Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:15 2012 Optimize a model with 1 rows, 11 columns and 11 nonzeros Model has 32 quadratic objective terms Modified 11 Q diagonals Presolve time: 0.01s Presolved: 1 rows, 11 columns, 11 nonzeros Presolved model has 43 quadratic objective terms Variable types: 0 continuous, 11 integer (11 binary) Found heuristic solution: objective 18.0000000 Root relaxation: objective 0.000000e+00, 13 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 11 18.00000 0.00000 100% - 0s H 0 0 17.0000000 0.00000 100% - 0s H 0 0 15.0000000 0.00000 100% - 0s 0 2 1.40689 0 11 15.00000 1.40689 90.6% - 0s H 54 27 14.0000000 5.49035 60.8% 2.0 0s * 55 24 7 13.0000000 5.49035 57.8% 2.0 0s * 175 0 5 12.0000000 12.00000 0.0% 2.1 0s Explored 176 nodes (372 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%