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 0.009 * * * * [points]: Setting MPFR precision to 320 0.010 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision 0.012 * * * * [points]: Setting MPFR precision to 64 0.016 * * * * [points]: Setting MPFR precision to 320 0.019 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision 0.020 * * * * [points]: Setting MPFR precision to 64 0.026 * * * * [points]: Setting MPFR precision to 320 0.032 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision 0.033 * * * * [points]: Setting MPFR precision to 64 0.039 * * * * [points]: Setting MPFR precision to 320 0.045 * * * * [points]: Computing exacts for 256 points 0.046 * * * * [points]: Setting MPFR precision to 64 0.069 * * * * [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. 0.107 * [progress]: [Phase 2 of 3] Improving. 0.107 * * * * [progress]: [ 1 / 1 ] simplifiying candidate # 0.107 * [simplify]: Simplifying: (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)) 0.107 * * [simplify]: iteration 1: (11 enodes) 0.110 * * [simplify]: iteration 2: (43 enodes) 0.124 * * [simplify]: iteration 3: (148 enodes) 0.201 * * [simplify]: iteration 4: (674 enodes) 1.156 * * [simplify]: Extracting #0: cost 1 inf + 0 1.156 * * [simplify]: Extracting #1: cost 81 inf + 0 1.157 * * [simplify]: Extracting #2: cost 477 inf + 1 1.164 * * [simplify]: Extracting #3: cost 1267 inf + 131643 1.214 * * [simplify]: Extracting #4: cost 730 inf + 1349185 1.306 * * [simplify]: Extracting #5: cost 89 inf + 2350123 1.411 * * [simplify]: Extracting #6: cost 2 inf + 2431041 1.515 * * [simplify]: Extracting #7: cost 0 inf + 2424645 1.620 * [simplify]: Simplified to: (*.p16 d1 (-.p16 (+.p16 d2 d4) (+.p16 d3 d1))) 1.633 * * [progress]: iteration 1 / 4 1.633 * * * [progress]: picking best candidate 1.646 * * * * [pick]: Picked # 1.646 * * * [progress]: localizing error 1.733 * * * [progress]: generating rewritten candidates 1.733 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2) 1.739 * * * * [progress]: [ 2 / 2 ] rewriting at (2) 1.746 * * * [progress]: generating series expansions 1.746 * * * * [progress]: [ 1 / 2 ] generating series at (2 2) 1.746 * * * * [progress]: [ 2 / 2 ] generating series at (2) 1.747 * * * [progress]: simplifying candidates 1.747 * * * * [progress]: [ 1 / 12 ] simplifiying candidate # 1.747 * * * * [progress]: [ 2 / 12 ] simplifiying candidate # 1.747 * * * * [progress]: [ 3 / 12 ] simplifiying candidate # 1.747 * * * * [progress]: [ 4 / 12 ] simplifiying candidate # 1.747 * * * * [progress]: [ 5 / 12 ] simplifiying candidate # 1.747 * * * * [progress]: [ 6 / 12 ] simplifiying candidate # 1.747 * * * * [progress]: [ 7 / 12 ] simplifiying candidate # 1.747 * * * * [progress]: [ 8 / 12 ] simplifiying candidate # 1.747 * * * * [progress]: [ 9 / 12 ] simplifiying candidate # 1.747 * * * * [progress]: [ 10 / 12 ] simplifiying candidate # 1.747 * * * * [progress]: [ 11 / 12 ] simplifiying candidate # 1.747 * * * * [progress]: [ 12 / 12 ] simplifiying candidate # 1.747 * [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))) 1.747 * * [simplify]: iteration 1: (24 enodes) 1.752 * * [simplify]: iteration 2: (81 enodes) 1.769 * * [simplify]: iteration 3: (278 enodes) 1.872 * * [simplify]: iteration 4: (1585 enodes) 5.605 * * [simplify]: Extracting #0: cost 11 inf + 0 5.607 * * [simplify]: Extracting #1: cost 595 inf + 0 5.643 * * [simplify]: Extracting #2: cost 3084 inf + 94461 5.757 * * [simplify]: Extracting #3: cost 2748 inf + 1859424 6.144 * * [simplify]: Extracting #4: cost 389 inf + 4767435 6.620 * * [simplify]: Extracting #5: cost 10 inf + 5315972 7.050 * * [simplify]: Extracting #6: cost 0 inf + 5335801 7.532 * [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) 7.533 * * * [progress]: adding candidates to table 7.835 * * [progress]: iteration 2 / 4 7.835 * * * [progress]: picking best candidate 7.879 * * * * [pick]: Picked # 7.879 * * * [progress]: localizing error 7.977 * * * [progress]: generating rewritten candidates 7.977 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2) 7.981 * * * * [progress]: [ 2 / 3 ] rewriting at (2) 7.984 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 2) 7.986 * * * [progress]: generating series expansions 7.987 * * * * [progress]: [ 1 / 3 ] generating series at (2 2) 7.987 * * * * [progress]: [ 2 / 3 ] generating series at (2) 7.987 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 2) 7.987 * * * [progress]: simplifying candidates 7.987 * * * * [progress]: [ 1 / 12 ] simplifiying candidate # 7.987 * * * * [progress]: [ 2 / 12 ] simplifiying candidate # 7.987 * * * * [progress]: [ 3 / 12 ] simplifiying candidate # 7.987 * * * * [progress]: [ 4 / 12 ] simplifiying candidate # 7.987 * * * * [progress]: [ 5 / 12 ] simplifiying candidate # 7.987 * * * * [progress]: [ 6 / 12 ] simplifiying candidate # 7.987 * * * * [progress]: [ 7 / 12 ] simplifiying candidate # 7.987 * * * * [progress]: [ 8 / 12 ] simplifiying candidate # 7.987 * * * * [progress]: [ 9 / 12 ] simplifiying candidate # 7.987 * * * * [progress]: [ 10 / 12 ] simplifiying candidate # 7.987 * * * * [progress]: [ 11 / 12 ] simplifiying candidate # 7.987 * * * * [progress]: [ 12 / 12 ] simplifiying candidate # 7.987 * [simplify]: Simplifying: (+.p16 d2 d4) (+.p16 d2 d4) (*.p16 d1 d2) (*.p16 d1 (-.p16 d4 (+.p16 d3 d1))) (*.p16 d2 d1) (*.p16 (-.p16 d4 (+.p16 d3 d1)) d1) (-.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 d4 (+.p16 d3 d1)) (-.p16 d4 (+.p16 d3 d1)) (-.p16 d4 (+.p16 d3 d1)) 7.987 * * [simplify]: iteration 1: (17 enodes) 7.991 * * [simplify]: iteration 2: (52 enodes) 8.000 * * [simplify]: iteration 3: (147 enodes) 8.042 * * [simplify]: iteration 4: (673 enodes) 8.700 * * [simplify]: Extracting #0: cost 8 inf + 0 8.701 * * [simplify]: Extracting #1: cost 271 inf + 0 8.708 * * [simplify]: Extracting #2: cost 913 inf + 16191 8.740 * * [simplify]: Extracting #3: cost 1030 inf + 311267 8.858 * * [simplify]: Extracting #4: cost 271 inf + 1335184 9.013 * * [simplify]: Extracting #5: cost 6 inf + 1729990 9.174 * * [simplify]: Extracting #6: cost 0 inf + 1737974 9.309 * [simplify]: Simplified to: (+.p16 d4 d2) (+.p16 d4 d2) (*.p16 d1 d2) (*.p16 (-.p16 d4 (+.p16 d1 d3)) d1) (*.p16 d1 d2) (*.p16 (-.p16 d4 (+.p16 d1 d3)) d1) (-.p16 d4 d3) (neg.p16 (+.p16 d1 d3)) (*.p16 (+.p16 d4 (+.p16 d1 d3)) (-.p16 d4 (+.p16 d1 d3))) (+.p16 d4 (+.p16 d1 d3)) (-.p16 d4 (+.p16 d1 d3)) (-.p16 d4 (+.p16 d1 d3)) (-.p16 d4 (+.p16 d1 d3)) 9.310 * * * [progress]: adding candidates to table 9.504 * * [progress]: iteration 3 / 4 9.504 * * * [progress]: picking best candidate 9.557 * * * * [pick]: Picked # 9.557 * * * [progress]: localizing error 9.645 * * * [progress]: generating rewritten candidates 9.645 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2) 9.659 * * * * [progress]: [ 2 / 3 ] rewriting at (2) 9.665 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 2) 9.673 * * * [progress]: generating series expansions 9.673 * * * * [progress]: [ 1 / 3 ] generating series at (2 2) 9.673 * * * * [progress]: [ 2 / 3 ] generating series at (2) 9.673 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 2) 9.673 * * * [progress]: simplifying candidates 9.673 * * * * [progress]: [ 1 / 14 ] simplifiying candidate # 9.673 * * * * [progress]: [ 2 / 14 ] simplifiying candidate # 9.673 * * * * [progress]: [ 3 / 14 ] simplifiying candidate # 9.673 * * * * [progress]: [ 4 / 14 ] simplifiying candidate # 9.673 * * * * [progress]: [ 5 / 14 ] simplifiying candidate # 9.673 * * * * [progress]: [ 6 / 14 ] simplifiying candidate # 9.673 * * * * [progress]: [ 7 / 14 ] simplifiying candidate # 9.673 * * * * [progress]: [ 8 / 14 ] simplifiying candidate # 9.673 * * * * [progress]: [ 9 / 14 ] simplifiying candidate # 9.673 * * * * [progress]: [ 10 / 14 ] simplifiying candidate # 9.674 * * * * [progress]: [ 11 / 14 ] simplifiying candidate # 9.674 * * * * [progress]: [ 12 / 14 ] simplifiying candidate # 9.674 * * * * [progress]: [ 13 / 14 ] simplifiying candidate # 9.674 * * * * [progress]: [ 14 / 14 ] simplifiying candidate # 9.674 * [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) 9.674 * * [simplify]: iteration 1: (20 enodes) 9.682 * * [simplify]: iteration 2: (57 enodes) 9.695 * * [simplify]: iteration 3: (158 enodes) 9.757 * * [simplify]: iteration 4: (721 enodes) 10.757 * * [simplify]: Extracting #0: cost 10 inf + 0 10.769 * * [simplify]: Extracting #1: cost 262 inf + 0 10.777 * * [simplify]: Extracting #2: cost 1207 inf + 13893 10.823 * * [simplify]: Extracting #3: cost 1288 inf + 489297 10.967 * * [simplify]: Extracting #4: cost 481 inf + 1638993 11.179 * * [simplify]: Extracting #5: cost 13 inf + 2257911 11.402 * * [simplify]: Extracting #6: cost 0 inf + 2272629 11.580 * [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) 11.580 * * * [progress]: adding candidates to table 11.806 * * [progress]: iteration 4 / 4 11.806 * * * [progress]: picking best candidate 11.866 * * * * [pick]: Picked # 11.866 * * * [progress]: localizing error 12.025 * * * [progress]: generating rewritten candidates 12.025 * * * * [progress]: [ 1 / 3 ] rewriting at (2) 12.032 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2) 12.038 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 1) 12.042 * * * [progress]: generating series expansions 12.042 * * * * [progress]: [ 1 / 3 ] generating series at (2) 12.042 * * * * [progress]: [ 2 / 3 ] generating series at (2 2) 12.042 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 1) 12.042 * * * [progress]: simplifying candidates 12.042 * * * * [progress]: [ 1 / 10 ] simplifiying candidate # 12.042 * * * * [progress]: [ 2 / 10 ] simplifiying candidate # 12.043 * * * * [progress]: [ 3 / 10 ] simplifiying candidate # 12.043 * * * * [progress]: [ 4 / 10 ] simplifiying candidate # 12.043 * * * * [progress]: [ 5 / 10 ] simplifiying candidate # 12.043 * * * * [progress]: [ 6 / 10 ] simplifiying candidate # 12.043 * * * * [progress]: [ 7 / 10 ] simplifiying candidate # 12.043 * * * * [progress]: [ 8 / 10 ] simplifiying candidate # 12.043 * * * * [progress]: [ 9 / 10 ] simplifiying candidate # 12.043 * * * * [progress]: [ 10 / 10 ] simplifiying candidate # 12.043 * [simplify]: Simplifying: (+.p16 d2 (-.p16 d4 (+.p16 d3 d1))) (*.p16 (-.p16 (*.p16 d4 d4) (*.p16 (+.p16 d3 d1) (+.p16 d3 d1))) d1) (-.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 d2 d1) (*.p16 (-.p16 d4 (+.p16 d3 d1)) d1) (*.p16 d2 d1) (*.p16 (-.p16 d4 (+.p16 d3 d1)) d1) (*.p16 d2 d1) (*.p16 (-.p16 d4 (+.p16 d3 d1)) d1) 12.044 * * [simplify]: iteration 1: (16 enodes) 12.050 * * [simplify]: iteration 2: (56 enodes) 12.072 * * [simplify]: iteration 3: (179 enodes) 12.138 * * [simplify]: iteration 4: (840 enodes) 13.132 * * [simplify]: Extracting #0: cost 8 inf + 0 13.133 * * [simplify]: Extracting #1: cost 361 inf + 0 13.137 * * [simplify]: Extracting #2: cost 1330 inf + 19167 13.159 * * [simplify]: Extracting #3: cost 1338 inf + 428161 13.250 * * [simplify]: Extracting #4: cost 367 inf + 1643681 13.395 * * [simplify]: Extracting #5: cost 6 inf + 2196356 13.518 * * [simplify]: Extracting #6: cost 0 inf + 2206212 13.630 * [simplify]: Simplified to: (+.p16 d2 (-.p16 d4 (+.p16 d3 d1))) (*.p16 (+.p16 (+.p16 d1 d4) d3) (*.p16 (-.p16 d4 (+.p16 d3 d1)) d1)) (-.p16 d4 d3) (neg.p16 (+.p16 d3 d1)) (*.p16 (-.p16 d4 (+.p16 d3 d1)) (+.p16 d3 (+.p16 d1 d4))) (+.p16 (+.p16 d1 d4) d3) (*.p16 d1 d2) (*.p16 (-.p16 d4 (+.p16 d3 d1)) d1) (*.p16 d1 d2) (*.p16 (-.p16 d4 (+.p16 d3 d1)) d1) (*.p16 d1 d2) (*.p16 (-.p16 d4 (+.p16 d3 d1)) d1) 13.630 * * * [progress]: adding candidates to table 13.844 * [progress]: [Phase 3 of 3] Extracting. 13.844 * * [regime]: Finding splitpoints for: (# # # # # # #) 13.846 * * * [regime-changes]: Trying 4 branch expressions: (d4 d3 d2 d1) 13.846 * * * * [regimes]: Trying to branch on d4 from (# # # # # # #) 14.088 * * * * [regimes]: Trying to branch on d3 from (# # # # # # #) 14.321 * * * * [regimes]: Trying to branch on d2 from (# # # # # # #) 14.505 * * * * [regimes]: Trying to branch on d1 from (# # # # # # #) 14.664 * * * [regime]: Found split indices: #