Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:12 2012 Optimize a model with 1 rows, 10 columns and 10 nonzeros Model has 20 quadratic objective terms Presolve time: 0.00s Presolved: 21 rows, 30 columns, 70 nonzeros Variable types: 0 continuous, 30 integer (30 binary) Found heuristic solution: objective 13.0000000 Found heuristic solution: objective 12.0000000 Root relaxation: objective 0.000000e+00, 23 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 11 12.00000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s 0 0 0.00000 0 19 9.00000 0.00000 100% - 0s 0 0 0.00000 0 9 9.00000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s 0 2 0.00000 0 9 7.00000 0.00000 100% - 0s Cutting planes: Cover: 36 Explored 55 nodes (288 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%