Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:53 2012 Optimize a model with 1 rows, 17 columns and 17 nonzeros Model has 71 quadratic objective terms Modified 17 Q diagonals Presolve time: 0.01s Presolved: 1 rows, 17 columns, 17 nonzeros Presolved model has 88 quadratic objective terms Variable types: 0 continuous, 17 integer (17 binary) Found heuristic solution: objective 36.0000000 Root relaxation: objective 0.000000e+00, 19 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 17 36.00000 0.00000 100% - 0s H 0 0 35.0000000 0.00000 100% - 0s H 0 0 34.0000000 0.00000 100% - 0s 0 2 2.37900 0 17 34.00000 2.37900 93.0% - 0s H 6 6 30.0000000 4.26399 85.8% 1.7 0s H 8 8 28.0000000 4.26399 84.8% 1.8 0s H 1110 185 27.0000000 15.51101 42.6% 2.1 0s Explored 2482 nodes (5140 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.700000000000e+01, best bound 2.700000000000e+01, gap 0.0%