Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:43:53 2012 Optimize a model with 102 rows, 246 columns and 246 nonzeros Model has 202 quadratic constraints Presolve removed 0 rows and 1 columns Presolve time: 1.18s Presolved: 102 rows, 245 columns, 245 nonzeros Variable types: 202 continuous, 43 integer (42 binary) Root relaxation: objective 0.000000e+00, 21 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 53.0000000 - - - 1s 0 0 0.00000 0 42 53.00000 0.00000 100% - 1s 0 0 0.45351 0 42 53.00000 0.45351 99.1% - 1s 0 2 0.47619 0 42 53.00000 0.47619 99.1% - 1s * 23 21 14 24.0000000 6.20238 74.2% 26.5 1s * 106 47 9 23.0000000 12.43333 45.9% 22.0 1s Cutting planes: Gomory: 1 Explored 473 nodes (8722 simplex iterations) in 1.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.300000000000e+01, best bound 2.300000000000e+01, gap 0.0%