Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:01 2012 Optimize a model with 38 rows, 97 columns and 97 nonzeros Model has 74 quadratic constraints Presolve time: 0.43s Presolved: 38 rows, 97 columns, 97 nonzeros Variable types: 74 continuous, 23 integer (23 binary) Root relaxation: objective 0.000000e+00, 11 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 23.0000000 - - - 0s 0 0 0.00000 0 5 23.00000 0.00000 100% - 0s 0 0 0.00000 0 9 23.00000 0.00000 100% - 0s 0 0 0.00000 0 9 23.00000 0.00000 100% - 0s 0 2 0.00000 0 9 23.00000 0.00000 100% - 0s * 5 5 4 6.0000000 3.42857 42.9% 23.2 0s Cutting planes: Gomory: 1 Explored 18 nodes (396 simplex iterations) in 0.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%