Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:20 2012 Optimize a model with 49 rows, 123 columns and 123 nonzeros Model has 96 quadratic constraints Presolve time: 0.56s Presolved: 49 rows, 123 columns, 123 nonzeros Variable types: 96 continuous, 27 integer (27 binary) Root relaxation: objective 0.000000e+00, 13 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 26.0000000 - - - 0s 0 0 0.00000 0 2 26.00000 0.00000 100% - 0s 0 0 0.00000 0 16 26.00000 0.00000 100% - 0s 0 0 0.00000 0 9 26.00000 0.00000 100% - 0s 0 2 0.00000 0 23 26.00000 0.00000 100% - 0s * 19 19 11 12.0000000 1.95000 83.8% 25.9 0s * 32 22 10 10.0000000 2.00000 80.0% 21.0 0s Cutting planes: Explored 133 nodes (2011 simplex iterations) in 0.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%