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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/smt/smt_solver.cpp
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@ -190,26 +190,9 @@ namespace smt {
return m_context.check(num_assumptions, assumptions);
}
using solver_na2as::check_sat;
lbool check_sat(expr_ref_vector const& cube, expr_ref_vector const& clause, model_ref* mdl, expr_ref_vector* core, proof_ref* pr) override {
lbool r = m_context.check(cube, clause);
switch (r) {
case l_false:
if (pr) *pr = get_proof();
if (core) {
ptr_vector<expr> _core;
get_unsat_core(_core);
core->append(_core.size(), _core.c_ptr());
}
break;
case l_true:
if (mdl) get_model(*mdl);
break;
default:
break;
}
return r;
lbool check_sat_cc_core(expr_ref_vector const& cube, expr_ref_vector const& clause) override {
return m_context.check(cube, clause);
}
struct scoped_minimize_core {