Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:56:15 2012

Optimize a model with 43707 rows, 38612 columns and 168754 nonzeros
Presolve removed 257 rows and 4118 columns
Presolve time: 1.12s
Presolved: 43450 rows, 34494 columns, 163652 nonzeros
Variable types: 0 continuous, 34494 integer (34494 binary)
Found heuristic solution: objective 196.0000000

Root relaxation: objective 2.766798e+00, 30489 iterations, 3.96 seconds
Total elapsed time = 16.31s
Total elapsed time = 26.55s
Total elapsed time = 30.54s

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

     0     0    2.76680    0 5986  196.00000    2.76680  98.6%     -   35s
H    0     0                     114.0000000    2.76680  97.6%     -   54s
H    0     0                       3.0000000    2.76680  7.77%     -   54s

Explored 0 nodes (154276 simplex iterations) in 54.11 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%