Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:31:15 2013

Optimize a model with 35518 rows, 34928 columns and 139358 nonzeros
Presolve removed 59 rows and 0 columns
Presolve time: 0.15s
Presolved: 35459 rows, 34928 columns, 139299 nonzeros
Variable types: 34869 continuous, 59 integer (59 binary)

Root relaxation: objective 4.799267e+04, 4209 iterations, 1.73 seconds

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

     0     0 47992.6741    0   48          - 47992.6741     -      -    2s
H    0     0                    67996.000000 47992.6741  29.4%     -    3s
     0     0 57770.3044    0   10 67996.0000 57770.3044  15.0%     -    7s
H    0     0                    67775.954876 57770.3044  14.8%     -    7s
H    0     0                    62531.000000 57770.3044  7.61%     -    7s
     0     0 58384.8750    0    5 62531.0000 58384.8750  6.63%     -    7s
H    0     0                    61687.000000 58384.8750  5.35%     -    7s
H    0     0                    58742.000000 58384.8750  0.61%     -    7s
     0     0 58578.0695    0    3 58742.0000 58578.0695  0.28%     -    8s
     0     0 58580.1193    0    2 58742.0000 58580.1193  0.28%     -    8s
     0     2 58585.4286    0    2 58742.0000 58585.4286  0.27%     -    8s
*    3     2               3    58682.000000 58631.5941  0.09%  80.7    8s

Cutting planes:
  Implied bound: 51

Explored 5 nodes (8551 simplex iterations) in 8.98 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.868200000000e+04, best bound 5.867857881800e+04, gap 0.0058%