[Ipopt] ipopt run message

[Hossein Haghighat]

hello,

Does anybody know what the following messages mean:


In iteration 1766, 1 Slack too small, adjusting variable bound
In iteration 1937, 1 Slack too small, adjusting variable bound
MA27BD returned iflag=-4 and requires more memory.
 Increase liw from 363145 to 3631450 and la from 1139815 to 11411860 and
factorize again.
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