h

- avoid more platform specific behavior when using m_mk_extract,
- rename mk_eq in bool_rewriter to mk_eq_plain to distinguish it from mk_eq_rw
- rework bv_lookahead to be more closely based on sls_engine, which has much better heuristic behavior than attempt 1.

src/ast/sls/sls_context.cpp

@@ -327,7 +327,7 @@ namespace sls {
         m_constraint_trail.push_back(e);
         add_clause(e);     
         m_new_constraint = true;
-        verbose_stream() << "add constraint\n";
+        IF_VERBOSE(3, verbose_stream() << "add constraint " << mk_bounded_pp(e, m) << "\n");
         ++m_stats.m_num_constraints;
     }