0.002 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.002 * * * * [points]: Sampling 256 additional inputs, on iter 0 have 0 / 256
0.005 * * * * [points]: Computing exacts on every 16 of 256 points to ramp up precision
0.007 * * * * [points]: Setting MPFR precision to 64
0.010 * * * * [points]: Setting MPFR precision to 320
0.012 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision
0.014 * * * * [points]: Setting MPFR precision to 64
0.017 * * * * [points]: Setting MPFR precision to 320
0.021 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision
0.023 * * * * [points]: Setting MPFR precision to 64
0.029 * * * * [points]: Setting MPFR precision to 320
0.036 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision
0.038 * * * * [points]: Setting MPFR precision to 64
0.049 * * * * [points]: Setting MPFR precision to 320
0.061 * * * * [points]: Computing exacts for 256 points
0.063 * * * * [points]: Setting MPFR precision to 64
0.081 * * * * [points]: Setting MPFR precision to 320
0.125 * * * * [points]: Filtering points with unrepresentable outputs
0.126 * * * * [points]: Sampled 256 points with exact outputs
0.127 * * * [progress]: [2/2] Setting up program.
0.132 * [progress]: [Phase 2 of 3] Improving.
0.132 * * * * [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)))>
0.132 * [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)
0.135 * * [simplify]: iters left: 3 (43 enodes)
0.143 * * [simplify]: iters left: 2 (148 enodes)
0.198 * * [simplify]: Extracting #0: cost 1 inf + 0
0.198 * * [simplify]: Extracting #1: cost 40 inf + 0
0.198 * * [simplify]: Extracting #2: cost 128 inf + 322
0.208 * * [simplify]: Extracting #3: cost 222 inf + 10234
0.215 * * [simplify]: Extracting #4: cost 153 inf + 124713
0.232 * * [simplify]: Extracting #5: cost 28 inf + 253727
0.251 * * [simplify]: Extracting #6: cost 1 inf + 271088
0.271 * * [simplify]: Extracting #7: cost 0 inf + 269810
0.290 * * [simplify]: Extracting #8: cost 0 inf + 269170
0.309 * [simplify]: Simplified to (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.309 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
0.333 * * [progress]: iteration 1 / 4
0.333 * * * [progress]: picking best candidate
0.353 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.353 * * * [progress]: localizing error
0.485 * * * [progress]: generating rewritten candidates
0.485 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.500 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.513 * * * [progress]: generating series expansions
0.513 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.513 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.513 * * * [progress]: simplifying candidates
0.513 * * * * [progress]: [ 1 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))>
0.514 * [simplify]: Simplifying (neg.p16 d1)
0.514 * * [simplify]: iters left: 1 (2 enodes)
0.515 * * [simplify]: Extracting #0: cost 1 inf + 0
0.515 * * [simplify]: Extracting #1: cost 2 inf + 0
0.515 * * [simplify]: Extracting #2: cost 1 inf + 1
0.515 * * [simplify]: Extracting #3: cost 0 inf + 82
0.515 * [simplify]: Simplified to (neg.p16 d1)
0.515 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))
0.515 * * * * [progress]: [ 2 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
0.515 * * * * [progress]: [ 3 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
0.515 * * * * [progress]: [ 4 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
0.515 * * * * [progress]: [ 5 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d4 d1) (-.p16 d2 d3))))>
0.515 * * * * [progress]: [ 6 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
0.515 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
0.515 * * [simplify]: iters left: 2 (4 enodes)
0.517 * * [simplify]: iters left: 1 (16 enodes)
0.520 * * [simplify]: Extracting #0: cost 1 inf + 0
0.520 * * [simplify]: Extracting #1: cost 10 inf + 0
0.520 * * [simplify]: Extracting #2: cost 12 inf + 1
0.520 * * [simplify]: Extracting #3: cost 11 inf + 1249
0.521 * * [simplify]: Extracting #4: cost 6 inf + 3901
0.521 * * [simplify]: Extracting #5: cost 1 inf + 7028
0.521 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.521 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
0.521 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
0.521 * * * * [progress]: [ 7 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
0.521 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
0.522 * * [simplify]: iters left: 2 (4 enodes)
0.522 * * [simplify]: iters left: 1 (16 enodes)
0.525 * * [simplify]: Extracting #0: cost 1 inf + 0
0.525 * * [simplify]: Extracting #1: cost 10 inf + 0
0.525 * * [simplify]: Extracting #2: cost 12 inf + 1
0.525 * * [simplify]: Extracting #3: cost 13 inf + 885
0.525 * * [simplify]: Extracting #4: cost 8 inf + 2697
0.525 * * [simplify]: Extracting #5: cost 2 inf + 6266
0.526 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.526 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
0.526 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
0.526 * * * * [progress]: [ 8 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))>
0.526 * * * * [progress]: [ 9 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.526 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.526 * * [simplify]: iters left: 3 (8 enodes)
0.534 * * [simplify]: iters left: 2 (42 enodes)
0.542 * * [simplify]: iters left: 1 (117 enodes)
0.575 * * [simplify]: Extracting #0: cost 1 inf + 0
0.575 * * [simplify]: Extracting #1: cost 24 inf + 0
0.575 * * [simplify]: Extracting #2: cost 56 inf + 1
0.576 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.577 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.580 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.584 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.588 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.594 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.594 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.594 * * * * [progress]: [ 10 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.594 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.595 * * [simplify]: iters left: 3 (8 enodes)
0.598 * * [simplify]: iters left: 2 (42 enodes)
0.612 * * [simplify]: iters left: 1 (117 enodes)
0.646 * * [simplify]: Extracting #0: cost 1 inf + 0
0.646 * * [simplify]: Extracting #1: cost 24 inf + 0
0.646 * * [simplify]: Extracting #2: cost 56 inf + 1
0.647 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.650 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.656 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.663 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.671 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.678 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.678 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.678 * * * [progress]: adding candidates to table
0.903 * * [progress]: iteration 2 / 4
0.903 * * * [progress]: picking best candidate
0.943 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
0.943 * * * [progress]: localizing error
1.090 * * * [progress]: generating rewritten candidates
1.090 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2 2)
1.093 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
1.099 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
1.103 * * * [progress]: generating series expansions
1.103 * * * * [progress]: [ 1 / 3 ] generating series at (2 2 2)
1.103 * * * * [progress]: [ 2 / 3 ] generating series at (2)
1.103 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
1.103 * * * [progress]: simplifying candidates
1.103 * * * * [progress]: [ 1 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 (-.p16 d3 d4) (neg.p16 d1)))))>
1.103 * [simplify]: Simplifying (neg.p16 d1)
1.103 * * [simplify]: iters left: 1 (2 enodes)
1.104 * * [simplify]: Extracting #0: cost 1 inf + 0
1.104 * * [simplify]: Extracting #1: cost 2 inf + 0
1.104 * * [simplify]: Extracting #2: cost 1 inf + 1
1.104 * * [simplify]: Extracting #3: cost 0 inf + 82
1.104 * [simplify]: Simplified to (neg.p16 d1)
1.104 * [simplify]: Simplified (2 2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 (-.p16 d3 d4) (neg.p16 d1)))))
1.104 * * * * [progress]: [ 2 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
1.105 * * * * [progress]: [ 3 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 d3 (neg.p16 (-.p16 d4 d1))))))>
1.105 * * * * [progress]: [ 4 / 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))))))>
1.105 * * * * [progress]: [ 5 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
1.105 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
1.105 * * [simplify]: iters left: 2 (4 enodes)
1.107 * * [simplify]: iters left: 1 (16 enodes)
1.120 * * [simplify]: Extracting #0: cost 1 inf + 0
1.120 * * [simplify]: Extracting #1: cost 10 inf + 0
1.120 * * [simplify]: Extracting #2: cost 12 inf + 1
1.120 * * [simplify]: Extracting #3: cost 11 inf + 1249
1.120 * * [simplify]: Extracting #4: cost 6 inf + 3901
1.121 * * [simplify]: Extracting #5: cost 1 inf + 7028
1.122 * * [simplify]: Extracting #6: cost 0 inf + 8390
1.122 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
1.122 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
1.122 * * * * [progress]: [ 6 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))))>
1.122 * [simplify]: Simplifying (*.p16 d1 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))
1.123 * * [simplify]: iters left: 4 (7 enodes)
1.124 * * [simplify]: iters left: 3 (30 enodes)
1.129 * * [simplify]: iters left: 2 (69 enodes)
1.144 * * [simplify]: iters left: 1 (247 enodes)
1.244 * * [simplify]: Extracting #0: cost 1 inf + 0
1.244 * * [simplify]: Extracting #1: cost 3 inf + 0
1.244 * * [simplify]: Extracting #2: cost 3 inf + 1
1.244 * * [simplify]: Extracting #3: cost 37 inf + 1
1.245 * * [simplify]: Extracting #4: cost 169 inf + 571
1.246 * * [simplify]: Extracting #5: cost 315 inf + 23094
1.254 * * [simplify]: Extracting #6: cost 214 inf + 199639
1.273 * * [simplify]: Extracting #7: cost 28 inf + 439637
1.304 * * [simplify]: Extracting #8: cost 0 inf + 479601
1.328 * [simplify]: Simplified to (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))
1.328 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))
1.328 * * * * [progress]: [ 7 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
1.329 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
1.329 * * [simplify]: iters left: 2 (4 enodes)
1.330 * * [simplify]: iters left: 1 (16 enodes)
1.332 * * [simplify]: Extracting #0: cost 1 inf + 0
1.332 * * [simplify]: Extracting #1: cost 10 inf + 0
1.332 * * [simplify]: Extracting #2: cost 12 inf + 1
1.332 * * [simplify]: Extracting #3: cost 13 inf + 885
1.332 * * [simplify]: Extracting #4: cost 8 inf + 2697
1.333 * * [simplify]: Extracting #5: cost 2 inf + 6266
1.333 * * [simplify]: Extracting #6: cost 0 inf + 8390
1.333 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
1.333 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
1.333 * * * * [progress]: [ 8 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (neg.p16 (-.p16 d3 (-.p16 d4 d1))) d1)))>
1.333 * [simplify]: Simplifying (*.p16 (neg.p16 (-.p16 d3 (-.p16 d4 d1))) d1)
1.333 * * [simplify]: iters left: 4 (7 enodes)
1.335 * * [simplify]: iters left: 3 (30 enodes)
1.340 * * [simplify]: iters left: 2 (69 enodes)
1.356 * * [simplify]: iters left: 1 (247 enodes)
1.448 * * [simplify]: Extracting #0: cost 1 inf + 0
1.448 * * [simplify]: Extracting #1: cost 3 inf + 0
1.448 * * [simplify]: Extracting #2: cost 3 inf + 1
1.448 * * [simplify]: Extracting #3: cost 37 inf + 1
1.449 * * [simplify]: Extracting #4: cost 170 inf + 449
1.450 * * [simplify]: Extracting #5: cost 322 inf + 18638
1.456 * * [simplify]: Extracting #6: cost 278 inf + 125122
1.472 * * [simplify]: Extracting #7: cost 38 inf + 422646
1.495 * * [simplify]: Extracting #8: cost 1 inf + 477317
1.514 * * [simplify]: Extracting #9: cost 0 inf + 479879
1.533 * [simplify]: Simplified to (*.p16 d1 (neg.p16 (-.p16 (+.p16 d1 d3) d4)))
1.533 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d1 d3) d4)))))
1.533 * * * * [progress]: [ 9 / 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)))))>
1.533 * [simplify]: Simplifying (+.p16 d2 (-.p16 d3 (-.p16 d4 d1)))
1.533 * * [simplify]: iters left: 3 (7 enodes)
1.535 * * [simplify]: iters left: 2 (34 enodes)
1.540 * * [simplify]: iters left: 1 (90 enodes)
1.562 * * [simplify]: Extracting #0: cost 1 inf + 0
1.562 * * [simplify]: Extracting #1: cost 22 inf + 0
1.562 * * [simplify]: Extracting #2: cost 52 inf + 167
1.563 * * [simplify]: Extracting #3: cost 73 inf + 7807
1.564 * * [simplify]: Extracting #4: cost 49 inf + 32248
1.567 * * [simplify]: Extracting #5: cost 5 inf + 71213
1.570 * * [simplify]: Extracting #6: cost 0 inf + 79303
1.574 * [simplify]: Simplified to (+.p16 (+.p16 d2 d1) (-.p16 d3 d4))
1.574 * [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))))
1.574 * * * * [progress]: [ 10 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1))) d1))>
1.574 * * * * [progress]: [ 11 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
1.574 * * * * [progress]: [ 12 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 d3) (neg.p16 (-.p16 d4 d1)))))>
1.574 * [simplify]: Simplifying (neg.p16 (-.p16 d4 d1))
1.574 * * [simplify]: iters left: 2 (4 enodes)
1.575 * * [simplify]: iters left: 1 (15 enodes)
1.578 * * [simplify]: Extracting #0: cost 1 inf + 0
1.578 * * [simplify]: Extracting #1: cost 2 inf + 0
1.578 * * [simplify]: Extracting #2: cost 7 inf + 0
1.578 * * [simplify]: Extracting #3: cost 9 inf + 83
1.578 * * [simplify]: Extracting #4: cost 4 inf + 2134
1.578 * * [simplify]: Extracting #5: cost 0 inf + 5180
1.578 * [simplify]: Simplified to (neg.p16 (-.p16 d4 d1))
1.578 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 d3) (neg.p16 (-.p16 d4 d1)))))
1.578 * * * * [progress]: [ 13 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
1.578 * [simplify]: Simplifying (-.p16 d4 d1)
1.579 * * [simplify]: iters left: 1 (3 enodes)
1.579 * * [simplify]: Extracting #0: cost 1 inf + 0
1.579 * * [simplify]: Extracting #1: cost 6 inf + 0
1.579 * * [simplify]: Extracting #2: cost 5 inf + 44
1.579 * * [simplify]: Extracting #3: cost 0 inf + 1571
1.579 * [simplify]: Simplified to (-.p16 d4 d1)
1.579 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
1.579 * * * * [progress]: [ 14 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))))>
1.580 * * * * [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))))))>
1.580 * * * * [progress]: [ 16 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.580 * * * * [progress]: [ 17 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.580 * * * * [progress]: [ 18 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.580 * * * [progress]: adding candidates to table
1.999 * * [progress]: iteration 3 / 4
1.999 * * * [progress]: picking best candidate
2.066 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
2.066 * * * [progress]: localizing error
2.171 * * * [progress]: generating rewritten candidates
2.171 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
2.179 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
2.189 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 1)
2.193 * * * [progress]: generating series expansions
2.193 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)
2.193 * * * * [progress]: [ 2 / 3 ] generating series at (2)
2.193 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 1)
2.193 * * * [progress]: simplifying candidates
2.193 * * * * [progress]: [ 1 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
2.193 * [simplify]: Simplifying (-.p16 d2 d3)
2.193 * * [simplify]: iters left: 1 (3 enodes)
2.194 * * [simplify]: Extracting #0: cost 1 inf + 0
2.194 * * [simplify]: Extracting #1: cost 6 inf + 0
2.195 * * [simplify]: Extracting #2: cost 5 inf + 44
2.195 * * [simplify]: Extracting #3: cost 0 inf + 1571
2.195 * [simplify]: Simplified to (-.p16 d2 d3)
2.195 * [simplify]: Simplified (2 2 1) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
2.195 * * * * [progress]: [ 2 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (-.p16 (neg.p16 (-.p16 d3 d4)) d1))))>
2.195 * * * * [progress]: [ 3 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
2.195 * * * * [progress]: [ 4 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 (-.p16 d3 d4)) (neg.p16 d1))))>
2.195 * * * * [progress]: [ 5 / 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))))>
2.195 * * * * [progress]: [ 6 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
2.195 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
2.195 * * [simplify]: iters left: 2 (4 enodes)
2.197 * * [simplify]: iters left: 1 (16 enodes)
2.202 * * [simplify]: Extracting #0: cost 1 inf + 0
2.203 * * [simplify]: Extracting #1: cost 10 inf + 0
2.203 * * [simplify]: Extracting #2: cost 12 inf + 1
2.203 * * [simplify]: Extracting #3: cost 11 inf + 1249
2.203 * * [simplify]: Extracting #4: cost 6 inf + 3901
2.204 * * [simplify]: Extracting #5: cost 1 inf + 7028
2.204 * * [simplify]: Extracting #6: cost 0 inf + 8390
2.204 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
2.204 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
2.205 * * * * [progress]: [ 7 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (-.p16 (neg.p16 (-.p16 d3 d4)) d1))))>
2.205 * [simplify]: Simplifying (*.p16 d1 (-.p16 (neg.p16 (-.p16 d3 d4)) d1))
2.205 * * [simplify]: iters left: 4 (7 enodes)
2.208 * * [simplify]: iters left: 3 (28 enodes)
2.217 * * [simplify]: iters left: 2 (58 enodes)
2.241 * * [simplify]: iters left: 1 (145 enodes)
2.280 * * [simplify]: Extracting #0: cost 1 inf + 0
2.280 * * [simplify]: Extracting #1: cost 19 inf + 0
2.281 * * [simplify]: Extracting #2: cost 107 inf + 1
2.282 * * [simplify]: Extracting #3: cost 117 inf + 2261
2.285 * * [simplify]: Extracting #4: cost 128 inf + 26600
2.293 * * [simplify]: Extracting #5: cost 67 inf + 107066
2.301 * * [simplify]: Extracting #6: cost 27 inf + 173100
2.309 * * [simplify]: Extracting #7: cost 0 inf + 215268
2.319 * * [simplify]: Extracting #8: cost 0 inf + 214708
2.332 * [simplify]: Simplified to (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))
2.332 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))))
2.333 * * * * [progress]: [ 8 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 (-.p16 d3 d4))) (*.p16 d1 (neg.p16 d1))))>
2.333 * [simplify]: Simplifying (*.p16 d1 (neg.p16 d1))
2.333 * * [simplify]: iters left: 2 (3 enodes)
2.334 * * [simplify]: iters left: 1 (6 enodes)
2.336 * * [simplify]: Extracting #0: cost 1 inf + 0
2.336 * * [simplify]: Extracting #1: cost 3 inf + 0
2.336 * * [simplify]: Extracting #2: cost 2 inf + 1
2.336 * * [simplify]: Extracting #3: cost 0 inf + 483
2.336 * [simplify]: Simplified to (*.p16 (neg.p16 d1) d1)
2.336 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 (-.p16 d3 d4))) (*.p16 (neg.p16 d1) d1)))
2.336 * * * * [progress]: [ 9 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
2.336 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
2.336 * * [simplify]: iters left: 2 (4 enodes)
2.338 * * [simplify]: iters left: 1 (16 enodes)
2.343 * * [simplify]: Extracting #0: cost 1 inf + 0
2.343 * * [simplify]: Extracting #1: cost 10 inf + 0
2.343 * * [simplify]: Extracting #2: cost 12 inf + 1
2.343 * * [simplify]: Extracting #3: cost 13 inf + 885
2.343 * * [simplify]: Extracting #4: cost 8 inf + 2697
2.344 * * [simplify]: Extracting #5: cost 2 inf + 6266
2.344 * * [simplify]: Extracting #6: cost 0 inf + 8390
2.344 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
2.344 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
2.344 * * * * [progress]: [ 10 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (-.p16 (neg.p16 (-.p16 d3 d4)) d1) d1)))>
2.344 * [simplify]: Simplifying (*.p16 (-.p16 (neg.p16 (-.p16 d3 d4)) d1) d1)
2.344 * * [simplify]: iters left: 4 (7 enodes)
2.346 * * [simplify]: iters left: 3 (28 enodes)
2.350 * * [simplify]: iters left: 2 (58 enodes)
2.361 * * [simplify]: iters left: 1 (145 enodes)
2.423 * * [simplify]: Extracting #0: cost 1 inf + 0
2.423 * * [simplify]: Extracting #1: cost 19 inf + 0
2.424 * * [simplify]: Extracting #2: cost 107 inf + 1
2.427 * * [simplify]: Extracting #3: cost 105 inf + 11537
2.432 * * [simplify]: Extracting #4: cost 110 inf + 43734
2.441 * * [simplify]: Extracting #5: cost 71 inf + 102658
2.454 * * [simplify]: Extracting #6: cost 40 inf + 155034
2.470 * * [simplify]: Extracting #7: cost 0 inf + 215428
2.487 * * [simplify]: Extracting #8: cost 0 inf + 214548
2.496 * [simplify]: Simplified to (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))
2.496 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))))
2.496 * * * * [progress]: [ 11 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 (-.p16 d3 d4)) d1) (*.p16 (neg.p16 d1) d1)))>
2.496 * [simplify]: Simplifying (*.p16 (neg.p16 d1) d1)
2.497 * * [simplify]: iters left: 2 (3 enodes)
2.497 * * [simplify]: iters left: 1 (6 enodes)
2.498 * * [simplify]: Extracting #0: cost 1 inf + 0
2.498 * * [simplify]: Extracting #1: cost 3 inf + 0
2.498 * * [simplify]: Extracting #2: cost 2 inf + 1
2.498 * * [simplify]: Extracting #3: cost 0 inf + 483
2.498 * [simplify]: Simplified to (*.p16 (neg.p16 d1) d1)
2.498 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 (-.p16 d3 d4)) d1) (*.p16 (neg.p16 d1) d1)))
2.498 * * * * [progress]: [ 12 / 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)))>
2.498 * [simplify]: Simplifying (+.p16 (-.p16 d2 (-.p16 d3 d4)) d1)
2.499 * * [simplify]: iters left: 3 (7 enodes)
2.501 * * [simplify]: iters left: 2 (34 enodes)
2.511 * * [simplify]: iters left: 1 (97 enodes)
2.546 * * [simplify]: Extracting #0: cost 1 inf + 0
2.546 * * [simplify]: Extracting #1: cost 22 inf + 0
2.546 * * [simplify]: Extracting #2: cost 46 inf + 735
2.548 * * [simplify]: Extracting #3: cost 76 inf + 8571
2.553 * * [simplify]: Extracting #4: cost 48 inf + 37106
2.558 * * [simplify]: Extracting #5: cost 12 inf + 71748
2.564 * * [simplify]: Extracting #6: cost 0 inf + 87414
2.569 * [simplify]: Simplified to (+.p16 (-.p16 d2 d3) (+.p16 d1 d4))
2.570 * [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))))
2.570 * * * * [progress]: [ 13 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1) d1))>
2.570 * * * * [progress]: [ 14 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 (-.p16 d2 d3) (neg.p16 d4)) d1)))>
2.570 * [simplify]: Simplifying (neg.p16 d4)
2.570 * * [simplify]: iters left: 1 (2 enodes)
2.571 * * [simplify]: Extracting #0: cost 1 inf + 0
2.571 * * [simplify]: Extracting #1: cost 2 inf + 0
2.571 * * [simplify]: Extracting #2: cost 1 inf + 1
2.571 * * [simplify]: Extracting #3: cost 0 inf + 82
2.571 * [simplify]: Simplified to (neg.p16 d4)
2.571 * [simplify]: Simplified (2 2 1 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 (-.p16 d2 d3) (neg.p16 d4)) d1)))
2.571 * * * * [progress]: [ 15 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
2.571 * * * * [progress]: [ 16 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (neg.p16 (-.p16 d3 d4))) d1)))>
2.571 * * * * [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)))>
2.571 * * * * [progress]: [ 18 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
2.571 * * * * [progress]: [ 19 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
2.571 * * * * [progress]: [ 20 / 20 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
2.571 * * * [progress]: adding candidates to table
2.962 * * [progress]: iteration 4 / 4
2.962 * * * [progress]: picking best candidate
3.017 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
3.017 * * * [progress]: localizing error
3.120 * * * [progress]: generating rewritten candidates
3.120 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
3.124 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
3.126 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
3.129 * * * [progress]: generating series expansions
3.129 * * * * [progress]: [ 1 / 3 ] generating series at (2)
3.129 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
3.129 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
3.129 * * * [progress]: simplifying candidates
3.129 * * * * [progress]: [ 1 / 9 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
3.129 * [simplify]: Simplifying (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))
3.129 * * [simplify]: iters left: 2 (7 enodes)
3.131 * * [simplify]: iters left: 1 (34 enodes)
3.136 * * [simplify]: Extracting #0: cost 1 inf + 0
3.136 * * [simplify]: Extracting #1: cost 20 inf + 0
3.136 * * [simplify]: Extracting #2: cost 25 inf + 411
3.137 * * [simplify]: Extracting #3: cost 11 inf + 5992
3.137 * * [simplify]: Extracting #4: cost 7 inf + 10007
3.138 * * [simplify]: Extracting #5: cost 2 inf + 13253
3.139 * * [simplify]: Extracting #6: cost 0 inf + 15977
3.139 * [simplify]: Simplified to (-.p16 (+.p16 (-.p16 d4 d1) d2) d3)
3.139 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d4 d1) d2) d3)))
3.139 * * * * [progress]: [ 2 / 9 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d4 d1) d1) (*.p16 (-.p16 d2 d3) d1)))>
3.139 * * * * [progress]: [ 3 / 9 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (/.p16 (*.p16 (-.p16 (*.p16 d2 d2) (*.p16 d3 d3)) d1) (+.p16 d2 d3)) (*.p16 (-.p16 d4 d1) d1)))>
3.140 * [simplify]: Simplifying (*.p16 (-.p16 (*.p16 d2 d2) (*.p16 d3 d3)) d1)
3.140 * * [simplify]: iters left: 3 (7 enodes)
3.141 * * [simplify]: iters left: 2 (24 enodes)
3.152 * * [simplify]: iters left: 1 (61 enodes)
3.166 * * [simplify]: Extracting #0: cost 1 inf + 0
3.166 * * [simplify]: Extracting #1: cost 19 inf + 0
3.166 * * [simplify]: Extracting #2: cost 62 inf + 1
3.167 * * [simplify]: Extracting #3: cost 57 inf + 3219
3.168 * * [simplify]: Extracting #4: cost 41 inf + 25234
3.171 * * [simplify]: Extracting #5: cost 0 inf + 72030
3.175 * * [simplify]: Extracting #6: cost 0 inf + 70390
3.179 * [simplify]: Simplified to (*.p16 (*.p16 d1 (-.p16 d2 d3)) (+.p16 d3 d2))
3.179 * [simplify]: Simplified (2 1 1) to (λ (d1 d2 d3 d4) (+.p16 (/.p16 (*.p16 (*.p16 d1 (-.p16 d2 d3)) (+.p16 d3 d2)) (+.p16 d2 d3)) (*.p16 (-.p16 d4 d1) d1)))
3.179 * * * * [progress]: [ 4 / 9 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 (-.p16 d4 d1) d1)))>
3.179 * * * * [progress]: [ 5 / 9 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (/.p16 (*.p16 (-.p16 (*.p16 d4 d4) (*.p16 d1 d1)) d1) (+.p16 d4 d1))))>
3.180 * [simplify]: Simplifying (*.p16 (-.p16 (*.p16 d4 d4) (*.p16 d1 d1)) d1)
3.180 * * [simplify]: iters left: 3 (6 enodes)
3.182 * * [simplify]: iters left: 2 (21 enodes)
3.186 * * [simplify]: iters left: 1 (58 enodes)
3.198 * * [simplify]: Extracting #0: cost 1 inf + 0
3.198 * * [simplify]: Extracting #1: cost 19 inf + 0
3.198 * * [simplify]: Extracting #2: cost 57 inf + 1
3.198 * * [simplify]: Extracting #3: cost 56 inf + 2810
3.199 * * [simplify]: Extracting #4: cost 40 inf + 27662
3.201 * * [simplify]: Extracting #5: cost 1 inf + 68925
3.203 * * [simplify]: Extracting #6: cost 0 inf + 71247
3.205 * [simplify]: Simplified to (*.p16 d1 (*.p16 (+.p16 d1 d4) (-.p16 d4 d1)))
3.205 * [simplify]: Simplified (2 2 1) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (/.p16 (*.p16 d1 (*.p16 (+.p16 d1 d4) (-.p16 d4 d1))) (+.p16 d4 d1))))
3.205 * * * * [progress]: [ 6 / 9 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 d1 (-.p16 d4 d1))))>
3.205 * * * * [progress]: [ 7 / 9 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
3.205 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
3.205 * * [simplify]: iters left: 2 (4 enodes)
3.206 * * [simplify]: iters left: 1 (16 enodes)
3.209 * * [simplify]: Extracting #0: cost 1 inf + 0
3.209 * * [simplify]: Extracting #1: cost 10 inf + 0
3.209 * * [simplify]: Extracting #2: cost 12 inf + 1
3.209 * * [simplify]: Extracting #3: cost 13 inf + 885
3.209 * * [simplify]: Extracting #4: cost 8 inf + 2697
3.209 * * [simplify]: Extracting #5: cost 2 inf + 6266
3.210 * * [simplify]: Extracting #6: cost 0 inf + 8390
3.210 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
3.210 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
3.210 * * * * [progress]: [ 8 / 9 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
3.210 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
3.210 * * [simplify]: iters left: 2 (4 enodes)
3.211 * * [simplify]: iters left: 1 (16 enodes)
3.214 * * [simplify]: Extracting #0: cost 1 inf + 0
3.214 * * [simplify]: Extracting #1: cost 10 inf + 0
3.214 * * [simplify]: Extracting #2: cost 12 inf + 1
3.214 * * [simplify]: Extracting #3: cost 13 inf + 885
3.214 * * [simplify]: Extracting #4: cost 8 inf + 2697
3.214 * * [simplify]: Extracting #5: cost 2 inf + 6266
3.214 * * [simplify]: Extracting #6: cost 0 inf + 8390
3.215 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
3.215 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
3.215 * * * * [progress]: [ 9 / 9 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
3.215 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
3.215 * * [simplify]: iters left: 2 (4 enodes)
3.217 * * [simplify]: iters left: 1 (16 enodes)
3.222 * * [simplify]: Extracting #0: cost 1 inf + 0
3.223 * * [simplify]: Extracting #1: cost 10 inf + 0
3.223 * * [simplify]: Extracting #2: cost 12 inf + 1
3.223 * * [simplify]: Extracting #3: cost 13 inf + 885
3.223 * * [simplify]: Extracting #4: cost 8 inf + 2697
3.224 * * [simplify]: Extracting #5: cost 2 inf + 6266
3.224 * * [simplify]: Extracting #6: cost 0 inf + 8390
3.225 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
3.225 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
3.225 * * * [progress]: adding candidates to table
3.388 * [progress]: [Phase 3 of 3] Extracting.
3.388 * * [regime]: Finding splitpoints for: (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 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 (*.p16 d1 (-.p16 d2 d3)) (+.p16 d3 d2)) (+.p16 d2 d3)) (*.p16 (-.p16 d4 d1) d1)))> #<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)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))))> #<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 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 d1))))))>)
3.390 * * * [regime-changes]: Trying 4 branch expressions: (d4 d3 d2 d1)
3.390 * * * * [regimes]: Trying to branch on d4 from (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 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 (*.p16 d1 (-.p16 d2 d3)) (+.p16 d3 d2)) (+.p16 d2 d3)) (*.p16 (-.p16 d4 d1) d1)))> #<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)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))))> #<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 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 d1))))))>)
3.513 * * * * [regimes]: Trying to branch on d3 from (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 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 (*.p16 d1 (-.p16 d2 d3)) (+.p16 d3 d2)) (+.p16 d2 d3)) (*.p16 (-.p16 d4 d1) d1)))> #<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)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))))> #<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 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 d1))))))>)
3.674 * * * * [regimes]: Trying to branch on d2 from (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 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 (*.p16 d1 (-.p16 d2 d3)) (+.p16 d3 d2)) (+.p16 d2 d3)) (*.p16 (-.p16 d4 d1) d1)))> #<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)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))))> #<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 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 d1))))))>)
3.849 * * * * [regimes]: Trying to branch on d1 from (#<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 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 (*.p16 d1 (-.p16 d2 d3)) (+.p16 d3 d2)) (+.p16 d2 d3)) (*.p16 (-.p16 d4 d1) d1)))> #<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)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (+.p16 (-.p16 (neg.p16 d1) d3) d4))))> #<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 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 d1))))))>)
3.996 * * * [regime]: Found split indices: #<option (#s(si 0 256))>
3.996 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
3.996 * * [simplify]: iters left: 3 (8 enodes)
3.996 * * [simplify]: Extracting #0: cost 1 inf + 0
3.996 * * [simplify]: Extracting #1: cost 3 inf + 0
3.996 * * [simplify]: Extracting #2: cost 4 inf + 1
3.996 * * [simplify]: Extracting #3: cost 7 inf + 1
3.996 * * [simplify]: Extracting #4: cost 0 inf + 896
3.996 * [simplify]: Simplified to (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
3.996 * * * * [points]: Sampling 8000 additional inputs, on iter 0 have 0 / 8000
4.046 * * * * [points]: Computing exacts on every 500 of 8000 points to ramp up precision
4.048 * * * * [points]: Setting MPFR precision to 64
4.049 * * * * [points]: Setting MPFR precision to 320
4.050 * * * * [points]: Computing exacts on every 250 of 8000 points to ramp up precision
4.051 * * * * [points]: Setting MPFR precision to 64
4.053 * * * * [points]: Setting MPFR precision to 320
4.055 * * * * [points]: Computing exacts on every 125 of 8000 points to ramp up precision
4.056 * * * * [points]: Setting MPFR precision to 64
4.061 * * * * [points]: Setting MPFR precision to 320
4.065 * * * * [points]: Computing exacts on every 62 of 8000 points to ramp up precision
4.066 * * * * [points]: Setting MPFR precision to 64
4.093 * * * * [points]: Setting MPFR precision to 320
4.107 * * * * [points]: Computing exacts on every 31 of 8000 points to ramp up precision
4.108 * * * * [points]: Setting MPFR precision to 64
4.124 * * * * [points]: Setting MPFR precision to 320
4.145 * * * * [points]: Computing exacts on every 15 of 8000 points to ramp up precision
4.147 * * * * [points]: Setting MPFR precision to 64
4.184 * * * * [points]: Setting MPFR precision to 320
4.257 * * * * [points]: Computing exacts on every 7 of 8000 points to ramp up precision
4.259 * * * * [points]: Setting MPFR precision to 64
4.341 * * * * [points]: Setting MPFR precision to 320
4.458 * * * * [points]: Computing exacts on every 3 of 8000 points to ramp up precision
4.459 * * * * [points]: Setting MPFR precision to 64
4.688 * * * * [points]: Setting MPFR precision to 320
4.996 * * * * [points]: Computing exacts for 8000 points
4.998 * * * * [points]: Setting MPFR precision to 64
6.436 * * * * [points]: Setting MPFR precision to 320
7.271 * * * * [points]: Filtering points with unrepresentable outputs
7.368 * * * * [points]: Sampled 8000 points with exact outputs
9.907 * [regime-testing]: Baseline error score: 64.0
9.914 * [regime-testing]: Oracle error score: 64.0
9.928 * [regime-testing]: End program error score: 0.38591375506442244