fact: Definition suffixS : forall (stmts:list STATEMENT.t) (pc:PC), {l:list STATEMENT.t &{s | Suffix l stmts /\ head l = Some s /\ STATEMENT.pc s = pc}}+{AllS (neq_PC_Stmt pc) stmts}.
imports: JML(JMLProgramPlus) Coq(ZArith) JML(ZHelpers) JML(LogicHelpers) Coq(Bool) Coq(Sumbool) Coq(Ndec) JML(PosAux) JML(EqBoolAux) Coq(Relation_Operators) Coq(List) JML(ListFunctions) JML(ListHelpers) JML(OptionHelpers)