From f4e17ecc653a11ccd4efe3117f030c05949414b7 Mon Sep 17 00:00:00 2001
From: Nikolaj Bjorner <nbjorner@microsoft.com>
Date: Wed, 9 Nov 2022 19:50:22 -0800
Subject: [PATCH] add logging and diagnostics
---
src/sat/sat_solver.cpp | 4 +++-
src/solver/assertions/asserted_formulas.cpp | 2 ++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/sat/sat_solver.cpp b/src/sat/sat_solver.cpp
index 14e7e9775..0e5d7aa73 100644
--- a/src/sat/sat_solver.cpp
+++ b/src/sat/sat_solver.cpp
@@ -282,6 +282,7 @@ namespace sat {
m_model_is_current = false;
m_stats.m_mk_var++;
bool_var v = m_justification.size();
+
if (!m_free_vars.empty()) {
v = m_free_vars.back();
m_free_vars.pop_back();
@@ -301,7 +302,7 @@ namespace sat {
m_external.push_back(ext);
m_var_scope.push_back(scope_lvl());
m_touched.push_back(0);
- m_activity.push_back(0);
+ m_activity.push_back(0);
m_mark.push_back(false);
m_lit_mark.push_back(false);
m_lit_mark.push_back(false);
@@ -1262,6 +1263,7 @@ namespace sat {
if (check_inconsistent()) return l_false;
if (m_config.m_force_cleanup) do_cleanup(true);
TRACE("sat", display(tout););
+ TRACE("before_search", display(tout););
if (m_config.m_gc_burst) {
// force gc
diff --git a/src/solver/assertions/asserted_formulas.cpp b/src/solver/assertions/asserted_formulas.cpp
index 2b20ebd80..4e64ee39f 100644
--- a/src/solver/assertions/asserted_formulas.cpp
+++ b/src/solver/assertions/asserted_formulas.cpp
@@ -279,6 +279,8 @@ void asserted_formulas::reduce() {
TRACE("before_reduce", display(tout););
CASSERT("well_sorted", check_well_sorted());
+ IF_VERBOSE(10, verbose_stream() << "(smt.simplify-begin :num-exprs " << get_total_size() << ")\n";);
+
set_eliminate_and(false); // do not eliminate and before nnf.
if (!invoke(m_propagate_values)) return;
if (!invoke(m_find_macros)) return;