Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:02 2012 Optimize a model with 1 rows, 39 columns and 39 nonzeros Model has 84 quadratic objective terms Modified 39 Q diagonals Presolve time: 0.01s Presolved: 1 rows, 39 columns, 39 nonzeros Presolved model has 123 quadratic objective terms Variable types: 0 continuous, 39 integer (39 binary) Found heuristic solution: objective 39.0000000 Root relaxation: objective 0.000000e+00, 41 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 39 39.00000 0.00000 100% - 0s H 0 0 25.0000000 0.00000 100% - 0s H 0 0 15.0000000 0.00000 100% - 0s 0 2 1.54736 0 39 15.00000 1.54736 89.7% - 0s Explored 2109 nodes (5842 simplex iterations) in 0.18 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%