Member predicate StackVariableReachabilityExt :: isBarrier

node is a barrier for the reachability analysis using variable v and starting from source.

                            
                                
                                    predicate
                                
                                 
                            
                            
                                isBarrier
                            
                            
                                (
                                
                                    
                                        ControlFlowNode
                                    
                                     
                                    source
                                
                                , 
                                
                                    
                                        ControlFlowNode
                                    
                                     
                                    node
                                
                                , 
                                
                                    
                                        ControlFlowNode
                                    
                                     
                                    next
                                
                                , 
                                
                                    
                                        StackVariable
                                    
                                     
                                    v
                                
                                )