Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:37:06 2012 Optimize a model with 128 rows, 422 columns and 422 nonzeros Model has 254 quadratic constraints Presolve removed 0 rows and 32 columns Presolve time: 1.48s Presolved: 128 rows, 390 columns, 390 nonzeros Variable types: 254 continuous, 136 integer (135 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 56.0000000 - - - 1s 0 0 0.00000 0 2 56.00000 0.00000 100% - 1s 0 0 0.00000 0 29 56.00000 0.00000 100% - 1s 0 0 0.00000 0 14 56.00000 0.00000 100% - 1s 0 2 0.00000 0 14 56.00000 0.00000 100% - 1s * 3 3 2 0.0000000 0.00000 0.0% 47.3 1s Cutting planes: Explored 4 nodes (833 simplex iterations) in 1.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%