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remove nnf conversion which breaks NRA property

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-03-20 16:34:04 -07:00
parent 1a5449c3d4
commit 680c28d083
2 changed files with 12 additions and 17 deletions
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2
src/nlsat/nlsat_solver.cpp
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@ -460,7 +460,7 @@ namespace nlsat {
void del(bool_var b) { void del(bool_var b) {
SASSERT(m_bwatches[b].empty()); SASSERT(m_bwatches[b].empty());
SASSERT(m_bvalues[b] == l_undef); //SASSERT(m_bvalues[b] == l_undef);
m_num_bool_vars--; m_num_bool_vars--;
m_dead[b] = true; m_dead[b] = true;
m_atoms[b] = 0; m_atoms[b] = 0;

9
src/tactic/smtlogics/nra_tactic.cpp
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@ -35,21 +35,16 @@ tactic * mk_nra_tactic(ast_manager & m, params_ref const& p) {
p2.set_uint("seed", 13); p2.set_uint("seed", 13);
p2.set_bool("factor", false); p2.set_bool("factor", false);
return and_then(mk_simplify_tactic(m, p), return and_then(
mk_nnf_tactic(m, p), mk_simplify_tactic(m, p),
mk_propagate_values_tactic(m, p), mk_propagate_values_tactic(m, p),
mk_qe_lite_tactic(m), mk_qe_lite_tactic(m),
//mk_qe_tactic(m, p),
cond(mk_is_qfnra_probe(), cond(mk_is_qfnra_probe(),
or_else(try_for(mk_qfnra_nlsat_tactic(m, p), 5000), or_else(try_for(mk_qfnra_nlsat_tactic(m, p), 5000),
try_for(mk_qfnra_nlsat_tactic(m, p1), 10000), try_for(mk_qfnra_nlsat_tactic(m, p1), 10000),
mk_qfnra_nlsat_tactic(m, p2)), mk_qfnra_nlsat_tactic(m, p2)),
#if 1
or_else(mk_nlqsat_tactic(m, p), or_else(mk_nlqsat_tactic(m, p),
mk_smt_tactic(p)) mk_smt_tactic(p))
#else
mk_smt_tactic(p)
#endif
)); ));
} }