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lia2card simplifications, move up before elim01 (which could be deprecated)

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-02-07 12:56:30 -08:00
parent 43441d0fd5
commit bee4716a85
7 changed files with 55 additions and 10 deletions
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6
src/tactic/arith/lia2card_tactic.cpp
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@ -160,6 +160,9 @@ public:
expr_ref_vector xs(m);
expr_ref last_v(m);
if (!m_mc) m_mc = alloc(generic_model_converter, m, "lia2card");
if (hi == 0) {
return expr_ref(a.mk_int(0), m);
}
if (lo > 0) {
xs.push_back(a.mk_int(lo));
}
@ -183,7 +186,7 @@ public:
expr_ref_vector axioms(m);
expr_safe_replace rep(m);
tactic_report report("cardinality-intro", *g);
tactic_report report("lia2card", *g);
bound_manager bounds(m);
bounds(*g);
@ -205,7 +208,6 @@ public:
expr_ref new_curr(m), tmp(m);
proof_ref new_pr(m);
rep(g->form(i), tmp);
if (tmp == g->form(i)) continue;
m_rw(tmp, new_curr, new_pr);
if (m.proofs_enabled() && !new_pr) {
new_pr = m.mk_rewrite(g->form(i), new_curr);