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adding created to sat/smt

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-01-20 11:48:27 +01:00
parent c00591daaf
commit a3d4e9a4e8
4 changed files with 63 additions and 2 deletions
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46
src/sat/smt/user_solver.cpp
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@ -186,5 +186,51 @@ namespace user_solver {
return result;
}
sat::literal solver::internalize(expr* e, bool sign, bool root, bool redundant) {
if (!visit_rec(m, e, sign, root, redundant)) {
TRACE("array", tout << mk_pp(e, m) << "\n";);
return sat::null_literal;
}
sat::literal lit = ctx.expr2literal(e);
if (sign)
lit.neg();
if (root)
add_unit(lit);
return lit;
}
void solver::internalize(expr* e, bool redundant) {
visit_rec(m, e, false, false, redundant);
}
bool solver::visit(expr* e) {
if (visited(e))
return true;
if (!is_app(e) || to_app(e)->get_family_id() != get_id()) {
ctx.internalize(e, m_is_redundant);
return true;
}
m_stack.push_back(sat::eframe(e));
return false;
}
bool solver::visited(expr* e) {
euf::enode* n = expr2enode(e);
return n && n->is_attached_to(get_id());
}
bool solver::post_visit(expr* e, bool sign, bool root) {
euf::enode* n = expr2enode(e);
SASSERT(!n || !n->is_attached_to(get_id()));
if (!n)
n = mk_enode(e, false);
auto v = add_expr(e);
if (m_created_eh)
m_created_eh(m_user_context, this, e, v);
return true;
}
}