Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:16:12 2013

Optimize a model with 583 rows, 28143 columns and 56233 nonzeros
Presolve time: 0.04s
Presolved: 583 rows, 28143 columns, 56233 nonzeros
Variable types: 28090 continuous, 53 integer (53 binary)

Root relaxation: objective 5.968757e+04, 1063 iterations, 0.03 seconds

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

     0     0 59687.5715    0    8          - 59687.5715     -      -    0s
H    0     0                    61445.000000 59687.5715  2.86%     -    0s
H    0     0                    60170.000000 59687.5715  0.80%     -    0s
     0     0 59951.6616    0    4 60170.0000 59951.6616  0.36%     -    0s
     0     0 59974.1029    0    4 60170.0000 59974.1029  0.33%     -    0s
     0     0 59981.5591    0    4 60170.0000 59981.5591  0.31%     -    0s
     0     0 59982.9914    0    3 60170.0000 59982.9914  0.31%     -    0s
     0     0 59982.9914    0    8 60170.0000 59982.9914  0.31%     -    0s
     0     0 59982.9914    0    4 60170.0000 59982.9914  0.31%     -    0s
     0     0 59982.9914    0    4 60170.0000 59982.9914  0.31%     -    0s
     0     0 59982.9914    0    4 60170.0000 59982.9914  0.31%     -    0s
     0     0 59982.9914    0    3 60170.0000 59982.9914  0.31%     -    0s
     0     2 59986.0857    0    3 60170.0000 59986.0857  0.31%     -    0s
*    5     4               5    60091.000000 60028.8633  0.10%  10.8    0s

Cutting planes:
  Implied bound: 95
  Flow cover: 2

Explored 10 nodes (2652 simplex iterations) in 0.85 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.009100000000e+04, best bound 6.009100000000e+04, gap 0.0%