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model generation with strings

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-01-13 10:39:38 +01:00
parent 9909c056f0
commit 57e1d4dc1f
2 changed files with 13 additions and 3 deletions
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8
src/ast/rewriter/seq_rewriter.cpp
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@ -938,7 +938,6 @@ br_status seq_rewriter::mk_eq_core(expr * l, expr * r, expr_ref & result) {
bool seq_rewriter::reduce_eq(expr_ref_vector& ls, expr_ref_vector& rs, expr_ref_vector& lhs, expr_ref_vector& rhs, bool& change) {
expr* a, *b;
zstring s;
bool lchange = false;
SASSERT(lhs.empty());
// solve from back
@ -1327,6 +1326,13 @@ bool seq_rewriter::is_subsequence(unsigned szl, expr* const* l, unsigned szr, ex
found = !rpos.contains(j) && l[i] == r[j];
}
if (!found) {
#if 0
std::cout << mk_pp(l[i], m()) << " not found in ";
for (unsigned j = 0; j < szr; ++j) {
std::cout << mk_pp(r[j], m()) << " ";
}
std::cout << "\n";
#endif
return false;
}
SASSERT(0 < j && j <= szr);