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Use subsolvers bounds rather than computing them inside nseq

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This commit is contained in:
CEisenhofer 2026-03-25 18:53:13 +01:00
parent af4677950b
commit 813a06fa38
5 changed files with 169 additions and 169 deletions
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18
src/smt/nseq_context_solver.h
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@ -20,6 +20,7 @@ Author:
#include "smt/seq/seq_nielsen.h"
#include "smt/smt_kernel.h"
#include "smt/smt_arith_value.h"
#include "params/smt_params.h"
namespace smt {
@ -32,6 +33,7 @@ namespace smt {
class context_solver : public seq::simple_solver {
smt_params m_params; // must be declared before m_kernel
smt::kernel m_kernel;
arith_value m_arith_value;
static smt_params make_seq_len_params() {
smt_params p;
@ -42,7 +44,10 @@ namespace smt {
public:
context_solver(ast_manager& m) :
m_params(make_seq_len_params()),
m_kernel(m, m_params) {}
m_kernel(m, m_params),
m_arith_value(m) {
m_arith_value.init(&m_kernel.get_context());
}
lbool check() override {
// std::cout << "Checking:\n";
@ -69,8 +74,19 @@ namespace smt {
m_kernel.get_model(mdl);
}
bool lower_bound(expr* e, rational& lo) const override {
bool is_strict = true;
return m_arith_value.get_lo(e, lo, is_strict) && !is_strict && lo.is_int();
}
bool upper_bound(expr* e, rational& hi) const override {
bool is_strict = true;
return m_arith_value.get_up(e, hi, is_strict) && !is_strict && hi.is_int();
}
void reset() override {
m_kernel.reset();
m_arith_value.init(&m_kernel.get_context());
}
};