Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:07 2012 Optimize a model with 39 rows, 27 columns and 122 nonzeros Presolve time: 0.00s Presolved: 39 rows, 27 columns, 122 nonzeros Variable types: 0 continuous, 27 integer (27 binary) Found heuristic solution: objective 9.0000000 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 0 0 0.00000 0 8 9.00000 0.00000 100% - 0s 0 0 0.83333 0 10 9.00000 0.83333 90.7% - 0s 0 0 1.00000 0 10 9.00000 1.00000 88.9% - 0s 0 0 1.00000 0 10 9.00000 1.00000 88.9% - 0s 0 0 1.00000 0 10 9.00000 1.00000 88.9% - 0s 0 2 1.11111 0 10 9.00000 1.11111 87.7% - 0s * 10 4 5 8.0000000 3.00000 62.5% 6.2 0s Cutting planes: Gomory: 1 Mod-K: 3 Explored 26 nodes (179 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%