Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:17:05 2013 Optimize a model with 1760 rows, 256160 columns and 512160 nonzeros Presolve time: 0.66s Presolved: 1760 rows, 256160 columns, 512160 nonzeros Variable types: 256000 continuous, 160 integer (160 binary) Root relaxation: objective 3.661330e+05, 10335 iterations, 0.75 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 366133.030 0 8 - 366133.030 - - 1s H 0 0 395477.00000 366133.030 7.42% - 2s H 0 0 391250.00000 366133.030 6.42% - 2s 0 0 366323.512 0 7 391250.000 366323.512 6.37% - 3s 0 0 366343.696 0 4 391250.000 366343.696 6.37% - 4s H 0 0 385228.50000 366343.696 4.90% - 4s H 0 0 384647.00000 366343.696 4.76% - 4s 0 0 366343.696 0 4 384647.000 366343.696 4.76% - 4s H 0 0 384404.00000 366343.696 4.70% - 5s 0 0 366355.736 0 5 384404.000 366355.736 4.70% - 5s 0 0 366357.394 0 3 384404.000 366357.394 4.69% - 6s H 0 0 383913.00000 366357.394 4.57% - 6s 0 0 366357.394 0 3 383913.000 366357.394 4.57% - 6s 0 0 366357.394 0 3 383913.000 366357.394 4.57% - 7s 0 0 366357.441 0 4 383913.000 366357.441 4.57% - 7s 0 0 366357.758 0 3 383913.000 366357.758 4.57% - 8s H 0 0 383758.00000 366357.758 4.53% - 8s 0 0 366357.758 0 3 383758.000 366357.758 4.53% - 9s 0 2 366360.493 0 3 383758.000 366360.493 4.53% - 10s H 1 1 383609.92288 366360.493 4.50% 0.0 11s H 2 2 367194.26087 366368.464 0.22% 74.5 11s H 15 10 366541.00000 366368.634 0.05% 47.1 13s * 19 8 19 366520.00000 366368.634 0.04% 43.2 13s * 32 6 15 366440.00000 366378.139 0.02% 35.2 14s Cutting planes: Implied bound: 145 Flow cover: 5 Explored 34 nodes (12295 simplex iterations) in 14.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.664400000000e+05, best bound 3.664039099099e+05, gap 0.0098%