Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:05:50 2013

Optimize a model with 22607 rows, 22137 columns and 88407 nonzeros
Presolve removed 1104 rows and 0 columns
Presolve time: 0.12s
Presolved: 21503 rows, 22137 columns, 86199 nonzeros
Variable types: 22090 continuous, 47 integer (47 binary)

Root relaxation: objective 4.610052e+04, 3500 iterations, 0.36 seconds

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

     0     0 46100.5181    0    2          - 46100.5181     -      -    0s
H    0     0                    46435.000000 46100.5181  0.72%     -    0s
     0     0 46101.5046    0    4 46435.0000 46101.5046  0.72%     -    0s
H    0     0                    46193.000000 46101.5046  0.20%     -    1s
     0     0 46101.5046    0    2 46193.0000 46101.5046  0.20%     -    1s
     0     0 46102.6285    0    3 46193.0000 46102.6285  0.20%     -    1s
     0     2 46103.2937    0    3 46193.0000 46103.2937  0.19%     -    1s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 5 nodes (4834 simplex iterations) in 1.88 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.619300000000e+04, best bound 4.619300000000e+04, gap 0.0%