Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:05:24 2013

Optimize a model with 2100 rows, 101300 columns and 204000 nonzeros
Presolve removed 200 rows and 200 columns
Presolve time: 0.63s
Presolved: 1900 rows, 101100 columns, 203300 nonzeros
Variable types: 100700 continuous, 400 integer (400 binary)

Root relaxation: objective 9.188392e+05, 6906 iterations, 0.65 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 918839.221    0    4          - 918839.221     -      -    1s
H    0     0                    1008922.4953 918839.221  8.93%     -    1s
H    0     0                    964242.10084 918839.221  4.71%     -    2s
     0     0 918950.768    0    4 964242.101 918950.768  4.70%     -    2s
H    0     0                    926269.25049 918950.768  0.79%     -    2s
     0     0 918991.062    0    4 926269.250 918991.062  0.79%     -    3s
     0     0 918996.324    0    3 926269.250 918996.324  0.79%     -    3s
     0     0 918996.773    0    2 926269.250 918996.773  0.79%     -    3s
     0     0 918997.351    0    2 926269.250 918997.351  0.79%     -    3s
     0     0 918997.351    0    2 926269.250 918997.351  0.79%     -    4s
     0     0 918997.705    0    2 926269.250 918997.705  0.79%     -    4s
     0     0 918997.705    0    2 926269.250 918997.705  0.79%     -    5s
     0     2 919003.772    0    2 926269.250 919003.772  0.78%     -    5s
H   27     5                    919655.74906 919061.082  0.06%  44.4    9s
    47     4 919467.616   45    1 919655.749 919061.082  0.06%  26.7   10s
*  126     5               6    919365.22666 919284.268  0.01%  23.4   14s

Cutting planes:
  Flow cover: 18

Explored 127 nodes (10822 simplex iterations) in 14.38 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.193652266644e+05, best bound 9.192842681540e+05, gap 0.0088%