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optimizations to bv-solver and euf-egraph (#4698)

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* additional bit-vector propagators

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

* rename restrict (not a keyword, but well) #4694, tune euf

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

* merge

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

* add pb rewriting to pb2bv #4697

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2020-09-20 06:47:27 -07:00 • committed by GitHub
parent ed44a44579
commit 6f63f8761c
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GPG key ID: 4AEE18F83AFDEB23
24 changed files with 206 additions and 116 deletions
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2
src/smt/smt_context.cpp
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@ -485,6 +485,7 @@ namespace smt {
TRACE("add_eq", tout << "redundant constraint.\n";);
return;
}
IF_VERBOSE(20, verbose_stream() << "merge " << mk_bounded_pp(n1->get_owner(), m) << " " << mk_bounded_pp(n2->get_owner(), m) << "\n");
if (r1->is_interpreted() && r2->is_interpreted()) {
TRACE("add_eq", tout << "interpreted roots conflict.\n";);
@ -1408,6 +1409,7 @@ namespace smt {
TRACE("propagate_bool_var_enode_bug", tout << "var: " << v << " #" << bool_var2expr(v)->get_id() << "\n";);
SASSERT(v < static_cast<int>(m_b_internalized_stack.size()));
enode * n = bool_var2enode(v);
CTRACE("mk_bool_var", !n, tout << "No enode for " << v << "\n";);
bool sign = val == l_false;
if (n->merge_tf())