Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:10 2013

Optimize a model with 2600 rows, 2550 columns and 10050 nonzeros
Presolve removed 50 rows and 1 columns
Presolve time: 0.01s
Presolved: 2550 rows, 2549 columns, 9949 nonzeros
Variable types: 2500 continuous, 49 integer (49 binary)

Root relaxation: objective 9.003087e+05, 253 iterations, 0.00 seconds

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

     0     0 900308.716    0    4          - 900308.716     -      -    0s
H    0     0                    905951.25000 900308.716  0.62%     -    0s
H    0     0                    901404.47500 900308.716  0.12%     -    0s
H    0     0                    901377.21250 900308.716  0.12%     -    0s
     0     0 900413.428    0    6 901377.212 900413.428  0.11%     -    0s
     0     0 900413.428    0    4 901377.212 900413.428  0.11%     -    0s
     0     0 900436.370    0    3 901377.212 900436.370  0.10%     -    0s
     0     0 900452.762    0    5 901377.212 900452.762  0.10%     -    0s
     0     0 900452.762    0    5 901377.212 900452.762  0.10%     -    0s
     0     0 900976.645    0    4 901377.212 900976.645  0.04%     -    0s
     0     2 901029.549    0    4 901377.212 901029.549  0.04%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 2 nodes (369 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.013772125000e+05, best bound 9.013706161604e+05, gap 0.0007%