Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:52:55 2013
Optimize a model with 1900 rows, 101700 columns and 204100 nonzeros
Presolve removed 200 rows and 300 columns
Presolve time: 0.42s
Presolved: 1700 rows, 101400 columns, 202800 nonzeros
Variable types: 101000 continuous, 400 integer (400 binary)
Root relaxation: objective 9.481640e+05, 6865 iterations, 0.55 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 948163.962 0 4 - 948163.962 - - 1s
H 0 0 1045693.0343 948163.962 9.33% - 1s
H 0 0 960008.20110 948163.962 1.23% - 1s
0 0 948320.529 0 4 960008.201 948320.529 1.22% - 1s
0 0 948359.880 0 4 960008.201 948359.880 1.21% - 2s
0 0 948366.978 0 4 960008.201 948366.978 1.21% - 2s
0 0 948371.771 0 4 960008.201 948371.771 1.21% - 2s
0 0 948374.943 0 4 960008.201 948374.943 1.21% - 2s
0 0 948375.724 0 4 960008.201 948375.724 1.21% - 2s
0 0 948377.737 0 4 960008.201 948377.737 1.21% - 3s
0 0 948378.172 0 4 960008.201 948378.172 1.21% - 3s
0 0 948380.122 0 4 960008.201 948380.122 1.21% - 3s
0 0 948380.122 0 4 960008.201 948380.122 1.21% - 3s
0 0 948380.470 0 4 960008.201 948380.470 1.21% - 4s
0 0 948380.658 0 4 960008.201 948380.658 1.21% - 4s
0 0 948380.658 0 4 960008.201 948380.658 1.21% - 5s
0 2 948381.735 0 4 960008.201 948381.735 1.21% - 5s
* 26 11 24 950276.23626 948460.862 0.19% 92.5 9s
29 8 948669.809 1 3 950276.236 948669.809 0.17% 98.7 10s
54 7 950102.354 13 1 950276.236 949682.500 0.06% 158 15s
H 60 3 950067.53247 949767.629 0.03% 147 15s
Cutting planes:
Flow cover: 27
Explored 140 nodes (16797 simplex iterations) in 17.56 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 9.500675324736e+05, best bound 9.499856843967e+05, gap 0.0086%