Originally posted by: JDalal
I am implementing Benders Decomposition. While solving the dual subproblem (a maximization LP), I get the following error: (Small toy example works fine, though). Any suggestion what to do???
Tried aggregator 1 time.
LP Presolve eliminated 7726 rows and 5153 columns.
Reduced LP has 424 rows, 458 columns, and 2103 nonzeros.
Presolve time = 0.02 sec.
Initializing dual steep norms . . .
Iteration log . . .
Iteration: 1 Scaled dual infeas = 361128.000000
Iteration: 62 Scaled dual infeas = 201727.999988
Iteration: 153 Scaled dual infeas = 41008.999979
Iteration: 196 Scaled dual infeas = 4697.000000
Iteration: 274 Scaled dual infeas = 4697.000000
Perturbation started.
Iteration: 297 Scaled dual infeas = 4696.999998
Iteration: 397 Scaled dual infeas = 4696.999991
Iteration: 555 Scaled dual infeas = 4696.999981
Iteration: 761 Scaled dual infeas = 4696.999965
Iteration: 1002 Scaled dual infeas = 4696.999948
Removing perturbation.
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