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fixes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-08-27 11:01:45 -07:00
parent 2ede4b2c80
commit d940516df3
10 changed files with 15 additions and 62 deletions
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7
src/tactic/arith/purify_arith_tactic.cpp
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@ -297,8 +297,8 @@ struct purify_arith_proc {
push_cnstr(OR(EQ(y, mk_real_zero()),
EQ(u().mk_mul(y, k), x)));
push_cnstr_pr(result_pr);
if (complete()) {
rational r;
if (complete() && (!u().is_numeral(y, r) || r.is_zero())) {
// y != 0 \/ k = div-0(x)
push_cnstr(OR(NOT(EQ(y, mk_real_zero())),
EQ(k, u().mk_div(x, mk_real_zero()))));
@ -348,7 +348,8 @@ struct purify_arith_proc {
push_cnstr(OR(u().mk_ge(y, zero), u().mk_lt(k2, u().mk_mul(u().mk_numeral(rational(-1), true), y))));
push_cnstr_pr(mod_pr);
if (complete()) {
rational r;
if (complete() && (!u().is_numeral(y, r) || r.is_zero())) {
push_cnstr(OR(NOT(EQ(y, zero)), EQ(k1, u().mk_idiv(x, zero))));
push_cnstr_pr(result_pr);