Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:11 2013

Optimize a model with 48 rows, 182 columns and 742 nonzeros
Presolve removed 22 rows and 72 columns
Presolve time: 0.00s
Presolved: 26 rows, 110 columns, 618 nonzeros
Variable types: 100 continuous, 10 integer (10 binary)

Root relaxation: objective 4.810927e+03, 14 iterations, 0.00 seconds

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

     0     0 4810.92679    0    6          - 4810.92679     -      -    0s
     0     0 4818.70487    0   10          - 4818.70487     -      -    0s
     0     0 4818.90401    0   10          - 4818.90401     -      -    0s
     0     0 4830.75092    0    2          - 4830.75092     -      -    0s
H    0     0                    4831.0178459 4830.75092  0.01%     -    0s

Cutting planes:
  Gomory: 2
  Flow cover: 2

Explored 0 nodes (64 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.831017845887e+03, best bound 4.830750918136e+03, gap 0.0055%