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include nyis

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This commit is contained in:
Nikolaj Bjorner 2023-12-12 18:00:43 -08:00
parent e49bfdb285
commit 9a933e29e3
3 changed files with 16 additions and 5 deletions
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11
src/sat/smt/polysat/core.cpp
View file

@ -69,10 +69,11 @@ namespace polysat {
void undo() override {
auto& [sc, lit, val] = c.m_constraint_index.back();
auto& vars = sc.vars();
IF_VERBOSE(10,
verbose_stream() << "undo add watch " << sc << " ";
if (vars.size() > 0) verbose_stream() << "(" << c.m_constraint_index.size() -1 << ": " << c.m_watch[vars[0]] << ") ";
if (vars.size() > 1) verbose_stream() << "(" << c.m_constraint_index.size() -1 << ": " << c.m_watch[vars[1]] << ") ";
verbose_stream() << "\n";
verbose_stream() << "\n");
SASSERT(vars.size() <= 0 || c.m_watch[vars[0]].back() == c.m_constraint_index.size() - 1);
SASSERT(vars.size() <= 1 || c.m_watch[vars[1]].back() == c.m_constraint_index.size() - 1);
if (vars.size() > 0)
@ -141,10 +142,10 @@ namespace polysat {
add_watch(idx, vars[0]);
if (vars.size() > 1)
add_watch(idx, vars[1]);
verbose_stream() << "add watch " << sc << " " << vars << " ";
if (vars.size() > 0) verbose_stream() << "( " << idx << " : " << m_watch[vars[0]] << ") ";
if (vars.size() > 1) verbose_stream() << "( " << idx << " : " << m_watch[vars[1]] << ") ";
verbose_stream() << "\n";
IF_VERBOSE(10, verbose_stream() << "add watch " << sc << " " << vars << " ";
if (vars.size() > 0) verbose_stream() << "( " << idx << " : " << m_watch[vars[0]] << ") ";
if (vars.size() > 1) verbose_stream() << "( " << idx << " : " << m_watch[vars[1]] << ") ";
verbose_stream() << "\n");
s.trail().push(mk_add_watch(*this));
return idx;
}

9
src/sat/smt/polysat/op_constraint.cpp
View file

@ -42,6 +42,7 @@ namespace polysat {
break;
case code::inv_op:
SASSERT(q.is_zero());
break;
default:
break;
}
@ -192,6 +193,9 @@ namespace polysat {
case code::lshr_op:
propagate_lshr(c, dep);
break;
case code::ashr_op:
propagate_ashr(c, dep);
break;
case code::shl_op:
propagate_shl(c, dep);
break;
@ -202,6 +206,7 @@ namespace polysat {
propagate_inv(c, dep);
break;
default:
verbose_stream() << "not implemented yet: " << *this << "\n";
NOT_IMPLEMENTED_YET();
break;
}
@ -311,6 +316,10 @@ namespace polysat {
}
}
void op_constraint::propagate_ashr(core& s, dependency const& dep) {
}
/**
* Enforce axioms for constraint: r == p << q

1
src/sat/smt/polysat/op_constraint.h
View file

@ -57,6 +57,7 @@ namespace polysat {
static lbool eval_inv(pdd const& p, pdd const& r);
void propagate_lshr(core& s, dependency const& dep);
void propagate_ashr(core& s, dependency const& dep);
void propagate_shl(core& s, dependency const& dep);
void propagate_and(core& s, dependency const& dep);
void propagate_inv(core& s, dependency const& dep);