Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:15 2012 Optimize a model with 77 rows, 65 columns and 255 nonzeros Presolve time: 0.00s Presolved: 77 rows, 65 columns, 255 nonzeros Variable types: 0 continuous, 65 integer (65 binary) Found heuristic solution: objective 18.0000000 Root relaxation: objective 0.000000e+00, 39 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 27 18.00000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.62708 0 30 8.00000 0.62708 92.2% - 0s 0 0 0.81832 0 33 8.00000 0.81832 89.8% - 0s H 0 0 7.0000000 0.81832 88.3% - 0s 0 0 0.83333 0 31 7.00000 0.83333 88.1% - 0s 0 0 0.84911 0 37 7.00000 0.84911 87.9% - 0s 0 0 0.85836 0 36 7.00000 0.85836 87.7% - 0s 0 0 0.87202 0 37 7.00000 0.87202 87.5% - 0s 0 2 0.89063 0 37 7.00000 0.89063 87.3% - 0s * 6 6 5 5.0000000 2.36364 52.7% 20.0 0s Cutting planes: Gomory: 1 Zero half: 1 Mod-K: 3 Explored 17 nodes (350 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%