Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:33 2013

Optimize a model with 10624 rows, 10304 columns and 41024 nonzeros
Presolve removed 32 rows and 0 columns
Presolve time: 0.04s
Presolved: 10592 rows, 10304 columns, 40992 nonzeros
Variable types: 10272 continuous, 32 integer (32 binary)

Root relaxation: objective 2.892445e+04, 1416 iterations, 0.16 seconds

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

     0     0 28924.4487    0   25          - 28924.4487     -      -    0s
H    0     0                    33643.000000 28924.4487  14.0%     -    0s
     0     0 31409.9170    0    4 33643.0000 31409.9170  6.64%     -    0s
H    0     0                    32959.188955 31409.9170  4.70%     -    0s
H    0     0                    32222.000000 31409.9170  2.52%     -    0s
H    0     0                    31759.000000 31409.9170  1.10%     -    0s
     0     0 31417.4195    0    5 31759.0000 31417.4195  1.08%     -    0s
H    0     0                    31593.000000 31417.4195  0.56%     -    0s
     0     0 31417.7548    0    3 31593.0000 31417.7548  0.55%     -    0s
     0     2 31419.0621    0    3 31593.0000 31419.0621  0.55%     -    0s
*    3     3               3    31464.000000 31464.0000   0.0%  38.0    0s

Cutting planes:
  Implied bound: 27

Explored 4 nodes (2254 simplex iterations) in 0.92 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.146400000000e+04, best bound 3.146400000000e+04, gap 0.0%