Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:55 2013

Optimize a model with 918 rows, 828 columns and 3258 nonzeros
Presolve removed 9 rows and 0 columns
Presolve time: 0.00s
Presolved: 909 rows, 828 columns, 3249 nonzeros
Variable types: 819 continuous, 9 integer (9 binary)

Root relaxation: objective 1.181342e+04, 141 iterations, 0.00 seconds

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

     0     0 11813.4161    0    3          - 11813.4161     -      -    0s
H    0     0                    11972.000000 11813.4161  1.32%     -    0s
*    0     0               0    11951.000000 11951.0000   0.0%     -    0s

Cutting planes:
  Gomory: 2
  Implied bound: 3

Explored 0 nodes (159 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.195100000000e+04, best bound 1.195100000000e+04, gap 0.0%