Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:36 2012 Optimize a model with 1 rows, 37 columns and 37 nonzeros Model has 63 quadratic objective terms Presolve time: 0.00s Presolved: 64 rows, 100 columns, 226 nonzeros Variable types: 0 continuous, 100 integer (100 binary) Found heuristic solution: objective 22.0000000 Root relaxation: objective 0.000000e+00, 83 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 21 22.00000 0.00000 100% - 0s H 0 0 21.0000000 0.00000 100% - 0s H 0 0 20.0000000 0.00000 100% - 0s 0 0 0.00000 0 19 20.00000 0.00000 100% - 0s H 0 0 19.0000000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s 0 0 0.00000 0 29 18.00000 0.00000 100% - 0s 0 0 0.00000 0 18 18.00000 0.00000 100% - 0s H 0 0 15.0000000 0.00000 100% - 0s 0 2 0.00000 0 18 15.00000 0.00000 100% - 0s H 163 99 13.0000000 0.00000 100% 5.3 0s H 176 95 12.0000000 0.00000 100% 5.7 0s * 214 92 7 11.0000000 1.00000 90.9% 6.6 0s * 256 81 9 10.0000000 2.00000 80.0% 9.2 0s Cutting planes: Gomory: 1 Cover: 122 Explored 355 nodes (4771 simplex iterations) in 0.07 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%