Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:28:39 2013
Optimize a model with 71568 rows, 70728 columns and 282408 nonzeros
Presolve removed 84 rows and 0 columns
Presolve time: 0.33s
Presolved: 71484 rows, 70728 columns, 282324 nonzeros
Variable types: 70644 continuous, 84 integer (84 binary)
Root simplex log...
Iteration Objective Primal Inf. Dual Inf. Time
7809 6.6872469e+04 7.408026e+04 0.000000e+00 5s
8488 6.6973557e+04 0.000000e+00 0.000000e+00 7s
Root relaxation: objective 6.697356e+04, 8488 iterations, 6.66 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 66973.5574 0 56 - 66973.5574 - - 7s
H 0 0 112169.00000 66973.5574 40.3% - 10s
H 0 0 93552.000000 66973.5574 28.4% - 35s
0 0 80335.0071 0 18 93552.0000 80335.0071 14.1% - 48s
0 0 86319.3015 0 9 93552.0000 86319.3015 7.73% - 53s
H 0 0 93184.000000 86319.3015 7.37% - 53s
0 0 87160.9117 0 4 93184.0000 87160.9117 6.46% - 55s
0 0 87751.1436 0 5 93184.0000 87751.1436 5.83% - 56s
0 0 87818.8676 0 4 93184.0000 87818.8676 5.76% - 56s
H 0 0 92779.135167 87818.8676 5.35% - 56s
H 0 0 92272.000000 87818.8676 4.83% - 56s
H 0 0 88514.000000 87818.8676 0.79% - 56s
0 2 87821.4389 0 4 88514.0000 87821.4389 0.78% - 58s
4 5 88198.9302 3 1 88514.0000 88115.1777 0.45% 567 60s
H 6 3 88188.000000 88115.1777 0.08% 414 60s
* 7 2 5 88154.000000 88115.1777 0.04% 364 60s
Cutting planes:
Implied bound: 78
Explored 10 nodes (22495 simplex iterations) in 60.31 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 8.815400000000e+04, best bound 8.815400000000e+04, gap 0.0%