Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:30 2013

Optimize a model with 100 rows, 305 columns and 690 nonzeros
Presolve removed 5 rows and 5 columns
Presolve time: 0.00s
Presolved: 95 rows, 300 columns, 660 nonzeros
Variable types: 285 continuous, 15 integer (15 binary)

Root relaxation: objective 1.204447e+04, 61 iterations, 0.00 seconds

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

     0     0 12044.4669    0    2          - 12044.4669     -      -    0s
     0     0 12086.8158    0    1          - 12086.8158     -      -    0s
     0     0 12088.4013    0    2          - 12088.4013     -      -    0s
*    0     0               0    12096.075377 12096.0754   0.0%     -    0s

Cutting planes:
  Flow cover: 1

Explored 0 nodes (91 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.209607537749e+04, best bound 1.209607537749e+04, gap 0.0%