Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:41:15 2012 Optimize a model with 175 rows, 129 columns and 564 nonzeros Presolve time: 0.00s Presolved: 175 rows, 129 columns, 564 nonzeros Variable types: 0 continuous, 129 integer (129 binary) Found heuristic solution: objective 38.0000000 Root relaxation: objective 0.000000e+00, 59 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 41 38.00000 0.00000 100% - 0s H 0 0 31.0000000 0.00000 100% - 0s H 0 0 27.0000000 0.00000 100% - 0s 0 0 0.60976 0 42 27.00000 0.60976 97.7% - 0s H 0 0 19.0000000 0.60976 96.8% - 0s 0 0 1.00000 0 43 19.00000 1.00000 94.7% - 0s 0 0 1.33847 0 44 19.00000 1.33847 93.0% - 0s 0 0 1.37607 0 46 19.00000 1.37607 92.8% - 0s 0 0 1.38434 0 47 19.00000 1.38434 92.7% - 0s 0 0 1.38434 0 47 19.00000 1.38434 92.7% - 0s 0 2 1.39561 0 47 19.00000 1.39561 92.7% - 0s * 62 22 10 17.0000000 8.22447 51.6% 19.6 0s Cutting planes: Gomory: 5 Mod-K: 1 Explored 156 nodes (3058 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%