Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:46:46 2012 Optimize a model with 252 rows, 723 columns and 723 nonzeros Model has 502 quadratic constraints Presolve removed 0 rows and 21 columns Presolve time: 2.93s Presolved: 252 rows, 702 columns, 702 nonzeros Variable types: 502 continuous, 200 integer (199 binary) Root relaxation: objective 0.000000e+00, 83 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 116.0000000 - - - 2s 0 0 0.00000 0 84 116.00000 0.00000 100% - 2s 0 0 0.00000 0 16 116.00000 0.00000 100% - 2s 0 0 0.00000 0 163 116.00000 0.00000 100% - 2s 0 2 0.00000 0 162 116.00000 0.00000 100% - 3s H 50 50 25.0000000 2.37909 90.5% 31.8 3s H 54 54 22.0000000 2.37909 89.2% 31.9 3s * 59 52 36 21.0000000 2.37909 88.7% 31.5 3s H 94 80 19.0000000 2.65600 86.0% 26.4 3s H 153 62 16.0000000 2.73049 82.9% 21.9 3s 625 190 12.00000 20 359 16.00000 8.88101 44.5% 30.2 5s 2646 394 14.81738 27 419 16.00000 11.42857 28.6% 33.8 10s * 2807 340 37 15.0000000 11.72222 21.9% 33.7 10s Explored 3654 nodes (119986 simplex iterations) in 12.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%