Gurobi 5.0.1 (linux64) logging started Wed Apr 24 02:45:24 2013
Optimize a model with 55574 rows, 54834 columns and 219114 nonzeros
Presolve removed 2115 rows and 0 columns
Presolve time: 0.35s
Presolved: 53459 rows, 54834 columns, 214884 nonzeros
Variable types: 54760 continuous, 74 integer (74 binary)
Root relaxation: objective 7.344945e+04, 9182 iterations, 1.67 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 73449.4533 0 5 - 73449.4533 - - 2s
H 0 0 78227.000000 73449.4533 6.11% - 2s
H 0 0 77042.000000 73449.4533 4.66% - 2s
0 0 73451.9344 0 6 77042.0000 73451.9344 4.66% - 2s
H 0 0 77035.000000 73451.9344 4.65% - 2s
0 0 73452.5970 0 6 77035.0000 73452.5970 4.65% - 3s
0 0 73452.8139 0 6 77035.0000 73452.8139 4.65% - 3s
H 0 0 76581.000000 73452.8139 4.08% - 5s
0 2 73460.9413 0 6 76581.0000 73460.9413 4.07% - 5s
H 5 5 75955.739865 73551.4079 3.17% 143 6s
H 6 6 75917.638187 73551.4079 3.12% 154 6s
H 8 8 75492.827586 73551.4079 2.57% 146 6s
H 16 12 74636.500000 73551.4079 1.45% 116 7s
H 20 10 74313.428571 73551.4079 1.03% 101 8s
H 27 9 74230.000000 73717.4000 0.69% 112 9s
H 28 7 73971.060484 73717.4000 0.34% 108 9s
* 30 6 7 73758.000000 73717.4000 0.06% 103 9s
Cutting planes:
Gomory: 1
Flow cover: 5
Explored 35 nodes (12399 simplex iterations) in 9.23 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 7.375800000000e+04, best bound 7.375800000000e+04, gap 0.0%