[Scip] Calling SCIPreleaseCons() before terminating the program

[Hélène Toussaint]

Dear SCIP team,

I solve a problem using a Branch and Price in which I add some 
constraints at each node besides the branching constraints. These 
constraints are valid in the current node and its children only. I 
create them using SCIPcreateCons() with:
initial =separate = enforce = check = propagate = local = modifiable = 
TRUE and
dynamic = removable =stickingatnode = FALSE.
and I store the SCIP_Cons pointer.

I don't call SCIPreleaseCons() right after adding a constraint but just 
before terminating the program ( before SCIPfree( ) ) as it is done in 
the queens example. I have the following errors in debug mode:

[src/scip/scip.c:390] ERROR: cannot call method <SCIPreleaseRow> in 
problem solved stage

[src/scip/scip.c:22911] ERROR: Error <-8> in function call

[src/scip/cons_linear.c:927] ERROR: Error <-8> in function call

[src/scip/cons_linear.c:9855] ERROR: Error <-8> in function call

Could you please tell me if I set the flags properly? and How can I 
release these constraints?


Best regards,

Hélène

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