Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:14:02 2012 Optimize a model with 162 rows, 380 columns and 380 nonzeros Model has 322 quadratic constraints Presolve time: 1.88s Presolved: 162 rows, 380 columns, 380 nonzeros Variable types: 322 continuous, 58 integer (58 binary) Root relaxation: objective 0.000000e+00, 29 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 80.0000000 - - - 1s 0 0 0.00000 0 32 80.00000 0.00000 100% - 1s 0 0 0.07727 0 55 80.00000 0.07727 100% - 1s 0 2 0.09375 0 55 80.00000 0.09375 100% - 1s H 48 48 48.0000000 4.94118 89.7% 33.5 1s H 54 54 46.0000000 4.94118 89.3% 30.5 1s H 94 83 45.0000000 5.21154 88.4% 32.7 2s * 94 81 23 44.0000000 5.21154 88.2% 32.7 2s * 96 75 22 43.0000000 5.21154 87.9% 32.4 2s H 128 96 41.0000000 5.67500 86.2% 33.8 2s H 226 161 40.0000000 9.50000 76.3% 37.2 2s 2098 774 29.10938 36 227 40.00000 19.15789 52.1% 30.8 5s 7632 2822 cutoff 38 40.00000 27.00000 32.5% 21.1 10s 13706 4291 39.36364 46 213 40.00000 29.54545 26.1% 18.6 15s *16112 4352 48 39.0000000 30.14706 22.7% 18.3 17s 16473 4365 36.09302 43 209 39.00000 30.28571 22.3% 18.2 20s 16803 4384 35.96875 41 200 39.00000 30.42857 22.0% 18.1 25s 21541 4309 34.01667 40 238 39.00000 31.89063 18.2% 17.7 30s 25709 3819 36.61364 40 212 39.00000 33.06452 15.2% 17.5 35s 30629 2390 36.79592 41 225 39.00000 34.78125 10.8% 17.5 40s Explored 34444 nodes (590487 simplex iterations) in 42.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.900000000004e+01, best bound 3.900000000004e+01, gap 0.0%