Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:01:25 2012

Optimize a model with 902 rows, 840 columns and 3640 nonzeros
Presolve removed 137 rows and 40 columns
Presolve time: 0.02s
Presolved: 765 rows, 800 columns, 3404 nonzeros
Variable types: 380 continuous, 420 integer (420 binary)

Root relaxation: objective 2.093277e+02, 789 iterations, 0.02 seconds

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

     0     0  209.32765    0   48          -  209.32765     -      -    0s
     0     0  256.41577    0   28          -  256.41577     -      -    0s
     0     0  274.29305    0   44          -  274.29305     -      -    0s
     0     0  275.16935    0   35          -  275.16935     -      -    0s
     0     0  275.25347    0   43          -  275.25347     -      -    0s
     0     0  275.29979    0   43          -  275.29979     -      -    0s
     0     2  275.31936    0   43          -  275.31936     -      -    0s
*  166    87              36     377.0000000  288.56429  23.5%  43.6    0s
H  255    98                     352.0000000  299.41979  14.9%  44.9    0s
H  282   108                     343.0000000  299.41979  12.7%  45.3    0s
H  981    46                     341.0000000  322.37644  5.46%  39.0    2s
* 1036    23              26     340.0000000  329.21465  3.17%  38.6    2s
* 1085    13              28     338.0000000  331.77825  1.84%  37.6    3s

Cutting planes:
  Gomory: 6
  Cover: 17
  Implied bound: 8
  Flow cover: 26
  GUB cover: 9
  Zero half: 7

Explored 1104 nodes (42521 simplex iterations) in 3.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.380000000000e+02, best bound 3.380000000000e+02, gap 0.0%