Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:43:51 2012

Optimize a model with 40143 rows, 37442 columns and 156907 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.92s
Presolved: 40334 rows, 37440 columns, 193740 nonzeros
Variable types: 0 continuous, 37440 integer (37440 binary)
Found heuristic solution: objective 193.0000000

Root relaxation: objective 2.000000e+00, 23148 iterations, 1.67 seconds
Total elapsed time = 5.28s

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

     0     0    2.00000    0  332  193.00000    2.00000  99.0%     -    6s
H    0     0                     188.0000000    2.00000  98.9%     -    6s
H    0     0                       4.0000000    2.00000  50.0%     -    6s
H    0     0                       3.0000000    2.00000  33.3%     -    6s

Cutting planes:
  Gomory: 1

Explored 0 nodes (79480 simplex iterations) in 6.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 2.000000000000e+00, gap 33.3333%