Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:25:17 2012 Optimize a model with 293 rows, 219 columns and 949 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 293 rows, 218 columns, 948 nonzeros Variable types: 0 continuous, 218 integer (217 binary) Found heuristic solution: objective 63.0000000 Root relaxation: objective 0.000000e+00, 114 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 71 63.00000 0.00000 100% - 0s H 0 0 58.0000000 0.00000 100% - 0s H 0 0 53.0000000 0.00000 100% - 0s 0 0 0.50790 0 72 53.00000 0.50790 99.0% - 0s H 0 0 48.0000000 0.50790 98.9% - 0s 0 0 1.15811 0 74 48.00000 1.15811 97.6% - 0s H 0 0 46.0000000 1.15811 97.5% - 0s 0 0 1.38731 0 75 46.00000 1.38731 97.0% - 0s 0 0 1.39095 0 76 46.00000 1.39095 97.0% - 0s H 0 0 45.0000000 1.39095 96.9% - 0s H 0 0 39.0000000 1.39095 96.4% - 0s H 0 0 38.0000000 1.39095 96.3% - 0s H 0 0 36.0000000 1.39095 96.1% - 0s 0 2 1.40367 0 76 36.00000 1.40367 96.1% - 0s * 35 28 24 29.0000000 3.95428 86.4% 27.3 0s * 205 134 16 28.0000000 9.06456 67.6% 30.0 0s * 210 135 20 27.0000000 9.06456 66.4% 29.5 0s * 359 162 12 25.0000000 10.78397 56.9% 28.2 0s H 1708 106 24.0000000 18.00000 25.0% 22.1 1s Cutting planes: Gomory: 4 Zero half: 1 Explored 1994 nodes (44177 simplex iterations) in 1.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%