 3 (23 enodes)
3.290 * * [simplify]: iters left: 2 (44 enodes)
3.297 * * [simplify]: iters left: 1 (87 enodes)
3.313 * * [simplify]: Extracting #0: cost 1 inf + 0
3.313 * * [simplify]: Extracting #1: cost 27 inf + 0
3.313 * * [simplify]: Extracting #2: cost 55 inf + 128
3.314 * * [simplify]: Extracting #3: cost 33 inf + 4771
3.315 * * [simplify]: Extracting #4: cost 16 inf + 12939
3.316 * * [simplify]: Extracting #5: cost 1 inf + 24172
3.318 * * [simplify]: Extracting #6: cost 0 inf + 25534
3.319 * [simplify]: Simplified to (+.p16 (+.p16 d2 d4) (-.p16 d1 d3))
3.319 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) (+.p16 d2 (+.p16 (neg.p16 d3) d4))) (*.p16 d1 d1))) (+.p16 (+.p16 d2 d4) (-.p16 d1 d3))))
3.319 * * * * [progress]: [ 6 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1) d1))>
3.319 * * * * [progress]: [ 7 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
3.319 * * * * [progress]: [ 8 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) (neg.p16 d1))))>
3.319 * * * * [progress]: [ 9 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) (+.p16 d2 (+.p16 (neg.p16 d3) d4))) (*.p16 d1 d1)) (+.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1))))>
3.319 * * * * [progress]: [ 10 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (+.p16 d2 (neg.p16 d3)) d4) d1)))>
3.319 * * * * [progress]: [ 11 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (+.p16 (neg.p16 d3) d4) d2) d1)))>
3.319 * * * * [progress]: [ 12 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))>
3.319 * * * * [progress]: [ 13 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))>
3.319 * * * * [progress]: [ 14 / 14 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))>
3.319 * * * [progress]: adding candidates to table
3.605 * [progress]: [Phase 3 of 3] Extracting.
3.605 * * [regime]: Finding splitpoints for: (#<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) d4))) (*.p16 d1 (neg.p16 d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))>)
3.606 * * * [regime-changes]: Trying 4 branch expressions: (d4 d3 d2 d1)
3.606 * * * * [regimes]: Trying to branch on d4 from (#<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) d4))) (*.p16 d1 (neg.p16 d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))>)
3.716 * * * * [regimes]: Trying to branch on d3 from (#<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) d4))) (*.p16 d1 (neg.p16 d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))>)
3.889 * * * * [regimes]: Trying to branch on d2 from (#<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) d4))) (*.p16 d1 (neg.p16 d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))>)
3.999 * * * * [regimes]: Trying to branch on d1 from (#<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) d4))) (*.p16 d1 (neg.p16 d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))>)
4.207 * * * [regime]: Found split indices: #<option (#s(si 2 256))>
4.207 * [simplify]: Simplifying (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1)))
4.208 * * [simplify]: iters left: 5 (9 enodes)
4.208 * * [simplify]: Extracting #0: cost 1 inf + 0
4.208 * * [simplify]: Extracting #1: cost 3 inf + 0
4.209 * * [simplify]: Extracting #2: cost 4 inf + 1
4.209 * * [simplify]: Extracting #3: cost 4 inf + 2
4.209 * * [simplify]: Extracting #4: cost 6 inf + 2
4.209 * * [simplify]: Extracting #5: cost 6 inf + 3
4.209 * * [simplify]: Extracting #6: cost 0 inf + 1218
4.209 * [simplify]: Simplified to (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1)))
4.209 * * * * [points]: Sampling 8000 additional inputs, on iter 0 have 0 / 8000
4.290 * * * * [points]: Computing exacts on every 500 of 8000 points to ramp up precision
4.293 * * * * [points]: Setting MPFR precision to 64
4.295 * * * * [points]: Setting MPFR precision to 320
4.297 * * * * [points]: Computing exacts on every 250 of 8000 points to ramp up precision
4.299 * * * * [points]: Setting MPFR precision to 64
4.302 * * * * [points]: Setting MPFR precision to 320
4.306 * * * * [points]: Computing exacts on every 125 of 8000 points to ramp up precision
4.308 * * * * [points]: Setting MPFR precision to 64
4.316 * * * * [points]: Setting MPFR precision to 320
4.324 * * * * [points]: Computing exacts on every 62 of 8000 points to ramp up precision
4.326 * * * * [points]: Setting MPFR precision to 64
4.342 * * * * [points]: Setting MPFR precision to 320
4.357 * * * * [points]: Computing exacts on every 31 of 8000 points to ramp up precision
4.359 * * * * [points]: Setting MPFR precision to 64
4.391 * * * * [points]: Setting MPFR precision to 320
4.421 * * * * [points]: Computing exacts on every 15 of 8000 points to ramp up precision
4.423 * * * * [points]: Setting MPFR precision to 64
4.523 * * * * [points]: Setting MPFR precision to 320
4.588 * * * * [points]: Computing exacts on every 7 of 8000 points to ramp up precision
4.590 * * * * [points]: Setting MPFR precision to 64
4.756 * * * * [points]: Setting MPFR precision to 320
4.885 * * * * [points]: Computing exacts on every 3 of 8000 points to ramp up precision
4.887 * * * * [points]: Setting MPFR precision to 64
5.188 * * * * [points]: Setting MPFR precision to 320
5.552 * * * * [points]: Computing exacts for 8000 points
5.554 * * * * [points]: Setting MPFR precision to 64
6.610 * * * * [points]: Setting MPFR precision to 320
7.314 * * * * [points]: Filtering points with unrepresentable outputs
7.339 * * * * [points]: Sampled 8000 points with exact outputs
9.364 * [regime-testing]: Baseline error score: 64.0
9.370 * [regime-testing]: Oracle error score: 64.0
9.382 * [regime-testing]: End program error score: 0.39247917188433473