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modify backoff mechanisms and theory exchange

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This commit is contained in:
Nikolaj Bjorner 2025-01-22 20:32:30 -08:00
parent 3a3e176dce
commit ec3915218d
8 changed files with 60 additions and 12 deletions
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15
src/ast/sls/sls_smt_plugin.cpp
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@ -101,7 +101,7 @@ namespace sls {
if (!m_ddfw)
return;
m_result = m_ddfw->check(0, nullptr);
IF_VERBOSE(2, verbose_stream() << "sls-result " << m_result << "\n");
IF_VERBOSE(3, verbose_stream() << "sls-result " << m_result << "\n");
for (auto v : m_shared_bool_vars) {
auto w = m_smt_bool_var2sls_bool_var[v];
m_rewards[v] = m_ddfw->get_reward_avg(w);
@ -110,7 +110,7 @@ namespace sls {
}
void smt_plugin::bounded_run(unsigned max_iterations) {
verbose_stream() << "bounded run " << max_iterations << "\n";
IF_VERBOSE(3, verbose_stream() << "(sls-bounded :" << max_iterations << ")\n");
m_ddfw->rlimit().reset_count();
m_ddfw->rlimit().push(max_iterations);
{
@ -229,6 +229,7 @@ namespace sls {
}
void smt_plugin::export_phase_to_sls() {
#if 0
IF_VERBOSE(2, verbose_stream() << "SMT -> SLS phase\n");
for (auto v : m_shared_bool_vars) {
auto w = m_smt_bool_var2sls_bool_var[v];
@ -236,9 +237,11 @@ namespace sls {
flip(w);
m_ddfw->bias(w) = m_sat_phase[v] ? 1 : -1;
}
#endif
}
void smt_plugin::smt_phase_to_sls() {
#if 0
IF_VERBOSE(2, verbose_stream() << "SMT -> SLS phase\n");
for (auto v : m_shared_bool_vars) {
auto w = m_smt_bool_var2sls_bool_var[v];
@ -247,9 +250,17 @@ namespace sls {
flip(w);
m_ddfw->bias(w) = phase ? 1 : -1;
}
#endif
}
void smt_plugin::smt_values_to_sls() {
if (m_value_smt2sls_delay < m_value_smt2sls_delay_threshold) {
m_value_smt2sls_delay++;
return;
}
verbose_stream() << m_value_smt2sls_delay << " " << m_value_smt2sls_delay_threshold << "\n";
m_value_smt2sls_delay_threshold += m_value_smt2sls_delay_threshold/3;
m_value_smt2sls_delay = 0;
IF_VERBOSE(2, verbose_stream() << "SMT -> SLS values\n");
for (auto const& [t, t_sync] : m_smt2sync_uninterp) {
expr_ref val_t(m);