<div dir="ltr">Dear support team,<br><div><br></div><div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">I am working on the problem, and I am willing to use SCIP's</span><code style="box-sizing:border-box;font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;font-size:11.9px;padding:0.2em 0.4em;margin:0px;border-radius:6px;color:rgb(31,35,40)"><i><b>onshdlr</b></i></code><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">callback, </span><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">preferably PySCIPopt,</span><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px"> to check how the constraints might be added to the model. The problem I have is a simple linear program, MILP, that </span>is solved<span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px"> optimality. I sum up my questions as follows and am wondering if, you can advise me.</span></div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px"><br></span></div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">1) As the definition of </span><i><b><span style="background-color:transparent;font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;color:rgb(31,35,40);font-size:11.9px">consenfolp/</span><span style="background-color:transparent;font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;color:rgb(31,35,40);font-size:11.9px">consenfops</span><span style="background-color:transparent"> </span></b></i><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">is very specific and contains the term <b><i>price-and-cut loop</i></b>, What does the price-and-cut loop mean?</span></div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px"><br></span></div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">2) W</span><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">hat is the difference between </span><i><b><span style="background-color:transparent;font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;color:rgb(31,35,40);font-size:11.9px">consenfolp/</span><span style="background-color:transparent;font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;color:rgb(31,35,40);font-size:11.9px">consenfops</span><span style="background-color:transparent"> </span></b></i><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">and </span><span style="background-color:transparent;font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;color:rgb(31,35,40);font-size:11.9px"><i><b>conscheck</b></i></span><span style="font-size:14px;color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji""> </span><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">when applied to the model?</span></div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">  </span></div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">2) </span><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">As my problem has a primal feasible solution, actually optimal one, and already other callbacks seem to work fine, how is it possible to reject the constraints/solution by </span><i><b><span style="background-color:transparent;font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;color:rgb(31,35,40);font-size:11.9px">consenfolp/</span><span style="background-color:transparent">consenfops</span></b></i>?</div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px"><br></span></div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">3) Is it still necessary to use</span> <b><i>conshdlr.createData</i></b><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px"> when we want to add the constraint?</span></div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px"><br></span></div><div><br></div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">(The <a href="http://listserv.zib.de/pipermail/scip/2023-July/004687.html">link</a> to my previous post)</span></div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">Best regards</span></div><div><span style="color:rgb(31,35,40);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:14px">Abbas</span></div></div></div>