Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:57 2012 Optimize a model with 74 rows, 193 columns and 193 nonzeros Model has 146 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 0.87s Presolved: 74 rows, 191 columns, 191 nonzeros Variable types: 146 continuous, 45 integer (44 binary) Root relaxation: objective 0.000000e+00, 23 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 38.0000000 - - - 0s 0 0 0.00000 0 24 38.00000 0.00000 100% - 0s 0 0 0.00000 0 22 38.00000 0.00000 100% - 0s 0 0 0.00000 0 40 38.00000 0.00000 100% - 0s 0 2 0.00000 0 40 38.00000 0.00000 100% - 0s * 28 28 17 14.0000000 1.00000 92.9% 25.9 0s * 77 53 13 13.0000000 1.43902 88.9% 25.1 0s * 98 47 8 11.0000000 1.55172 85.9% 25.9 0s Cutting planes: Gomory: 24 Explored 277 nodes (7902 simplex iterations) in 1.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%