Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:19:02 2012 Optimize a model with 97 rows, 252 columns and 252 nonzeros Model has 192 quadratic constraints Presolve removed 0 rows and 1 columns Presolve time: 1.13s Presolved: 97 rows, 251 columns, 251 nonzeros Variable types: 192 continuous, 59 integer (58 binary) Root relaxation: objective 0.000000e+00, 30 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 48.0000000 - - - 1s 0 0 0.00000 0 31 48.00000 0.00000 100% - 1s 0 0 0.00000 0 54 48.00000 0.00000 100% - 1s 0 0 0.00000 0 50 48.00000 0.00000 100% - 1s 0 2 0.00000 0 50 48.00000 0.00000 100% - 1s * 23 23 15 16.0000000 4.00000 75.0% 21.8 1s * 57 28 8 13.0000000 5.66667 56.4% 19.2 1s Cutting planes: Gomory: 2 Explored 161 nodes (4314 simplex iterations) in 1.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%