Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:26:57 2012

Optimize a model with 65539 rows, 51302 columns and 246790 nonzeros
Presolve removed 475 rows and 4748 columns
Presolve time: 4.60s
Presolved: 65064 rows, 46554 columns, 240338 nonzeros
Variable types: 0 continuous, 46554 integer (46554 binary)
Found heuristic solution: objective 226.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   39125    3.0000971e+00   6.425000e+01   0.000000e+00      5s
   43535    3.0001034e+00   1.152397e+02   0.000000e+00     10s
   47210    3.0001059e+00   2.636199e+01   0.000000e+00     15s
   50885    3.0001091e+00   2.677907e+01   0.000000e+00     20s
   54119    3.0001120e+00   8.546482e+00   0.000000e+00     25s
   57500    3.0001127e+00   1.367493e+00   0.000000e+00     30s
   57811    3.0000000e+00   0.000000e+00   0.000000e+00     30s

Root relaxation: objective 3.000000e+00, 57811 iterations, 30.49 seconds
Total elapsed time = 84.34s
Total elapsed time = 88.50s
Total elapsed time = 91.20s

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

*    0     0               0       3.0000000    3.00000   0.0%     -   91s

Explored 0 nodes (142452 simplex iterations) in 91.43 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%