Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:20:30 2012 Optimize a model with 136 rows, 335 columns and 335 nonzeros Model has 270 quadratic constraints Presolve time: 1.58s Presolved: 136 rows, 335 columns, 335 nonzeros Variable types: 270 continuous, 65 integer (65 binary) Root relaxation: objective 0.000000e+00, 32 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 68.0000000 - - - 1s 0 0 0.00000 0 35 68.00000 0.00000 100% - 1s 0 0 0.09727 0 62 68.00000 0.09727 100% - 1s 0 2 0.15927 0 62 68.00000 0.15927 100% - 1s * 32 32 18 26.0000000 2.47368 90.5% 33.0 1s H 103 49 19.0000000 4.55114 76.0% 35.7 1s Cutting planes: Gomory: 4 Explored 357 nodes (13054 simplex iterations) in 1.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.899999999994e+01, best bound 1.899999999994e+01, gap 0.0%