Gurobi 5.0.1 (linux64) logging started Sun Nov 18 02:22:32 2012 Optimize a model with 186 rows, 433 columns and 433 nonzeros Model has 370 quadratic constraints Presolve time: 2.16s Presolved: 186 rows, 433 columns, 433 nonzeros Variable types: 370 continuous, 63 integer (63 binary) Root relaxation: objective 0.000000e+00, 31 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 99.0000000 - - - 2s 0 0 0.00000 0 35 99.00000 0.00000 100% - 2s 0 0 0.09395 0 61 99.00000 0.09395 100% - 2s 0 2 0.10651 0 61 99.00000 0.10651 100% - 2s H 54 52 50.0000000 5.45455 89.1% 37.1 2s * 197 164 26 49.0000000 7.41232 84.9% 39.4 2s H 234 169 45.0000000 7.82665 82.6% 41.0 2s 1069 484 30.36842 34 261 45.00000 15.33741 65.9% 46.2 5s 5478 1799 36.29787 31 256 45.00000 29.00000 35.6% 25.2 10s * 5675 1750 48 44.0000000 29.31579 33.4% 24.9 10s 7912 2024 40.50000 45 239 44.00000 31.75000 27.8% 23.0 15s 8164 2035 35.50000 31 254 44.00000 32.08000 27.1% 22.9 20s 10869 2114 cutoff 39 44.00000 34.57143 21.4% 21.9 25s 14964 1796 41.89362 39 251 44.00000 37.25000 15.3% 21.0 30s 19758 386 43.00000 39 266 44.00000 41.00000 6.82% 19.9 35s Explored 20277 nodes (399212 simplex iterations) in 35.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.400000000000e+01, best bound 4.400000000000e+01, gap 0.0%