Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:52 2013

Optimize a model with 45 rows, 36 columns and 120 nonzeros
Presolve removed 15 rows and 15 columns
Presolve time: 0.00s
Presolved: 30 rows, 21 columns, 90 nonzeros
Variable types: 6 continuous, 15 integer (15 binary)

Root relaxation: objective 1.360000e+02, 10 iterations, 0.00 seconds

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

     0     0  136.00000    0   10          -  136.00000     -      -    0s
H    0     0                     526.0000000  136.00000  74.1%     -    0s
H    0     0                     496.0000000  136.00000  72.6%     -    0s
     0     0  210.49165    0    6  496.00000  210.49165  57.6%     -    0s
     0     0  235.14517    0    9  496.00000  235.14517  52.6%     -    0s
     0     0  240.18412    0   11  496.00000  240.18412  51.6%     -    0s
     0     0  240.47310    0   12  496.00000  240.47310  51.5%     -    0s
     0     0  240.47310    0   12  496.00000  240.47310  51.5%     -    0s
     0     2  241.44233    0   11  496.00000  241.44233  51.3%     -    0s
*   13    13               7     458.0000000  254.23602  44.5%   4.8    0s
*   35     9               6     392.0000000  290.97959  25.8%   3.9    0s

Cutting planes:
  Implied bound: 1
  MIR: 31

Explored 63 nodes (287 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.920000000000e+02, best bound 3.920000000000e+02, gap 0.0%