Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:35:36 2012

Optimize a model with 29579 rows, 30450 columns and 118318 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.63s
Presolved: 29751 rows, 30448 columns, 148254 nonzeros
Variable types: 0 continuous, 30448 integer (30448 binary)
Found heuristic solution: objective 174.0000000

Root relaxation: objective 2.000000e+00, 19378 iterations, 1.23 seconds

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

     0     0    2.00000    0  276  174.00000    2.00000  98.9%     -    4s
H    0     0                     145.0000000    2.00000  98.6%     -    4s
H    0     0                       4.0000000    2.00000  50.0%     -    4s
H    0     0                       3.0000000    2.00000  33.3%     -    4s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    4s

Cutting planes:
  Gomory: 1
  Zero half: 13

Explored 0 nodes (63764 simplex iterations) in 4.26 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%