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fixes in new solver

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-12-25 11:19:31 -08:00
parent 21c626e3ee
commit 372e5ca569
12 changed files with 79 additions and 43 deletions
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6
src/sat/smt/arith_solver.cpp
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@ -84,6 +84,7 @@ namespace arith {
}
bool solver::unit_propagate() {
m_model_is_initialized = false;
if (!m_new_eq && m_new_bounds.empty() && m_asserted_qhead == m_asserted.size())
return false;
@ -572,6 +573,10 @@ namespace arith {
value = ~value;
if (!found_bad && value == get_phase(n->bool_var()))
continue;
TRACE("arith",
tout << eval << " " << value << " " << ctx.bpp(n) << "\n";
tout << mdl << "\n";
s().display(tout););
IF_VERBOSE(0,
verbose_stream() << eval << " " << value << " " << ctx.bpp(n) << "\n";
verbose_stream() << n->bool_var() << " " << n->value() << " " << get_phase(n->bool_var()) << " " << ctx.bpp(n) << "\n";
@ -642,6 +647,7 @@ namespace arith {
for (unsigned i = m_bounds_trail.size(); i-- > old_size; ) {
unsigned v = m_bounds_trail[i];
api_bound* b = m_bounds[v].back();
m_bool_var2bound.erase(b->get_lit().var());
// del_use_lists(b);
dealloc(b);
m_bounds[v].pop_back();