Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:34:18 2012 Optimize a model with 131 rows, 421 columns and 421 nonzeros Model has 260 quadratic constraints Presolve removed 0 rows and 25 columns Presolve time: 1.52s Presolved: 131 rows, 396 columns, 396 nonzeros Variable types: 260 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 61.0000000 - - - 1s 0 0 0.00000 0 6 61.00000 0.00000 100% - 1s 0 0 0.00000 0 62 61.00000 0.00000 100% - 1s 0 0 0.00000 0 52 61.00000 0.00000 100% - 1s 0 2 0.00000 0 52 61.00000 0.00000 100% - 1s H 8 8 4.0000000 1.00000 75.0% 63.0 1s * 11 11 8 2.0000000 1.00000 50.0% 54.1 1s * 51 0 2 1.0000000 1.00000 0.0% 16.2 1s Cutting planes: Explored 52 nodes (2342 simplex iterations) in 1.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%