Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:07 2013

Optimize a model with 13356 rows, 12996 columns and 51876 nonzeros
Presolve removed 1835 rows and 0 columns
Presolve time: 0.07s
Presolved: 11521 rows, 12996 columns, 48206 nonzeros
Variable types: 12960 continuous, 36 integer (36 binary)

Root relaxation: objective 3.752626e+04, 1452 iterations, 0.07 seconds

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

     0     0 37526.2571    0    3          - 37526.2571     -      -    0s
H    0     0                    37542.000000 37526.2571  0.04%     -    0s
     0     0 37530.1808    0    3 37542.0000 37530.1808  0.03%     -    0s
     0     0 37530.8047    0    3 37542.0000 37530.8047  0.03%     -    0s
     0     0 37530.8047    0    2 37542.0000 37530.8047  0.03%     -    0s
     0     0 37537.5556    0    1 37542.0000 37537.5556  0.01%     -    0s
     0     0 37538.0000    0    1 37542.0000 37538.0000  0.01%     -    0s

Cutting planes:
  Gomory: 2
  Flow cover: 4

Explored 0 nodes (1989 simplex iterations) in 0.44 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.754200000000e+04, best bound 3.754200000000e+04, gap 0.0%