Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:11:24 2013

Optimize a model with 25600 rows, 25100 columns and 100100 nonzeros
Presolve removed 50 rows and 0 columns
Presolve time: 0.11s
Presolved: 25550 rows, 25100 columns, 100050 nonzeros
Variable types: 25050 continuous, 50 integer (50 binary)

Root relaxation: objective 4.094537e+04, 2888 iterations, 0.96 seconds

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

     0     0 40945.3694    0   41          - 40945.3694     -      -    1s
H    0     0                    52317.000000 40945.3694  21.7%     -    1s
     0     0 48699.6107    0    3 52317.0000 48699.6107  6.91%     -    3s
H    0     0                    50804.566725 48699.6107  4.14%     -    3s
H    0     0                    50495.000000 48699.6107  3.56%     -    3s
H    0     0                    48766.000000 48699.6107  0.14%     -    3s
     0     0 48765.0000    0    1 48766.0000 48765.0000  0.00%     -    3s

Cutting planes:
  Gomory: 1
  Implied bound: 40

Explored 0 nodes (4634 simplex iterations) in 3.32 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.876600000000e+04, best bound 4.876500000000e+04, gap 0.0021%