Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:30:17 2012

Optimize a model with 58985 rows, 51302 columns and 227128 nonzeros
Presolve removed 25 rows and 5200 columns
Presolve time: 1.39s
Presolved: 58960 rows, 46102 columns, 221408 nonzeros
Variable types: 0 continuous, 46102 integer (46102 binary)
Found heuristic solution: objective 226.0000000

Root relaxation: objective 2.000000e+00, 31522 iterations, 2.78 seconds
Total elapsed time = 8.36s

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

     0     0    2.00000    0  400  226.00000    2.00000  99.1%     -    9s
H    0     0                     224.0000000    2.00000  99.1%     -    9s
H    0     0                       4.0000000    2.00000  50.0%     -   10s
     0     0    2.66667    0 14117    4.00000    2.66667  33.3%     -   33s
     0     0    2.66667    0 14034    4.00000    2.66667  33.3%     -   71s
     0     0    2.66667    0 13223    4.00000    2.66667  33.3%     -   79s
     0     0    2.66667    0 11269    4.00000    2.66667  33.3%     -   85s
     0     0    2.66667    0 14482    4.00000    2.66667  33.3%     -  108s
H    0     0                       3.0000000    2.66667  11.1%     -  114s

Cutting planes:
  Clique: 2
  Zero half: 25

Explored 0 nodes (150519 simplex iterations) in 114.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%