Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:40 2012 Optimize a model with 127 rows, 405 columns and 405 nonzeros Model has 252 quadratic constraints Presolve removed 0 rows and 34 columns Presolve time: 1.47s Presolved: 127 rows, 371 columns, 371 nonzeros Variable types: 252 continuous, 119 integer (118 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 55.0000000 - - - 1s 0 0 0.00000 0 5 55.00000 0.00000 100% - 1s 0 0 0.00000 0 54 55.00000 0.00000 100% - 1s 0 0 0.00000 0 54 55.00000 0.00000 100% - 1s 0 2 0.00000 0 54 55.00000 0.00000 100% - 1s * 14 13 11 3.0000000 0.48837 83.7% 47.6 1s Cutting planes: Explored 136 nodes (2906 simplex iterations) in 1.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%