Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:31 2013

Optimize a model with 240 rows, 1120 columns and 2410 nonzeros
Presolve removed 40 rows and 30 columns
Presolve time: 0.00s
Presolved: 200 rows, 1090 columns, 2300 nonzeros
Variable types: 1050 continuous, 40 integer (40 binary)

Root relaxation: objective 1.937272e+04, 117 iterations, 0.00 seconds

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

     0     0 19372.7157    0    2          - 19372.7157     -      -    0s
H    0     0                    19511.545693 19372.7157  0.71%     -    0s
     0     0 19447.3480    0    2 19511.5457 19447.3480  0.33%     -    0s
     0     0 19505.1761    0    2 19511.5457 19505.1761  0.03%     -    0s
     0     0     cutoff    0      19511.5457 19511.5457   0.0%     -    0s

Cutting planes:
  Gomory: 3

Explored 0 nodes (133 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.951154569350e+04, best bound 1.951154569350e+04, gap 0.0%