Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:03 2012 Optimize a model with 159 rows, 97 columns and 492 nonzeros Presolve time: 0.00s Presolved: 159 rows, 97 columns, 492 nonzeros Variable types: 0 continuous, 97 integer (97 binary) Found heuristic solution: objective 40.0000000 Found heuristic solution: objective 39.0000000 Root relaxation: objective 0.000000e+00, 28 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 18 39.00000 0.00000 100% - 0s H 0 0 33.0000000 0.00000 100% - 0s 0 0 1.00000 0 20 33.00000 1.00000 97.0% - 0s 0 0 1.00000 0 20 33.00000 1.00000 97.0% - 0s 0 0 1.07143 0 20 33.00000 1.07143 96.8% - 0s 0 0 1.07143 0 20 33.00000 1.07143 96.8% - 0s 0 0 1.14286 0 20 33.00000 1.14286 96.5% - 0s 0 0 1.14286 0 20 33.00000 1.14286 96.5% - 0s 0 0 1.14286 0 20 33.00000 1.14286 96.5% - 0s 0 0 1.14286 0 20 33.00000 1.14286 96.5% - 0s 0 2 1.14286 0 20 33.00000 1.14286 96.5% - 0s * 44 25 14 32.0000000 6.00000 81.2% 14.9 0s * 101 49 11 31.0000000 14.64286 52.8% 13.4 0s Cutting planes: Gomory: 1 Zero half: 6 Explored 586 nodes (6474 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.100000000000e+01, best bound 3.100000000000e+01, gap 0.0%