Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:28 2012 Optimize a model with 59 rows, 152 columns and 152 nonzeros Model has 116 quadratic constraints Presolve removed 0 rows and 1 columns Presolve time: 0.68s Presolved: 59 rows, 151 columns, 151 nonzeros Variable types: 116 continuous, 35 integer (34 binary) Root relaxation: objective 0.000000e+00, 18 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 33.0000000 - - - 0s 0 0 0.00000 0 3 33.00000 0.00000 100% - 0s 0 0 0.00000 0 2 33.00000 0.00000 100% - 0s 0 0 0.00000 0 2 33.00000 0.00000 100% - 0s 0 2 0.00000 0 26 33.00000 0.00000 100% - 0s * 24 23 15 13.0000000 2.16667 83.3% 15.4 0s * 40 28 10 11.0000000 2.27273 79.3% 14.3 0s Cutting planes: Gomory: 1 Explored 277 nodes (3124 simplex iterations) in 0.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%