author | blanchet |
Thu, 28 Aug 2014 00:40:38 +0200 | |
changeset 58061 | 3d060f43accb |
parent 57230 | src/HOL/Tools/SMT2/z3_new_replay_rules.ML@ec5ff6bb2a92 |
child 74561 | 8e6c973003c8 |
permissions | -rw-r--r-- |
58061 | 1 |
(* Title: HOL/Tools/SMT/z3_replay_rules.ML |
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Author: Sascha Boehme, TU Muenchen |
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Custom rules for Z3 proof replay. |
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*) |
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signature Z3_REPLAY_RULES = |
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sig |
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val apply: Proof.context -> cterm -> thm option |
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end; |
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structure Z3_Replay_Rules: Z3_REPLAY_RULES = |
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struct |
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structure Data = Generic_Data |
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( |
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type T = thm Net.net |
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val empty = Net.empty |
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val extend = I |
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val merge = Net.merge Thm.eq_thm |
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) |
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fun maybe_instantiate ct thm = |
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try Thm.first_order_match (Thm.cprop_of thm, ct) |
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|> Option.map (fn inst => Thm.instantiate inst thm) |
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fun apply ctxt ct = |
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let |
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val net = Data.get (Context.Proof ctxt) |
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val xthms = Net.match_term net (Thm.term_of ct) |
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fun select ct = map_filter (maybe_instantiate ct) xthms |
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fun select' ct = |
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let val thm = Thm.trivial ct |
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in map_filter (try (fn rule => rule COMP thm)) xthms end |
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in try hd (case select ct of [] => select' ct | xthms' => xthms') end |
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val prep = `Thm.prop_of |
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fun ins thm net = Net.insert_term Thm.eq_thm (prep thm) net handle Net.INSERT => net |
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fun del thm net = Net.delete_term Thm.eq_thm (prep thm) net handle Net.DELETE => net |
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val add = Thm.declaration_attribute (Data.map o ins) |
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val del = Thm.declaration_attribute (Data.map o del) |
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val name = Binding.name "z3_rule" |
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val description = "declaration of Z3 proof rules" |
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val _ = Theory.setup (Attrib.setup name (Attrib.add_del add del) description #> |
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Global_Theory.add_thms_dynamic (name, Net.content o Data.get)) |
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end; |