mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-23 09:05:31 +00:00
Code Activity

improve equality solving in qe-lite

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-02-12 10:54:00 -08:00
parent 552b386a29
commit a594597906
4 changed files with 97 additions and 58 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/smt/theory_pb.cpp
View file

@ -594,6 +594,8 @@ namespace smt {
m_simplex.set_upper(v, zero);
}
ctx.push_trail(undo_bound(*this, v, is_true));
lbool is_sat = m_simplex.make_feasible();
std::cout << is_sat << "\n";
}
for (unsigned i = 0; i < ineqs->size(); ++i) {
@ -628,8 +630,15 @@ namespace smt {
}
ctx.push_trail(reset_bound(*this, slack, is_true));
// m_simplex.feasible();
//
lbool is_sat = m_simplex.make_feasible();
if (l_false == is_sat) {
row r = m_simplex.get_infeasible_row();
row_iterator it = m_simplex.row_begin(r), end = m_simplex.row_end(r);
for (; it != end; ++it) {
it->m_var;
it->m_coeff;
}
}
}
if (c->is_ge()) {
assign_ineq(*c, is_true);

1
src/smt/theory_pb.h
View file

@ -43,6 +43,7 @@ namespace smt {
typedef vector<std::pair<literal, numeral> > arg_t;
typedef simplex::simplex<simplex::mpz_ext> simplex;
typedef simplex::row row;
typedef simplex::row_iterator row_iterator;
struct stats {
unsigned m_num_conflicts;