Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:37 2012 Optimize a model with 42 rows, 112 columns and 112 nonzeros Model has 82 quadratic constraints Presolve time: 0.48s Presolved: 42 rows, 112 columns, 112 nonzeros Variable types: 82 continuous, 30 integer (30 binary) Root relaxation: objective 0.000000e+00, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 22.0000000 - - - 0s 0 0 0.00000 0 10 22.00000 0.00000 100% - 0s 0 0 0.00000 0 22 22.00000 0.00000 100% - 0s 0 0 0.00000 0 16 22.00000 0.00000 100% - 0s 0 2 0.00000 0 16 22.00000 0.00000 100% - 0s * 6 5 4 4.0000000 2.91667 27.1% 33.7 0s Cutting planes: Gomory: 1 Explored 12 nodes (556 simplex iterations) in 0.50 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%