Parameter MC_order :  core_data -> core_data -> Prop.Parameter MC_wellfounded: well_founded MC_order.Definition MC_measure (q:CSharpMin_core): nat :=
  match q with
  | CSharpMin_State fn s k e lenv => seq_left_depth s
  | _ => O
  end.

Lemma MS_step_case_Ite: forall cenv sz f tfn j m tm e lenv te sp lo hi cs k tk xenv x x0 x1 x2 b v a s1 s2 (H : Csharpminor.eval_expr ge e lenv m a v) (BoolOfVal : Val.bool_of_val v b) (TRF : transl_funbody cenv sz f = OK tfn) (MINJ : Mem.inject j m tm) (MCS : match_callstack prog j m tm (Frame cenv tfn e lenv te sp lo hi :: cs) (Mem.nextblock m) (Mem.nextblock tm)) (MK : match_cont k tk cenv xenv cs) (EQ : transl_expr cenv a = OK (x, x0)) (EQ1 : transl_stmt cenv xenv s1 = OK x1) (EQ0 : transl_stmt cenv xenv s2 = OK x2) (*NEW:*) (PG: meminj_preserves_globals ge j), exists c2' : CMin_core, exists m2' : mem, corestep_plus CMin_core_sem tge (CMin_State tfn (Sifthenelse x x1 x2) tk (Vptr sp Int.zero) te) tm c2' m2' /\ match_cores (CSharpMin_State f (if b then s1 else s2) k e lenv) j (CSharpMin_State f (if b then s1 else s2) k e lenv) m c2' m2'.