Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:02:34 2013

Optimize a model with 135 rows, 100 columns and 360 nonzeros
Presolve removed 45 rows and 45 columns
Presolve time: 0.00s
Presolved: 90 rows, 55 columns, 270 nonzeros
Variable types: 10 continuous, 45 integer (45 binary)
Found heuristic solution: objective 2484.0000000

Root relaxation: objective 2.600000e+02, 38 iterations, 0.00 seconds

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

     0     0  260.00000    0   34 2484.00000  260.00000  89.5%     -    0s
     0     0  478.69822    0   22 2484.00000  478.69822  80.7%     -    0s
     0     0  497.25652    0   28 2484.00000  497.25652  80.0%     -    0s
     0     0  498.31034    0   30 2484.00000  498.31034  79.9%     -    0s
     0     0  498.31034    0   29 2484.00000  498.31034  79.9%     -    0s
H    0     0                    1361.0000000  498.31034  63.4%     -    0s
     0     2  537.64300    0   29 1361.00000  537.64300  60.5%     -    0s
*  182   117              16    1359.0000000  692.36180  49.1%   5.4    0s
*  512   209              17    1327.0000000  784.43560  40.9%   4.7    0s
H  582   219                    1312.0000000  799.23191  39.1%   4.6    0s
H  704   234                    1307.0000000  840.14706  35.7%   4.5    0s
H 3977   386                    1303.0000000 1026.28600  21.2%   3.7    0s
* 6243   128              27    1301.0000000 1210.00000  6.99%   3.1    0s

Cutting planes:
  Gomory: 11
  Implied bound: 3
  MIR: 20

Explored 6494 nodes (19945 simplex iterations) in 0.45 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.301000000000e+03, best bound 1.300933333333e+03, gap 0.0051%