Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:49:26 2012

Optimize a model with 12383 rows, 20880 columns and 57310 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.21s
Presolved: 12525 rows, 20878 columns, 77874 nonzeros
Variable types: 0 continuous, 20878 integer (20878 binary)
Found heuristic solution: objective 143.0000000

Root relaxation: objective 2.000000e+00, 8315 iterations, 0.30 seconds

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

     0     0    2.00000    0  110  143.00000    2.00000  98.6%     -    1s
H    0     0                      76.0000000    2.00000  97.4%     -    1s
H    0     0                       3.0000000    2.00000  33.3%     -    1s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    1s

Explored 0 nodes (26570 simplex iterations) in 1.15 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%