[SCIP] ERROR: cannot change bounds of multi-aggregated variable

[Zahra Eskandari]

Hi everyone,
I have a MILP problem which i try to solve with SCIP. when it solved by "count", it generate all feasible solution without any error. But when I use "Optimize" to solve it, it generate these errors:
[/nfs/OPTI/jenkins/workspace/SCIPOptSuite_linux_release/scipoptsuite-6.0.0/scip/src/scip/tree.c:1824] ERROR: cannot change bounds of multi-aggregated variable <agg_t_t_z(64)>
[/nfs/OPTI/jenkins/workspace/SCIPOptSuite_linux_release/scipoptsuite-6.0.0/scip/src/scip/tree.c:2041] ERROR: Error <-9> in function call
[/nfs/OPTI/jenkins/workspace/SCIPOptSuite_linux_release/scipoptsuite-6.0.0/scip/src/scip/scip_var.c:5597] ERROR: Error <-9> in function call
[/nfs/OPTI/jenkins/workspace/SCIPOptSuite_linux_release/scipoptsuite-6.0.0/scip/src/scip/cons_xor.c:3251] ERROR: Error <-9> in function call
[/nfs/OPTI/jenkins/workspace/SCIPOptSuite_linux_release/scipoptsuite-6.0.0/scip/src/scip/cons_xor.c:5037] ERROR: Error <-9> in function call
[/nfs/OPTI/jenkins/workspace/SCIPOptSuite_linux_release/scipoptsuite-6.0.0/scip/src/scip/cons.c:4083] ERROR: Error <-9> in function call
[/nfs/OPTI/jenkins/workspace/SCIPOptSuite_linux_release/scipoptsuite-6.0.0/scip/src/scip/scip_solve.c:1050] ERROR: Error <-9> in function call
[/nfs/OPTI/jenkins/workspace/SCIPOptSuite_linux_release/scipoptsuite-6.0.0/scip/src/scip/scip_solve.c:1420] ERROR: Error <-9> in function call
[/nfs/OPTI/jenkins/workspace/SCIPOptSuite_linux_release/scipoptsuite-6.0.0/scip/src/scip/scip_solve.c:2448] ERROR: Error <-9> in function call
[/nfs/OPTI/jenkins/workspace/SCIPOptSuite_linux_release/scipoptsuite-6.0.0/scip/src/scip/scip_solve.c:2660] ERROR: Error <-9> in function call
[/nfs/OPTI/jenkins/workspace/SCIPOptSuite_linux_release/scipoptsuite-6.0.0/scip/src/scip/heur_rins.c:391] ERROR: Error <-9> in function call
WARNING: Transformed variable <agg_t_t_z(50)> not released when freeing SCIP. Consider releasing variable first.
Segmentation fault (core dumped)




it is notable that I use PySCIPOpt.
if someone has some opinions, please, let me know.
Zahra

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