Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:29:10 2013

Optimize a model with 869 rows, 62489 columns and 124899 nonzeros
Presolve time: 0.09s
Presolved: 869 rows, 62489 columns, 124899 nonzeros
Variable types: 62410 continuous, 79 integer (79 binary)

Root relaxation: objective 8.976664e+04, 2073 iterations, 0.07 seconds

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

     0     0 89766.6363    0    8          - 89766.6363     -      -    0s
H    0     0                    95720.000000 89766.6363  6.22%     -    0s
H    0     0                    90346.000000 89766.6363  0.64%     -    0s
     0     0 90064.8829    0    6 90346.0000 90064.8829  0.31%     -    0s
     0     0 90064.8829    0    8 90346.0000 90064.8829  0.31%     -    0s
     0     0 90064.8829    0    6 90346.0000 90064.8829  0.31%     -    0s
     0     0 90087.3910    0    5 90346.0000 90087.3910  0.29%     -    0s
     0     0 90100.5576    0    4 90346.0000 90100.5576  0.27%     -    1s
     0     0 90106.9430    0    4 90346.0000 90106.9430  0.26%     -    1s
     0     0 90109.6757    0    4 90346.0000 90109.6757  0.26%     -    1s
     0     0 90110.1896    0    3 90346.0000 90110.1896  0.26%     -    1s
     0     0 90110.1896    0    3 90346.0000 90110.1896  0.26%     -    1s
     0     0 90110.1896    0    3 90346.0000 90110.1896  0.26%     -    1s
     0     0 90166.0773    0    5 90346.0000 90166.0773  0.20%     -    1s
     0     0 90182.3358    0    4 90346.0000 90182.3358  0.18%     -    1s
H    0     0                    90325.000000 90182.3358  0.16%     -    1s
     0     2 90198.5610    0    4 90325.0000 90198.5610  0.14%     -    1s

Cutting planes:
  Implied bound: 72

Explored 13 nodes (4928 simplex iterations) in 1.88 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.032500000000e+04, best bound 9.032500000000e+04, gap 0.0%