Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:43:31 2012

Optimize a model with 60499 rows, 48620 columns and 229018 nonzeros
Presolve removed 902 rows and 4402 columns
Presolve time: 4.22s
Presolved: 59597 rows, 44218 columns, 221876 nonzeros
Variable types: 0 continuous, 44218 integer (44218 binary)
Found heuristic solution: objective 220.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32181    3.0000790e+00   3.485000e+01   0.000000e+00      5s
   37257    3.0000838e+00   4.582304e+02   0.000000e+00     10s
   40641    3.0000867e+00   1.753252e+02   0.000000e+00     15s
   44166    3.0000897e+00   2.070000e+02   0.000000e+00     20s
   47973    3.0000949e+00   6.607874e+00   0.000000e+00     25s
   51357    3.0000986e+00   2.088272e+01   0.000000e+00     30s
   54318    3.0001011e+00   5.705059e+00   0.000000e+00     35s
   56747    3.0000000e+00   0.000000e+00   0.000000e+00     39s

Root relaxation: objective 3.000000e+00, 56747 iterations, 39.39 seconds
Total elapsed time = 91.13s
Total elapsed time = 95.55s
Total elapsed time = 100.45s

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

     0     0    3.00000    0  290  220.00000    3.00000  98.6%     -  106s
H    0     0                       3.0000000    3.00000   0.0%     -  107s

Explored 0 nodes (171257 simplex iterations) in 107.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%