Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:55 2012 Optimize a model with 30 rows, 80 columns and 80 nonzeros Model has 58 quadratic constraints Presolve time: 0.34s Presolved: 30 rows, 80 columns, 80 nonzeros Variable types: 58 continuous, 22 integer (22 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 15.0000000 - - - 0s 0 0 0.00000 0 13 15.00000 0.00000 100% - 0s 0 0 0.15827 0 22 15.00000 0.15827 98.9% - 0s H 0 0 11.0000000 0.15827 98.6% - 0s 0 2 0.17544 0 22 11.00000 0.17544 98.4% - 0s * 8 8 5 6.0000000 2.44444 59.3% 10.4 0s * 14 5 4 4.0000000 2.60000 35.0% 8.6 0s Cutting planes: Gomory: 1 Explored 22 nodes (350 simplex iterations) in 0.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%