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Revert "fix: catch E_unsat in assume, if one adds an empty clause"

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This reverts commit 5d7e34584bdbfd8326fbbf7f3314d93ac79597ce.
This commit is contained in:
Simon Cruanes 2019-02-11 08:44:15 -06:00 • committed by Guillaume Bury
parent 7673bddf82
commit 4127db2153
1 changed files with 7 additions and 13 deletions
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20
src/core/Internal.ml
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@ -1988,19 +1988,13 @@ module Make(Plugin : PLUGIN)
with E_sat -> ()
let assume st cnf lemma =
try
List.iter
(fun l ->
let atoms = List.rev_map (mk_atom st) l in
let c = Clause.make_permanent atoms (Hyp lemma) in
Log.debugf debug (fun k -> k "(@[sat.assume-clause@ @[<hov 2>%a@]@])" Clause.debug c);
Vec.push st.clauses_to_add c)
cnf
with
| E_unsat (US_false c) ->
st.unsat_at_0 <- Some c
| E_unsat (US_local _) ->
assert false (* assumptions should only be present in [solve] *)
List.iter
(fun l ->
let atoms = List.rev_map (mk_atom st) l in
let c = Clause.make_permanent atoms (Hyp lemma) in
Log.debugf debug (fun k -> k "(@[sat.assume-clause@ @[<hov 2>%a@]@])" Clause.debug c);
Vec.push st.clauses_to_add c)
cnf
(* Check satisfiability *)
let check_clause c =