Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:42:05 2013

Optimize a model with 280 rows, 5060 columns and 11080 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.01s
Presolved: 260 rows, 5040 columns, 10060 nonzeros
Variable types: 5040 continuous, 0 integer (0 binary)

Root relaxation: objective 3.709539e+04, 353 iterations, 0.01 seconds

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

     0     0 37095.3933    0    4          - 37095.3933     -      -    0s
H    0     0                    37335.944962 37095.3933  0.64%     -    0s
     0     2 37095.3933    0    4 37335.9450 37095.3933  0.64%     -    0s
*   19     9              10    37254.115825 37252.0353  0.01%   6.1    0s

Explored 20 nodes (469 simplex iterations) in 0.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.725411582528e+04, best bound 3.725203529569e+04, gap 0.0056%