Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:16:33 2013

Optimize a model with 170430 rows, 169130 columns and 676130 nonzeros
Presolve removed 7212 rows and 0 columns
Presolve time: 1.59s
Presolved: 163218 rows, 169130 columns, 661706 nonzeros
Variable types: 169000 continuous, 130 integer (130 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18297    1.1420909e+05   1.477309e+04   0.000000e+00      5s
   26884    1.4669161e+05   2.996091e+04   0.000000e+00     10s
   33100    1.5704996e+05   8.958975e+02   0.000000e+00     15s
   33822    1.5713743e+05   0.000000e+00   0.000000e+00     16s

Root relaxation: objective 1.571374e+05, 33822 iterations, 16.09 seconds

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

     0     0 157137.433    0    2          - 157137.433     -      -   18s
H    0     0                    158412.00000 157137.433  0.80%     -   18s
H    0     0                    157280.00000 157137.433  0.09%     -   20s
     0     0 157137.634    0    3 157280.000 157137.634  0.09%     -   21s
     0     0 157137.634    0    2 157280.000 157137.634  0.09%     -   28s
     0     0 157137.815    0    3 157280.000 157137.815  0.09%     -   28s
     0     0 157137.815    0    3 157280.000 157137.815  0.09%     -   29s
     0     0 157180.098    0    3 157280.000 157180.098  0.06%     -   30s
     0     2 157181.045    0    3 157280.000 157181.045  0.06%     -   31s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 7 nodes (41190 simplex iterations) in 32.29 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.572800000000e+05, best bound 1.572800000000e+05, gap 0.0%