Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:08 2013

Optimize a model with 75 rows, 1275 columns and 2525 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 75 rows, 1274 columns, 2524 nonzeros
Variable types: 1250 continuous, 24 integer (24 binary)

Root relaxation: objective 6.996395e+05, 26 iterations, 0.00 seconds

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

     0     0 699639.483    0   24          - 699639.483     -      -    0s
H    0     0                    952291.15000 699639.483  26.5%     -    0s
     0     0 826705.256    0   13 952291.150 826705.256  13.2%     -    0s
     0     0 851367.802    0   10 952291.150 851367.802  10.6%     -    0s
     0     0 854127.965    0    6 952291.150 854127.965  10.3%     -    0s
H    0     0                    902838.41154 854127.965  5.40%     -    0s
H    0     0                    858175.77500 854127.965  0.47%     -    0s
H    0     0                    856496.15000 854127.965  0.28%     -    0s
     0     1 855368.343    0    5 856496.150 855368.343  0.13%     -    0s
*    2     1               2    855733.50000 855733.500   0.0%   4.5    0s

Cutting planes:
  Implied bound: 76
  Flow cover: 2

Explored 3 nodes (124 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.557335000000e+05, best bound 8.557335000000e+05, gap 0.0%