Gurobi 5.0.1 (linux64) logging started Tue Nov 20 06:22:03 2012

Optimize a model with 959 rows, 137 columns and 1918 nonzeros
Presolve removed 399 rows and 0 columns
Presolve time: 0.01s
Presolved: 560 rows, 137 columns, 1477 nonzeros
Variable types: 0 continuous, 137 integer (137 binary)
Found heuristic solution: objective 28.0000000

Root relaxation: objective 4.514282e+01, 411 iterations, 0.01 seconds

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

     0     0   45.14282    0  136   28.00000   45.14282  61.2%     -    0s
H    0     0                      33.0000000   45.14282  36.8%     -    0s
     0     0   44.72183    0  137   33.00000   44.72183  35.5%     -    0s
     0     0   44.64336    0  137   33.00000   44.64336  35.3%     -    0s
H    0     0                      34.0000000   44.64336  31.3%     -    0s
     0     0   44.52312    0  137   34.00000   44.52312  31.0%     -    0s
H    0     0                      35.0000000   44.52312  27.2%     -    0s
     0     0   44.28413    0  137   35.00000   44.28413  26.5%     -    0s
     0     0   44.12406    0  136   35.00000   44.12406  26.1%     -    0s
     0     0   44.04298    0  137   35.00000   44.04298  25.8%     -    0s
     0     0   44.03452    0  137   35.00000   44.03452  25.8%     -    0s
     0     0   44.03452    0  137   35.00000   44.03452  25.8%     -    0s
     0     2   44.03112    0  137   35.00000   44.03112  25.8%     -    0s
H  522   152                      36.0000000   40.88270  13.6%  40.0    0s
  2989   292   37.33333   22   77   36.00000   38.66423  7.40%  35.5    5s

Explored 3758 nodes (127097 simplex iterations) in 5.81 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.600000000000e+01, best bound 3.600000000000e+01, gap 0.0%