Gurobi 5.0.1 (linux64) logging started Tue Dec 25 15:23:05 2012

Optimize a model with 902 rows, 840 columns and 3560 nonzeros
Presolve removed 213 rows and 40 columns
Presolve time: 0.03s
Presolved: 689 rows, 800 columns, 3250 nonzeros
Variable types: 380 continuous, 420 integer (420 binary)

Root relaxation: objective 2.015514e+02, 710 iterations, 0.02 seconds

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

     0     0  201.55143    0   48          -  201.55143     -      -    0s
     0     0  235.59608    0   47          -  235.59608     -      -    0s
     0     0  239.51783    0   48          -  239.51783     -      -    0s
     0     0  240.38666    0   47          -  240.38666     -      -    0s
     0     0  242.44917    0   42          -  242.44917     -      -    0s
     0     0  243.26534    0   50          -  243.26534     -      -    0s
     0     0  244.29236    0   48          -  244.29236     -      -    0s
     0     0  244.66946    0   46          -  244.66946     -      -    0s
     0     0  244.73609    0   47          -  244.73609     -      -    0s
     0     0  244.76215    0   39          -  244.76215     -      -    0s
     0     0  244.76215    0   39          -  244.76215     -      -    0s
     0     0  244.76215    0   39          -  244.76215     -      -    0s
     0     2  244.88000    0   39          -  244.88000     -      -    0s
*  173    40               7     267.0000000  249.42000  6.58%  57.3    0s

Cutting planes:
  Gomory: 7
  Cover: 16
  Implied bound: 23
  Flow cover: 38
  GUB cover: 5

Explored 285 nodes (15432 simplex iterations) in 0.98 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.670000000000e+02, best bound 2.670000000000e+02, gap 0.0%