(* Title: HOL/Tools/SMT/verit_isar.ML
Author: Mathias Fleury, TU Muenchen
Author: Jasmin Blanchette, TU Muenchen
VeriT proofs as generic ATP proofs for Isar proof reconstruction.
*)
signature VERIT_ISAR =
sig
type ('a, 'b) atp_step = ('a, 'b) ATP_Proof.atp_step
val atp_proof_of_veriT_proof: Proof.context -> term list -> thm list -> term list -> term ->
(string * term) list -> int list -> int -> (int * string) list -> Verit_Proof.veriT_step list ->
(term, string) ATP_Proof.atp_step list
end;
structure VeriT_Isar: VERIT_ISAR =
struct
open ATP_Util
open ATP_Problem
open ATP_Proof
open ATP_Proof_Reconstruct
open SMTLIB_Interface
open SMTLIB_Isar
open Verit_Proof
fun atp_proof_of_veriT_proof ctxt ll_defs rewrite_rules hyp_ts concl_t fact_helper_ts prem_ids
conjecture_id fact_helper_ids =
let
fun steps_of (Verit_Proof.VeriT_Step {id, rule, prems, concl, ...}) =
let
val concl' = postprocess_step_conclusion ctxt rewrite_rules ll_defs concl
fun standard_step role = ((id, []), role, concl', rule, map (rpair []) prems)
in
if rule = input_rule then
let
val id_num = the (Int.fromString (unprefix assert_prefix id))
val ss = the_list (AList.lookup (op =) fact_helper_ids id_num)
in
(case distinguish_conjecture_and_hypothesis ss id_num conjecture_id prem_ids
fact_helper_ts hyp_ts concl_t of
NONE => []
| SOME (role0, concl00) =>
let
val name0 = (id ^ "a", ss)
val concl0 = unskolemize_names ctxt concl00
in
[(name0, role0, concl0, rule, []),
((id, []), Plain, concl', rewrite_rule,
name0 :: normalizing_prems ctxt concl0)]
end)
end
else
[standard_step (if null prems then Lemma else Plain)]
end
in
maps steps_of
end
end;
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