mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-08 10:25:18 +00:00
Code Activity

remove qe-lite pass in quant_tatics

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-03-21 16:57:30 -07:00
parent 701f32471e
commit 5e737641b7
3 changed files with 47 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

49
src/qe/qe_lite.cpp
View file

@ -491,6 +491,10 @@ namespace eq {
m_new_args.push_back(args[i]);
}
}
if (m_new_args.size() == num_args) {
r = q;
return;
}
expr_ref t(m);
if (q->is_forall()) {
@ -771,7 +775,7 @@ namespace eq {
proof_ref curr_pr(m);
q = to_quantifier(r);
reduce_quantifier1(q, r, curr_pr);
if (m.proofs_enabled()) {
if (m.proofs_enabled() && r != q) {
pr = m.mk_transitivity(pr, curr_pr);
}
} while (q != r && is_quantifier(r));
@ -2297,7 +2301,7 @@ public:
}
m_imp(indices, true, result);
if (is_forall(q)) {
result = m.mk_not(result);
result = push_not(result);
}
result = m.update_quantifier(
q,
@ -2476,6 +2480,41 @@ class qe_lite_tactic : public tactic {
cooperate("qe-lite");
}
void debug_diff(expr* a, expr* b) {
ptr_vector<expr> as, bs;
as.push_back(a);
bs.push_back(b);
expr* a1, *a2, *b1, *b2;
while (!as.empty()) {
a = as.back();
b = bs.back();
as.pop_back();
bs.pop_back();
if (a == b) {
continue;
}
else if (is_forall(a) && is_forall(b)) {
as.push_back(to_quantifier(a)->get_expr());
bs.push_back(to_quantifier(b)->get_expr());
}
else if (m.is_and(a, a1, a2) && m.is_and(b, b1, b2)) {
as.push_back(a1);
as.push_back(a2);
bs.push_back(b1);
bs.push_back(b2);
}
else if (m.is_eq(a, a1, a2) && m.is_eq(b, b1, b2)) {
as.push_back(a1);
as.push_back(a2);
bs.push_back(b1);
bs.push_back(b2);
}
else {
TRACE("qe", tout << mk_pp(a, m) << " != " << mk_pp(b, m) << "\n";);
}
}
}
void operator()(goal_ref const & g,
goal_ref_buffer & result,
model_converter_ref & mc,
@ -2507,7 +2546,11 @@ class qe_lite_tactic : public tactic {
new_pr = g->pr(i);
}
}
g->update(i, new_f, new_pr, g->dep(i));
if (f != new_f) {
TRACE("qe", tout << mk_pp(f, m) << "\n" << new_f << "\n";);
debug_diff(f, new_f);
g->update(i, new_f, new_pr, g->dep(i));
}
}
g->inc_depth();
result.push_back(g.get());

1
src/smt/proto_model/proto_model.cpp
View file

@ -105,6 +105,7 @@ bool proto_model::eval(expr * e, expr_ref & result, bool model_completion) {
m_eval.set_model_completion(model_completion);
try {
m_eval(e, result);
std::cout << result << "\n";
return true;
}
catch (model_evaluator_exception & ex) {

3
src/tactic/smtlogics/quant_tactics.cpp
View file

@ -22,8 +22,6 @@ Revision History:
#include"solve_eqs_tactic.h"
#include"elim_uncnstr_tactic.h"
#include"qe_tactic.h"
#include"qe_sat_tactic.h"
#include"qe_lite.h"
#include"qsat.h"
#include"nlqsat.h"
#include"ctx_simplify_tactic.h"
@ -54,7 +52,6 @@ static tactic * mk_quant_preprocessor(ast_manager & m, bool disable_gaussian = f
using_params(mk_simplify_tactic(m), pull_ite_p),
solve_eqs,
mk_elim_uncnstr_tactic(m),
mk_qe_lite_tactic(m),
mk_simplify_tactic(m));
}