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bv fixes and tuning (#4703)

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* heap size information

* bv tuning

* fix #4701

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* throw on set-has-size #4700

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-09-21 19:54:53 -07:00 • committed by GitHub
parent ba5c9c3883
commit b7ec4489a6
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GPG key ID: 4AEE18F83AFDEB23
21 changed files with 339 additions and 169 deletions
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14
src/sat/smt/euf_internalize.cpp
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@ -31,6 +31,14 @@ namespace euf {
}
sat::literal solver::internalize(expr* e, bool sign, bool root, bool redundant) {
euf::enode* n = m_egraph.find(e);
if (n) {
if (m.is_bool(e)) {
VERIFY(!s().was_eliminated(n->bool_var()));
return literal(n->bool_var(), sign);
}
return sat::null_literal;
}
if (si.is_bool_op(e))
return attach_lit(si.internalize(e, redundant), e);
if (auto* ext = expr2solver(e))
@ -117,9 +125,13 @@ namespace euf {
s().mk_clause(lit, ~lit2, sat::status::th(m_is_redundant, m.get_basic_family_id()));
lit = lit2;
}
m_var2expr.reserve(v + 1, nullptr);
if (m_var2expr[v])
if (m_var2expr[v]) {
SASSERT(m_egraph.find(e));
SASSERT(m_egraph.find(e)->bool_var() == v);
return lit;
}
m_var2expr[v] = e;
m_var_trail.push_back(v);
enode* n = m_egraph.find(e);