0.002 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.003 * * * * [points]: Sampling 256 additional inputs, on iter 0 have 0 / 256
0.005 * * * * [points]: Computing exacts on every 16 of 256 points to ramp up precision
0.007 * * * * [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
0.022 * * * * [points]: Setting MPFR precision to 320
0.026 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision
0.028 * * * * [points]: Setting MPFR precision to 64
0.035 * * * * [points]: Setting MPFR precision to 320
0.042 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision
0.045 * * * * [points]: Setting MPFR precision to 64
0.057 * * * * [points]: Setting MPFR precision to 320
0.067 * * * * [points]: Computing exacts for 256 points
0.070 * * * * [points]: Setting MPFR precision to 64
0.103 * * * * [points]: Setting MPFR precision to 320
0.136 * * * * [points]: Filtering points with unrepresentable outputs
0.138 * * * * [points]: Sampled 256 points with exact outputs
0.138 * * * [progress]: [2/2] Setting up program.
0.149 * [progress]: [Phase 2 of 3] Improving.
0.149 * * * * [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)))>
0.150 * [simplify]: Simplifying (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1))
0.150 * * [simplify]: iters left: 4 (11 enodes)
0.155 * * [simplify]: iters left: 3 (43 enodes)
0.173 * * [simplify]: iters left: 2 (148 enodes)
0.289 * * [simplify]: Extracting #0: cost 1 inf + 0
0.289 * * [simplify]: Extracting #1: cost 40 inf + 0
0.290 * * [simplify]: Extracting #2: cost 128 inf + 322
0.291 * * [simplify]: Extracting #3: cost 222 inf + 10234
0.298 * * [simplify]: Extracting #4: cost 153 inf + 124713
0.316 * * [simplify]: Extracting #5: cost 28 inf + 253727
0.338 * * [simplify]: Extracting #6: cost 1 inf + 271088
0.359 * * [simplify]: Extracting #7: cost 0 inf + 269810
0.385 * * [simplify]: Extracting #8: cost 0 inf + 269170
0.403 * [simplify]: Simplified to (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.403 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
0.426 * * [progress]: iteration 1 / 4
0.426 * * * [progress]: picking best candidate
0.446 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.446 * * * [progress]: localizing error
0.610 * * * [progress]: generating rewritten candidates
0.610 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.624 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.636 * * * [progress]: generating series expansions
0.636 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.637 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.637 * * * [progress]: simplifying candidates
0.637 * * * * [progress]: [ 1 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))>
0.637 * [simplify]: Simplifying (neg.p16 d1)
0.637 * * [simplify]: iters left: 1 (2 enodes)
0.638 * * [simplify]: Extracting #0: cost 1 inf + 0
0.638 * * [simplify]: Extracting #1: cost 2 inf + 0
0.638 * * [simplify]: Extracting #2: cost 1 inf + 1
0.638 * * [simplify]: Extracting #3: cost 0 inf + 82
0.638 * [simplify]: Simplified to (neg.p16 d1)
0.638 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))
0.638 * * * * [progress]: [ 2 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
0.638 * * * * [progress]: [ 3 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
0.638 * * * * [progress]: [ 4 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
0.638 * * * * [progress]: [ 5 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d4 d1) (-.p16 d2 d3))))>
0.638 * * * * [progress]: [ 6 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
0.639 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
0.639 * * [simplify]: iters left: 2 (4 enodes)
0.641 * * [simplify]: iters left: 1 (16 enodes)
0.646 * * [simplify]: Extracting #0: cost 1 inf + 0
0.646 * * [simplify]: Extracting #1: cost 10 inf + 0
0.646 * * [simplify]: Extracting #2: cost 12 inf + 1
0.646 * * [simplify]: Extracting #3: cost 11 inf + 1249
0.647 * * [simplify]: Extracting #4: cost 6 inf + 3901
0.647 * * [simplify]: Extracting #5: cost 1 inf + 7028
0.648 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.648 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
0.648 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
0.648 * * * * [progress]: [ 7 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
0.649 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
0.649 * * [simplify]: iters left: 2 (4 enodes)
0.649 * * [simplify]: iters left: 1 (16 enodes)
0.652 * * [simplify]: Extracting #0: cost 1 inf + 0
0.652 * * [simplify]: Extracting #1: cost 10 inf + 0
0.652 * * [simplify]: Extracting #2: cost 12 inf + 1
0.652 * * [simplify]: Extracting #3: cost 13 inf + 885
0.652 * * [simplify]: Extracting #4: cost 8 inf + 2697
0.653 * * [simplify]: Extracting #5: cost 2 inf + 6266
0.653 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.653 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
0.653 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
0.653 * * * * [progress]: [ 8 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))>
0.653 * * * * [progress]: [ 9 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.653 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.653 * * [simplify]: iters left: 3 (8 enodes)
0.655 * * [simplify]: iters left: 2 (42 enodes)
0.663 * * [simplify]: iters left: 1 (117 enodes)
0.695 * * [simplify]: Extracting #0: cost 1 inf + 0
0.695 * * [simplify]: Extracting #1: cost 24 inf + 0
0.695 * * [simplify]: Extracting #2: cost 56 inf + 1
0.696 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.697 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.702 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.706 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.710 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.714 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.714 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.714 * * * * [progress]: [ 10 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.714 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.714 * * [simplify]: iters left: 3 (8 enodes)
0.717 * * [simplify]: iters left: 2 (42 enodes)
0.726 * * [simplify]: iters left: 1 (117 enodes)
0.774 * * [simplify]: Extracting #0: cost 1 inf + 0
0.774 * * [simplify]: Extracting #1: cost 24 inf + 0
0.775 * * [simplify]: Extracting #2: cost 56 inf + 1
0.775 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.778 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.782 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.787 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.792 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.796 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.796 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.796 * * * [progress]: adding candidates to table
0.955 * * [progress]: iteration 2 / 4
0.955 * * * [progress]: picking best candidate
0.996 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
0.996 * * * [progress]: localizing error
1.141 * * * [progress]: generating rewritten candidates
1.141 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
1.147 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 2)
1.151 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
1.154 * * * [progress]: generating series expansions
1.154 * * * * [progress]: [ 1 / 3 ] generating series at (2)
1.154 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 2)
1.154 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
1.154 * * * [progress]: simplifying candidates
1.154 * * * * [progress]: [ 1 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
1.155 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
1.155 * * [simplify]: iters left: 2 (4 enodes)
1.157 * * [simplify]: iters left: 1 (16 enodes)
1.162 * * [simplify]: Extracting #0: cost 1 inf + 0
1.162 * * [simplify]: Extracting #1: cost 10 inf + 0
1.163 * * [simplify]: Extracting #2: cost 12 inf + 1
1.163 * * [simplify]: Extracting #3: cost 11 inf + 1249
1.163 * * [simplify]: Extracting #4: cost 6 inf + 3901
1.164 * * [simplify]: Extracting #5: cost 1 inf + 7028
1.164 * * [simplify]: Extracting #6: cost 0 inf + 8390
1.165 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
1.165 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
1.165 * * * * [progress]: [ 2 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))))>
1.165 * [simplify]: Simplifying (*.p16 d1 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))
1.165 * * [simplify]: iters left: 4 (7 enodes)
1.168 * * [simplify]: iters left: 3 (30 enodes)
1.179 * * [simplify]: iters left: 2 (69 enodes)
1.208 * * [simplify]: iters left: 1 (247 enodes)
1.357 * * [simplify]: Extracting #0: cost 1 inf + 0
1.358 * * [simplify]: Extracting #1: cost 3 inf + 0
1.358 * * [simplify]: Extracting #2: cost 3 inf + 1
1.358 * * [simplify]: Extracting #3: cost 37 inf + 1
1.358 * * [simplify]: Extracting #4: cost 169 inf + 571
1.360 * * [simplify]: Extracting #5: cost 315 inf + 23094
1.376 * * [simplify]: Extracting #6: cost 214 inf + 199639
1.393 * * [simplify]: Extracting #7: cost 28 inf + 439637
1.426 * * [simplify]: Extracting #8: cost 0 inf + 479601
1.463 * [simplify]: Simplified to (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))
1.463 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))
1.463 * * * * [progress]: [ 3 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
1.463 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
1.463 * * [simplify]: iters left: 2 (4 enodes)
1.464 * * [simplify]: iters left: 1 (16 enodes)
1.467 * * [simplify]: Extracting #0: cost 1 inf + 0
1.467 * * [simplify]: Extracting #1: cost 10 inf + 0
1.467 * * [simplify]: Extracting #2: cost 12 inf + 1
1.467 * * [simplify]: Extracting #3: cost 13 inf + 885
1.467 * * [simplify]: Extracting #4: cost 8 inf + 2697
1.467 * * [simplify]: Extracting #5: cost 2 inf + 6266
1.468 * * [simplify]: Extracting #6: cost 0 inf + 8390
1.468 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
1.468 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
1.468 * * * * [progress]: [ 4 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (neg.p16 (-.p16 d3 (-.p16 d4 d1))) d1)))>
1.468 * [simplify]: Simplifying (*.p16 (neg.p16 (-.p16 d3 (-.p16 d4 d1))) d1)
1.468 * * [simplify]: iters left: 4 (7 enodes)
1.470 * * [simplify]: iters left: 3 (30 enodes)
1.475 * * [simplify]: iters left: 2 (69 enodes)
1.490 * * [simplify]: iters left: 1 (247 enodes)
1.613 * * [simplify]: Extracting #0: cost 1 inf + 0
1.614 * * [simplify]: Extracting #1: cost 3 inf + 0
1.614 * * [simplify]: Extracting #2: cost 3 inf + 1
1.614 * * [simplify]: Extracting #3: cost 37 inf + 1
1.615 * * [simplify]: Extracting #4: cost 170 inf + 449
1.617 * * [simplify]: Extracting #5: cost 322 inf + 18638
1.624 * * [simplify]: Extracting #6: cost 278 inf + 125122
1.640 * * [simplify]: Extracting #7: cost 38 inf + 422646
1.659 * * [simplify]: Extracting #8: cost 1 inf + 477317
1.696 * * [simplify]: Extracting #9: cost 0 inf + 479879
1.716 * [simplify]: Simplified to (*.p16 d1 (neg.p16 (-.p16 (+.p16 d1 d3) d4)))
1.716 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d1 d3) d4)))))
1.716 * * * * [progress]: [ 5 / 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)))))>
1.716 * [simplify]: Simplifying (+.p16 d2 (-.p16 d3 (-.p16 d4 d1)))
1.717 * * [simplify]: iters left: 3 (7 enodes)
1.718 * * [simplify]: iters left: 2 (34 enodes)
1.724 * * [simplify]: iters left: 1 (90 enodes)
1.760 * * [simplify]: Extracting #0: cost 1 inf + 0
1.761 * * [simplify]: Extracting #1: cost 22 inf + 0
1.761 * * [simplify]: Extracting #2: cost 52 inf + 167
1.761 * * [simplify]: Extracting #3: cost 73 inf + 7807
1.763 * * [simplify]: Extracting #4: cost 49 inf + 32248
1.766 * * [simplify]: Extracting #5: cost 5 inf + 71213
1.770 * * [simplify]: Extracting #6: cost 0 inf + 79303
1.773 * [simplify]: Simplified to (+.p16 (+.p16 d2 d1) (-.p16 d3 d4))
1.773 * [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))))
1.773 * * * * [progress]: [ 6 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1))) d1))>
1.773 * * * * [progress]: [ 7 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 (-.p16 d3 d4) (neg.p16 d1)))))>
1.774 * [simplify]: Simplifying (neg.p16 d1)
1.774 * * [simplify]: iters left: 1 (2 enodes)
1.774 * * [simplify]: Extracting #0: cost 1 inf + 0
1.774 * * [simplify]: Extracting #1: cost 2 inf + 0
1.774 * * [simplify]: Extracting #2: cost 1 inf + 1
1.774 * * [simplify]: Extracting #3: cost 0 inf + 82
1.774 * [simplify]: Simplified to (neg.p16 d1)
1.774 * [simplify]: Simplified (2 2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 (-.p16 d3 d4) (neg.p16 d1)))))
1.774 * * * * [progress]: [ 8 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
1.774 * * * * [progress]: [ 9 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 d3 (neg.p16 (-.p16 d4 d1))))))>
1.774 * * * * [progress]: [ 10 / 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))))))>
1.774 * * * * [progress]: [ 11 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
1.774 * * * * [progress]: [ 12 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 d3) (neg.p16 (-.p16 d4 d1)))))>
1.774 * [simplify]: Simplifying (neg.p16 (-.p16 d4 d1))
1.774 * * [simplify]: iters left: 2 (4 enodes)
1.775 * * [simplify]: iters left: 1 (15 enodes)
1.778 * * [simplify]: Extracting #0: cost 1 inf + 0
1.778 * * [simplify]: Extracting #1: cost 2 inf + 0
1.778 * * [simplify]: Extracting #2: cost 7 inf + 0
1.778 * * [simplify]: Extracting #3: cost 9 inf + 83
1.779 * * [simplify]: Extracting #4: cost 4 inf + 2134
1.779 * * [simplify]: Extracting #5: cost 0 inf + 5180
1.779 * [simplify]: Simplified to (neg.p16 (-.p16 d4 d1))
1.779 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 d3) (neg.p16 (-.p16 d4 d1)))))
1.779 * * * * [progress]: [ 13 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
1.779 * [simplify]: Simplifying (-.p16 d4 d1)
1.779 * * [simplify]: iters left: 1 (3 enodes)
1.780 * * [simplify]: Extracting #0: cost 1 inf + 0
1.780 * * [simplify]: Extracting #1: cost 6 inf + 0
1.780 * * [simplify]: Extracting #2: cost 5 inf + 44
1.780 * * [simplify]: Extracting #3: cost 0 inf + 1571
1.780 * [simplify]: Simplified to (-.p16 d4 d1)
1.780 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
1.780 * * * * [progress]: [ 14 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))))>
1.780 * * * * [progress]: [ 15 / 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))))))>
1.780 * * * * [progress]: [ 16 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.780 * * * * [progress]: [ 17 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.780 * * * * [progress]: [ 18 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.780 * * * [progress]: adding candidates to table
2.198 * * [progress]: iteration 3 / 4
2.198 * * * [progress]: picking best candidate
2.272 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
2.272 * * * [progress]: localizing error
2.371 * * * [progress]: generating rewritten candidates
2.371 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2 2)
2.383 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
2.390 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
2.395 * * * [progress]: generating series expansions
2.395 * * * * [progress]: [ 1 / 3 ] generating series at (2 2 2)
2.395 * * * * [progress]: [ 2 / 3 ] generating series at (2)
2.395 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
2.395 * * * [progress]: simplifying candidates
2.395 * * * * [progress]: [ 1 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 d3 (+.p16 (neg.p16 d4) d1)))))>
2.395 * * * * [progress]: [ 2 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
2.395 * * * * [progress]: [ 3 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 d1 (-.p16 d3 d4)))))>
2.395 * * * * [progress]: [ 4 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
2.395 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
2.395 * * [simplify]: iters left: 2 (4 enodes)
2.398 * * [simplify]: iters left: 1 (16 enodes)
2.403 * * [simplify]: Extracting #0: cost 1 inf + 0
2.403 * * [simplify]: Extracting #1: cost 10 inf + 0
2.403 * * [simplify]: Extracting #2: cost 12 inf + 1
2.403 * * [simplify]: Extracting #3: cost 11 inf + 1249
2.404 * * [simplify]: Extracting #4: cost 6 inf + 3901
2.404 * * [simplify]: Extracting #5: cost 1 inf + 7028
2.405 * * [simplify]: Extracting #6: cost 0 inf + 8390
2.405 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
2.405 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
2.405 * * * * [progress]: [ 5 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (+.p16 (-.p16 d3 d4) d1)))))>
2.406 * [simplify]: Simplifying (*.p16 d1 (neg.p16 (+.p16 (-.p16 d3 d4) d1)))
2.406 * * [simplify]: iters left: 4 (7 enodes)
2.409 * * [simplify]: iters left: 3 (24 enodes)
2.416 * * [simplify]: iters left: 2 (51 enodes)
2.434 * * [simplify]: iters left: 1 (120 enodes)
2.484 * * [simplify]: Extracting #0: cost 1 inf + 0
2.484 * * [simplify]: Extracting #1: cost 3 inf + 0
2.484 * * [simplify]: Extracting #2: cost 3 inf + 1
2.484 * * [simplify]: Extracting #3: cost 24 inf + 1
2.484 * * [simplify]: Extracting #4: cost 69 inf + 491
2.485 * * [simplify]: Extracting #5: cost 92 inf + 17146
2.488 * * [simplify]: Extracting #6: cost 53 inf + 72859
2.493 * * [simplify]: Extracting #7: cost 10 inf + 127073
2.502 * * [simplify]: Extracting #8: cost 0 inf + 139724
2.509 * [simplify]: Simplified to (*.p16 d1 (neg.p16 (+.p16 d1 (-.p16 d3 d4))))
2.509 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (+.p16 d1 (-.p16 d3 d4))))))
2.509 * * * * [progress]: [ 6 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
2.509 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
2.509 * * [simplify]: iters left: 2 (4 enodes)
2.510 * * [simplify]: iters left: 1 (16 enodes)
2.513 * * [simplify]: Extracting #0: cost 1 inf + 0
2.513 * * [simplify]: Extracting #1: cost 10 inf + 0
2.513 * * [simplify]: Extracting #2: cost 12 inf + 1
2.513 * * [simplify]: Extracting #3: cost 13 inf + 885
2.513 * * [simplify]: Extracting #4: cost 8 inf + 2697
2.513 * * [simplify]: Extracting #5: cost 2 inf + 6266
2.513 * * [simplify]: Extracting #6: cost 0 inf + 8390
2.514 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
2.514 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
2.514 * * * * [progress]: [ 7 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (neg.p16 (+.p16 (-.p16 d3 d4) d1)) d1)))>
2.514 * [simplify]: Simplifying (*.p16 (neg.p16 (+.p16 (-.p16 d3 d4) d1)) d1)
2.514 * * [simplify]: iters left: 4 (7 enodes)
2.515 * * [simplify]: iters left: 3 (24 enodes)
2.519 * * [simplify]: iters left: 2 (51 enodes)
2.529 * * [simplify]: iters left: 1 (120 enodes)
2.563 * * [simplify]: Extracting #0: cost 1 inf + 0
2.563 * * [simplify]: Extracting #1: cost 3 inf + 0
2.563 * * [simplify]: Extracting #2: cost 3 inf + 1
2.563 * * [simplify]: Extracting #3: cost 24 inf + 1
2.563 * * [simplify]: Extracting #4: cost 71 inf + 207
2.564 * * [simplify]: Extracting #5: cost 93 inf + 16907
2.566 * * [simplify]: Extracting #6: cost 61 inf + 66401
2.573 * * [simplify]: Extracting #7: cost 15 inf + 121180
2.581 * * [simplify]: Extracting #8: cost 0 inf + 140604
2.590 * [simplify]: Simplified to (*.p16 (neg.p16 (+.p16 d3 (-.p16 d1 d4))) d1)
2.590 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (neg.p16 (+.p16 d3 (-.p16 d1 d4))) d1)))
2.591 * * * * [progress]: [ 8 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (+.p16 (-.p16 d3 d4) d1) (+.p16 (-.p16 d3 d4) d1)))) (+.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
2.591 * [simplify]: Simplifying (+.p16 d2 (+.p16 (-.p16 d3 d4) d1))
2.591 * * [simplify]: iters left: 3 (7 enodes)
2.594 * * [simplify]: iters left: 2 (28 enodes)
2.602 * * [simplify]: iters left: 1 (67 enodes)
2.617 * * [simplify]: Extracting #0: cost 1 inf + 0
2.617 * * [simplify]: Extracting #1: cost 31 inf + 0
2.617 * * [simplify]: Extracting #2: cost 42 inf + 575
2.618 * * [simplify]: Extracting #3: cost 39 inf + 6292
2.619 * * [simplify]: Extracting #4: cost 20 inf + 18789
2.620 * * [simplify]: Extracting #5: cost 2 inf + 33577
2.622 * * [simplify]: Extracting #6: cost 0 inf + 37022
2.625 * [simplify]: Simplified to (+.p16 d2 (-.p16 (+.p16 d1 d3) d4))
2.626 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (+.p16 (-.p16 d3 d4) d1) (+.p16 (-.p16 d3 d4) d1)))) (+.p16 d2 (-.p16 (+.p16 d1 d3) d4))))
2.626 * * * * [progress]: [ 9 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1)) d1))>
2.626 * * * * [progress]: [ 10 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
2.626 * * * * [progress]: [ 11 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
2.626 * [simplify]: Simplifying (-.p16 d4 d1)
2.626 * * [simplify]: iters left: 1 (3 enodes)
2.627 * * [simplify]: Extracting #0: cost 1 inf + 0
2.627 * * [simplify]: Extracting #1: cost 6 inf + 0
2.627 * * [simplify]: Extracting #2: cost 5 inf + 44
2.628 * * [simplify]: Extracting #3: cost 0 inf + 1571
2.628 * [simplify]: Simplified to (-.p16 d4 d1)
2.628 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
2.628 * * * * [progress]: [ 12 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (neg.p16 (+.p16 (-.p16 d3 d4) d1)))))>
2.628 * * * * [progress]: [ 13 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (+.p16 (-.p16 d3 d4) d1) (+.p16 (-.p16 d3 d4) d1))) (+.p16 d2 (+.p16 (-.p16 d3 d4) d1)))))>
2.628 * * * * [progress]: [ 14 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
2.628 * * * * [progress]: [ 15 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
2.628 * * * * [progress]: [ 16 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
2.628 * * * [progress]: adding candidates to table
2.901 * * [progress]: iteration 4 / 4
2.902 * * * [progress]: picking best candidate
2.942 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
2.942 * * * [progress]: localizing error
3.022 * * * [progress]: generating rewritten candidates
3.022 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
3.028 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
3.032 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 1)
3.035 * * * [progress]: generating series expansions
3.035 * * * * [progress]: [ 1 / 3 ] generating series at (2)
3.035 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
3.035 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 1)
3.035 * * * [progress]: simplifying candidates
3.035 * * * * [progress]: [ 1 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
3.035 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
3.036 * * [simplify]: iters left: 2 (4 enodes)
3.037 * * [simplify]: iters left: 1 (16 enodes)
3.042 * * [simplify]: Extracting #0: cost 1 inf + 0
3.042 * * [simplify]: Extracting #1: cost 10 inf + 0
3.042 * * [simplify]: Extracting #2: cost 12 inf + 1
3.042 * * [simplify]: Extracting #3: cost 11 inf + 1249
3.043 * * [simplify]: Extracting #4: cost 6 inf + 3901
3.043 * * [simplify]: Extracting #5: cost 1 inf + 7028
3.044 * * [simplify]: Extracting #6: cost 0 inf + 8390
3.044 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
3.044 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
3.044 * * * * [progress]: [ 2 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 (neg.p16 (-.p16 d3 d4)) d1))))>
3.044 * [simplify]: Simplifying (*.p16 d1 (-.p16 (neg.p16 (-.p16 d3 d4)) d1))
3.044 * * [simplify]: iters left: 4 (7 enodes)
3.047 * * [simplify]: iters left: 3 (28 enodes)
3.055 * * [simplify]: iters left: 2 (58 enodes)
3.074 * * [simplify]: iters left: 1 (145 enodes)
3.127 * * [simplify]: Extracting #0: cost 1 inf + 0
3.127 * * [simplify]: Extracting #1: cost 19 inf + 0
3.127 * * [simplify]: Extracting #2: cost 107 inf + 1
3.128 * * [simplify]: Extracting #3: cost 117 inf + 2261
3.129 * * [simplify]: Extracting #4: cost 128 inf + 26600
3.133 * * [simplify]: Extracting #5: cost 67 inf + 107066
3.141 * * [simplify]: Extracting #6: cost 27 inf + 173100
3.151 * * [simplify]: Extracting #7: cost 0 inf + 215268
3.161 * * [simplify]: Extracting #8: cost 0 inf + 214708
3.170 * [simplify]: Simplified to (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))
3.170 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))))
3.170 * * * * [progress]: [ 3 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 (-.p16 d3 d4))) (*.p16 d1 (neg.p16 d1))))>
3.170 * [simplify]: Simplifying (*.p16 d1 (neg.p16 d1))
3.170 * * [simplify]: iters left: 2 (3 enodes)
3.171 * * [simplify]: iters left: 1 (6 enodes)
3.171 * * [simplify]: Extracting #0: cost 1 inf + 0
3.171 * * [simplify]: Extracting #1: cost 3 inf + 0
3.171 * * [simplify]: Extracting #2: cost 2 inf + 1
3.171 * * [simplify]: Extracting #3: cost 0 inf + 483
3.172 * [simplify]: Simplified to (*.p16 (neg.p16 d1) d1)
3.172 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 (-.p16 d3 d4))) (*.p16 (neg.p16 d1) d1)))
3.172 * * * * [progress]: [ 4 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
3.172 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
3.172 * * [simplify]: iters left: 2 (4 enodes)
3.173 * * [simplify]: iters left: 1 (16 enodes)
3.175 * * [simplify]: Extracting #0: cost 1 inf + 0
3.175 * * [simplify]: Extracting #1: cost 10 inf + 0
3.175 * * [simplify]: Extracting #2: cost 12 inf + 1
3.175 * * [simplify]: Extracting #3: cost 13 inf + 885
3.176 * * [simplify]: Extracting #4: cost 8 inf + 2697
3.176 * * [simplify]: Extracting #5: cost 2 inf + 6266
3.176 * * [simplify]: Extracting #6: cost 0 inf + 8390
3.176 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
3.176 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
3.176 * * * * [progress]: [ 5 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (-.p16 (neg.p16 (-.p16 d3 d4)) d1) d1)))>
3.176 * [simplify]: Simplifying (*.p16 (-.p16 (neg.p16 (-.p16 d3 d4)) d1) d1)
3.177 * * [simplify]: iters left: 4 (7 enodes)
3.178 * * [simplify]: iters left: 3 (28 enodes)
3.182 * * [simplify]: iters left: 2 (58 enodes)
3.195 * * [simplify]: iters left: 1 (145 enodes)
3.236 * * [simplify]: Extracting #0: cost 1 inf + 0
3.236 * * [simplify]: Extracting #1: cost 19 inf + 0
3.236 * * [simplify]: Extracting #2: cost 107 inf + 1
3.237 * * [simplify]: Extracting #3: cost 105 inf + 11537
3.239 * * [simplify]: Extracting #4: cost 110 inf + 43734
3.244 * * [simplify]: Extracting #5: cost 71 inf + 102658
3.250 * * [simplify]: Extracting #6: cost 40 inf + 155034
3.261 * * [simplify]: Extracting #7: cost 0 inf + 215428
3.274 * * [simplify]: Extracting #8: cost 0 inf + 214548
3.287 * [simplify]: Simplified to (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))
3.287 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))))
3.287 * * * * [progress]: [ 6 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 (-.p16 d3 d4)) d1) (*.p16 (neg.p16 d1) d1)))>
3.287 * [simplify]: Simplifying (*.p16 (neg.p16 d1) d1)
3.287 * * [simplify]: iters left: 2 (3 enodes)
3.288 * * [simplify]: iters left: 1 (6 enodes)
3.290 * * [simplify]: Extracting #0: cost 1 inf + 0
3.290 * * [simplify]: Extracting #1: cost 3 inf + 0
3.290 * * [simplify]: Extracting #2: cost 2 inf + 1
3.290 * * [simplify]: Extracting #3: cost 0 inf + 483
3.290 * [simplify]: Simplified to (*.p16 (neg.p16 d1) d1)
3.290 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 (-.p16 d3 d4)) d1) (*.p16 (neg.p16 d1) d1)))
3.290 * * * * [progress]: [ 7 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (-.p16 d2 (-.p16 d3 d4)) (-.p16 d2 (-.p16 d3 d4))) (*.p16 d1 d1))) (+.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
3.290 * [simplify]: Simplifying (+.p16 (-.p16 d2 (-.p16 d3 d4)) d1)
3.290 * * [simplify]: iters left: 3 (7 enodes)
3.293 * * [simplify]: iters left: 2 (34 enodes)
3.304 * * [simplify]: iters left: 1 (97 enodes)
3.345 * * [simplify]: Extracting #0: cost 1 inf + 0
3.345 * * [simplify]: Extracting #1: cost 22 inf + 0
3.345 * * [simplify]: Extracting #2: cost 46 inf + 735
3.346 * * [simplify]: Extracting #3: cost 76 inf + 8571
3.350 * * [simplify]: Extracting #4: cost 48 inf + 37106
3.354 * * [simplify]: Extracting #5: cost 12 inf + 71748
3.358 * * [simplify]: Extracting #6: cost 0 inf + 87414
3.361 * [simplify]: Simplified to (+.p16 (-.p16 d2 d3) (+.p16 d1 d4))
3.361 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (-.p16 d2 (-.p16 d3 d4)) (-.p16 d2 (-.p16 d3 d4))) (*.p16 d1 d1))) (+.p16 (-.p16 d2 d3) (+.p16 d1 d4))))
3.361 * * * * [progress]: [ 8 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1) d1))>
3.361 * * * * [progress]: [ 9 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
3.362 * [simplify]: Simplifying (-.p16 d2 d3)
3.362 * * [simplify]: iters left: 1 (3 enodes)
3.362 * * [simplify]: Extracting #0: cost 1 inf + 0
3.362 * * [simplify]: Extracting #1: cost 6 inf + 0
3.362 * * [simplify]: Extracting #2: cost 5 inf + 44
3.363 * * [simplify]: Extracting #3: cost 0 inf + 1571
3.363 * [simplify]: Simplified to (-.p16 d2 d3)
3.363 * [simplify]: Simplified (2 2 1) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
3.363 * * * * [progress]: [ 10 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (neg.p16 (-.p16 d3 d4)) d1))))>
3.363 * * * * [progress]: [ 11 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
3.363 * * * * [progress]: [ 12 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 (-.p16 d3 d4)) (neg.p16 d1))))>
3.363 * * * * [progress]: [ 13 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 (-.p16 d2 (-.p16 d3 d4)) (-.p16 d2 (-.p16 d3 d4))) (*.p16 d1 d1)) (+.p16 (-.p16 d2 (-.p16 d3 d4)) d1))))>
3.363 * * * * [progress]: [ 14 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 (-.p16 d2 d3) (neg.p16 d4)) d1)))>
3.363 * [simplify]: Simplifying (neg.p16 d4)
3.363 * * [simplify]: iters left: 1 (2 enodes)
3.363 * * [simplify]: Extracting #0: cost 1 inf + 0
3.363 * * [simplify]: Extracting #1: cost 2 inf + 0
3.363 * * [simplify]: Extracting #2: cost 1 inf + 1
3.363 * * [simplify]: Extracting #3: cost 0 inf + 82
3.364 * [simplify]: Simplified to (neg.p16 d4)
3.364 * [simplify]: Simplified (2 2 1 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 (-.p16 d2 d3) (neg.p16 d4)) d1)))
3.364 * * * * [progress]: [ 15 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
3.364 * * * * [progress]: [ 16 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (neg.p16 (-.p16 d3 d4))) d1)))>
3.364 * * * * [progress]: [ 17 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 d4) (-.p16 d3 d4))) (+.p16 d2 (-.p16 d3 d4))) d1)))>
3.364 * * * * [progress]: [ 18 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
3.364 * * * * [progress]: [ 19 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
3.364 * * * * [progress]: [ 20 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
3.364 * * * [progress]: adding candidates to table
3.716 * [progress]: [Phase 3 of 3] Extracting.
3.716 * * [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 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 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 (*.p16 d1 (-.p16 d2 (-.p16 d3 d4))) (*.p16 d1 (neg.p16 d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>)
3.717 * * * [regime-changes]: Trying 4 branch expressions: (d4 d3 d2 d1)
3.717 * * * * [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 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 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 (*.p16 d1 (-.p16 d2 (-.p16 d3 d4))) (*.p16 d1 (neg.p16 d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>)
3.848 * * * * [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 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 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 (*.p16 d1 (-.p16 d2 (-.p16 d3 d4))) (*.p16 d1 (neg.p16 d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>)
3.999 * * * * [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 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 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 (*.p16 d1 (-.p16 d2 (-.p16 d3 d4))) (*.p16 d1 (neg.p16 d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>)
4.134 * * * * [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 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 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 (*.p16 d1 (-.p16 d2 (-.p16 d3 d4))) (*.p16 d1 (neg.p16 d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>)
4.260 * * * [regime]: Found split indices: #<option (#s(si 3 256))>
4.261 * [simplify]: Simplifying (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1)))
4.261 * * [simplify]: iters left: 4 (8 enodes)
4.261 * * [simplify]: Extracting #0: cost 1 inf + 0
4.261 * * [simplify]: Extracting #1: cost 3 inf + 0
4.261 * * [simplify]: Extracting #2: cost 4 inf + 1
4.261 * * [simplify]: Extracting #3: cost 4 inf + 2
4.261 * * [simplify]: Extracting #4: cost 6 inf + 2
4.261 * * [simplify]: Extracting #5: cost 0 inf + 937
4.261 * [simplify]: Simplified to (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1)))
4.261 * * * * [points]: Sampling 8000 additional inputs, on iter 0 have 0 / 8000
4.332 * * * * [points]: Computing exacts on every 500 of 8000 points to ramp up precision
4.334 * * * * [points]: Setting MPFR precision to 64
4.336 * * * * [points]: Setting MPFR precision to 320
4.338 * * * * [points]: Computing exacts on every 250 of 8000 points to ramp up precision
4.340 * * * * [points]: Setting MPFR precision to 64
4.343 * * * * [points]: Setting MPFR precision to 320
4.347 * * * * [points]: Computing exacts on every 125 of 8000 points to ramp up precision
4.348 * * * * [points]: Setting MPFR precision to 64
4.355 * * * * [points]: Setting MPFR precision to 320
4.362 * * * * [points]: Computing exacts on every 62 of 8000 points to ramp up precision
4.364 * * * * [points]: Setting MPFR precision to 64
4.378 * * * * [points]: Setting MPFR precision to 320
4.392 * * * * [points]: Computing exacts on every 31 of 8000 points to ramp up precision
4.393 * * * * [points]: Setting MPFR precision to 64
4.421 * * * * [points]: Setting MPFR precision to 320
4.449 * * * * [points]: Computing exacts on every 15 of 8000 points to ramp up precision
4.451 * * * * [points]: Setting MPFR precision to 64
4.539 * * * * [points]: Setting MPFR precision to 320
4.576 * * * * [points]: Computing exacts on every 7 of 8000 points to ramp up precision
4.577 * * * * [points]: Setting MPFR precision to 64
4.669 * * * * [points]: Setting MPFR precision to 320
4.740 * * * * [points]: Computing exacts on every 3 of 8000 points to ramp up precision
4.741 * * * * [points]: Setting MPFR precision to 64
4.921 * * * * [points]: Setting MPFR precision to 320
5.117 * * * * [points]: Computing exacts for 8000 points
5.118 * * * * [points]: Setting MPFR precision to 64
6.284 * * * * [points]: Setting MPFR precision to 320
7.024 * * * * [points]: Filtering points with unrepresentable outputs
7.073 * * * * [points]: Sampled 8000 points with exact outputs
9.395 * [regime-testing]: Baseline error score: 64.0
9.399 * [regime-testing]: Oracle error score: 64.0
9.405 * [regime-testing]: End program error score: 0.39247917188433473