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fix #4100

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This commit is contained in:
Nikolaj Bjorner 2020-04-26 13:30:13 -07:00
parent 626d0186c8
commit 16d34b9fcc
1 changed files with 4 additions and 1 deletions
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5
src/sat/tactic/sat_tactic.cpp
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@ -46,7 +46,6 @@ class sat_tactic : public tactic {
bool produce_core = g->unsat_core_enabled(); bool produce_core = g->unsat_core_enabled();
TRACE("before_sat_solver", g->display(tout);); TRACE("before_sat_solver", g->display(tout););
g->elim_redundancies(); g->elim_redundancies();
atom2bool_var map(m); atom2bool_var map(m);
obj_map<expr, sat::literal> dep2asm; obj_map<expr, sat::literal> dep2asm;
sat::literal_vector assumptions; sat::literal_vector assumptions;
@ -113,6 +112,10 @@ class sat_tactic : public tactic {
ref<sat2goal::mc> mc; ref<sat2goal::mc> mc;
m_sat2goal(*m_solver, map, m_params, *(g.get()), mc); m_sat2goal(*m_solver, map, m_params, *(g.get()), mc);
g->add(mc.get()); g->add(mc.get());
if (produce_core) {
// sat2goal does not preseve assumptions
g->updt_prec(goal::OVER);
}
} }
g->inc_depth(); g->inc_depth();
result.push_back(g.get()); result.push_back(g.get());