Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:55:03 2012

Optimize a model with 18999 rows, 23256 columns and 79494 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.37s
Presolved: 19149 rows, 23254 columns, 102348 nonzeros
Variable types: 0 continuous, 23254 integer (23254 binary)
Found heuristic solution: objective 152.0000000

Root relaxation: objective 2.000000e+00, 13028 iterations, 0.66 seconds

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

     0     0    2.00000    0  188  152.00000    2.00000  98.7%     -    2s
H    0     0                     144.0000000    2.00000  98.6%     -    2s
H    0     0                       4.0000000    2.00000  50.0%     -    2s
H    0     0                       3.0000000    2.00000  33.3%     -    2s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    2s

Cutting planes:
  Gomory: 2
  Zero half: 11

Explored 0 nodes (40925 simplex iterations) in 2.45 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%