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fix #4195

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This commit is contained in:
Nikolaj Bjorner 2020-05-03 10:55:38 -07:00
parent 91a190a785
commit fcab7e4f9c
1 changed files with 4 additions and 3 deletions
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5
src/smt/theory_utvpi_def.h
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@ -853,6 +853,7 @@ namespace smt {
CTRACE("utvpi", !ok, CTRACE("utvpi", !ok,
tout << "validation failed:\n"; tout << "validation failed:\n";
tout << "Assignment: " << assign << "\n"; tout << "Assignment: " << assign << "\n";
tout << mk_pp(e, get_manager()) << "\n";
a.display(*this, tout); a.display(*this, tout);
tout << "\n"; tout << "\n";
display(tout); display(tout);
@ -945,7 +946,7 @@ namespace smt {
template<typename Ext> template<typename Ext>
void theory_utvpi<Ext>::compute_delta() { void theory_utvpi<Ext>::compute_delta() {
m_delta = rational(1); m_delta = rational(1,4);
unsigned sz = m_graph.get_num_edges(); unsigned sz = m_graph.get_num_edges();
for (unsigned i = 0; i < sz; ++i) { for (unsigned i = 0; i < sz; ++i) {
@ -969,7 +970,7 @@ namespace smt {
if (eps_r.is_pos()) { if (eps_r.is_pos()) {
rational num_r = -b.get_rational(); rational num_r = -b.get_rational();
SASSERT(num_r.is_pos()); SASSERT(num_r.is_pos());
rational new_delta = num_r/2*eps_r; rational new_delta = num_r/4*eps_r;
if (new_delta < m_delta) { if (new_delta < m_delta) {
m_delta = new_delta; m_delta = new_delta;
} }