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fix bug in bcd2

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-04-22 15:41:11 +02:00
parent d118f07e37
commit 3003049df8
1 changed files with 17 additions and 1 deletions
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18
src/opt/weighted_maxsat.cpp
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@ -121,6 +121,7 @@ namespace opt {
fid != pb.get_family_id() &&
fid != bv.get_family_id() &&
!is_uninterp_const(n)) {
std::cout << mk_pp(n, m) << "\n";
throw found();
}
}
@ -161,6 +162,7 @@ namespace opt {
void enable_sls() {
if (m_enable_sls && probe_bv()) {
std::cout << "SLS enabled\n";
m_params.set_uint("restarts", 20);
m_s = alloc(sls_solver, m, m_s.get(), m_soft, m_weights, m_params);
}
@ -188,6 +190,7 @@ namespace opt {
obj_map<expr, unsigned> m_relax2index; // expr |-> index
obj_map<expr, unsigned> m_soft2index; // expr |-> index
expr_ref_vector m_trail;
expr_ref_vector m_soft_constraints;
expr_set m_asm_set;
vector<wcore> m_cores;
vector<rational> m_sigmas;
@ -242,7 +245,9 @@ namespace opt {
pb(m),
m_soft_aux(m),
m_trail(m),
m_soft_constraints(m),
m_enable_lazy(false) {
m_enable_lazy = true;
}
virtual ~bcd2() {}
@ -259,6 +264,7 @@ namespace opt {
init_bcd();
while (m_lower < m_upper) {
IF_VERBOSE(1, verbose_stream() << "(wmaxsat.bcd2 [" << m_lower << ":" << m_upper << "])\n";);
assert_soft();
solver::scoped_push _scope2(s());
TRACE("opt", display(tout););
assert_cores();
@ -331,11 +337,18 @@ namespace opt {
expr* r = m_soft_aux[i].get();
m_soft2index.insert(r, i);
fml = m.mk_or(r, m_soft[i].get());
s().assert_expr(fml);
m_soft_constraints.push_back(fml);
m_asm_set.insert(r);
SASSERT(m_weights[i].is_int());
}
void assert_soft() {
for (unsigned i = 0; i < m_soft_constraints.size(); ++i) {
s().assert_expr(m_soft_constraints[i].get());
}
m_soft_constraints.reset();
}
bool check_lazy_soft(svector<bool> const& assignment) {
bool all_satisfied = true;
for (unsigned i = 0; i < m_lazy_soft.size(); ++i) {
@ -467,6 +480,9 @@ namespace opt {
}
}
cores.resize(j);
for (unsigned i = 0; i < cores.size(); ++i) {
m_relax2index.insert(cores[i].m_r, i);
}
}
void core2indices(ptr_vector<expr> const& core, uint_set& subC, uint_set& soft) {
for (unsigned i = 0; i < core.size(); ++i) {