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fix #889

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-11-06 15:25:10 -08:00
parent 861a0745c1
commit 9d3518736b
2 changed files with 7 additions and 10 deletions
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8
src/ast/ast.cpp
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@ -1683,7 +1683,7 @@ ast * ast_manager::register_node_core(ast * n) {
bool contains = m_ast_table.contains(n);
CASSERT("nondet_bug", contains || slow_not_contains(n));
#endif
#if 0
static unsigned counter = 0;
counter++;
@ -1719,12 +1719,6 @@ ast * ast_manager::register_node_core(ast * n) {
n->m_id = is_decl(n) ? m_decl_id_gen.mk() : m_expr_id_gen.mk();
static unsigned count = 0;
if (n->m_id == 404) {
++count;
//if (count == 2) SASSERT(false);
}
TRACE("ast", tout << "Object " << n->m_id << " was created.\n";);
TRACE("mk_var_bug", tout << "mk_ast: " << n->m_id << "\n";);
// increment reference counters

9
src/smt/asserted_formulas.cpp
View file

@ -511,11 +511,14 @@ void asserted_formulas::update_substitution(expr* n, proof* pr) {
}
TRACE("propagate_values", tout << "incompatible " << mk_pp(n, m) << "\n";);
}
if (m.is_not(n, n1)) {
m_scoped_substitution.insert(n1, m.mk_false(), m.proofs_enabled() ? m.mk_iff_false(pr) : nullptr);
proof_ref pr1(m);
if (m.is_not(n, n1)) {
pr1 = m.proofs_enabled() ? m.mk_iff_false(pr) : nullptr;
m_scoped_substitution.insert(n1, m.mk_false(), pr1);
}
else {
m_scoped_substitution.insert(n, m.mk_true(), m.proofs_enabled() ? m.mk_iff_true(pr) : nullptr);
pr1 = m.proofs_enabled() ? m.mk_iff_true(pr) : nullptr;
m_scoped_substitution.insert(n, m.mk_true(), pr1);
}
}