Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:59 2012 Optimize a model with 1 rows, 39 columns and 39 nonzeros Model has 41 quadratic objective terms Presolve removed 0 rows and 6 columns Presolve time: 0.00s Presolved: 42 rows, 74 columns, 156 nonzeros Variable types: 0 continuous, 74 integer (73 binary) Found heuristic solution: objective 11.0000000 Root relaxation: objective 0.000000e+00, 48 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 9 11.00000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s 0 0 0.00000 0 17 9.00000 0.00000 100% - 0s 0 0 0.00000 0 7 9.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s 0 0 0.00000 0 11 6.00000 0.00000 100% - 0s 0 0 0.00000 0 13 6.00000 0.00000 100% - 0s 0 0 0.00000 0 11 6.00000 0.00000 100% - 0s 0 2 0.00000 0 8 6.00000 0.00000 100% - 0s H 44 24 4.0000000 0.00000 100% 3.0 0s Cutting planes: Gomory: 1 Cover: 66 Explored 133 nodes (1124 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%