Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:04 2012 Optimize a model with 1 rows, 34 columns and 34 nonzeros Model has 72 quadratic objective terms Modified 34 Q diagonals Presolve time: 0.04s Presolved: 1 rows, 34 columns, 34 nonzeros Presolved model has 106 quadratic objective terms Variable types: 0 continuous, 34 integer (34 binary) Found heuristic solution: objective 39.0000000 Root relaxation: objective 0.000000e+00, 36 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 34 39.00000 0.00000 100% - 0s H 0 0 19.0000000 0.00000 100% - 0s 0 2 1.77247 0 34 19.00000 1.77247 90.7% - 0s H 1 1 18.0000000 1.77247 90.2% 0.0 0s H 4 4 16.0000000 2.36335 85.2% 1.5 0s H 32 23 15.0000000 2.36335 84.2% 2.8 0s H 604 279 14.0000000 5.89790 57.9% 2.4 0s Explored 1768 nodes (4619 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0%