Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:11 2012 Optimize a model with 1 rows, 26 columns and 26 nonzeros Model has 33 quadratic objective terms Presolve time: 0.00s Presolved: 34 rows, 59 columns, 125 nonzeros Variable types: 0 continuous, 59 integer (59 binary) Found heuristic solution: objective 14.0000000 Root relaxation: objective 0.000000e+00, 46 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 14 14.00000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s 0 0 0.00000 0 17 11.00000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s 0 0 0.00000 0 21 9.00000 0.00000 100% - 0s 0 0 0.00000 0 21 9.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s 0 2 0.00000 0 21 6.00000 0.00000 100% - 0s * 112 28 6 5.0000000 1.50000 70.0% 5.6 0s Cutting planes: Cover: 57 MIR: 3 Explored 140 nodes (978 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%