Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:51:08 2013

Optimize a model with 1300 rows, 31800 columns and 95650 nonzeros
Presolve removed 50 rows and 1450 columns
Presolve time: 0.29s
Presolved: 1250 rows, 30350 columns, 90650 nonzeros
Variable types: 30050 continuous, 300 integer (300 binary)

Root relaxation: objective 1.959342e+05, 2436 iterations, 0.18 seconds

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

     0     0 195934.242    0    9          - 195934.242     -      -    0s
H    0     0                    202631.16421 195934.242  3.30%     -    0s
     0     0 195970.344    0    9 202631.164 195970.344  3.29%     -    1s
     0     0 195971.103    0    9 202631.164 195971.103  3.29%     -    1s
     0     0 195971.103    0    9 202631.164 195971.103  3.29%     -    1s
     0     0 195971.103    0    9 202631.164 195971.103  3.29%     -    1s
     0     0 195971.464    0    9 202631.164 195971.464  3.29%     -    1s
     0     0 195974.711    0    9 202631.164 195974.711  3.29%     -    1s
     0     0 195975.789    0    9 202631.164 195975.789  3.28%     -    1s
     0     0 195975.789    0    9 202631.164 195975.789  3.28%     -    1s
H    0     0                    200478.66182 195975.789  2.25%     -    2s
     0     2 195975.789    0    9 200478.662 195975.789  2.25%     -    2s
*   12     4              12    196570.65000 196348.118  0.11%  46.8    2s
H   27     2                    196566.69272 196532.655  0.02%  35.7    3s
*   34     6              15    196564.85016 196532.655  0.02%  29.3    3s

Cutting planes:
  Flow cover: 6

Explored 37 nodes (4303 simplex iterations) in 3.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.965648501621e+05, best bound 1.965563462191e+05, gap 0.0043%