0.001 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.001 * * * * [points]: Sampling 256 additional inputs, on iter 0 have 0 / 256 0.003 * * * * [points]: Computing exacts on every 16 of 256 points to ramp up precision 0.004 * * * * [points]: Setting MPFR precision to 64 0.005 * * * * [points]: Setting MPFR precision to 320 0.006 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision 0.008 * * * * [points]: Setting MPFR precision to 64 0.010 * * * * [points]: Setting MPFR precision to 320 0.011 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision 0.013 * * * * [points]: Setting MPFR precision to 64 0.016 * * * * [points]: Setting MPFR precision to 320 0.020 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision 0.021 * * * * [points]: Setting MPFR precision to 64 0.027 * * * * [points]: Setting MPFR precision to 320 0.033 * * * * [points]: Computing exacts for 256 points 0.034 * * * * [points]: Setting MPFR precision to 64 0.052 * * * * [points]: Setting MPFR precision to 320 0.095 * * * * [points]: Filtering points with unrepresentable outputs 0.096 * * * * [points]: Sampled 256 points with exact outputs 0.096 * * * [progress]: [2/2] Setting up program. 0.103 * [progress]: [Phase 2 of 3] Improving. 0.104 * * * * [progress]: [ 1 / 1 ] simplifiying candidate # 0.104 * [simplify]: Simplifying (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)) 0.104 * * [simplify]: iteration 1: (11 enodes) 0.107 * * [simplify]: iteration 2: (43 enodes) 0.118 * * [simplify]: iteration 3: (148 enodes) 0.197 * * [simplify]: iteration 4: (674 enodes) 0.986 * * [simplify]: Extracting #0: cost 1 inf + 0 0.986 * * [simplify]: Extracting #1: cost 81 inf + 0 0.987 * * [simplify]: Extracting #2: cost 477 inf + 1 0.994 * * [simplify]: Extracting #3: cost 1267 inf + 131643 1.059 * * [simplify]: Extracting #4: cost 730 inf + 1349185 1.184 * * [simplify]: Extracting #5: cost 89 inf + 2350123 1.358 * * [simplify]: Extracting #6: cost 2 inf + 2431041 1.520 * * [simplify]: Extracting #7: cost 0 inf + 2424645 1.644 * [simplify]: Simplified to (*.p16 d1 (-.p16 (+.p16 d2 d4) (+.p16 d3 d1))) 1.659 * * [progress]: iteration 1 / 4 1.659 * * * [progress]: picking best candidate 1.679 * * * * [pick]: Picked # 1.679 * * * [progress]: localizing error 1.803 * * * [progress]: generating rewritten candidates 1.803 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2) 1.817 * * * * [progress]: [ 2 / 2 ] rewriting at (2) 1.825 * * * [progress]: generating series expansions 1.825 * * * * [progress]: [ 1 / 2 ] generating series at (2 2) 1.825 * * * * [progress]: [ 2 / 2 ] generating series at (2) 1.825 * * * [progress]: simplifying candidates 1.826 * * * * [progress]: [ 1 / 12 ] simplifiying candidate # 1.826 * * * * [progress]: [ 2 / 12 ] simplifiying candidate # 1.826 * * * * [progress]: [ 3 / 12 ] simplifiying candidate # 1.826 * * * * [progress]: [ 4 / 12 ] simplifiying candidate # 1.826 * * * * [progress]: [ 5 / 12 ] simplifiying candidate # 1.826 * * * * [progress]: [ 6 / 12 ] simplifiying candidate # 1.826 * * * * [progress]: [ 7 / 12 ] simplifiying candidate # 1.826 * * * * [progress]: [ 8 / 12 ] simplifiying candidate # 1.826 * * * * [progress]: [ 9 / 12 ] simplifiying candidate # 1.826 * * * * [progress]: [ 10 / 12 ] simplifiying candidate # 1.826 * * * * [progress]: [ 11 / 12 ] simplifiying candidate # 1.826 * * * * [progress]: [ 12 / 12 ] simplifiying candidate # 1.826 * [simplify]: Simplifying (-.p16 (+.p16 d2 d4) d3), (-.p16 d4 (+.p16 d3 d1)), (neg.p16 (+.p16 d3 d1)), (-.p16 (*.p16 (+.p16 d2 d4) (+.p16 d2 d4)) (*.p16 (+.p16 d3 d1) (+.p16 d3 d1))), (+.p16 (+.p16 d2 d4) (+.p16 d3 d1)), (*.p16 d1 d2), (*.p16 d1 (-.p16 d4 (+.p16 d3 d1))), (*.p16 d1 (+.p16 d2 d4)), (*.p16 d1 (neg.p16 (+.p16 d3 d1))), (*.p16 d2 d1), (*.p16 (-.p16 d4 (+.p16 d3 d1)) d1), (*.p16 (+.p16 d2 d4) d1), (*.p16 (neg.p16 (+.p16 d3 d1)) d1), (*.p16 d1 (-.p16 (*.p16 (+.p16 d2 d4) (+.p16 d2 d4)) (*.p16 (+.p16 d3 d1) (+.p16 d3 d1)))), (*.p16 d1 (-.p16 (+.p16 d2 d4) (+.p16 d3 d1))), (*.p16 d1 (-.p16 (+.p16 d2 d4) (+.p16 d3 d1))) 1.826 * * [simplify]: iteration 1: (24 enodes) 1.836 * * [simplify]: iteration 2: (81 enodes) 1.864 * * [simplify]: iteration 3: (278 enodes) 2.066 * * [simplify]: iteration 4: (1585 enodes) 6.173 * * [simplify]: Extracting #0: cost 11 inf + 0 6.175 * * [simplify]: Extracting #1: cost 595 inf + 0 6.200 * * [simplify]: Extracting #2: cost 3084 inf + 94461 6.404 * * [simplify]: Extracting #3: cost 2748 inf + 1859424 6.814 * * [simplify]: Extracting #4: cost 389 inf + 4767435 7.225 * * [simplify]: Extracting #5: cost 10 inf + 5315972 7.631 * * [simplify]: Extracting #6: cost 0 inf + 5335801 8.059 * [simplify]: Simplified to (-.p16 (+.p16 d4 d2) d3), (-.p16 d4 (+.p16 d3 d1)), (neg.p16 (+.p16 d3 d1)), (*.p16 (-.p16 (+.p16 d4 d2) (+.p16 d3 d1)) (+.p16 (+.p16 d4 d2) (+.p16 d3 d1))), (+.p16 (+.p16 d4 d2) (+.p16 d3 d1)), (*.p16 d2 d1), (*.p16 d1 (-.p16 d4 (+.p16 d3 d1))), (*.p16 (+.p16 d4 d2) d1), (*.p16 d1 (neg.p16 (+.p16 d3 d1))), (*.p16 d2 d1), (*.p16 d1 (-.p16 d4 (+.p16 d3 d1))), (*.p16 (+.p16 d4 d2) d1), (*.p16 d1 (neg.p16 (+.p16 d3 d1))), (*.p16 (*.p16 (-.p16 (+.p16 d4 d2) (+.p16 d3 d1)) (+.p16 (+.p16 d4 d2) (+.p16 d3 d1))) d1), (*.p16 (-.p16 (+.p16 d4 d2) (+.p16 d3 d1)) d1), (*.p16 (-.p16 (+.p16 d4 d2) (+.p16 d3 d1)) d1) 8.060 * * * [progress]: adding candidates to table 8.325 * * [progress]: iteration 2 / 4 8.325 * * * [progress]: picking best candidate 8.370 * * * * [pick]: Picked # 8.370 * * * [progress]: localizing error 8.464 * * * [progress]: generating rewritten candidates 8.464 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2) 8.472 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 2) 8.476 * * * * [progress]: [ 3 / 3 ] rewriting at (2) 8.482 * * * [progress]: generating series expansions 8.482 * * * * [progress]: [ 1 / 3 ] generating series at (2 2) 8.482 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 2) 8.482 * * * * [progress]: [ 3 / 3 ] generating series at (2) 8.482 * * * [progress]: simplifying candidates 8.482 * * * * [progress]: [ 1 / 12 ] simplifiying candidate # 8.482 * * * * [progress]: [ 2 / 12 ] simplifiying candidate # 8.483 * * * * [progress]: [ 3 / 12 ] simplifiying candidate # 8.483 * * * * [progress]: [ 4 / 12 ] simplifiying candidate # 8.483 * * * * [progress]: [ 5 / 12 ] simplifiying candidate # 8.483 * * * * [progress]: [ 6 / 12 ] simplifiying candidate # 8.483 * * * * [progress]: [ 7 / 12 ] simplifiying candidate # 8.483 * * * * [progress]: [ 8 / 12 ] simplifiying candidate # 8.483 * * * * [progress]: [ 9 / 12 ] simplifiying candidate # 8.483 * * * * [progress]: [ 10 / 12 ] simplifiying candidate # 8.483 * * * * [progress]: [ 11 / 12 ] simplifiying candidate # 8.483 * * * * [progress]: [ 12 / 12 ] simplifiying candidate # 8.483 * [simplify]: Simplifying (+.p16 d2 d4), (+.p16 d2 d4), (-.p16 d4 d3), (neg.p16 (+.p16 d3 d1)), (-.p16 (*.p16 d4 d4) (*.p16 (+.p16 d3 d1) (+.p16 d3 d1))), (+.p16 d4 (+.p16 d3 d1)), (*.p16 d1 d2), (*.p16 d1 (-.p16 d4 (+.p16 d3 d1))), (*.p16 d2 d1), (*.p16 (-.p16 d4 (+.p16 d3 d1)) d1), (-.p16 d4 (+.p16 d3 d1)), (-.p16 d4 (+.p16 d3 d1)), (-.p16 d4 (+.p16 d3 d1)) 8.484 * * [simplify]: iteration 1: (17 enodes) 8.491 * * [simplify]: iteration 2: (52 enodes) 8.518 * * [simplify]: iteration 3: (147 enodes) 8.589 * * [simplify]: iteration 4: (673 enodes) 9.338 * * [simplify]: Extracting #0: cost 8 inf + 0 9.338 * * [simplify]: Extracting #1: cost 273 inf + 0 9.341 * * [simplify]: Extracting #2: cost 923 inf + 16260 9.360 * * [simplify]: Extracting #3: cost 978 inf + 427074 9.420 * * [simplify]: Extracting #4: cost 235 inf + 1372518 9.527 * * [simplify]: Extracting #5: cost 4 inf + 1717226 9.620 * * [simplify]: Extracting #6: cost 0 inf + 1728037 9.721 * [simplify]: Simplified to (+.p16 d4 d2), (+.p16 d4 d2), (-.p16 d4 d3), (neg.p16 (+.p16 d3 d1)), (*.p16 (+.p16 d4 (+.p16 d3 d1)) (-.p16 d4 (+.p16 d3 d1))), (+.p16 d4 (+.p16 d3 d1)), (*.p16 d2 d1), (*.p16 (-.p16 d4 (+.p16 d3 d1)) d1), (*.p16 d2 d1), (*.p16 (-.p16 d4 (+.p16 d3 d1)) d1), (-.p16 d4 (+.p16 d3 d1)), (-.p16 d4 (+.p16 d3 d1)), (-.p16 d4 (+.p16 d3 d1)) 9.721 * * * [progress]: adding candidates to table 9.930 * * [progress]: iteration 3 / 4 9.930 * * * [progress]: picking best candidate 9.973 * * * * [pick]: Picked # 9.973 * * * [progress]: localizing error 10.090 * * * [progress]: generating rewritten candidates 10.090 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2) 10.103 * * * * [progress]: [ 2 / 3 ] rewriting at (2) 10.115 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 2) 10.124 * * * [progress]: generating series expansions 10.124 * * * * [progress]: [ 1 / 3 ] generating series at (2 2) 10.124 * * * * [progress]: [ 2 / 3 ] generating series at (2) 10.124 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 2) 10.124 * * * [progress]: simplifying candidates 10.124 * * * * [progress]: [ 1 / 14 ] simplifiying candidate # 10.124 * * * * [progress]: [ 2 / 14 ] simplifiying candidate # 10.124 * * * * [progress]: [ 3 / 14 ] simplifiying candidate # 10.124 * * * * [progress]: [ 4 / 14 ] simplifiying candidate # 10.124 * * * * [progress]: [ 5 / 14 ] simplifiying candidate # 10.124 * * * * [progress]: [ 6 / 14 ] simplifiying candidate # 10.124 * * * * [progress]: [ 7 / 14 ] simplifiying candidate # 10.125 * * * * [progress]: [ 8 / 14 ] simplifiying candidate # 10.125 * * * * [progress]: [ 9 / 14 ] simplifiying candidate # 10.125 * * * * [progress]: [ 10 / 14 ] simplifiying candidate # 10.125 * * * * [progress]: [ 11 / 14 ] simplifiying candidate # 10.125 * * * * [progress]: [ 12 / 14 ] simplifiying candidate # 10.125 * * * * [progress]: [ 13 / 14 ] simplifiying candidate # 10.125 * * * * [progress]: [ 14 / 14 ] simplifiying candidate # 10.125 * [simplify]: Simplifying (+.p16 d2 d4), (+.p16 d2 (-.p16 d4 d3)), (+.p16 d2 (-.p16 d4 d3)), (*.p16 d1 d2), (*.p16 d1 (-.p16 (-.p16 d4 d3) d1)), (*.p16 d2 d1), (*.p16 (-.p16 (-.p16 d4 d3) d1) d1), (-.p16 (neg.p16 d3) d1), (+.p16 d3 d1), (neg.p16 d1), (-.p16 (*.p16 (-.p16 d4 d3) (-.p16 d4 d3)) (*.p16 d1 d1)), (+.p16 (-.p16 d4 d3) d1), (-.p16 d4 d3), (-.p16 d4 d3), (-.p16 d4 d3) 10.126 * * [simplify]: iteration 1: (20 enodes) 10.135 * * [simplify]: iteration 2: (57 enodes) 10.166 * * [simplify]: iteration 3: (158 enodes) 10.261 * * [simplify]: iteration 4: (721 enodes) 11.394 * * [simplify]: Extracting #0: cost 10 inf + 0 11.395 * * [simplify]: Extracting #1: cost 262 inf + 0 11.403 * * [simplify]: Extracting #2: cost 1207 inf + 13893 11.460 * * [simplify]: Extracting #3: cost 1288 inf + 489297 11.602 * * [simplify]: Extracting #4: cost 481 inf + 1638993 11.784 * * [simplify]: Extracting #5: cost 13 inf + 2257911 12.001 * * [simplify]: Extracting #6: cost 0 inf + 2272629 12.216 * [simplify]: Simplified to (+.p16 d4 d2), (-.p16 (+.p16 d4 d2) d3), (-.p16 (+.p16 d4 d2) d3), (*.p16 d1 d2), (*.p16 d1 (-.p16 d4 (+.p16 d1 d3))), (*.p16 d1 d2), (*.p16 d1 (-.p16 d4 (+.p16 d1 d3))), (-.p16 (neg.p16 d3) d1), (+.p16 d1 d3), (neg.p16 d1), (*.p16 (-.p16 d4 (+.p16 d1 d3)) (+.p16 d4 (-.p16 d1 d3))), (+.p16 d4 (-.p16 d1 d3)), (-.p16 d4 d3), (-.p16 d4 d3), (-.p16 d4 d3) 12.217 * * * [progress]: adding candidates to table 12.525 * * [progress]: iteration 4 / 4 12.525 * * * [progress]: picking best candidate 12.592 * * * * [pick]: Picked # 12.592 * * * [progress]: localizing error 12.776 * * * [progress]: generating rewritten candidates 12.776 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2) 12.797 * * * * [progress]: [ 2 / 2 ] rewriting at (2) 12.815 * * * [progress]: generating series expansions 12.815 * * * * [progress]: [ 1 / 2 ] generating series at (2 2) 12.815 * * * * [progress]: [ 2 / 2 ] generating series at (2) 12.815 * * * [progress]: simplifying candidates 12.815 * * * * [progress]: [ 1 / 9 ] simplifiying candidate # 12.815 * * * * [progress]: [ 2 / 9 ] simplifiying candidate # 12.815 * * * * [progress]: [ 3 / 9 ] simplifiying candidate # 12.815 * * * * [progress]: [ 4 / 9 ] simplifiying candidate # 12.815 * * * * [progress]: [ 5 / 9 ] simplifiying candidate # 12.815 * * * * [progress]: [ 6 / 9 ] simplifiying candidate # 12.815 * * * * [progress]: [ 7 / 9 ] simplifiying candidate # 12.815 * * * * [progress]: [ 8 / 9 ] simplifiying candidate # 12.815 * * * * [progress]: [ 9 / 9 ] simplifiying candidate # 12.816 * [simplify]: Simplifying (+.p16 (+.p16 d2 d4) (neg.p16 d3)), (+.p16 d4 (-.p16 (neg.p16 d3) d1)), (+.p16 (+.p16 d2 d4) (neg.p16 d3)), (*.p16 d1 (+.p16 d2 d4)), (*.p16 d1 (-.p16 (neg.p16 d3) d1)), (*.p16 (+.p16 d2 d4) d1), (*.p16 (-.p16 (neg.p16 d3) d1) d1), (+.p16 d2 d4), (+.p16 d2 d4) 12.816 * * [simplify]: iteration 1: (13 enodes) 12.822 * * [simplify]: iteration 2: (41 enodes) 12.838 * * [simplify]: iteration 3: (87 enodes) 12.881 * * [simplify]: iteration 4: (209 enodes) 12.942 * * [simplify]: iteration 5: (722 enodes) 13.934 * * [simplify]: Extracting #0: cost 5 inf + 0 13.935 * * [simplify]: Extracting #1: cost 164 inf + 0 13.939 * * [simplify]: Extracting #2: cost 818 inf + 1789 13.954 * * [simplify]: Extracting #3: cost 1227 inf + 103149 14.024 * * [simplify]: Extracting #4: cost 501 inf + 823902 14.112 * * [simplify]: Extracting #5: cost 45 inf + 1521945 14.245 * * [simplify]: Extracting #6: cost 1 inf + 1599442 14.381 * * [simplify]: Extracting #7: cost 0 inf + 1602005 14.454 * [simplify]: Simplified to (-.p16 (+.p16 d4 d2) d3), (-.p16 d4 (+.p16 d1 d3)), (-.p16 (+.p16 d4 d2) d3), (*.p16 d1 (+.p16 d4 d2)), (*.p16 d1 (-.p16 (neg.p16 d3) d1)), (*.p16 d1 (+.p16 d4 d2)), (*.p16 d1 (-.p16 (neg.p16 d3) d1)), (+.p16 d4 d2), (+.p16 d4 d2) 14.454 * * * [progress]: adding candidates to table 14.647 * [progress]: [Phase 3 of 3] Extracting. 14.648 * * [regime]: Finding splitpoints for: (# # # # # #) 14.648 * * * [regime-changes]: Trying 4 branch expressions: (d4 d3 d2 d1) 14.648 * * * * [regimes]: Trying to branch on d4 from (# # # # # #) 14.764 * * * * [regimes]: Trying to branch on d3 from (# # # # # #) 14.923 * * * * [regimes]: Trying to branch on d2 from (# # # # # #) 15.034 * * * * [regimes]: Trying to branch on d1 from (# # # # # #) 15.180 * * * [regime]: Found split indices: #