Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:09 2012 Optimize a model with 47 rows, 32 columns and 147 nonzeros Presolve time: 0.00s Presolved: 47 rows, 32 columns, 147 nonzeros Variable types: 0 continuous, 32 integer (32 binary) Found heuristic solution: objective 10.0000000 Root relaxation: objective 0.000000e+00, 13 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 9 10.00000 0.00000 100% - 0s 0 0 0.63687 0 14 10.00000 0.63687 93.6% - 0s 0 0 0.72222 0 11 10.00000 0.72222 92.8% - 0s 0 0 1.05556 0 12 10.00000 1.05556 89.4% - 0s 0 0 1.13889 0 12 10.00000 1.13889 88.6% - 0s 0 0 1.22222 0 13 10.00000 1.22222 87.8% - 0s 0 0 1.26389 0 14 10.00000 1.26389 87.4% - 0s 0 0 1.40931 0 19 10.00000 1.40931 85.9% - 0s 0 0 1.46154 0 20 10.00000 1.46154 85.4% - 0s 0 0 1.50000 0 22 10.00000 1.50000 85.0% - 0s 0 0 1.64444 0 15 10.00000 1.64444 83.6% - 0s 0 0 1.66527 0 18 10.00000 1.66527 83.3% - 0s H 0 0 9.0000000 1.66527 81.5% - 0s 0 2 1.70470 0 18 9.00000 1.70470 81.1% - 0s Cutting planes: Gomory: 1 Mod-K: 6 Explored 18 nodes (258 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%