Gurobi 5.0.1 (linux64) logging started Tue Nov 20 06:23:52 2012

Optimize a model with 924 rows, 138 columns and 1848 nonzeros
Presolve removed 361 rows and 0 columns
Presolve time: 0.01s
Presolved: 563 rows, 138 columns, 1471 nonzeros
Variable types: 0 continuous, 138 integer (138 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 4.543621e+01, 419 iterations, 0.01 seconds

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

     0     0   45.43621    0  138   29.00000   45.43621  56.7%     -    0s
H    0     0                      31.0000000   45.43621  46.6%     -    0s
     0     0   45.19511    0  137   31.00000   45.19511  45.8%     -    0s
     0     0   45.02124    0  138   31.00000   45.02124  45.2%     -    0s
     0     0   44.91272    0  138   31.00000   44.91272  44.9%     -    0s
H    0     0                      32.0000000   44.91272  40.4%     -    0s
     0     0   44.80602    0  137   32.00000   44.80602  40.0%     -    0s
     0     0   44.74460    0  137   32.00000   44.74460  39.8%     -    0s
     0     0   44.68818    0  137   32.00000   44.68818  39.7%     -    0s
     0     0   44.66036    0  138   32.00000   44.66036  39.6%     -    0s
     0     0   44.55372    0  138   32.00000   44.55372  39.2%     -    0s
     0     0   44.49837    0  138   32.00000   44.49837  39.1%     -    0s
     0     0   44.46268    0  138   32.00000   44.46268  38.9%     -    0s
     0     0   44.39643    0  138   32.00000   44.39643  38.7%     -    0s
     0     0   44.34587    0  138   32.00000   44.34587  38.6%     -    0s
     0     0   44.28902    0  138   32.00000   44.28902  38.4%     -    0s
     0     0   44.25136    0  137   32.00000   44.25136  38.3%     -    0s
     0     0   44.16045    0  137   32.00000   44.16045  38.0%     -    0s
     0     0   44.05595    0  136   32.00000   44.05595  37.7%     -    0s
     0     0   44.02469    0  137   32.00000   44.02469  37.6%     -    0s
     0     0   44.02219    0  137   32.00000   44.02219  37.6%     -    0s
     0     0   44.02219    0  137   32.00000   44.02219  37.6%     -    0s
     0     2   44.02219    0  137   32.00000   44.02219  37.6%     -    0s
H   13    13                      33.0000000   44.00938  33.4%  48.4    0s
*   20    19              15      34.0000000   44.00938  29.4%  37.0    0s
H 1918   662                      35.0000000   40.55509  15.9%  38.4    3s
  2823   905     cutoff   24        35.00000   39.61111  13.2%  35.7    5s
  8296   554     cutoff   32        35.00000   37.00000  5.71%  29.1   10s

Explored 9245 nodes (259112 simplex iterations) in 10.47 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.500000000000e+01, best bound 3.500000000000e+01, gap 0.0%