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
0.011 * * * * [points]: Setting MPFR precision to 320
0.013 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision
0.015 * * * * [points]: Setting MPFR precision to 64
0.019 * * * * [points]: Setting MPFR precision to 320
0.022 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision
0.024 * * * * [points]: Setting MPFR precision to 64
0.031 * * * * [points]: Setting MPFR precision to 320
0.037 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision
0.039 * * * * [points]: Setting MPFR precision to 64
0.050 * * * * [points]: Setting MPFR precision to 320
0.060 * * * * [points]: Computing exacts for 256 points
0.062 * * * * [points]: Setting MPFR precision to 64
0.091 * * * * [points]: Setting MPFR precision to 320
0.123 * * * * [points]: Filtering points with unrepresentable outputs
0.124 * * * * [points]: Sampled 256 points with exact outputs
0.124 * * * [progress]: [2/2] Setting up program.
0.135 * [progress]: [Phase 2 of 3] Improving.
0.136 * * * * [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)))>
0.136 * [simplify]: Simplifying (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1))
0.136 * * [simplify]: iters left: 4 (11 enodes)
0.141 * * [simplify]: iters left: 3 (43 enodes)
0.159 * * [simplify]: iters left: 2 (148 enodes)
0.258 * * [simplify]: Extracting #0: cost 1 inf + 0
0.258 * * [simplify]: Extracting #1: cost 40 inf + 0
0.259 * * [simplify]: Extracting #2: cost 128 inf + 322
0.260 * * [simplify]: Extracting #3: cost 222 inf + 10234
0.267 * * [simplify]: Extracting #4: cost 153 inf + 124713
0.284 * * [simplify]: Extracting #5: cost 28 inf + 253727
0.306 * * [simplify]: Extracting #6: cost 1 inf + 271088
0.325 * * [simplify]: Extracting #7: cost 0 inf + 269810
0.351 * * [simplify]: Extracting #8: cost 0 inf + 269170
0.370 * [simplify]: Simplified to (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.370 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
0.392 * * [progress]: iteration 1 / 4
0.392 * * * [progress]: picking best candidate
0.411 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.412 * * * [progress]: localizing error
0.541 * * * [progress]: generating rewritten candidates
0.541 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.552 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.558 * * * [progress]: generating series expansions
0.558 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.558 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.558 * * * [progress]: simplifying candidates
0.558 * * * * [progress]: [ 1 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))>
0.558 * [simplify]: Simplifying (neg.p16 d1)
0.558 * * [simplify]: iters left: 1 (2 enodes)
0.559 * * [simplify]: Extracting #0: cost 1 inf + 0
0.559 * * [simplify]: Extracting #1: cost 2 inf + 0
0.559 * * [simplify]: Extracting #2: cost 1 inf + 1
0.559 * * [simplify]: Extracting #3: cost 0 inf + 82
0.559 * [simplify]: Simplified to (neg.p16 d1)
0.559 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))
0.559 * * * * [progress]: [ 2 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
0.559 * * * * [progress]: [ 3 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
0.559 * * * * [progress]: [ 4 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
0.559 * * * * [progress]: [ 5 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d4 d1) (-.p16 d2 d3))))>
0.559 * * * * [progress]: [ 6 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
0.559 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
0.559 * * [simplify]: iters left: 2 (4 enodes)
0.560 * * [simplify]: iters left: 1 (16 enodes)
0.563 * * [simplify]: Extracting #0: cost 1 inf + 0
0.563 * * [simplify]: Extracting #1: cost 10 inf + 0
0.563 * * [simplify]: Extracting #2: cost 12 inf + 1
0.563 * * [simplify]: Extracting #3: cost 11 inf + 1249
0.563 * * [simplify]: Extracting #4: cost 6 inf + 3901
0.563 * * [simplify]: Extracting #5: cost 1 inf + 7028
0.564 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.564 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
0.564 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
0.564 * * * * [progress]: [ 7 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
0.564 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
0.564 * * [simplify]: iters left: 2 (4 enodes)
0.565 * * [simplify]: iters left: 1 (16 enodes)
0.568 * * [simplify]: Extracting #0: cost 1 inf + 0
0.568 * * [simplify]: Extracting #1: cost 10 inf + 0
0.568 * * [simplify]: Extracting #2: cost 12 inf + 1
0.568 * * [simplify]: Extracting #3: cost 13 inf + 885
0.568 * * [simplify]: Extracting #4: cost 8 inf + 2697
0.568 * * [simplify]: Extracting #5: cost 2 inf + 6266
0.568 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.569 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
0.569 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
0.569 * * * * [progress]: [ 8 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))>
0.569 * * * * [progress]: [ 9 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.569 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.569 * * [simplify]: iters left: 3 (8 enodes)
0.571 * * [simplify]: iters left: 2 (42 enodes)
0.579 * * [simplify]: iters left: 1 (117 enodes)
0.630 * * [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
0.635 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.642 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.650 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.659 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.668 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.668 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.668 * * * * [progress]: [ 10 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.668 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.668 * * [simplify]: iters left: 3 (8 enodes)
0.672 * * [simplify]: iters left: 2 (42 enodes)
0.688 * * [simplify]: iters left: 1 (117 enodes)
0.724 * * [simplify]: Extracting #0: cost 1 inf + 0
0.724 * * [simplify]: Extracting #1: cost 24 inf + 0
0.724 * * [simplify]: Extracting #2: cost 56 inf + 1
0.725 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.727 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.734 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.742 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.750 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.760 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.760 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.761 * * * [progress]: adding candidates to table
0.995 * * [progress]: iteration 2 / 4
0.995 * * * [progress]: picking best candidate
1.046 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.046 * * * [progress]: localizing error
1.165 * * * [progress]: generating rewritten candidates
1.165 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2 2)
1.168 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
1.172 * * * * [progress]: [ 3 / 3 ] rewriting at (2)
1.177 * * * [progress]: generating series expansions
1.178 * * * * [progress]: [ 1 / 3 ] generating series at (2 2 2)
1.178 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
1.178 * * * * [progress]: [ 3 / 3 ] generating series at (2)
1.178 * * * [progress]: simplifying candidates
1.178 * * * * [progress]: [ 1 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (+.p16 (neg.p16 d3) d4) (neg.p16 d1)))))>
1.178 * [simplify]: Simplifying (neg.p16 d1)
1.178 * * [simplify]: iters left: 1 (2 enodes)
1.178 * * [simplify]: Extracting #0: cost 1 inf + 0
1.178 * * [simplify]: Extracting #1: cost 2 inf + 0
1.178 * * [simplify]: Extracting #2: cost 1 inf + 1
1.178 * * [simplify]: Extracting #3: cost 0 inf + 82
1.178 * [simplify]: Simplified to (neg.p16 d1)
1.178 * [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)))))
1.179 * * * * [progress]: [ 2 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
1.179 * * * * [progress]: [ 3 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (-.p16 d4 d1) (neg.p16 d3)))))>
1.179 * * * * [progress]: [ 4 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))>
1.179 * [simplify]: Simplifying (-.p16 d4 d1)
1.179 * * [simplify]: iters left: 1 (3 enodes)
1.179 * * [simplify]: Extracting #0: cost 1 inf + 0
1.179 * * [simplify]: Extracting #1: cost 6 inf + 0
1.180 * * [simplify]: Extracting #2: cost 5 inf + 44
1.180 * * [simplify]: Extracting #3: cost 0 inf + 1571
1.180 * [simplify]: Simplified to (-.p16 d4 d1)
1.180 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))
1.180 * * * * [progress]: [ 5 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))>
1.180 * * * * [progress]: [ 6 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (neg.p16 d3) (-.p16 d4 d1)) d2)))>
1.180 * * * * [progress]: [ 7 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.180 * [simplify]: Simplifying (*.p16 d1 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))
1.180 * * [simplify]: iters left: 3 (7 enodes)
1.182 * * [simplify]: iters left: 2 (30 enodes)
1.187 * * [simplify]: iters left: 1 (63 enodes)
1.210 * * [simplify]: Extracting #0: cost 1 inf + 0
1.210 * * [simplify]: Extracting #1: cost 14 inf + 0
1.210 * * [simplify]: Extracting #2: cost 31 inf + 1
1.211 * * [simplify]: Extracting #3: cost 48 inf + 935
1.212 * * [simplify]: Extracting #4: cost 28 inf + 12916
1.214 * * [simplify]: Extracting #5: cost 11 inf + 28880
1.216 * * [simplify]: Extracting #6: cost 1 inf + 38934
1.219 * * [simplify]: Extracting #7: cost 0 inf + 40776
1.222 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))
1.222 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))))
1.222 * * * * [progress]: [ 8 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (+.p16 (neg.p16 d3) (-.p16 d4 d1)) d1)))>
1.223 * [simplify]: Simplifying (*.p16 (+.p16 (neg.p16 d3) (-.p16 d4 d1)) d1)
1.223 * * [simplify]: iters left: 3 (7 enodes)
1.226 * * [simplify]: iters left: 2 (24 enodes)
1.231 * * [simplify]: iters left: 1 (53 enodes)
1.242 * * [simplify]: Extracting #0: cost 1 inf + 0
1.242 * * [simplify]: Extracting #1: cost 12 inf + 0
1.242 * * [simplify]: Extracting #2: cost 29 inf + 1
1.243 * * [simplify]: Extracting #3: cost 30 inf + 1661
1.243 * * [simplify]: Extracting #4: cost 29 inf + 7378
1.244 * * [simplify]: Extracting #5: cost 15 inf + 18416
1.245 * * [simplify]: Extracting #6: cost 1 inf + 30838
1.246 * * [simplify]: Extracting #7: cost 0 inf + 32840
1.247 * [simplify]: Simplified to (*.p16 (-.p16 d4 (+.p16 d1 d3)) d1)
1.247 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (-.p16 d4 (+.p16 d1 d3)) d1)))
1.248 * * * * [progress]: [ 9 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1))) d1))>
1.248 * * * * [progress]: [ 10 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.248 * * * * [progress]: [ 11 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.248 * * * * [progress]: [ 12 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.248 * * * [progress]: adding candidates to table
1.492 * * [progress]: iteration 3 / 4
1.493 * * * [progress]: picking best candidate
1.534 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
1.534 * * * [progress]: localizing error
1.647 * * * [progress]: generating rewritten candidates
1.647 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
1.654 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
1.660 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 2)
1.672 * * * [progress]: generating series expansions
1.672 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)
1.672 * * * * [progress]: [ 2 / 3 ] generating series at (2)
1.672 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 2)
1.672 * * * [progress]: simplifying candidates
1.672 * * * * [progress]: [ 1 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))>
1.672 * [simplify]: Simplifying (-.p16 d4 d1)
1.672 * * [simplify]: iters left: 1 (3 enodes)
1.673 * * [simplify]: Extracting #0: cost 1 inf + 0
1.673 * * [simplify]: Extracting #1: cost 6 inf + 0
1.673 * * [simplify]: Extracting #2: cost 5 inf + 44
1.673 * * [simplify]: Extracting #3: cost 0 inf + 1571
1.673 * [simplify]: Simplified to (-.p16 d4 d1)
1.673 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))
1.673 * * * * [progress]: [ 2 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) (neg.p16 d1))))>
1.673 * [simplify]: Simplifying (neg.p16 d1)
1.673 * * [simplify]: iters left: 1 (2 enodes)
1.674 * * [simplify]: Extracting #0: cost 1 inf + 0
1.674 * * [simplify]: Extracting #1: cost 2 inf + 0
1.674 * * [simplify]: Extracting #2: cost 1 inf + 1
1.674 * * [simplify]: Extracting #3: cost 0 inf + 82
1.674 * [simplify]: Simplified to (neg.p16 d1)
1.674 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) (neg.p16 d1))))
1.674 * * * * [progress]: [ 3 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))>
1.674 * * * * [progress]: [ 4 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 (+.p16 (neg.p16 d3) d4) d1) d2)))>
1.674 * * * * [progress]: [ 5 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
1.674 * [simplify]: Simplifying (*.p16 d1 (-.p16 (+.p16 (neg.p16 d3) d4) d1))
1.674 * * [simplify]: iters left: 4 (7 enodes)
1.676 * * [simplify]: iters left: 3 (24 enodes)
1.680 * * [simplify]: iters left: 2 (73 enodes)
1.713 * * [simplify]: iters left: 1 (248 enodes)
1.829 * * [simplify]: Extracting #0: cost 1 inf + 0
1.829 * * [simplify]: Extracting #1: cost 25 inf + 0
1.829 * * [simplify]: Extracting #2: cost 238 inf + 1
1.831 * * [simplify]: Extracting #3: cost 340 inf + 27897
1.841 * * [simplify]: Extracting #4: cost 93 inf + 256968
1.868 * * [simplify]: Extracting #5: cost 13 inf + 356607
1.887 * * [simplify]: Extracting #6: cost 1 inf + 368586
1.903 * * [simplify]: Extracting #7: cost 0 inf + 369868
1.921 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))
1.921 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))
1.921 * * * * [progress]: [ 6 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (-.p16 (+.p16 (neg.p16 d3) d4) d1) d1)))>
1.922 * [simplify]: Simplifying (*.p16 (-.p16 (+.p16 (neg.p16 d3) d4) d1) d1)
1.922 * * [simplify]: iters left: 4 (7 enodes)
1.923 * * [simplify]: iters left: 3 (24 enodes)
1.927 * * [simplify]: iters left: 2 (73 enodes)
1.945 * * [simplify]: iters left: 1 (248 enodes)
2.104 * * [simplify]: Extracting #0: cost 1 inf + 0
2.104 * * [simplify]: Extracting #1: cost 26 inf + 0
2.105 * * [simplify]: Extracting #2: cost 250 inf + 1
2.114 * * [simplify]: Extracting #3: cost 357 inf + 29897
2.130 * * [simplify]: Extracting #4: cost 88 inf + 268617
2.146 * * [simplify]: Extracting #5: cost 13 inf + 364852
2.163 * * [simplify]: Extracting #6: cost 2 inf + 374068
2.180 * * [simplify]: Extracting #7: cost 0 inf + 376712
2.198 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))
2.198 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))
2.198 * * * * [progress]: [ 7 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1)) d1))>
2.198 * * * * [progress]: [ 8 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
2.198 * [simplify]: Simplifying (neg.p16 d3)
2.198 * * [simplify]: iters left: 1 (2 enodes)
2.199 * * [simplify]: Extracting #0: cost 1 inf + 0
2.199 * * [simplify]: Extracting #1: cost 2 inf + 0
2.199 * * [simplify]: Extracting #2: cost 1 inf + 1
2.199 * * [simplify]: Extracting #3: cost 0 inf + 82
2.199 * [simplify]: Simplified to (neg.p16 d3)
2.199 * [simplify]: Simplified (2 2 2 1) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))
2.199 * * * * [progress]: [ 9 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (+.p16 (neg.p16 d3) d4) (neg.p16 d1)))))>
2.199 * * * * [progress]: [ 10 / 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)))))>
2.199 * * * * [progress]: [ 11 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
2.199 * * * * [progress]: [ 12 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
2.199 * * * * [progress]: [ 13 / 13 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
2.199 * * * [progress]: adding candidates to table
2.602 * * [progress]: iteration 4 / 4
2.602 * * * [progress]: picking best candidate
2.663 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))>
2.663 * * * [progress]: localizing error
2.806 * * * [progress]: generating rewritten candidates
2.806 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
2.837 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
2.854 * * * [progress]: generating series expansions
2.854 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
2.854 * * * * [progress]: [ 2 / 2 ] generating series at (2)
2.854 * * * [progress]: simplifying candidates
2.854 * * * * [progress]: [ 1 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (+.p16 d2 (neg.p16 d3)) d4) (neg.p16 d1))))>
2.854 * [simplify]: Simplifying (neg.p16 d1)
2.854 * * [simplify]: iters left: 1 (2 enodes)
2.855 * * [simplify]: Extracting #0: cost 1 inf + 0
2.855 * * [simplify]: Extracting #1: cost 2 inf + 0
2.855 * * [simplify]: Extracting #2: cost 1 inf + 1
2.855 * * [simplify]: Extracting #3: cost 0 inf + 82
2.855 * [simplify]: Simplified to (neg.p16 d1)
2.855 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (+.p16 d2 (neg.p16 d3)) d4) (neg.p16 d1))))
2.855 * * * * [progress]: [ 2 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
2.855 * * * * [progress]: [ 3 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (+.p16 d2 (neg.p16 d3)) d4) d1)))>
2.855 * * * * [progress]: [ 4 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
2.856 * * * * [progress]: [ 5 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d4 d1) (+.p16 d2 (neg.p16 d3)))))>
2.856 * * * * [progress]: [ 6 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 d2 (neg.p16 d3))) (*.p16 d1 (-.p16 d4 d1))))>
2.856 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
2.856 * * [simplify]: iters left: 2 (4 enodes)
2.858 * * [simplify]: iters left: 1 (16 enodes)
2.863 * * [simplify]: Extracting #0: cost 1 inf + 0
2.863 * * [simplify]: Extracting #1: cost 10 inf + 0
2.863 * * [simplify]: Extracting #2: cost 12 inf + 1
2.863 * * [simplify]: Extracting #3: cost 11 inf + 1249
2.864 * * [simplify]: Extracting #4: cost 6 inf + 3901
2.864 * * [simplify]: Extracting #5: cost 1 inf + 7028
2.865 * * [simplify]: Extracting #6: cost 0 inf + 8390
2.865 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
2.865 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 d2 (neg.p16 d3))) (*.p16 d1 (-.p16 d4 d1))))
2.865 * * * * [progress]: [ 7 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (+.p16 d2 (neg.p16 d3)) d1) (*.p16 (-.p16 d4 d1) d1)))>
2.866 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
2.866 * * [simplify]: iters left: 2 (4 enodes)
2.868 * * [simplify]: iters left: 1 (16 enodes)
2.874 * * [simplify]: Extracting #0: cost 1 inf + 0
2.874 * * [simplify]: Extracting #1: cost 10 inf + 0
2.874 * * [simplify]: Extracting #2: cost 12 inf + 1
2.874 * * [simplify]: Extracting #3: cost 13 inf + 885
2.874 * * [simplify]: Extracting #4: cost 8 inf + 2697
2.875 * * [simplify]: Extracting #5: cost 2 inf + 6266
2.875 * * [simplify]: Extracting #6: cost 0 inf + 8390
2.876 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
2.876 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (+.p16 d2 (neg.p16 d3)) d1) (*.p16 (-.p16 d4 d1) d1)))
2.876 * * * * [progress]: [ 8 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1)) d1))>
2.876 * * * * [progress]: [ 9 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))>
2.876 * [simplify]: Simplifying (-.p16 d4 d1)
2.876 * * [simplify]: iters left: 1 (3 enodes)
2.878 * * [simplify]: Extracting #0: cost 1 inf + 0
2.878 * * [simplify]: Extracting #1: cost 6 inf + 0
2.878 * * [simplify]: Extracting #2: cost 5 inf + 44
2.878 * * [simplify]: Extracting #3: cost 0 inf + 1571
2.878 * [simplify]: Simplified to (-.p16 d4 d1)
2.878 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))
2.878 * * * * [progress]: [ 10 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))>
2.879 * [simplify]: Simplifying (-.p16 d4 d1)
2.879 * * [simplify]: iters left: 1 (3 enodes)
2.880 * * [simplify]: Extracting #0: cost 1 inf + 0
2.880 * * [simplify]: Extracting #1: cost 6 inf + 0
2.880 * * [simplify]: Extracting #2: cost 5 inf + 44
2.880 * * [simplify]: Extracting #3: cost 0 inf + 1571
2.881 * [simplify]: Simplified to (-.p16 d4 d1)
2.881 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))
2.881 * * * [progress]: adding candidates to table
3.169 * [progress]: [Phase 3 of 3] Extracting.
3.169 * * [regime]: Finding splitpoints for: (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 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 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.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 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))>)
3.170 * * * [regime-changes]: Trying 4 branch expressions: (d4 d3 d2 d1)
3.170 * * * * [regimes]: Trying to branch on d4 from (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 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 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.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 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))>)
3.369 * * * * [regimes]: Trying to branch on d3 from (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 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 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.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 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))>)
3.501 * * * * [regimes]: Trying to branch on d2 from (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 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 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.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 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))>)
3.653 * * * * [regimes]: Trying to branch on d1 from (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 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 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.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 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1)))))>)
3.860 * * * [regime]: Found split indices: #<option (#s(si 0 256))>
3.860 * [simplify]: Simplifying (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1))))
3.861 * * [simplify]: iters left: 4 (9 enodes)
3.861 * * [simplify]: Extracting #0: cost 1 inf + 0
3.861 * * [simplify]: Extracting #1: cost 3 inf + 0
3.861 * * [simplify]: Extracting #2: cost 4 inf + 1
3.861 * * [simplify]: Extracting #3: cost 5 inf + 2
3.861 * * [simplify]: Extracting #4: cost 7 inf + 2
3.862 * * [simplify]: Extracting #5: cost 0 inf + 1178
3.862 * [simplify]: Simplified to (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1))))
3.862 * * * * [points]: Sampling 8000 additional inputs, on iter 0 have 0 / 8000
3.939 * * * * [points]: Computing exacts on every 500 of 8000 points to ramp up precision
3.940 * * * * [points]: Setting MPFR precision to 64
3.941 * * * * [points]: Setting MPFR precision to 320
3.942 * * * * [points]: Computing exacts on every 250 of 8000 points to ramp up precision
3.943 * * * * [points]: Setting MPFR precision to 64
3.945 * * * * [points]: Setting MPFR precision to 320
3.948 * * * * [points]: Computing exacts on every 125 of 8000 points to ramp up precision
3.949 * * * * [points]: Setting MPFR precision to 64
3.953 * * * * [points]: Setting MPFR precision to 320
3.958 * * * * [points]: Computing exacts on every 62 of 8000 points to ramp up precision
3.959 * * * * [points]: Setting MPFR precision to 64
3.967 * * * * [points]: Setting MPFR precision to 320
3.976 * * * * [points]: Computing exacts on every 31 of 8000 points to ramp up precision
3.978 * * * * [points]: Setting MPFR precision to 64
3.996 * * * * [points]: Setting MPFR precision to 320
4.025 * * * * [points]: Computing exacts on every 15 of 8000 points to ramp up precision
4.027 * * * * [points]: Setting MPFR precision to 64
4.102 * * * * [points]: Setting MPFR precision to 320
4.145 * * * * [points]: Computing exacts on every 7 of 8000 points to ramp up precision
4.146 * * * * [points]: Setting MPFR precision to 64
4.267 * * * * [points]: Setting MPFR precision to 320
4.416 * * * * [points]: Computing exacts on every 3 of 8000 points to ramp up precision
4.419 * * * * [points]: Setting MPFR precision to 64
4.713 * * * * [points]: Setting MPFR precision to 320
5.344 * * * * [points]: Computing exacts for 8000 points
5.345 * * * * [points]: Setting MPFR precision to 64
6.244 * * * * [points]: Setting MPFR precision to 320
7.133 * * * * [points]: Filtering points with unrepresentable outputs
7.157 * * * * [points]: Sampled 8000 points with exact outputs
9.407 * [regime-testing]: Baseline error score: 64.0
9.411 * [regime-testing]: Oracle error score: 64.0
9.421 * [regime-testing]: End program error score: 0.38963693478817224