Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:09 2012 Optimize a model with 1 rows, 9 columns and 9 nonzeros Model has 23 quadratic objective terms Modified 9 Q diagonals Presolve time: 0.01s Presolved: 1 rows, 9 columns, 9 nonzeros Presolved model has 32 quadratic objective terms Variable types: 0 continuous, 9 integer (9 binary) Found heuristic solution: objective 11.0000000 Root relaxation: objective 0.000000e+00, 11 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 9 11.00000 0.00000 100% - 0s 0 2 1.16776 0 9 11.00000 1.16776 89.4% - 0s * 13 9 7 10.0000000 2.74766 72.5% 2.2 0s Explored 76 nodes (164 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%