Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:54:36 2012

Optimize a model with 47249 rows, 44310 columns and 185008 nonzeros
Presolve removed 28 rows and 5462 columns
Presolve time: 1.11s
Presolved: 47221 rows, 38848 columns, 179098 nonzeros
Variable types: 0 continuous, 38848 integer (38848 binary)
Found heuristic solution: objective 210.0000000

Root relaxation: objective 2.000000e+00, 27370 iterations, 2.09 seconds
Total elapsed time = 6.36s

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

     0     0    2.00000    0  350  210.00000    2.00000  99.0%     -    7s
H    0     0                     138.0000000    2.00000  98.6%     -    7s
H    0     0                       4.0000000    2.00000  50.0%     -    7s
H    0     0                       3.0000000    2.00000  33.3%     -    7s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    7s

Cutting planes:
  Gomory: 1
  Zero half: 31

Explored 0 nodes (91108 simplex iterations) in 7.83 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%