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create a conflict explanation

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2024-08-22 08:40:41 -10:00 • committed by Lev Nachmanson
parent 52653e6e43
commit 59e2dab69a
5 changed files with 22 additions and 18 deletions
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13
src/math/lp/dioph_eq.cpp
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@ -211,7 +211,7 @@ namespace lp {
init();
while(m_f.size()) {
if (!normalize_by_gcd())
return lia_move::unsat;
return lia_move::conflict;
rewrite_eqs();
}
return lia_move::sat;
@ -298,11 +298,12 @@ namespace lp {
remove_fresh_variables(m_eprime[p.j()].m_e);
}
u_dependency* dep = nullptr;
for (const auto & p : ep.m_l) {
if (lra.column_is_fixed(p.j())) {
lra.explain_fixed_column(p.j(), ex);
}
}
for (const auto & pl : ep.m_l)
for (const auto & p : m_eprime[pl.j()].m_e)
if (lra.column_is_fixed(p.j()))
lra.explain_fixed_column(p.j(), ex);
TRACE("dioph_eq", lra.print_expl(tout, ex););
}
void remove_fresh_variables(term_o& t) {
// TODO implement