Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:39 2012 Optimize a model with 1 rows, 35 columns and 35 nonzeros Model has 35 quadratic objective terms Presolve removed 0 rows and 3 columns Presolve time: 0.00s Presolved: 36 rows, 67 columns, 137 nonzeros Variable types: 0 continuous, 67 integer (66 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 3.0000000 0.00000 100% - 0s 0 0 0.00000 0 8 3.00000 0.00000 100% - 0s 0 0 0.00000 0 7 3.00000 0.00000 100% - 0s 0 0 0.00000 0 8 3.00000 0.00000 100% - 0s 0 0 0.00000 0 8 3.00000 0.00000 100% - 0s 0 2 0.00000 0 8 3.00000 0.00000 100% - 0s Cutting planes: Cover: 65 Explored 90 nodes (806 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%