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
0.005 * * * * [points]: Computing exacts on every 16 of 256 points to ramp up precision
0.007 * * * * [points]: Setting MPFR precision to 64
0.008 * * * * [points]: Setting MPFR precision to 320
0.010 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision
0.012 * * * * [points]: Setting MPFR precision to 64
0.015 * * * * [points]: Setting MPFR precision to 320
0.018 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision
0.020 * * * * [points]: Setting MPFR precision to 64
0.026 * * * * [points]: Setting MPFR precision to 320
0.031 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision
0.033 * * * * [points]: Setting MPFR precision to 64
0.042 * * * * [points]: Setting MPFR precision to 320
0.052 * * * * [points]: Computing exacts for 256 points
0.054 * * * * [points]: Setting MPFR precision to 64
0.085 * * * * [points]: Setting MPFR precision to 320
0.117 * * * * [points]: Filtering points with unrepresentable outputs
0.118 * * * * [points]: Sampled 256 points with exact outputs
0.119 * * * [progress]: [2/2] Setting up program.
0.128 * [progress]: [Phase 2 of 3] Improving.
0.128 * * * * [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)))>
0.129 * [simplify]: Simplifying (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1))
0.129 * * [simplify]: iters left: 4 (11 enodes)
0.133 * * [simplify]: iters left: 3 (43 enodes)
0.145 * * [simplify]: iters left: 2 (148 enodes)
0.207 * * [simplify]: Extracting #0: cost 1 inf + 0
0.208 * * [simplify]: Extracting #1: cost 40 inf + 0
0.208 * * [simplify]: Extracting #2: cost 128 inf + 322
0.209 * * [simplify]: Extracting #3: cost 222 inf + 10234
0.212 * * [simplify]: Extracting #4: cost 153 inf + 124713
0.220 * * [simplify]: Extracting #5: cost 28 inf + 253727
0.238 * * [simplify]: Extracting #6: cost 1 inf + 271088
0.248 * * [simplify]: Extracting #7: cost 0 inf + 269810
0.257 * * [simplify]: Extracting #8: cost 0 inf + 269170
0.267 * [simplify]: Simplified to (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.267 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
0.277 * * [progress]: iteration 1 / 4
0.277 * * * [progress]: picking best candidate
0.287 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.287 * * * [progress]: localizing error
0.374 * * * [progress]: generating rewritten candidates
0.374 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.381 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.387 * * * [progress]: generating series expansions
0.388 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.388 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.388 * * * [progress]: simplifying candidates
0.388 * * * * [progress]: [ 1 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))>
0.388 * [simplify]: Simplifying (neg.p16 d1)
0.388 * * [simplify]: iters left: 1 (2 enodes)
0.388 * * [simplify]: Extracting #0: cost 1 inf + 0
0.388 * * [simplify]: Extracting #1: cost 2 inf + 0
0.388 * * [simplify]: Extracting #2: cost 1 inf + 1
0.388 * * [simplify]: Extracting #3: cost 0 inf + 82
0.388 * [simplify]: Simplified to (neg.p16 d1)
0.388 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))
0.389 * * * * [progress]: [ 2 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
0.389 * * * * [progress]: [ 3 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
0.389 * * * * [progress]: [ 4 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
0.389 * * * * [progress]: [ 5 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d4 d1) (-.p16 d2 d3))))>
0.389 * * * * [progress]: [ 6 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
0.389 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
0.389 * * [simplify]: iters left: 2 (4 enodes)
0.390 * * [simplify]: iters left: 1 (16 enodes)
0.393 * * [simplify]: Extracting #0: cost 1 inf + 0
0.393 * * [simplify]: Extracting #1: cost 10 inf + 0
0.393 * * [simplify]: Extracting #2: cost 12 inf + 1
0.393 * * [simplify]: Extracting #3: cost 11 inf + 1249
0.393 * * [simplify]: Extracting #4: cost 6 inf + 3901
0.393 * * [simplify]: Extracting #5: cost 1 inf + 7028
0.394 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.394 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
0.394 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
0.394 * * * * [progress]: [ 7 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
0.394 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
0.394 * * [simplify]: iters left: 2 (4 enodes)
0.395 * * [simplify]: iters left: 1 (16 enodes)
0.398 * * [simplify]: Extracting #0: cost 1 inf + 0
0.398 * * [simplify]: Extracting #1: cost 10 inf + 0
0.398 * * [simplify]: Extracting #2: cost 12 inf + 1
0.398 * * [simplify]: Extracting #3: cost 13 inf + 885
0.398 * * [simplify]: Extracting #4: cost 8 inf + 2697
0.399 * * [simplify]: Extracting #5: cost 2 inf + 6266
0.399 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.399 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
0.399 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
0.399 * * * * [progress]: [ 8 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))>
0.399 * * * * [progress]: [ 9 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.399 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.399 * * [simplify]: iters left: 3 (8 enodes)
0.401 * * [simplify]: iters left: 2 (42 enodes)
0.410 * * [simplify]: iters left: 1 (117 enodes)
0.444 * * [simplify]: Extracting #0: cost 1 inf + 0
0.444 * * [simplify]: Extracting #1: cost 24 inf + 0
0.444 * * [simplify]: Extracting #2: cost 56 inf + 1
0.445 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.446 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.449 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.453 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.458 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.462 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.462 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.462 * * * * [progress]: [ 10 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.462 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.463 * * [simplify]: iters left: 3 (8 enodes)
0.465 * * [simplify]: iters left: 2 (42 enodes)
0.473 * * [simplify]: iters left: 1 (117 enodes)
0.500 * * [simplify]: Extracting #0: cost 1 inf + 0
0.501 * * [simplify]: Extracting #1: cost 24 inf + 0
0.501 * * [simplify]: Extracting #2: cost 56 inf + 1
0.501 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.507 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.512 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.519 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.526 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.530 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.530 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.531 * * * [progress]: adding candidates to table
0.709 * * [progress]: iteration 2 / 4
0.709 * * * [progress]: picking best candidate
0.729 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
0.729 * * * [progress]: localizing error
0.821 * * * [progress]: generating rewritten candidates
0.821 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
0.823 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 2)
0.825 * * * * [progress]: [ 3 / 3 ] rewriting at (2)
0.828 * * * [progress]: generating series expansions
0.828 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)
0.828 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 2)
0.828 * * * * [progress]: [ 3 / 3 ] generating series at (2)
0.828 * * * [progress]: simplifying candidates
0.828 * * * * [progress]: [ 1 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
0.828 * * * * [progress]: [ 2 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 d3) (neg.p16 (-.p16 d4 d1)))))>
0.828 * [simplify]: Simplifying (neg.p16 (-.p16 d4 d1))
0.828 * * [simplify]: iters left: 2 (4 enodes)
0.829 * * [simplify]: iters left: 1 (15 enodes)
0.832 * * [simplify]: Extracting #0: cost 1 inf + 0
0.832 * * [simplify]: Extracting #1: cost 2 inf + 0
0.832 * * [simplify]: Extracting #2: cost 7 inf + 0
0.832 * * [simplify]: Extracting #3: cost 9 inf + 83
0.832 * * [simplify]: Extracting #4: cost 4 inf + 2134
0.832 * * [simplify]: Extracting #5: cost 0 inf + 5180
0.832 * [simplify]: Simplified to (neg.p16 (-.p16 d4 d1))
0.833 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 d3) (neg.p16 (-.p16 d4 d1)))))
0.833 * * * * [progress]: [ 3 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.833 * [simplify]: Simplifying (-.p16 d4 d1)
0.833 * * [simplify]: iters left: 1 (3 enodes)
0.833 * * [simplify]: Extracting #0: cost 1 inf + 0
0.834 * * [simplify]: Extracting #1: cost 6 inf + 0
0.834 * * [simplify]: Extracting #2: cost 5 inf + 44
0.834 * * [simplify]: Extracting #3: cost 0 inf + 1571
0.834 * [simplify]: Simplified to (-.p16 d4 d1)
0.834 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
0.834 * * * * [progress]: [ 4 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))))>
0.834 * * * * [progress]: [ 5 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 d1))))))>
0.834 * * * * [progress]: [ 6 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 (-.p16 d3 d4) (neg.p16 d1)))))>
0.834 * [simplify]: Simplifying (neg.p16 d1)
0.834 * * [simplify]: iters left: 1 (2 enodes)
0.834 * * [simplify]: Extracting #0: cost 1 inf + 0
0.834 * * [simplify]: Extracting #1: cost 2 inf + 0
0.834 * * [simplify]: Extracting #2: cost 1 inf + 1
0.835 * * [simplify]: Extracting #3: cost 0 inf + 82
0.835 * [simplify]: Simplified to (neg.p16 d1)
0.835 * [simplify]: Simplified (2 2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 (-.p16 d3 d4) (neg.p16 d1)))))
0.835 * * * * [progress]: [ 7 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
0.835 * * * * [progress]: [ 8 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 d3 (neg.p16 (-.p16 d4 d1))))))>
0.835 * * * * [progress]: [ 9 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (/.p16 (-.p16 (*.p16 d3 d3) (*.p16 (-.p16 d4 d1) (-.p16 d4 d1))) (+.p16 d3 (-.p16 d4 d1))))))>
0.835 * * * * [progress]: [ 10 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
0.835 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
0.835 * * [simplify]: iters left: 2 (4 enodes)
0.836 * * [simplify]: iters left: 1 (16 enodes)
0.841 * * [simplify]: Extracting #0: cost 1 inf + 0
0.841 * * [simplify]: Extracting #1: cost 10 inf + 0
0.841 * * [simplify]: Extracting #2: cost 12 inf + 1
0.841 * * [simplify]: Extracting #3: cost 11 inf + 1249
0.841 * * [simplify]: Extracting #4: cost 6 inf + 3901
0.842 * * [simplify]: Extracting #5: cost 1 inf + 7028
0.842 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.843 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
0.843 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
0.843 * * * * [progress]: [ 11 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))))>
0.843 * [simplify]: Simplifying (*.p16 d1 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))
0.843 * * [simplify]: iters left: 4 (7 enodes)
0.855 * * [simplify]: iters left: 3 (30 enodes)
0.865 * * [simplify]: iters left: 2 (69 enodes)
0.894 * * [simplify]: iters left: 1 (247 enodes)
1.039 * * [simplify]: Extracting #0: cost 1 inf + 0
1.039 * * [simplify]: Extracting #1: cost 3 inf + 0
1.039 * * [simplify]: Extracting #2: cost 3 inf + 1
1.040 * * [simplify]: Extracting #3: cost 37 inf + 1
1.040 * * [simplify]: Extracting #4: cost 169 inf + 571
1.044 * * [simplify]: Extracting #5: cost 315 inf + 23094
1.059 * * [simplify]: Extracting #6: cost 214 inf + 199639
1.089 * * [simplify]: Extracting #7: cost 28 inf + 439637
1.108 * * [simplify]: Extracting #8: cost 0 inf + 479601
1.138 * [simplify]: Simplified to (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))
1.138 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))
1.138 * * * * [progress]: [ 12 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
1.138 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
1.138 * * [simplify]: iters left: 2 (4 enodes)
1.139 * * [simplify]: iters left: 1 (16 enodes)
1.142 * * [simplify]: Extracting #0: cost 1 inf + 0
1.142 * * [simplify]: Extracting #1: cost 10 inf + 0
1.142 * * [simplify]: Extracting #2: cost 12 inf + 1
1.143 * * [simplify]: Extracting #3: cost 13 inf + 885
1.143 * * [simplify]: Extracting #4: cost 8 inf + 2697
1.143 * * [simplify]: Extracting #5: cost 2 inf + 6266
1.143 * * [simplify]: Extracting #6: cost 0 inf + 8390
1.143 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
1.143 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
1.143 * * * * [progress]: [ 13 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (neg.p16 (-.p16 d3 (-.p16 d4 d1))) d1)))>
1.144 * [simplify]: Simplifying (*.p16 (neg.p16 (-.p16 d3 (-.p16 d4 d1))) d1)
1.144 * * [simplify]: iters left: 4 (7 enodes)
1.145 * * [simplify]: iters left: 3 (30 enodes)
1.151 * * [simplify]: iters left: 2 (69 enodes)
1.169 * * [simplify]: iters left: 1 (247 enodes)
1.267 * * [simplify]: Extracting #0: cost 1 inf + 0
1.267 * * [simplify]: Extracting #1: cost 3 inf + 0
1.267 * * [simplify]: Extracting #2: cost 3 inf + 1
1.267 * * [simplify]: Extracting #3: cost 37 inf + 1
1.267 * * [simplify]: Extracting #4: cost 170 inf + 449
1.269 * * [simplify]: Extracting #5: cost 322 inf + 18638
1.274 * * [simplify]: Extracting #6: cost 278 inf + 125122
1.289 * * [simplify]: Extracting #7: cost 38 inf + 422646
1.312 * * [simplify]: Extracting #8: cost 1 inf + 477317
1.331 * * [simplify]: Extracting #9: cost 0 inf + 479879
1.350 * [simplify]: Simplified to (*.p16 d1 (neg.p16 (-.p16 (+.p16 d1 d3) d4)))
1.350 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d1 d3) d4)))))
1.350 * * * * [progress]: [ 14 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1))))) (+.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.350 * [simplify]: Simplifying (+.p16 d2 (-.p16 d3 (-.p16 d4 d1)))
1.350 * * [simplify]: iters left: 3 (7 enodes)
1.352 * * [simplify]: iters left: 2 (34 enodes)
1.359 * * [simplify]: iters left: 1 (90 enodes)
1.382 * * [simplify]: Extracting #0: cost 1 inf + 0
1.382 * * [simplify]: Extracting #1: cost 22 inf + 0
1.382 * * [simplify]: Extracting #2: cost 52 inf + 167
1.383 * * [simplify]: Extracting #3: cost 73 inf + 7807
1.384 * * [simplify]: Extracting #4: cost 49 inf + 32248
1.387 * * [simplify]: Extracting #5: cost 5 inf + 71213
1.390 * * [simplify]: Extracting #6: cost 0 inf + 79303
1.394 * [simplify]: Simplified to (+.p16 (+.p16 d2 d1) (-.p16 d3 d4))
1.394 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1))))) (+.p16 (+.p16 d2 d1) (-.p16 d3 d4))))
1.394 * * * * [progress]: [ 15 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1))) d1))>
1.394 * * * * [progress]: [ 16 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.394 * * * * [progress]: [ 17 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.394 * * * * [progress]: [ 18 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.394 * * * [progress]: adding candidates to table
1.647 * * [progress]: iteration 3 / 4
1.647 * * * [progress]: picking best candidate
1.680 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.680 * * * [progress]: localizing error
1.786 * * * [progress]: generating rewritten candidates
1.786 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
1.789 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 2)
1.792 * * * * [progress]: [ 3 / 3 ] rewriting at (2)
1.797 * * * [progress]: generating series expansions
1.798 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)
1.798 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 2)
1.798 * * * * [progress]: [ 3 / 3 ] generating series at (2)
1.798 * * * [progress]: simplifying candidates
1.798 * * * * [progress]: [ 1 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
1.798 * * * * [progress]: [ 2 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 d3) (neg.p16 (-.p16 d4 d1)))))>
1.798 * [simplify]: Simplifying (neg.p16 (-.p16 d4 d1))
1.798 * * [simplify]: iters left: 2 (4 enodes)
1.800 * * [simplify]: iters left: 1 (15 enodes)
1.804 * * [simplify]: Extracting #0: cost 1 inf + 0
1.804 * * [simplify]: Extracting #1: cost 2 inf + 0
1.804 * * [simplify]: Extracting #2: cost 7 inf + 0
1.804 * * [simplify]: Extracting #3: cost 9 inf + 83
1.804 * * [simplify]: Extracting #4: cost 4 inf + 2134
1.805 * * [simplify]: Extracting #5: cost 0 inf + 5180
1.805 * [simplify]: Simplified to (neg.p16 (-.p16 d4 d1))
1.805 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 d3) (neg.p16 (-.p16 d4 d1)))))
1.805 * * * * [progress]: [ 3 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
1.805 * [simplify]: Simplifying (-.p16 d4 d1)
1.805 * * [simplify]: iters left: 1 (3 enodes)
1.807 * * [simplify]: Extracting #0: cost 1 inf + 0
1.807 * * [simplify]: Extracting #1: cost 6 inf + 0
1.807 * * [simplify]: Extracting #2: cost 5 inf + 44
1.807 * * [simplify]: Extracting #3: cost 0 inf + 1571
1.807 * [simplify]: Simplified to (-.p16 d4 d1)
1.807 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
1.807 * * * * [progress]: [ 4 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))))>
1.807 * * * * [progress]: [ 5 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 d1))))))>
1.807 * * * * [progress]: [ 6 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 (-.p16 d3 d4) (neg.p16 d1)))))>
1.807 * [simplify]: Simplifying (neg.p16 d1)
1.807 * * [simplify]: iters left: 1 (2 enodes)
1.808 * * [simplify]: Extracting #0: cost 1 inf + 0
1.808 * * [simplify]: Extracting #1: cost 2 inf + 0
1.808 * * [simplify]: Extracting #2: cost 1 inf + 1
1.808 * * [simplify]: Extracting #3: cost 0 inf + 82
1.808 * [simplify]: Simplified to (neg.p16 d1)
1.808 * [simplify]: Simplified (2 2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 (-.p16 d3 d4) (neg.p16 d1)))))
1.808 * * * * [progress]: [ 7 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
1.808 * * * * [progress]: [ 8 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 d3 (neg.p16 (-.p16 d4 d1))))))>
1.809 * * * * [progress]: [ 9 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (/.p16 (-.p16 (*.p16 d3 d3) (*.p16 (-.p16 d4 d1) (-.p16 d4 d1))) (+.p16 d3 (-.p16 d4 d1))))))>
1.809 * * * * [progress]: [ 10 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
1.809 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
1.809 * * [simplify]: iters left: 2 (4 enodes)
1.810 * * [simplify]: iters left: 1 (16 enodes)
1.816 * * [simplify]: Extracting #0: cost 1 inf + 0
1.816 * * [simplify]: Extracting #1: cost 10 inf + 0
1.816 * * [simplify]: Extracting #2: cost 12 inf + 1
1.816 * * [simplify]: Extracting #3: cost 11 inf + 1249
1.816 * * [simplify]: Extracting #4: cost 6 inf + 3901
1.816 * * [simplify]: Extracting #5: cost 1 inf + 7028
1.817 * * [simplify]: Extracting #6: cost 0 inf + 8390
1.817 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
1.817 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
1.817 * * * * [progress]: [ 11 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))))>
1.818 * [simplify]: Simplifying (*.p16 d1 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))
1.818 * * [simplify]: iters left: 4 (7 enodes)
1.819 * * [simplify]: iters left: 3 (30 enodes)
1.825 * * [simplify]: iters left: 2 (69 enodes)
1.841 * * [simplify]: iters left: 1 (247 enodes)
1.985 * * [simplify]: Extracting #0: cost 1 inf + 0
1.985 * * [simplify]: Extracting #1: cost 3 inf + 0
1.985 * * [simplify]: Extracting #2: cost 3 inf + 1
1.985 * * [simplify]: Extracting #3: cost 37 inf + 1
1.986 * * [simplify]: Extracting #4: cost 169 inf + 571
1.987 * * [simplify]: Extracting #5: cost 315 inf + 23094
1.995 * * [simplify]: Extracting #6: cost 214 inf + 199639
2.011 * * [simplify]: Extracting #7: cost 28 inf + 439637
2.031 * * [simplify]: Extracting #8: cost 0 inf + 479601
2.052 * [simplify]: Simplified to (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))
2.052 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))
2.052 * * * * [progress]: [ 12 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
2.052 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
2.053 * * [simplify]: iters left: 2 (4 enodes)
2.054 * * [simplify]: iters left: 1 (16 enodes)
2.059 * * [simplify]: Extracting #0: cost 1 inf + 0
2.059 * * [simplify]: Extracting #1: cost 10 inf + 0
2.059 * * [simplify]: Extracting #2: cost 12 inf + 1
2.059 * * [simplify]: Extracting #3: cost 13 inf + 885
2.059 * * [simplify]: Extracting #4: cost 8 inf + 2697
2.059 * * [simplify]: Extracting #5: cost 2 inf + 6266
2.060 * * [simplify]: Extracting #6: cost 0 inf + 8390
2.060 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
2.060 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
2.060 * * * * [progress]: [ 13 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (neg.p16 (-.p16 d3 (-.p16 d4 d1))) d1)))>
2.061 * [simplify]: Simplifying (*.p16 (neg.p16 (-.p16 d3 (-.p16 d4 d1))) d1)
2.061 * * [simplify]: iters left: 4 (7 enodes)
2.064 * * [simplify]: iters left: 3 (30 enodes)
2.073 * * [simplify]: iters left: 2 (69 enodes)
2.098 * * [simplify]: iters left: 1 (247 enodes)
2.216 * * [simplify]: Extracting #0: cost 1 inf + 0
2.216 * * [simplify]: Extracting #1: cost 3 inf + 0
2.216 * * [simplify]: Extracting #2: cost 3 inf + 1
2.216 * * [simplify]: Extracting #3: cost 37 inf + 1
2.217 * * [simplify]: Extracting #4: cost 170 inf + 449
2.218 * * [simplify]: Extracting #5: cost 322 inf + 18638
2.224 * * [simplify]: Extracting #6: cost 278 inf + 125122
2.239 * * [simplify]: Extracting #7: cost 38 inf + 422646
2.259 * * [simplify]: Extracting #8: cost 1 inf + 477317
2.279 * * [simplify]: Extracting #9: cost 0 inf + 479879
2.300 * [simplify]: Simplified to (*.p16 d1 (neg.p16 (-.p16 (+.p16 d1 d3) d4)))
2.300 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d1 d3) d4)))))
2.300 * * * * [progress]: [ 14 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1))))) (+.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
2.300 * [simplify]: Simplifying (+.p16 d2 (-.p16 d3 (-.p16 d4 d1)))
2.300 * * [simplify]: iters left: 3 (7 enodes)
2.302 * * [simplify]: iters left: 2 (34 enodes)
2.308 * * [simplify]: iters left: 1 (90 enodes)
2.330 * * [simplify]: Extracting #0: cost 1 inf + 0
2.330 * * [simplify]: Extracting #1: cost 22 inf + 0
2.330 * * [simplify]: Extracting #2: cost 52 inf + 167
2.330 * * [simplify]: Extracting #3: cost 73 inf + 7807
2.332 * * [simplify]: Extracting #4: cost 49 inf + 32248
2.335 * * [simplify]: Extracting #5: cost 5 inf + 71213
2.338 * * [simplify]: Extracting #6: cost 0 inf + 79303
2.341 * [simplify]: Simplified to (+.p16 (+.p16 d2 d1) (-.p16 d3 d4))
2.342 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1))))) (+.p16 (+.p16 d2 d1) (-.p16 d3 d4))))
2.342 * * * * [progress]: [ 15 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1))) d1))>
2.342 * * * * [progress]: [ 16 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
2.342 * * * * [progress]: [ 17 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
2.342 * * * * [progress]: [ 18 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
2.342 * * * [progress]: adding candidates to table
2.685 * * [progress]: iteration 4 / 4
2.685 * * * [progress]: picking best candidate
2.714 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
2.714 * * * [progress]: localizing error
2.878 * * * [progress]: generating rewritten candidates
2.878 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
2.892 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
2.905 * * * [progress]: generating series expansions
2.905 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
2.905 * * * * [progress]: [ 2 / 2 ] generating series at (2)
2.905 * * * [progress]: simplifying candidates
2.905 * * * * [progress]: [ 1 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))>
2.905 * [simplify]: Simplifying (neg.p16 d1)
2.906 * * [simplify]: iters left: 1 (2 enodes)
2.906 * * [simplify]: Extracting #0: cost 1 inf + 0
2.906 * * [simplify]: Extracting #1: cost 2 inf + 0
2.906 * * [simplify]: Extracting #2: cost 1 inf + 1
2.906 * * [simplify]: Extracting #3: cost 0 inf + 82
2.907 * [simplify]: Simplified to (neg.p16 d1)
2.907 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))
2.907 * * * * [progress]: [ 2 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
2.907 * * * * [progress]: [ 3 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
2.907 * * * * [progress]: [ 4 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
2.907 * * * * [progress]: [ 5 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d4 d1) (-.p16 d2 d3))))>
2.907 * * * * [progress]: [ 6 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
2.907 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
2.907 * * [simplify]: iters left: 2 (4 enodes)
2.909 * * [simplify]: iters left: 1 (16 enodes)
2.915 * * [simplify]: Extracting #0: cost 1 inf + 0
2.915 * * [simplify]: Extracting #1: cost 10 inf + 0
2.915 * * [simplify]: Extracting #2: cost 12 inf + 1
2.915 * * [simplify]: Extracting #3: cost 11 inf + 1249
2.916 * * [simplify]: Extracting #4: cost 6 inf + 3901
2.916 * * [simplify]: Extracting #5: cost 1 inf + 7028
2.916 * * [simplify]: Extracting #6: cost 0 inf + 8390
2.917 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
2.917 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
2.917 * * * * [progress]: [ 7 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
2.917 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
2.917 * * [simplify]: iters left: 2 (4 enodes)
2.919 * * [simplify]: iters left: 1 (16 enodes)
2.925 * * [simplify]: Extracting #0: cost 1 inf + 0
2.925 * * [simplify]: Extracting #1: cost 10 inf + 0
2.925 * * [simplify]: Extracting #2: cost 12 inf + 1
2.925 * * [simplify]: Extracting #3: cost 13 inf + 885
2.925 * * [simplify]: Extracting #4: cost 8 inf + 2697
2.926 * * [simplify]: Extracting #5: cost 2 inf + 6266
2.926 * * [simplify]: Extracting #6: cost 0 inf + 8390
2.927 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
2.927 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
2.927 * * * * [progress]: [ 8 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))>
2.927 * * * * [progress]: [ 9 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
2.927 * [simplify]: Simplifying (-.p16 d4 d1)
2.927 * * [simplify]: iters left: 1 (3 enodes)
2.929 * * [simplify]: Extracting #0: cost 1 inf + 0
2.929 * * [simplify]: Extracting #1: cost 6 inf + 0
2.929 * * [simplify]: Extracting #2: cost 5 inf + 44
2.929 * * [simplify]: Extracting #3: cost 0 inf + 1571
2.929 * [simplify]: Simplified to (-.p16 d4 d1)
2.929 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
2.929 * * * * [progress]: [ 10 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
2.930 * [simplify]: Simplifying (-.p16 d4 d1)
2.930 * * [simplify]: iters left: 1 (3 enodes)
2.941 * * [simplify]: Extracting #0: cost 1 inf + 0
2.941 * * [simplify]: Extracting #1: cost 6 inf + 0
2.942 * * [simplify]: Extracting #2: cost 5 inf + 44
2.942 * * [simplify]: Extracting #3: cost 0 inf + 1571
2.942 * [simplify]: Simplified to (-.p16 d4 d1)
2.942 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
2.942 * * * [progress]: adding candidates to table
3.128 * [progress]: [Phase 3 of 3] Extracting.
3.128 * * [regime]: Finding splitpoints for: (#<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 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>)
3.129 * * * [regime-changes]: Trying 4 branch expressions: (d4 d3 d2 d1)
3.129 * * * * [regimes]: Trying to branch on d4 from (#<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 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>)
3.313 * * * * [regimes]: Trying to branch on d3 from (#<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 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>)
3.498 * * * * [regimes]: Trying to branch on d2 from (#<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 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>)
3.683 * * * * [regimes]: Trying to branch on d1 from (#<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 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>)
3.865 * * * [regime]: Found split indices: #<option (#s(si 3 256))>
3.866 * [simplify]: Simplifying (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1))))
3.866 * * [simplify]: iters left: 4 (8 enodes)
3.867 * * [simplify]: Extracting #0: cost 1 inf + 0
3.867 * * [simplify]: Extracting #1: cost 3 inf + 0
3.867 * * [simplify]: Extracting #2: cost 4 inf + 1
3.867 * * [simplify]: Extracting #3: cost 5 inf + 2
3.867 * * [simplify]: Extracting #4: cost 5 inf + 3
3.867 * * [simplify]: Extracting #5: cost 0 inf + 1057
3.867 * [simplify]: Simplified to (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1))))
3.867 * * * * [points]: Sampling 8000 additional inputs, on iter 0 have 0 / 8000
3.947 * * * * [points]: Computing exacts on every 500 of 8000 points to ramp up precision
3.960 * * * * [points]: Setting MPFR precision to 64
3.962 * * * * [points]: Setting MPFR precision to 320
3.964 * * * * [points]: Computing exacts on every 250 of 8000 points to ramp up precision
3.966 * * * * [points]: Setting MPFR precision to 64
3.971 * * * * [points]: Setting MPFR precision to 320
3.975 * * * * [points]: Computing exacts on every 125 of 8000 points to ramp up precision
3.977 * * * * [points]: Setting MPFR precision to 64
3.985 * * * * [points]: Setting MPFR precision to 320
3.994 * * * * [points]: Computing exacts on every 62 of 8000 points to ramp up precision
3.996 * * * * [points]: Setting MPFR precision to 64
4.012 * * * * [points]: Setting MPFR precision to 320
4.027 * * * * [points]: Computing exacts on every 31 of 8000 points to ramp up precision
4.030 * * * * [points]: Setting MPFR precision to 64
4.064 * * * * [points]: Setting MPFR precision to 320
4.098 * * * * [points]: Computing exacts on every 15 of 8000 points to ramp up precision
4.100 * * * * [points]: Setting MPFR precision to 64
4.163 * * * * [points]: Setting MPFR precision to 320
4.276 * * * * [points]: Computing exacts on every 7 of 8000 points to ramp up precision
4.279 * * * * [points]: Setting MPFR precision to 64
4.407 * * * * [points]: Setting MPFR precision to 320
4.544 * * * * [points]: Computing exacts on every 3 of 8000 points to ramp up precision
4.546 * * * * [points]: Setting MPFR precision to 64
4.799 * * * * [points]: Setting MPFR precision to 320
5.083 * * * * [points]: Computing exacts for 8000 points
5.086 * * * * [points]: Setting MPFR precision to 64
6.058 * * * * [points]: Setting MPFR precision to 320
7.175 * * * * [points]: Filtering points with unrepresentable outputs
7.268 * * * * [points]: Sampled 8000 points with exact outputs
9.011 * [regime-testing]: Baseline error score: 64.0
9.021 * [regime-testing]: Oracle error score: 64.0
9.037 * [regime-testing]: End program error score: 0.3747544073268991