Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:08 2012 Optimize a model with 78 rows, 193 columns and 193 nonzeros Model has 154 quadratic constraints Presolve time: 0.90s Presolved: 78 rows, 193 columns, 193 nonzeros Variable types: 154 continuous, 39 integer (39 binary) Root relaxation: objective 0.000000e+00, 19 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 - - - 0s 0 0 0.00000 0 13 48.00000 0.00000 100% - 0s 0 0 0.00000 0 16 48.00000 0.00000 100% - 0s 0 0 0.00000 0 38 48.00000 0.00000 100% - 0s 0 2 0.00000 0 38 48.00000 0.00000 100% - 0s H 8 8 29.0000000 4.21053 85.5% 41.2 0s * 19 19 11 14.0000000 4.21053 69.9% 27.5 0s Cutting planes: Explored 157 nodes (3556 simplex iterations) in 0.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0%