Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:52:11 2013

Optimize a model with 3300 rows, 30150 columns and 67750 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.23s
Presolved: 3250 rows, 30100 columns, 65200 nonzeros
Variable types: 27600 continuous, 2500 integer (2500 binary)

Root relaxation: objective 1.626233e+05, 2901 iterations, 0.12 seconds

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

     0     0 162623.326    0   10          - 162623.326     -      -    0s
     0     0 162748.176    0   10          - 162748.176     -      -    0s
     0     0 162752.453    0   14          - 162752.453     -      -    0s
     0     0 162753.849    0   14          - 162753.849     -      -    1s
     0     0 162754.305    0   14          - 162754.305     -      -    1s
     0     0 162754.305    0   14          - 162754.305     -      -    1s
     0     0 162754.305    0   14          - 162754.305     -      -    1s
     0     0 162754.313    0   14          - 162754.313     -      -    1s
     0     0 162754.313    0   14          - 162754.313     -      -    1s
H    0     0                    164534.89220 162754.313  1.08%     -    1s
H    0     0                    163801.85921 162754.313  0.64%     -    1s
     0     2 162754.313    0   14 163801.859 162754.313  0.64%     -    2s
H   27     5                    162918.06266 162863.281  0.03%  79.9    2s

Cutting planes:
  Gomory: 3
  Implied bound: 40
  Flow cover: 11

Explored 96 nodes (6577 simplex iterations) in 3.66 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.629180626645e+05, best bound 1.629127489390e+05, gap 0.0033%