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 43 quadratic objective terms Modified 14 Q diagonals Presolve time: 0.01s Presolved: 1 rows, 14 columns, 14 nonzeros Presolved model has 57 quadratic objective terms Variable types: 0 continuous, 14 integer (14 binary) Found heuristic solution: objective 26.0000000 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 26.00000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s H 0 0 21.0000000 0.00000 100% - 0s 0 2 1.01954 0 14 21.00000 1.01954 95.1% - 0s H 19 18 18.0000000 2.84192 84.2% 1.9 0s H 46 32 17.0000000 4.33892 74.5% 1.9 0s * 211 74 8 16.0000000 6.47590 59.5% 2.1 0s * 703 0 8 15.0000000 15.00000 0.0% 2.1 0s Explored 704 nodes (1509 simplex iterations) in 0.03 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%