Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:04 2012 Optimize a model with 1 rows, 6 columns and 6 nonzeros Model has 6 quadratic objective terms Presolve time: 0.00s Presolved: 7 rows, 12 columns, 24 nonzeros Variable types: 0 continuous, 12 integer (12 binary) Found heuristic solution: objective 4.0000000 Root relaxation: objective 0.000000e+00, 7 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 2 4.00000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 0 0.00000 0 2 2.00000 0.00000 100% - 0s 0 0 0.00000 0 2 2.00000 0.00000 100% - 0s 0 2 0.00000 0 2 2.00000 0.00000 100% - 0s Cutting planes: Cover: 2 Explored 12 nodes (36 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%