Gurobi 5.0.1 (linux64) logging started Sat Dec  8 10:25:15 2012

Optimize a model with 3255 rows, 3240 columns and 11813 nonzeros
Presolve removed 288 rows and 110 columns
Presolve time: 0.02s
Presolved: 2967 rows, 3130 columns, 11171 nonzeros
Variable types: 2781 continuous, 349 integer (349 binary)

Root relaxation: objective 1.106692e+05, 507 iterations, 0.00 seconds

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

     0     0 110669.171    0    1          - 110669.171     -      -    0s
H    0     0                    110704.00000 110669.171  0.03%     -    0s
     0     0 110670.841    0    6 110704.000 110670.841  0.03%     -    0s
     0     0 110670.841    0    1 110704.000 110670.841  0.03%     -    0s
     0     0 110670.841    0    6 110704.000 110670.841  0.03%     -    0s
     0     0 110670.939    0    6 110704.000 110670.939  0.03%     -    0s
     0     0 110678.032    0    3 110704.000 110678.032  0.02%     -    0s
     0     2 110681.463    0    3 110704.000 110681.463  0.02%     -    0s

Cutting planes:
  Flow cover: 1

Explored 5 nodes (766 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.107040000000e+05, best bound 1.106944878049e+05, gap 0.0086%