Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:23:41 2013

Optimize a model with 3400 rows, 102200 columns and 208100 nonzeros
Presolve removed 400 rows and 300 columns
Presolve time: 0.43s
Presolved: 3000 rows, 101900 columns, 206500 nonzeros
Variable types: 101000 continuous, 900 integer (900 binary)

Root relaxation: objective 9.188392e+05, 7257 iterations, 0.70 seconds

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

     0     0 918839.221    0    4          - 918839.221     -      -    1s
H    0     0                    1111274.5456 918839.221  17.3%     -    1s
H    0     0                    1010072.4967 918839.221  9.03%     -    2s
H    0     0                    931698.72490 918839.221  1.38%     -    4s
     0     2 918896.097    0    4 931698.725 918896.097  1.37%     -    4s
     2     4 919009.601    2    2 931698.725 918973.184  1.37%   141    5s
H    4     4                    919383.22615 918973.184  0.04%   105    5s
H    6     4                    919380.50786 918973.184  0.04%  97.3    5s
H    7     4                    919376.31149 918973.184  0.04%  87.1    5s
*   18     4              17    919369.63105 918973.184  0.04%  35.8    6s

Explored 21 nodes (8301 simplex iterations) in 6.86 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.193696310472e+05, best bound 9.192779831077e+05, gap 0.0100%