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fix #5289

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This commit is contained in:
Nikolaj Bjorner 2021-05-30 10:32:30 -07:00
parent 4d41db2920
commit b1606487f0
9 changed files with 88 additions and 41 deletions
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2
src/ast/rewriter/var_subst.cpp
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@ -25,7 +25,7 @@ Notes:
expr_ref var_subst::operator()(expr * n, unsigned num_args, expr * const * args) {
expr_ref result(m_reducer.m());
if (is_ground(n)) {
if (is_ground(n) || num_args == 0) {
result = n;
//application does not have free variables or nested quantifiers.
//There is no need to print the bindings here?