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proof format

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-06-06 07:18:33 -07:00
parent ea365de820
commit b629960afb
8 changed files with 144 additions and 62 deletions
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8
src/sat/smt/arith_solver.cpp
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@ -321,7 +321,8 @@ namespace arith {
reset_evidence();
for (auto ev : e)
set_evidence(ev.ci());
auto* jst = euf::th_explain::propagate(*this, m_core, m_eqs, n1, n2); // TODO add equality explanation
auto* ex = explain_implied_eq(n1, n2);
auto* jst = euf::th_explain::propagate(*this, m_core, m_eqs, n1, n2, ex);
ctx.propagate(n1, n2, jst->to_index());
return true;
}
@ -756,7 +757,8 @@ namespace arith {
set_evidence(ci4);
enode* x = var2enode(v1);
enode* y = var2enode(v2);
auto* jst = euf::th_explain::propagate(*this, m_core, m_eqs, x, y); // TODO add equality explanation
auto* ex = explain_implied_eq(x, y);
auto* jst = euf::th_explain::propagate(*this, m_core, m_eqs, x, y, ex);
ctx.propagate(x, y, jst->to_index());
}
@ -1176,7 +1178,7 @@ namespace arith {
app_ref b = mk_bound(m_lia->get_term(), m_lia->get_offset(), !m_lia->is_upper());
IF_VERBOSE(4, verbose_stream() << "cut " << b << "\n");
literal lit = expr2literal(b);
assign(lit, m_core, m_eqs, explain(sat::hint_type::cut_h, lit));
assign(lit, m_core, m_eqs, explain(sat::hint_type::bound_h, lit));
lia_check = l_false;
break;
}