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reduce-args: fix unsoundness 2: f(v + 2), where b is quantified

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This commit is contained in:
Nuno Lopes 2016-03-17 13:27:07 +00:00
parent aed4619066
commit facb421398
1 changed files with 3 additions and 3 deletions
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6
src/tactic/core/reduce_args_tactic.cpp
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@ -96,10 +96,10 @@ struct reduce_args_tactic::imp {
expr *lhs, *rhs;
if (bv.is_bv_add(e, lhs, rhs) && bv.is_numeral(lhs)) {
base = rhs;
return true;
} else {
base = e;
}
base = e;
return !is_var(e);
return !is_var(base);
}
static bool may_be_unique(ast_manager& m, bv_util& bv, expr* e, expr*& base) {