Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:23:23 2013

Optimize a model with 1400 rows, 120300 columns and 260400 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.20s
Presolved: 1300 rows, 120200 columns, 240300 nonzeros
Variable types: 120200 continuous, 0 integer (0 binary)

Root relaxation: objective 8.951303e+05, 9881 iterations, 0.86 seconds

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

     0     0 895130.293    0    4          - 895130.293     -      -    1s
H    0     0                    939151.53158 895130.293  4.69%     -    2s
     0     2 895130.293    0    4 939151.532 895130.293  4.69%     -    2s
    18    20 895787.122    9    1 939151.532 895787.122  4.62%   181    5s
    76    78 897068.809   38    1 939151.532 896210.362  4.57%   138   10s
   182   182 898670.583   91    1 939151.532 896210.362  4.57%  81.7   15s
   272   272 899259.413  136    1 939151.532 896210.362  4.57%  61.8   20s
   367   367 908988.407  184    1 939151.532 896210.362  4.57%  48.1   25s
*  415    61             208    901010.77550 896210.362  0.53%  43.2   27s
*  433    51             217    900965.62881 896210.362  0.53%  41.4   27s
   458    56 899561.191    5    3 900965.629 896210.362  0.53%  41.6   30s
   535    65 899328.077   43    1 900965.629 896210.362  0.53%  40.7   35s
   807    65 896751.761    3    1 900965.629 896471.884  0.50%  28.2   40s
*  822     8              10    896949.94038 896546.546  0.04%  29.7   42s
*  833     4              12    896634.43616 896634.324  0.00%  29.8   42s

Explored 834 nodes (34683 simplex iterations) in 42.61 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.966344361626e+05, best bound 8.966343243635e+05, gap 0.0000%