Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:30 2012 Optimize a model with 1 rows, 11 columns and 11 nonzeros Model has 7 quadratic objective terms Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 8 rows, 17 columns, 31 nonzeros Variable types: 0 continuous, 17 integer (16 binary) Found heuristic solution: objective 3.0000000 Root relaxation: objective 0.000000e+00, 12 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 4 3.00000 0.00000 100% - 0s 0 0 0.00000 0 1 3.00000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s 0 0 0.00000 0 7 1.00000 0.00000 100% - 0s Cutting planes: Cover: 3 Explored 0 nodes (20 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%