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solver::check_sat_cc : check_sat assuming cube and clause

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Extends check_sat with an ability to assume a single clause in
addition to assuming a cube of assumptions
This commit is contained in:
Arie Gurfinkel 2018-05-29 13:16:30 -07:00
parent 4477f7d326
commit 26339119e4
6 changed files with 50 additions and 70 deletions
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21
src/solver/solver.cpp
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@ -202,27 +202,6 @@ void solver::assert_expr(expr* f, expr* t) {
assert_expr_core2(fml, a);
}
lbool solver::check_sat(expr_ref_vector const& cube, expr_ref_vector const& clause, model_ref* mdl, expr_ref_vector* core, proof_ref* pr) {
ast_manager& m = clause.get_manager();
scoped_push _push(*this);
expr_ref disj = mk_or(clause);
assert_expr(disj);
lbool r = check_sat(cube);
switch (r) {
case l_false:
if (core) get_unsat_core(*core);
if (pr) *pr = get_proof();
break;
case l_true:
if (mdl) get_model(*mdl);
break;
default:
break;
}
return r;
}
void solver::collect_param_descrs(param_descrs & r) {
r.insert("solver.enforce_model_conversion", CPK_BOOL, "(default: false) enforce model conversion when asserting formulas");
}