mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-24 09:35:32 +00:00
Code Activity

check with cube and clause

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-05-27 16:54:15 -07:00 • committed by Arie Gurfinkel
parent af57db0413
commit b73aa3642a
10 changed files with 202 additions and 108 deletions
Download patch file Download diff file Expand all files Collapse all files

21
src/solver/solver.cpp
View file

@ -202,6 +202,27 @@ 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");
}

7
src/solver/solver.h
View file

@ -146,6 +146,13 @@ public:
lbool check_sat(app_ref_vector const& asms) { return check_sat(asms.size(), (expr* const*)asms.c_ptr()); }
/**
\brief Check satisfiability modulo a cube and a clause.
The cube corresponds to auxiliary assumptions. The clause as an auxiliary disjunction that is also
assumed for the check.
*/
virtual lbool check_sat(expr_ref_vector const& cube, expr_ref_vector const& clause, model_ref* mdl = nullptr, expr_ref_vector* core = nullptr, proof_ref* pr = nullptr);
/**
\brief Set a progress callback procedure that is invoked by this solver during check_sat.