Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:04:47 2013

Optimize a model with 1400 rows, 150300 columns and 350400 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.24s
Presolved: 1300 rows, 150200 columns, 300300 nonzeros
Variable types: 150200 continuous, 0 integer (0 binary)

Root relaxation: objective 8.951303e+05, 9944 iterations, 0.97 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
     0     2 895130.293    0    4          - 895130.293     -      -    3s
    14    16 895760.379    7    1          - 895760.379     -    181    5s
    78    80 897077.387   39    1          - 896210.362     -    121   10s
   187   189 911526.764   94    2          - 896210.362     -   75.1   15s
*  247   159             124    911082.00077 896210.362  1.63%  62.3   16s
*  323   171             162    907246.20513 896210.362  1.22%  49.0   18s
   377   209 906464.112  189    1 907246.205 896210.362  1.22%  42.4   20s
*  558    42             279    900340.93927 896210.362  0.46%  29.4   24s
   562    35 896582.089    3    1 900340.939 896210.362  0.46%  30.5   25s
   730    45 899962.208   87    1 900340.939 896210.362  0.46%  26.9   30s
*  831     8              10    896949.94038 896546.546  0.04%  26.2   32s
*  842     4              12    896634.43616 896634.324  0.00%  26.6   33s

Explored 843 nodes (32360 simplex iterations) in 33.93 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%