Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:11:41 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 4.042103e+04, 2966 iterations, 0.73 seconds

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

     0     0 40421.0300    0   41          - 40421.0300     -      -    0s
H    0     0                    55974.000000 40421.0300  27.8%     -    1s
     0     0 46334.8140    0    6 55974.0000 46334.8140  17.2%     -    2s
H    0     0                    49108.691528 46334.8140  5.65%     -    2s
H    0     0                    48501.000000 46334.8140  4.47%     -    2s
     0     0 46358.3135    0    3 48501.0000 46358.3135  4.42%     -    2s
H    0     0                    47966.047281 46358.3135  3.35%     -    2s
H    0     0                    47422.000000 46358.3135  2.24%     -    2s
     0     0 46374.7237    0    3 47422.0000 46374.7237  2.21%     -    2s
H    0     0                    47108.000000 46374.7237  1.56%     -    2s
H    0     0                    46516.000000 46374.7237  0.30%     -    3s
     0     2 46377.1286    0    3 46516.0000 46377.1286  0.30%     -    3s
H    5     2                    46507.596330 46464.8947  0.09%  88.4    3s
*    6     3               5    46496.000000 46464.8947  0.07%  97.7    3s
H    9     2                    46477.684211 46465.3684  0.03%  68.0    3s
*   10     2               6    46471.000000 46466.2928  0.01%  72.0    3s

Cutting planes:
  Gomory: 1
  Implied bound: 43

Explored 13 nodes (5364 simplex iterations) in 3.73 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.647100000000e+04, best bound 4.647100000000e+04, gap 0.0%