Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:33:28 2012 Optimize a model with 128 rows, 413 columns and 413 nonzeros Model has 254 quadratic constraints Presolve removed 0 rows and 24 columns Presolve time: 1.48s Presolved: 128 rows, 389 columns, 389 nonzeros Variable types: 254 continuous, 135 integer (134 binary) Root relaxation: objective 0.000000e+00, 47 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 59.0000000 - - - 1s 0 0 0.00000 0 55 59.00000 0.00000 100% - 1s 0 0 0.00000 0 65 59.00000 0.00000 100% - 1s 0 0 0.00000 0 90 59.00000 0.00000 100% - 1s 0 2 0.00000 0 90 59.00000 0.00000 100% - 1s * 24 16 18 3.0000000 0.63333 78.9% 26.1 1s * 76 10 5 2.0000000 1.05000 47.5% 12.3 1s Cutting planes: Explored 100 nodes (2782 simplex iterations) in 1.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%