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
0.009 * * * * [points]: Computing exacts on every 16 of 256 points to ramp up precision
0.011 * * * * [points]: Setting MPFR precision to 64
0.014 * * * * [points]: Setting MPFR precision to 320
0.016 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision
0.018 * * * * [points]: Setting MPFR precision to 64
0.021 * * * * [points]: Setting MPFR precision to 320
0.025 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision
0.027 * * * * [points]: Setting MPFR precision to 64
0.033 * * * * [points]: Setting MPFR precision to 320
0.040 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision
0.042 * * * * [points]: Setting MPFR precision to 64
0.052 * * * * [points]: Setting MPFR precision to 320
0.063 * * * * [points]: Computing exacts for 256 points
0.065 * * * * [points]: Setting MPFR precision to 64
0.096 * * * * [points]: Setting MPFR precision to 320
0.125 * * * * [points]: Filtering points with unrepresentable outputs
0.126 * * * * [points]: Sampled 256 points with exact outputs
0.126 * * * [progress]: [2/2] Setting up program.
0.131 * [progress]: [Phase 2 of 3] Improving.
0.131 * * * * [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)))>
0.131 * [simplify]: Simplifying (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1))
0.132 * * [simplify]: iters left: 4 (11 enodes)
0.134 * * [simplify]: iters left: 3 (43 enodes)
0.143 * * [simplify]: iters left: 2 (148 enodes)
0.227 * * [simplify]: Extracting #0: cost 1 inf + 0
0.227 * * [simplify]: Extracting #1: cost 40 inf + 0
0.227 * * [simplify]: Extracting #2: cost 128 inf + 322
0.228 * * [simplify]: Extracting #3: cost 222 inf + 10234
0.231 * * [simplify]: Extracting #4: cost 153 inf + 124713
0.246 * * [simplify]: Extracting #5: cost 28 inf + 253727
0.261 * * [simplify]: Extracting #6: cost 1 inf + 271088
0.271 * * [simplify]: Extracting #7: cost 0 inf + 269810
0.285 * * [simplify]: Extracting #8: cost 0 inf + 269170
0.294 * [simplify]: Simplified to (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.294 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
0.304 * * [progress]: iteration 1 / 4
0.305 * * * [progress]: picking best candidate
0.314 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.314 * * * [progress]: localizing error
0.428 * * * [progress]: generating rewritten candidates
0.428 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.437 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.443 * * * [progress]: generating series expansions
0.443 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.443 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.443 * * * [progress]: simplifying candidates
0.443 * * * * [progress]: [ 1 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))>
0.443 * [simplify]: Simplifying (neg.p16 d1)
0.443 * * [simplify]: iters left: 1 (2 enodes)
0.444 * * [simplify]: Extracting #0: cost 1 inf + 0
0.444 * * [simplify]: Extracting #1: cost 2 inf + 0
0.444 * * [simplify]: Extracting #2: cost 1 inf + 1
0.444 * * [simplify]: Extracting #3: cost 0 inf + 82
0.444 * [simplify]: Simplified to (neg.p16 d1)
0.444 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))
0.444 * * * * [progress]: [ 2 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
0.444 * * * * [progress]: [ 3 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
0.444 * * * * [progress]: [ 4 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
0.444 * * * * [progress]: [ 5 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d4 d1) (-.p16 d2 d3))))>
0.444 * * * * [progress]: [ 6 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
0.444 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
0.444 * * [simplify]: iters left: 2 (4 enodes)
0.445 * * [simplify]: iters left: 1 (16 enodes)
0.448 * * [simplify]: Extracting #0: cost 1 inf + 0
0.448 * * [simplify]: Extracting #1: cost 10 inf + 0
0.448 * * [simplify]: Extracting #2: cost 12 inf + 1
0.448 * * [simplify]: Extracting #3: cost 11 inf + 1249
0.448 * * [simplify]: Extracting #4: cost 6 inf + 3901
0.448 * * [simplify]: Extracting #5: cost 1 inf + 7028
0.449 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.449 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
0.449 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
0.449 * * * * [progress]: [ 7 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
0.449 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
0.449 * * [simplify]: iters left: 2 (4 enodes)
0.450 * * [simplify]: iters left: 1 (16 enodes)
0.453 * * [simplify]: Extracting #0: cost 1 inf + 0
0.453 * * [simplify]: Extracting #1: cost 10 inf + 0
0.453 * * [simplify]: Extracting #2: cost 12 inf + 1
0.453 * * [simplify]: Extracting #3: cost 13 inf + 885
0.453 * * [simplify]: Extracting #4: cost 8 inf + 2697
0.453 * * [simplify]: Extracting #5: cost 2 inf + 6266
0.453 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.454 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
0.454 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
0.454 * * * * [progress]: [ 8 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))>
0.454 * * * * [progress]: [ 9 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.454 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.454 * * [simplify]: iters left: 3 (8 enodes)
0.456 * * [simplify]: iters left: 2 (42 enodes)
0.464 * * [simplify]: iters left: 1 (117 enodes)
0.490 * * [simplify]: Extracting #0: cost 1 inf + 0
0.490 * * [simplify]: Extracting #1: cost 24 inf + 0
0.490 * * [simplify]: Extracting #2: cost 56 inf + 1
0.490 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.494 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.497 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.504 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.512 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.520 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.520 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.520 * * * * [progress]: [ 10 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.520 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.520 * * [simplify]: iters left: 3 (8 enodes)
0.524 * * [simplify]: iters left: 2 (42 enodes)
0.537 * * [simplify]: iters left: 1 (117 enodes)
0.562 * * [simplify]: Extracting #0: cost 1 inf + 0
0.562 * * [simplify]: Extracting #1: cost 24 inf + 0
0.562 * * [simplify]: Extracting #2: cost 56 inf + 1
0.562 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.564 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.567 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.570 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.575 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.585 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.585 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.585 * * * [progress]: adding candidates to table
0.813 * * [progress]: iteration 2 / 4
0.814 * * * [progress]: picking best candidate
0.862 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
0.862 * * * [progress]: localizing error
1.070 * * * [progress]: generating rewritten candidates
1.070 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
1.079 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
1.089 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 2)
1.095 * * * [progress]: generating series expansions
1.095 * * * * [progress]: [ 1 / 3 ] generating series at (2)
1.096 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
1.096 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 2)
1.096 * * * [progress]: simplifying candidates
1.096 * * * * [progress]: [ 1 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.096 * [simplify]: Simplifying (*.p16 d1 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))
1.096 * * [simplify]: iters left: 3 (7 enodes)
1.099 * * [simplify]: iters left: 2 (30 enodes)
1.109 * * [simplify]: iters left: 1 (63 enodes)
1.133 * * [simplify]: Extracting #0: cost 1 inf + 0
1.133 * * [simplify]: Extracting #1: cost 14 inf + 0
1.133 * * [simplify]: Extracting #2: cost 31 inf + 1
1.134 * * [simplify]: Extracting #3: cost 48 inf + 935
1.135 * * [simplify]: Extracting #4: cost 28 inf + 12916
1.137 * * [simplify]: Extracting #5: cost 11 inf + 28880
1.147 * * [simplify]: Extracting #6: cost 1 inf + 38934
1.150 * * [simplify]: Extracting #7: cost 0 inf + 40776
1.153 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))
1.153 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))))
1.153 * * * * [progress]: [ 2 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (+.p16 (neg.p16 d3) (-.p16 d4 d1)) d1)))>
1.154 * [simplify]: Simplifying (*.p16 (+.p16 (neg.p16 d3) (-.p16 d4 d1)) d1)
1.154 * * [simplify]: iters left: 3 (7 enodes)
1.157 * * [simplify]: iters left: 2 (24 enodes)
1.165 * * [simplify]: iters left: 1 (53 enodes)
1.185 * * [simplify]: Extracting #0: cost 1 inf + 0
1.185 * * [simplify]: Extracting #1: cost 12 inf + 0
1.185 * * [simplify]: Extracting #2: cost 29 inf + 1
1.185 * * [simplify]: Extracting #3: cost 30 inf + 1661
1.186 * * [simplify]: Extracting #4: cost 29 inf + 7378
1.188 * * [simplify]: Extracting #5: cost 15 inf + 18416
1.191 * * [simplify]: Extracting #6: cost 1 inf + 30838
1.193 * * [simplify]: Extracting #7: cost 0 inf + 32840
1.195 * [simplify]: Simplified to (*.p16 (-.p16 d4 (+.p16 d1 d3)) d1)
1.195 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (-.p16 d4 (+.p16 d1 d3)) d1)))
1.195 * * * * [progress]: [ 3 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1))) d1))>
1.196 * * * * [progress]: [ 4 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))>
1.196 * [simplify]: Simplifying (-.p16 d4 d1)
1.196 * * [simplify]: iters left: 1 (3 enodes)
1.197 * * [simplify]: Extracting #0: cost 1 inf + 0
1.197 * * [simplify]: Extracting #1: cost 6 inf + 0
1.197 * * [simplify]: Extracting #2: cost 5 inf + 44
1.198 * * [simplify]: Extracting #3: cost 0 inf + 1571
1.198 * [simplify]: Simplified to (-.p16 d4 d1)
1.198 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 d2 (neg.p16 d3)) (-.p16 d4 d1))))
1.198 * * * * [progress]: [ 5 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))>
1.198 * * * * [progress]: [ 6 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (neg.p16 d3) (-.p16 d4 d1)) d2)))>
1.198 * * * * [progress]: [ 7 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (+.p16 (neg.p16 d3) d4) (neg.p16 d1)))))>
1.198 * [simplify]: Simplifying (neg.p16 d1)
1.198 * * [simplify]: iters left: 1 (2 enodes)
1.199 * * [simplify]: Extracting #0: cost 1 inf + 0
1.199 * * [simplify]: Extracting #1: cost 2 inf + 0
1.199 * * [simplify]: Extracting #2: cost 1 inf + 1
1.199 * * [simplify]: Extracting #3: cost 0 inf + 82
1.199 * [simplify]: Simplified to (neg.p16 d1)
1.199 * [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)))))
1.199 * * * * [progress]: [ 8 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (+.p16 (neg.p16 d3) d4) d1))))>
1.199 * * * * [progress]: [ 9 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (-.p16 d4 d1) (neg.p16 d3)))))>
1.199 * * * * [progress]: [ 10 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.200 * * * * [progress]: [ 11 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.200 * * * * [progress]: [ 12 / 12 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
1.200 * * * [progress]: adding candidates to table
1.616 * * [progress]: iteration 3 / 4
1.616 * * * [progress]: picking best candidate
1.656 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
1.656 * * * [progress]: localizing error
1.827 * * * [progress]: generating rewritten candidates
1.827 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
1.861 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
1.894 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 1)
1.904 * * * [progress]: generating series expansions
1.904 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)
1.904 * * * * [progress]: [ 2 / 3 ] generating series at (2)
1.904 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 1)
1.904 * * * [progress]: simplifying candidates
1.904 * * * * [progress]: [ 1 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
1.904 * [simplify]: Simplifying (-.p16 d2 d3)
1.904 * * [simplify]: iters left: 1 (3 enodes)
1.905 * * [simplify]: Extracting #0: cost 1 inf + 0
1.905 * * [simplify]: Extracting #1: cost 6 inf + 0
1.905 * * [simplify]: Extracting #2: cost 5 inf + 44
1.905 * * [simplify]: Extracting #3: cost 0 inf + 1571
1.905 * [simplify]: Simplified to (-.p16 d2 d3)
1.905 * [simplify]: Simplified (2 2 1) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
1.905 * * * * [progress]: [ 2 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
1.905 * * * * [progress]: [ 3 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))>
1.905 * * * * [progress]: [ 4 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1)) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1))))>
1.906 * * * * [progress]: [ 5 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
1.906 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
1.906 * * [simplify]: iters left: 2 (4 enodes)
1.907 * * [simplify]: iters left: 1 (16 enodes)
1.909 * * [simplify]: Extracting #0: cost 1 inf + 0
1.909 * * [simplify]: Extracting #1: cost 10 inf + 0
1.909 * * [simplify]: Extracting #2: cost 12 inf + 1
1.909 * * [simplify]: Extracting #3: cost 11 inf + 1249
1.909 * * [simplify]: Extracting #4: cost 6 inf + 3901
1.910 * * [simplify]: Extracting #5: cost 1 inf + 7028
1.910 * * [simplify]: Extracting #6: cost 0 inf + 8390
1.910 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
1.910 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
1.910 * * * * [progress]: [ 6 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 (neg.p16 d1))))>
1.910 * [simplify]: Simplifying (*.p16 d1 (neg.p16 d1))
1.910 * * [simplify]: iters left: 2 (3 enodes)
1.911 * * [simplify]: iters left: 1 (6 enodes)
1.912 * * [simplify]: Extracting #0: cost 1 inf + 0
1.912 * * [simplify]: Extracting #1: cost 3 inf + 0
1.912 * * [simplify]: Extracting #2: cost 2 inf + 1
1.912 * * [simplify]: Extracting #3: cost 0 inf + 483
1.912 * [simplify]: Simplified to (*.p16 (neg.p16 d1) d1)
1.912 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 (-.p16 d2 d3) d4)) (*.p16 (neg.p16 d1) d1)))
1.912 * * * * [progress]: [ 7 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
1.912 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
1.912 * * [simplify]: iters left: 2 (4 enodes)
1.913 * * [simplify]: iters left: 1 (16 enodes)
1.916 * * [simplify]: Extracting #0: cost 1 inf + 0
1.916 * * [simplify]: Extracting #1: cost 10 inf + 0
1.916 * * [simplify]: Extracting #2: cost 12 inf + 1
1.916 * * [simplify]: Extracting #3: cost 13 inf + 885
1.916 * * [simplify]: Extracting #4: cost 8 inf + 2697
1.916 * * [simplify]: Extracting #5: cost 2 inf + 6266
1.916 * * [simplify]: Extracting #6: cost 0 inf + 8390
1.917 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
1.917 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
1.917 * * * * [progress]: [ 8 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) d1) (*.p16 (neg.p16 d1) d1)))>
1.917 * [simplify]: Simplifying (*.p16 (neg.p16 d1) d1)
1.917 * * [simplify]: iters left: 2 (3 enodes)
1.917 * * [simplify]: iters left: 1 (6 enodes)
1.918 * * [simplify]: Extracting #0: cost 1 inf + 0
1.918 * * [simplify]: Extracting #1: cost 3 inf + 0
1.918 * * [simplify]: Extracting #2: cost 2 inf + 1
1.918 * * [simplify]: Extracting #3: cost 0 inf + 483
1.918 * [simplify]: Simplified to (*.p16 (neg.p16 d1) d1)
1.918 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) d1) (*.p16 (neg.p16 d1) d1)))
1.918 * * * * [progress]: [ 9 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
1.919 * [simplify]: Simplifying (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)
1.919 * * [simplify]: iters left: 3 (7 enodes)
1.920 * * [simplify]: iters left: 2 (28 enodes)
1.925 * * [simplify]: iters left: 1 (69 enodes)
1.939 * * [simplify]: Extracting #0: cost 1 inf + 0
1.939 * * [simplify]: Extracting #1: cost 28 inf + 0
1.939 * * [simplify]: Extracting #2: cost 45 inf + 86
1.940 * * [simplify]: Extracting #3: cost 46 inf + 4229
1.941 * * [simplify]: Extracting #4: cost 22 inf + 17381
1.942 * * [simplify]: Extracting #5: cost 5 inf + 30688
1.944 * * [simplify]: Extracting #6: cost 0 inf + 37097
1.945 * [simplify]: Simplified to (+.p16 (-.p16 (+.p16 d2 d4) d3) d1)
1.945 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (-.p16 (+.p16 d2 d4) d3) d1)))
1.945 * * * * [progress]: [ 10 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1) d1))>
1.945 * * * * [progress]: [ 11 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))>
1.945 * * * * [progress]: [ 12 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
1.945 * * * * [progress]: [ 13 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d4 (-.p16 d2 d3)) d1)))>
1.945 * * * * [progress]: [ 14 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
1.945 * * * * [progress]: [ 15 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
1.945 * * * * [progress]: [ 16 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
1.945 * * * [progress]: adding candidates to table
2.252 * * [progress]: iteration 4 / 4
2.252 * * * [progress]: picking best candidate
2.318 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))))>
2.318 * * * [progress]: localizing error
2.449 * * * [progress]: generating rewritten candidates
2.449 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
2.458 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 2)
2.462 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
2.470 * * * [progress]: generating series expansions
2.470 * * * * [progress]: [ 1 / 3 ] generating series at (2)
2.470 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 2)
2.470 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
2.470 * * * [progress]: simplifying candidates
2.470 * * * * [progress]: [ 1 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 d4 (+.p16 d1 d3)))))>
2.471 * [simplify]: Simplifying (+.p16 d2 (-.p16 d4 (+.p16 d1 d3)))
2.471 * * [simplify]: iters left: 3 (7 enodes)
2.474 * * [simplify]: iters left: 2 (28 enodes)
2.483 * * [simplify]: iters left: 1 (77 enodes)
2.508 * * [simplify]: Extracting #0: cost 1 inf + 0
2.508 * * [simplify]: Extracting #1: cost 26 inf + 0
2.508 * * [simplify]: Extracting #2: cost 51 inf + 820
2.509 * * [simplify]: Extracting #3: cost 53 inf + 5375
2.510 * * [simplify]: Extracting #4: cost 28 inf + 24270
2.512 * * [simplify]: Extracting #5: cost 1 inf + 47892
2.514 * * [simplify]: Extracting #6: cost 0 inf + 49935
2.516 * [simplify]: Simplified to (+.p16 d2 (-.p16 d4 (+.p16 d1 d3)))
2.517 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 d4 (+.p16 d1 d3)))))
2.517 * * * * [progress]: [ 2 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (+.p16 (*.p16 d1 d2) (*.p16 d1 d4)) (*.p16 d1 (neg.p16 (+.p16 d1 d3)))))>
2.517 * [simplify]: Simplifying (*.p16 d1 (neg.p16 (+.p16 d1 d3)))
2.517 * * [simplify]: iters left: 3 (5 enodes)
2.518 * * [simplify]: iters left: 2 (11 enodes)
2.519 * * [simplify]: Extracting #0: cost 1 inf + 0
2.519 * * [simplify]: Extracting #1: cost 3 inf + 0
2.519 * * [simplify]: Extracting #2: cost 3 inf + 1
2.519 * * [simplify]: Extracting #3: cost 4 inf + 1
2.520 * * [simplify]: Extracting #4: cost 0 inf + 608
2.520 * [simplify]: Simplified to (*.p16 (neg.p16 (+.p16 d3 d1)) d1)
2.520 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (+.p16 (*.p16 d1 d2) (*.p16 d1 d4)) (*.p16 (neg.p16 (+.p16 d3 d1)) d1)))
2.520 * * * * [progress]: [ 3 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (+.p16 (*.p16 d1 d2) (*.p16 d4 d1)) (*.p16 (neg.p16 (+.p16 d1 d3)) d1)))>
2.520 * [simplify]: Simplifying (*.p16 (neg.p16 (+.p16 d1 d3)) d1)
2.520 * * [simplify]: iters left: 3 (5 enodes)
2.521 * * [simplify]: iters left: 2 (11 enodes)
2.523 * * [simplify]: Extracting #0: cost 1 inf + 0
2.523 * * [simplify]: Extracting #1: cost 3 inf + 0
2.523 * * [simplify]: Extracting #2: cost 3 inf + 1
2.523 * * [simplify]: Extracting #3: cost 4 inf + 1
2.523 * * [simplify]: Extracting #4: cost 0 inf + 608
2.523 * [simplify]: Simplified to (*.p16 (neg.p16 (+.p16 d3 d1)) d1)
2.523 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (+.p16 (*.p16 d1 d2) (*.p16 d4 d1)) (*.p16 (neg.p16 (+.p16 d3 d1)) d1)))
2.523 * * * * [progress]: [ 4 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 d4 (+.p16 d1 d3)))))>
2.523 * [simplify]: Simplifying (+.p16 d2 (-.p16 d4 (+.p16 d1 d3)))
2.523 * * [simplify]: iters left: 3 (7 enodes)
2.527 * * [simplify]: iters left: 2 (28 enodes)
2.534 * * [simplify]: iters left: 1 (77 enodes)
2.564 * * [simplify]: Extracting #0: cost 1 inf + 0
2.564 * * [simplify]: Extracting #1: cost 26 inf + 0
2.564 * * [simplify]: Extracting #2: cost 51 inf + 820
2.565 * * [simplify]: Extracting #3: cost 53 inf + 5375
2.566 * * [simplify]: Extracting #4: cost 28 inf + 24270
2.568 * * [simplify]: Extracting #5: cost 1 inf + 47892
2.571 * * [simplify]: Extracting #6: cost 0 inf + 49935
2.573 * [simplify]: Simplified to (+.p16 d2 (-.p16 d4 (+.p16 d1 d3)))
2.573 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 d4 (+.p16 d1 d3)))))
2.573 * * * * [progress]: [ 5 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d4 (+.p16 d1 d3))) (*.p16 d1 d2)))>
2.573 * * * * [progress]: [ 6 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 (-.p16 d4 d1) d3))))>
2.573 * * * * [progress]: [ 7 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (+.p16 d4 (neg.p16 (+.p16 d1 d3))))))>
2.573 * * * * [progress]: [ 8 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (/.p16 (-.p16 (*.p16 d4 d4) (*.p16 (+.p16 d1 d3) (+.p16 d1 d3))) (+.p16 d4 (+.p16 d1 d3))))))>
2.573 * * * * [progress]: [ 9 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (+.p16 (*.p16 d1 d4) (*.p16 d1 (neg.p16 (+.p16 d1 d3))))))>
2.573 * [simplify]: Simplifying (*.p16 d1 (neg.p16 (+.p16 d1 d3)))
2.573 * * [simplify]: iters left: 3 (5 enodes)
2.574 * * [simplify]: iters left: 2 (11 enodes)
2.576 * * [simplify]: Extracting #0: cost 1 inf + 0
2.576 * * [simplify]: Extracting #1: cost 3 inf + 0
2.576 * * [simplify]: Extracting #2: cost 3 inf + 1
2.576 * * [simplify]: Extracting #3: cost 4 inf + 1
2.576 * * [simplify]: Extracting #4: cost 0 inf + 608
2.576 * [simplify]: Simplified to (*.p16 (neg.p16 (+.p16 d3 d1)) d1)
2.576 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (+.p16 (*.p16 d1 d4) (*.p16 (neg.p16 (+.p16 d3 d1)) d1))))
2.576 * * * * [progress]: [ 10 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (+.p16 (*.p16 d4 d1) (*.p16 (neg.p16 (+.p16 d1 d3)) d1))))>
2.576 * [simplify]: Simplifying (*.p16 (neg.p16 (+.p16 d1 d3)) d1)
2.576 * * [simplify]: iters left: 3 (5 enodes)
2.577 * * [simplify]: iters left: 2 (11 enodes)
2.579 * * [simplify]: Extracting #0: cost 1 inf + 0
2.579 * * [simplify]: Extracting #1: cost 3 inf + 0
2.579 * * [simplify]: Extracting #2: cost 3 inf + 1
2.579 * * [simplify]: Extracting #3: cost 4 inf + 1
2.579 * * [simplify]: Extracting #4: cost 0 inf + 608
2.579 * [simplify]: Simplified to (*.p16 (neg.p16 (+.p16 d3 d1)) d1)
2.579 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (+.p16 (*.p16 d4 d1) (*.p16 (neg.p16 (+.p16 d3 d1)) d1))))
2.579 * * * * [progress]: [ 11 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (/.p16 (*.p16 d1 (-.p16 (*.p16 d4 d4) (*.p16 (+.p16 d1 d3) (+.p16 d1 d3)))) (+.p16 d4 (+.p16 d1 d3)))))>
2.579 * [simplify]: Simplifying (+.p16 d4 (+.p16 d1 d3))
2.579 * * [simplify]: iters left: 2 (5 enodes)
2.580 * * [simplify]: iters left: 1 (15 enodes)
2.583 * * [simplify]: Extracting #0: cost 1 inf + 0
2.583 * * [simplify]: Extracting #1: cost 8 inf + 0
2.583 * * [simplify]: Extracting #2: cost 4 inf + 45
2.583 * * [simplify]: Extracting #3: cost 0 inf + 254
2.583 * [simplify]: Simplified to (+.p16 d1 (+.p16 d3 d4))
2.583 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (/.p16 (*.p16 d1 (-.p16 (*.p16 d4 d4) (*.p16 (+.p16 d1 d3) (+.p16 d1 d3)))) (+.p16 d1 (+.p16 d3 d4)))))
2.584 * * * * [progress]: [ 12 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 (-.p16 d4 (+.p16 d1 d3)) d1)))>
2.584 * * * * [progress]: [ 13 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))))>
2.584 * [simplify]: Simplifying (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3))))
2.584 * * [simplify]: iters left: 4 (9 enodes)
2.587 * * [simplify]: iters left: 3 (32 enodes)
2.596 * * [simplify]: iters left: 2 (81 enodes)
2.625 * * [simplify]: iters left: 1 (260 enodes)
2.773 * * [simplify]: Extracting #0: cost 1 inf + 0
2.773 * * [simplify]: Extracting #1: cost 24 inf + 0
2.774 * * [simplify]: Extracting #2: cost 93 inf + 1
2.775 * * [simplify]: Extracting #3: cost 271 inf + 4694
2.783 * * [simplify]: Extracting #4: cost 316 inf + 62217
2.800 * * [simplify]: Extracting #5: cost 85 inf + 256716
2.815 * * [simplify]: Extracting #6: cost 5 inf + 349304
2.839 * * [simplify]: Extracting #7: cost 0 inf + 355918
2.867 * [simplify]: Simplified to (*.p16 d1 (+.p16 d2 (-.p16 d4 (+.p16 d1 d3))))
2.867 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 d4 (+.p16 d1 d3)))))
2.867 * * * * [progress]: [ 14 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))))>
2.868 * [simplify]: Simplifying (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3))))
2.868 * * [simplify]: iters left: 4 (9 enodes)
2.871 * * [simplify]: iters left: 3 (32 enodes)
2.881 * * [simplify]: iters left: 2 (81 enodes)
2.908 * * [simplify]: iters left: 1 (260 enodes)
3.025 * * [simplify]: Extracting #0: cost 1 inf + 0
3.025 * * [simplify]: Extracting #1: cost 24 inf + 0
3.026 * * [simplify]: Extracting #2: cost 93 inf + 1
3.027 * * [simplify]: Extracting #3: cost 271 inf + 4694
3.034 * * [simplify]: Extracting #4: cost 316 inf + 62217
3.048 * * [simplify]: Extracting #5: cost 85 inf + 256716
3.065 * * [simplify]: Extracting #6: cost 5 inf + 349304
3.090 * * [simplify]: Extracting #7: cost 0 inf + 355918
3.116 * [simplify]: Simplified to (*.p16 d1 (+.p16 d2 (-.p16 d4 (+.p16 d1 d3))))
3.116 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 d4 (+.p16 d1 d3)))))
3.116 * * * * [progress]: [ 15 / 15 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))))>
3.116 * [simplify]: Simplifying (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3))))
3.116 * * [simplify]: iters left: 4 (9 enodes)
3.120 * * [simplify]: iters left: 3 (32 enodes)
3.129 * * [simplify]: iters left: 2 (81 enodes)
3.157 * * [simplify]: iters left: 1 (260 enodes)
3.267 * * [simplify]: Extracting #0: cost 1 inf + 0
3.267 * * [simplify]: Extracting #1: cost 24 inf + 0
3.267 * * [simplify]: Extracting #2: cost 93 inf + 1
3.268 * * [simplify]: Extracting #3: cost 271 inf + 4694
3.272 * * [simplify]: Extracting #4: cost 316 inf + 62217
3.286 * * [simplify]: Extracting #5: cost 85 inf + 256716
3.312 * * [simplify]: Extracting #6: cost 5 inf + 349304
3.327 * * [simplify]: Extracting #7: cost 0 inf + 355918
3.344 * [simplify]: Simplified to (*.p16 d1 (+.p16 d2 (-.p16 d4 (+.p16 d1 d3))))
3.344 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 d4 (+.p16 d1 d3)))))
3.344 * * * [progress]: adding candidates to table
3.626 * [progress]: [Phase 3 of 3] Extracting.
3.626 * * [regime]: Finding splitpoints for: (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1)) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (+.p16 (*.p16 d4 d1) (*.p16 (neg.p16 (+.p16 d1 d3)) d1))))> #<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 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))> #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>)
3.627 * * * [regime-changes]: Trying 4 branch expressions: (d4 d3 d2 d1)
3.627 * * * * [regimes]: Trying to branch on d4 from (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1)) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (+.p16 (*.p16 d4 d1) (*.p16 (neg.p16 (+.p16 d1 d3)) d1))))> #<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 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))> #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>)
3.726 * * * * [regimes]: Trying to branch on d3 from (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1)) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (+.p16 (*.p16 d4 d1) (*.p16 (neg.p16 (+.p16 d1 d3)) d1))))> #<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 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))> #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>)
3.894 * * * * [regimes]: Trying to branch on d2 from (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1)) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (+.p16 (*.p16 d4 d1) (*.p16 (neg.p16 (+.p16 d1 d3)) d1))))> #<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 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))> #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>)
4.065 * * * * [regimes]: Trying to branch on d1 from (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d1 d3)))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1)) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (+.p16 (*.p16 d4 d1) (*.p16 (neg.p16 (+.p16 d1 d3)) d1))))> #<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 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))> #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>)
4.192 * * * [regime]: Found split indices: #<option (#s(si 5 256))>
4.192 * [simplify]: Simplifying (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1))))
4.192 * * [simplify]: iters left: 4 (9 enodes)
4.192 * * [simplify]: Extracting #0: cost 1 inf + 0
4.193 * * [simplify]: Extracting #1: cost 3 inf + 0
4.193 * * [simplify]: Extracting #2: cost 4 inf + 1
4.193 * * [simplify]: Extracting #3: cost 5 inf + 2
4.193 * * [simplify]: Extracting #4: cost 7 inf + 2
4.193 * * [simplify]: Extracting #5: cost 0 inf + 1178
4.193 * [simplify]: Simplified to (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1))))
4.193 * * * * [points]: Sampling 8000 additional inputs, on iter 0 have 0 / 8000
4.252 * * * * [points]: Computing exacts on every 500 of 8000 points to ramp up precision
4.254 * * * * [points]: Setting MPFR precision to 64
4.255 * * * * [points]: Setting MPFR precision to 320
4.257 * * * * [points]: Computing exacts on every 250 of 8000 points to ramp up precision
4.259 * * * * [points]: Setting MPFR precision to 64
4.262 * * * * [points]: Setting MPFR precision to 320
4.265 * * * * [points]: Computing exacts on every 125 of 8000 points to ramp up precision
4.267 * * * * [points]: Setting MPFR precision to 64
4.272 * * * * [points]: Setting MPFR precision to 320
4.276 * * * * [points]: Computing exacts on every 62 of 8000 points to ramp up precision
4.278 * * * * [points]: Setting MPFR precision to 64
4.288 * * * * [points]: Setting MPFR precision to 320
4.302 * * * * [points]: Computing exacts on every 31 of 8000 points to ramp up precision
4.304 * * * * [points]: Setting MPFR precision to 64
4.356 * * * * [points]: Setting MPFR precision to 320
4.384 * * * * [points]: Computing exacts on every 15 of 8000 points to ramp up precision
4.386 * * * * [points]: Setting MPFR precision to 64
4.442 * * * * [points]: Setting MPFR precision to 320
4.493 * * * * [points]: Computing exacts on every 7 of 8000 points to ramp up precision
4.494 * * * * [points]: Setting MPFR precision to 64
4.649 * * * * [points]: Setting MPFR precision to 320
4.714 * * * * [points]: Computing exacts on every 3 of 8000 points to ramp up precision
4.747 * * * * [points]: Setting MPFR precision to 64
4.941 * * * * [points]: Setting MPFR precision to 320
5.126 * * * * [points]: Computing exacts for 8000 points
5.128 * * * * [points]: Setting MPFR precision to 64
6.396 * * * * [points]: Setting MPFR precision to 320
7.350 * * * * [points]: Filtering points with unrepresentable outputs
7.399 * * * * [points]: Sampled 8000 points with exact outputs
9.764 * [regime-testing]: Baseline error score: 64.0
9.767 * [regime-testing]: Oracle error score: 64.0
9.775 * [regime-testing]: End program error score: 0.4077572973484772