Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:29:45 2013

Optimize a model with 34336 rows, 33756 columns and 134676 nonzeros
Presolve removed 58 rows and 0 columns
Presolve time: 0.15s
Presolved: 34278 rows, 33756 columns, 134618 nonzeros
Variable types: 33698 continuous, 58 integer (58 binary)

Root relaxation: objective 4.839383e+04, 4034 iterations, 1.77 seconds

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

     0     0 48393.8276    0   48          - 48393.8276     -      -    2s
H    0     0                    66949.000000 48393.8276  27.7%     -    2s
     0     0 59435.1432    0    6 66949.0000 59435.1432  11.2%     -    5s
H    0     0                    62844.679473 59435.1432  5.43%     -    5s
H    0     0                    61627.000000 59435.1432  3.56%     -    5s
     0     0 59621.0841    0    2 61627.0000 59621.0841  3.25%     -    5s
H    0     0                    59628.000000 59621.0841  0.01%     -    5s
     0     0     cutoff    0      59628.0000 59628.0000   0.0%     -    5s

Cutting planes:
  Gomory: 1
  Implied bound: 51

Explored 0 nodes (7070 simplex iterations) in 5.77 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.962800000000e+04, best bound 5.962800000000e+04, gap 0.0%