Merge remote-tracking branch 'origin/v91-bugfix' into v9-minor

Author: scip-ci

CHANGELOG

@@ -52,6 +52,7 @@ Fixed bugs
 - fix bug in separator aggregation that caused incorrect terminations when for an integral objective the objective limit was set to a fractional value
 - fix bug in memory management of doublelex matrices where indices were set beyond array bounds
 - store relevance flags in consdataTightenCoefs() of cons_linear.c to avoid dropping variables unintentionally due to numerical changes
+- fix possible segmentation fault when resetting original variable bounds after abnormal termination
 
 Performance improvements
 ------------------------

src/scip/var.c

@@ -6930,7 +6930,7 @@ SCIP_RETCODE varProcessChgLbGlobal(
 
    /* issue bound change event */
    assert(SCIPvarIsTransformed(var) == (var->eventfilter != NULL));
-   if( var->eventfilter != NULL )
+   if( SCIPsetGetStage(set) != SCIP_STAGE_PROBLEM && var->eventfilter != NULL )
    {
       SCIP_CALL( varEventGlbChanged(var, blkmem, set, lp, branchcand, eventqueue, oldbound, newbound) );
    }
@@ -7105,7 +7105,7 @@ SCIP_RETCODE varProcessChgUbGlobal(
 
    /* issue bound change event */
    assert(SCIPvarIsTransformed(var) == (var->eventfilter != NULL));
-   if( var->eventfilter != NULL )
+   if( SCIPsetGetStage(set) != SCIP_STAGE_PROBLEM && var->eventfilter != NULL )
    {
       SCIP_CALL( varEventGubChanged(var, blkmem, set, lp, branchcand, eventqueue, oldbound, newbound) );
    }
@@ -7699,7 +7699,7 @@ SCIP_RETCODE varProcessChgLbLocal(
 
    /* issue bound change event */
    assert(SCIPvarIsTransformed(var) == (var->eventfilter != NULL));
-   if( var->eventfilter != NULL )
+   if( SCIPsetGetStage(set) != SCIP_STAGE_PROBLEM && var->eventfilter != NULL )
    {
       SCIP_CALL( varEventLbChanged(var, blkmem, set, lp, branchcand, eventqueue, oldbound, newbound) );
    }
@@ -7866,7 +7866,7 @@ SCIP_RETCODE varProcessChgUbLocal(
 
    /* issue bound change event */
    assert(SCIPvarIsTransformed(var) == (var->eventfilter != NULL));
-   if( var->eventfilter != NULL )
+   if( SCIPsetGetStage(set) != SCIP_STAGE_PROBLEM && var->eventfilter != NULL )
    {
       SCIP_CALL( varEventUbChanged(var, blkmem, set, lp, branchcand, eventqueue, oldbound, newbound) );
    }