Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:53:15 2012

Optimize a model with 18299 rows, 22650 columns and 76798 nonzeros
Presolve removed 30 rows and 4202 columns
Presolve time: 0.36s
Presolved: 18269 rows, 18448 columns, 72354 nonzeros
Variable types: 0 continuous, 18448 integer (18448 binary)
Found heuristic solution: objective 150.0000000

Root relaxation: objective 2.000000e+00, 12821 iterations, 0.63 seconds

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

     0     0    2.00000    0  202  150.00000    2.00000  98.7%     -    1s
H    0     0                      99.0000000    2.00000  98.0%     -    1s
H    0     0                       3.0000000    2.00000  33.3%     -    1s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    2s

Cutting planes:
  Gomory: 2
  Zero half: 8

Explored 0 nodes (39999 simplex iterations) in 2.06 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%