Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:59:14 2013

Optimize a model with 16480 rows, 16080 columns and 64080 nonzeros
Presolve removed 40 rows and 0 columns
Presolve time: 0.07s
Presolved: 16440 rows, 16080 columns, 64040 nonzeros
Variable types: 16040 continuous, 40 integer (40 binary)

Root relaxation: objective 3.802410e+04, 2352 iterations, 0.48 seconds

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

     0     0 38024.0978    0   30          - 38024.0978     -      -    0s
H    0     0                    46015.000000 38024.0978  17.4%     -    0s
     0     0 43524.0355    0    6 46015.0000 43524.0355  5.41%     -    1s
H    0     0                    44910.000000 43524.0355  3.09%     -    1s
H    0     0                    43682.000000 43524.0355  0.36%     -    1s
     0     0 43681.3846    0    1 43682.0000 43681.3846  0.00%     -    1s

Cutting planes:
  Implied bound: 32

Explored 0 nodes (3587 simplex iterations) in 1.57 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.368200000000e+04, best bound 4.368138461538e+04, gap 0.0014%