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fix #2604

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-02 20:35:36 -07:00
parent c8908e81aa
commit 5b4cd6dde4
4 changed files with 23 additions and 11 deletions
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15
src/ast/rewriter/arith_rewriter.cpp
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@ -87,8 +87,10 @@ br_status arith_rewriter::mk_app_core(func_decl * f, unsigned num_args, expr * c
default: st = BR_FAILED; break;
}
CTRACE("arith_rewriter", st != BR_FAILED, tout << st << ": " << mk_pp(f, m());
for (unsigned i = 0; i < num_args; ++i) tout << mk_pp(args[i], m()) << " ";
tout << "\n==>\n" << mk_pp(result.get(), m()) << "\n";);
for (unsigned i = 0; i < num_args; ++i) tout << mk_pp(args[i], m()) << " ";
tout << "\n==>\n" << mk_pp(result.get(), m()) << "\n";
tout << "args: " << to_app(result)->get_num_args() << "\n";
);
return st;
}
@ -527,14 +529,15 @@ bool arith_rewriter::is_arith_term(expr * n) const {
}
br_status arith_rewriter::mk_eq_core(expr * arg1, expr * arg2, expr_ref & result) {
br_status st = BR_FAILED;
if (m_eq2ineq) {
result = m().mk_and(m_util.mk_le(arg1, arg2), m_util.mk_ge(arg1, arg2));
return BR_REWRITE2;
st = BR_REWRITE2;
}
if (m_arith_lhs || is_arith_term(arg1) || is_arith_term(arg2)) {
return mk_le_ge_eq_core(arg1, arg2, EQ, result);
else if (m_arith_lhs || is_arith_term(arg1) || is_arith_term(arg2)) {
st = mk_le_ge_eq_core(arg1, arg2, EQ, result);
}
return BR_FAILED;
return st;
}
expr_ref arith_rewriter::neg_monomial(expr* e) const {