Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:33 2013 Optimize a model with 580 rows, 1265 columns and 4025 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.05s Presolved: 575 rows, 1260 columns, 3520 nonzeros Variable types: 760 continuous, 500 integer (500 binary) Root relaxation: objective 1.704455e+04, 81 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 17044.5499 0 2 - 17044.5499 - - 0s 0 0 17053.7277 0 2 - 17053.7277 - - 0s 0 0 17055.8849 0 2 - 17055.8849 - - 0s 0 0 17056.9048 0 2 - 17056.9048 - - 0s 0 0 17058.3897 0 3 - 17058.3897 - - 0s 0 0 17058.5963 0 2 - 17058.5963 - - 0s 0 0 17059.1904 0 2 - 17059.1904 - - 0s 0 0 17059.4673 0 4 - 17059.4673 - - 0s 0 0 17059.5137 0 2 - 17059.5137 - - 0s 0 0 17059.7519 0 5 - 17059.7519 - - 0s 0 0 17061.0232 0 2 - 17061.0232 - - 0s 0 0 17061.9390 0 4 - 17061.9390 - - 0s 0 0 17062.2176 0 6 - 17062.2176 - - 0s 0 0 17062.2731 0 6 - 17062.2731 - - 0s 0 0 17062.2807 0 6 - 17062.2807 - - 0s 0 0 17062.3361 0 6 - 17062.3361 - - 0s 0 0 17062.3716 0 6 - 17062.3716 - - 0s 0 0 17062.3716 0 6 - 17062.3716 - - 0s H 0 0 17116.505883 17062.3716 0.32% - 0s 0 2 17062.5714 0 2 17116.5059 17062.5714 0.32% - 0s * 7 1 4 17091.445489 17091.4455 0.0% 7.7 0s Cutting planes: Gomory: 2 Implied bound: 12 Flow cover: 3 Explored 8 nodes (236 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.709144548910e+04, best bound 1.709144548910e+04, gap 0.0%