Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:10:10 2013

Optimize a model with 25550 rows, 25050 columns and 100050 nonzeros
Presolve removed 2000 rows and 0 columns
Presolve time: 0.15s
Presolved: 23550 rows, 25050 columns, 96050 nonzeros
Variable types: 25000 continuous, 50 integer (50 binary)

Root relaxation: objective 6.657064e+04, 5620 iterations, 0.49 seconds

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

     0     0 66570.6429    0    1          - 66570.6429     -      -    0s
H    0     0                    66607.000000 66570.6429  0.05%     -    0s
     0     0 66571.2794    0    2 66607.0000 66571.2794  0.05%     -    0s
     0     0 66571.2794    0    1 66607.0000 66571.2794  0.05%     -    1s
     0     0 66571.3165    0    2 66607.0000 66571.3165  0.05%     -    1s

Cutting planes:
  Gomory: 1

Explored 0 nodes (6912 simplex iterations) in 1.33 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.660700000000e+04, best bound 6.660700000000e+04, gap 0.0%