Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:45:16 2012

Optimize a model with 29381 rows, 31506 columns and 118765 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.70s
Presolved: 29556 rows, 31504 columns, 149762 nonzeros
Variable types: 0 continuous, 31504 integer (31504 binary)
Found heuristic solution: objective 177.0000000

Root relaxation: objective 2.000000e+00, 19246 iterations, 1.24 seconds

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

     0     0    2.00000    0  294  177.00000    2.00000  98.9%     -    4s
H    0     0                     116.0000000    2.00000  98.3%     -    4s
H    0     0                       4.0000000    2.00000  50.0%     -    4s
     0     0    2.24540    0 1498    4.00000    2.24540  43.9%     -    7s
H    0     0                       3.0000000    2.24540  25.2%     -    7s

Cutting planes:
  Gomory: 1
  Zero half: 8

Explored 0 nodes (70510 simplex iterations) in 7.87 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%