Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:15:27 2012

Optimize a model with 23546 rows, 28056 columns and 97860 nonzeros
Presolve removed 29 rows and 4511 columns
Presolve time: 0.50s
Presolved: 23517 rows, 23545 columns, 93069 nonzeros
Variable types: 0 continuous, 23545 integer (23545 binary)
Found heuristic solution: objective 167.0000000

Root relaxation: objective 2.000000e+00, 16752 iterations, 0.96 seconds

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

     0     0    2.00000    0  238  167.00000    2.00000  98.8%     -    3s
H    0     0                     152.0000000    2.00000  98.7%     -    3s
H    0     0                       3.0000000    2.00000  33.3%     -    3s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    3s

Cutting planes:
  Gomory: 1
  Zero half: 2

Explored 0 nodes (53652 simplex iterations) in 3.38 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%