Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:22:02 2012

Optimize a model with 28559 rows, 29070 columns and 113898 nonzeros
Presolve removed 20 rows and 3062 columns
Presolve time: 0.63s
Presolved: 28539 rows, 26008 columns, 110502 nonzeros
Variable types: 0 continuous, 26008 integer (26008 binary)
Found heuristic solution: objective 170.0000000

Root relaxation: objective 2.000000e+00, 18992 iterations, 1.22 seconds

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

     0     0    2.00000    0  296  170.00000    2.00000  98.8%     -    3s
H    0     0                     156.0000000    2.00000  98.7%     -    3s
H    0     0                       4.0000000    2.00000  50.0%     -    3s
H    0     0                       3.0000000    2.00000  33.3%     -    4s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    4s

Cutting planes:
  Gomory: 2
  Zero half: 16

Explored 0 nodes (60426 simplex iterations) in 4.15 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%