Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:20:35 2012

Optimize a model with 46639 rows, 45156 columns and 184014 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 1.08s
Presolved: 46849 rows, 45154 columns, 228518 nonzeros
Variable types: 0 continuous, 45154 integer (45154 binary)
Found heuristic solution: objective 212.0000000

Root relaxation: objective 2.000000e+00, 29229 iterations, 2.54 seconds
Total elapsed time = 6.86s

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

     0     0    2.00000    0  332  212.00000    2.00000  99.1%     -    7s
H    0     0                     159.0000000    2.00000  98.7%     -    8s
H    0     0                       4.0000000    2.00000  50.0%     -    8s
H    0     0                       3.0000000    2.00000  33.3%     -    8s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    8s

Cutting planes:
  Gomory: 1
  Zero half: 32

Explored 0 nodes (94242 simplex iterations) in 8.31 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%