Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:56:28 2012 Optimize a model with 189 rows, 459 columns and 459 nonzeros Model has 376 quadratic constraints Presolve time: 2.19s Presolved: 189 rows, 459 columns, 459 nonzeros Variable types: 376 continuous, 83 integer (83 binary) Root relaxation: objective 0.000000e+00, 41 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 98.0000000 - - - 2s 0 0 0.00000 0 44 98.00000 0.00000 100% - 2s 0 0 0.08382 0 80 98.00000 0.08382 100% - 2s 0 2 0.17647 0 80 98.00000 0.17647 100% - 2s H 48 48 48.0000000 4.50000 90.6% 29.8 2s * 54 54 29 42.0000000 4.50000 89.3% 29.6 2s * 127 92 19 38.0000000 4.51515 88.1% 29.0 2s 1174 524 18.72973 34 267 38.00000 11.00000 71.1% 38.3 5s 5393 2245 28.21429 42 273 38.00000 21.84701 42.5% 24.1 10s 9989 3928 29.23611 40 287 38.00000 24.39566 35.8% 21.2 15s 14719 5337 32.45161 45 244 38.00000 26.07273 31.4% 20.0 20s 19570 6399 32.54839 43 242 38.00000 27.22605 28.4% 19.3 25s 24442 7316 36.77682 43 247 38.00000 28.09375 26.1% 18.9 30s 29515 8102 37.62864 45 241 38.00000 28.88889 24.0% 18.4 35s 34560 8790 35.12121 45 264 38.00000 29.51507 22.3% 18.2 40s 39652 9297 34.00000 43 234 38.00000 30.08626 20.8% 18.0 45s 40804 9405 cutoff 46 38.00000 30.20896 20.5% 17.9 52s 43597 9553 37.54054 57 210 38.00000 30.52239 19.7% 17.9 55s 48795 9770 36.52130 45 252 38.00000 31.03471 18.3% 17.7 60s *52411 6869 48 36.0000000 31.40000 12.8% 17.6 62s 52634 6800 32.34976 47 266 36.00000 31.46049 12.6% 17.5 65s 52891 6711 33.27346 38 242 36.00000 31.51726 12.5% 17.5 70s 53208 6605 33.30021 46 270 36.00000 31.59890 12.2% 17.5 75s 53492 6512 32.56687 39 255 36.00000 31.66667 12.0% 17.5 81s 53686 6445 34.00000 44 252 36.00000 31.72581 11.9% 17.5 85s 57749 4751 cutoff 44 36.00000 32.75000 9.03% 17.4 90s Explored 64267 nodes (1077444 simplex iterations) in 94.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.600000000005e+01, best bound 3.600000000005e+01, gap 0.0%