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mbo

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-05-20 13:45:50 -07:00
parent d12efb6097
commit 339cd6e537
8 changed files with 317 additions and 19 deletions
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6
src/qe/qe_arith.cpp
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@ -29,6 +29,7 @@ Revision History:
#include "expr_functors.h"
#include "expr_safe_replace.h"
#include "model_based_opt.h"
#include "model_evaluator.h"
namespace qe {
@ -658,6 +659,9 @@ namespace qe {
bool new_max = true;
rational max_r, r;
expr_ref val(m);
model_evaluator eval(mdl);
eval.set_model_completion(true);
bool is_int = a.is_int(m_var->x());
for (unsigned i = 0; i < num_ineqs(); ++i) {
rational const& ac = m_ineq_coeffs[i];
@ -669,7 +673,7 @@ namespace qe {
// ac < 0: x + t/ac > 0 <=> x > max { - t/ac | ac < 0 } = max { t/|ac| | ac < 0 }
//
if (ac.is_pos() == do_pos) {
VERIFY(mdl.eval(ineq_term(i), val));
eval(ineq_term(i), val);
VERIFY(a.is_numeral(val, r));
r /= abs(ac);
new_max =