Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:29 2012 Optimize a model with 1 rows, 14 columns and 14 nonzeros Model has 34 quadratic objective terms Modified 14 Q diagonals Presolve time: 0.01s Presolved: 1 rows, 14 columns, 14 nonzeros Presolved model has 48 quadratic objective terms Variable types: 0 continuous, 14 integer (14 binary) Found heuristic solution: objective 20.0000000 Root relaxation: objective 0.000000e+00, 16 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 14 20.00000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s 0 2 0.76862 0 14 14.00000 0.76862 94.5% - 0s H 3 3 13.0000000 2.89562 77.7% 1.3 0s H 24 15 12.0000000 2.91359 75.7% 1.9 0s Explored 462 nodes (996 simplex iterations) in 0.02 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%