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enable propagation

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This commit is contained in:
Nikolaj Bjorner 2022-01-08 19:00:44 -08:00
parent 9f9543ef69
commit 90fd3d82fc
7 changed files with 41 additions and 22 deletions
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23
src/sat/smt/q_solver.cpp
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@ -19,6 +19,7 @@ Author:
#include "ast/well_sorted.h"
#include "ast/rewriter/var_subst.h"
#include "ast/normal_forms/pull_quant.h"
#include "ast/rewriter/inj_axiom.h"
#include "sat/smt/q_solver.h"
#include "sat/smt/euf_solver.h"
#include "sat/smt/sat_th.h"
@ -69,9 +70,12 @@ namespace q {
if (ctx.get_config().m_mbqi) {
switch (m_mbqi()) {
case l_true: return sat::check_result::CR_DONE;
case l_false: return sat::check_result::CR_CONTINUE;
case l_undef: break;
case l_true:
return sat::check_result::CR_DONE;
case l_false:
return sat::check_result::CR_CONTINUE;
case l_undef:
break;
}
}
return sat::check_result::CR_GIVEUP;
@ -166,13 +170,18 @@ namespace q {
quantifier* solver::flatten(quantifier* q) {
quantifier* q_flat = nullptr;
if (!has_quantifiers(q->get_expr()))
return q;
if (m_flat.find(q, q_flat))
return q_flat;
expr_ref new_q(m);
proof_ref pr(m);
expr_ref new_q(m);
if (is_forall(q)) {
if (!has_quantifiers(q->get_expr())) {
if (!ctx.get_config().m_refine_inj_axiom)
return q;
if (!simplify_inj_axiom(m, q, new_q))
return q;
}
else if (is_forall(q)) {
pull_quant pull(m);
pull(q, new_q, pr);
SASSERT(is_well_sorted(m, new_q));