Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:46 2013

Optimize a model with 30 rows, 25 columns and 80 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 20 rows, 15 columns, 60 nonzeros
Variable types: 5 continuous, 10 integer (10 binary)

Root relaxation: objective 1.710000e+02, 9 iterations, 0.00 seconds

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

     0     0  171.00000    0    6          -  171.00000     -      -    0s
H    0     0                     611.0000000  171.00000  72.0%     -    0s
H    0     0                     463.0000000  171.00000  63.1%     -    0s
     0     0  236.73436    0    7  463.00000  236.73436  48.9%     -    0s
     0     0  252.44823    0    9  463.00000  252.44823  45.5%     -    0s
     0     0  270.21905    0    6  463.00000  270.21905  41.6%     -    0s
     0     0  274.72227    0    8  463.00000  274.72227  40.7%     -    0s
     0     0  277.54967    0    8  463.00000  277.54967  40.1%     -    0s
     0     0  277.60617    0    8  463.00000  277.60617  40.0%     -    0s
H    0     0                     375.0000000  277.60617  26.0%     -    0s
     0     2  278.60990    0    8  375.00000  278.60990  25.7%     -    0s

Cutting planes:
  Implied bound: 2
  MIR: 21

Explored 28 nodes (135 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.750000000000e+02, best bound 3.750000000000e+02, gap 0.0%