Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:10:27 2013 Optimize a model with 1650 rows, 225150 columns and 450150 nonzeros Presolve time: 0.53s Presolved: 1650 rows, 225150 columns, 450150 nonzeros Variable types: 225000 continuous, 150 integer (150 binary) Root relaxation: objective 2.371385e+05, 8477 iterations, 0.80 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 237138.468 0 5 - 237138.468 - - 1s H 0 0 255694.00000 237138.468 7.26% - 2s 0 0 237362.365 0 5 255694.000 237362.365 7.17% - 3s H 0 0 237918.00000 237362.365 0.23% - 3s 0 0 237380.665 0 3 237918.000 237380.665 0.23% - 3s 0 0 237380.665 0 5 237918.000 237380.665 0.23% - 5s 0 0 237380.665 0 5 237918.000 237380.665 0.23% - 5s 0 0 237380.665 0 3 237918.000 237380.665 0.23% - 5s 0 0 237382.744 0 5 237918.000 237382.744 0.22% - 5s 0 0 237387.141 0 3 237918.000 237387.141 0.22% - 5s 0 0 237387.141 0 3 237918.000 237387.141 0.22% - 6s 0 0 237387.141 0 3 237918.000 237387.141 0.22% - 6s 0 2 237387.586 0 3 237918.000 237387.586 0.22% - 6s H 2 2 237831.84375 237481.323 0.15% 86.5 7s H 3 3 237831.00000 237490.393 0.14% 71.0 7s H 4 3 237813.00000 237494.000 0.13% 55.5 7s H 9 4 237730.00000 237558.063 0.07% 38.6 7s * 13 5 12 237718.00000 237558.063 0.07% 33.8 7s * 14 4 11 237704.00000 237558.063 0.06% 31.6 7s * 22 1 6 237681.00000 237645.066 0.02% 43.0 8s Cutting planes: Implied bound: 88 Flow cover: 8 Explored 24 nodes (15385 simplex iterations) in 8.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.376810000000e+05, best bound 2.376810000000e+05, gap 0.0%