Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:03 2013

Optimize a model with 959 rows, 864 columns and 3429 nonzeros
Presolve removed 60 rows and 0 columns
Presolve time: 0.00s
Presolved: 899 rows, 864 columns, 3309 nonzeros
Variable types: 855 continuous, 9 integer (9 binary)

Root relaxation: objective 1.369000e+04, 99 iterations, 0.00 seconds

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

     0     0 13690.0000    0    1          - 13690.0000     -      -    0s
H    0     0                    13722.000000 13690.0000  0.23%     -    0s
H    0     0                    13692.000000 13690.0000  0.01%     -    0s
     0     0     cutoff    0      13692.0000 13692.0000   0.0%     -    0s

Cutting planes:
  Flow cover: 1

Explored 0 nodes (103 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.369200000000e+04, best bound 1.369200000000e+04, gap 0.0%