Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:56:57 2012 Optimize a model with 133 rows, 318 columns and 318 nonzeros Model has 264 quadratic constraints Presolve time: 1.54s Presolved: 133 rows, 318 columns, 318 nonzeros Variable types: 264 continuous, 54 integer (54 binary) Root relaxation: objective 0.000000e+00, 27 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 22 61.00000 0.00000 100% - 1s 0 0 0.00000 0 53 61.00000 0.00000 100% - 1s 0 0 0.00000 0 53 61.00000 0.00000 100% - 1s 0 2 0.00000 0 53 61.00000 0.00000 100% - 1s * 37 37 19 32.0000000 3.53333 89.0% 33.9 1s H 170 112 31.0000000 6.61015 78.7% 29.9 1s * 174 101 16 30.0000000 6.61015 78.0% 29.7 1s * 227 107 13 29.0000000 9.12500 68.5% 29.7 1s Cutting planes: Explored 1236 nodes (35115 simplex iterations) in 2.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.900000000000e+01, best bound 2.900000000000e+01, gap 0.0%