Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:34:04 2013

Optimize a model with 2186 rows, 78046 columns and 4248516 nonzeros
Presolve removed 20 rows and 0 columns
Presolve time: 4.53s
Presolved: 2166 rows, 78046 columns, 4247225 nonzeros
Variable types: 0 continuous, 78046 integer (78046 binary)
Found heuristic solution: objective 35849.000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7477    2.6495257e+04   1.296305e+03   0.000000e+00      5s
   10437    2.6814565e+04   8.491002e+02   0.000000e+00     10s
   12657    2.6943667e+04   3.154435e+02   0.000000e+00     15s
   14729    2.7012410e+04   7.242784e+02   0.000000e+00     20s
   16505    2.7037431e+04   7.061753e+02   0.000000e+00     25s
   17985    2.7053111e+04   1.479111e+02   0.000000e+00     30s
   19317    2.7060735e+04   4.714323e+01   0.000000e+00     35s
   20649    2.7063000e+04   4.500000e+01   0.000000e+00     41s
   21145    2.7063143e+04   0.000000e+00   0.000000e+00     43s

Root relaxation: objective 2.706314e+04, 21145 iterations, 43.12 seconds
Total elapsed time = 50.85s

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

     0     0 27063.1429    0  185 35849.0000 27063.1429  24.5%     -   51s
H    0     0                    27432.000000 27063.1429  1.34%     -   60s
*    0     0               0    27065.000000 27065.0000   0.0%     -   66s

Cutting planes:
  Clique: 26
  Zero half: 18

Explored 0 nodes (23696 simplex iterations) in 66.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.706500000000e+04, best bound 2.706500000000e+04, gap 0.0%