Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:12:48 2013

Optimize a model with 26622 rows, 26112 columns and 104142 nonzeros
Presolve removed 51 rows and 0 columns
Presolve time: 0.12s
Presolved: 26571 rows, 26112 columns, 104091 nonzeros
Variable types: 26061 continuous, 51 integer (51 binary)

Root relaxation: objective 4.682268e+04, 3702 iterations, 1.53 seconds

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

     0     0 46822.6823    0   45          - 46822.6823     -      -    1s
H    0     0                    62047.000000 46822.6823  24.5%     -    2s
     0     0 57260.9140    0    3 62047.0000 57260.9140  7.71%     -    4s
H    0     0                    58187.948201 57260.9140  1.59%     -    4s
H    0     0                    57746.000000 57260.9140  0.84%     -    4s
     0     0 57424.9565    0    1 57746.0000 57424.9565  0.56%     -    4s
H    0     0                    57706.000000 57424.9565  0.49%     -    4s
     0     2 57444.2069    0    1 57706.0000 57444.2069  0.45%     -    5s
H    2     1                    57570.619048 57552.0476  0.03%   219    5s
*    3     1               2    57553.000000 57553.0000   0.0%   172    5s

Cutting planes:
  Implied bound: 44

Explored 4 nodes (6522 simplex iterations) in 5.52 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.755300000000e+04, best bound 5.755300000000e+04, gap 0.0%