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#4532 - arithmetic using SAT for interpreted atoms such as (< 0 0)

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-07-07 23:06:12 -07:00
parent e1a0a2e536
commit ec3066c28a
3 changed files with 16 additions and 6 deletions
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6
src/sat/tactic/sat_tactic.cpp
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@ -50,7 +50,7 @@ class sat_tactic : public tactic {
obj_map<expr, sat::literal> dep2asm;
sat::literal_vector assumptions;
m_goal2sat(*g, m_params, *m_solver, map, dep2asm);
TRACE("sat_solver_unknown", tout << "interpreted_atoms: " << map.interpreted_atoms() << "\n";
TRACE("sat", tout << "interpreted_atoms: " << map.interpreted_atoms() << "\n";
for (auto const& kv : map) {
if (!is_uninterp_const(kv.m_key))
tout << mk_ismt2_pp(kv.m_key, m) << "\n";
@ -112,8 +112,8 @@ class sat_tactic : public tactic {
ref<sat2goal::mc> mc;
m_sat2goal(*m_solver, map, m_params, *(g.get()), mc);
g->add(mc.get());
if (produce_core) {
// sat2goal does not preseve assumptions
if (produce_core || m_goal2sat.has_interpreted_atoms()) {
// sat2goal does not preseve assumptions or assignments to interpreted atoms
g->updt_prec(goal::OVER);
}
}