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update generation of empty sequence to take sort argument, fix mk_concat substitution

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2026-03-13 10:00:23 -07:00
parent e384e8f3d4
commit df9df50a71
6 changed files with 146 additions and 121 deletions
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src/smt/theory_nseq.cpp
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@ -421,9 +421,6 @@ namespace smt {
// here the actual Nielsen solving happens
auto result = m_nielsen.solve();
std::cout << "Result: " << (result == seq::nielsen_graph::search_result::sat ? "SAT" : result == seq::nielsen_graph::search_result::unsat ? "UNSAT" : "UNKNOWN") << "\n";
// m_nielsen.to_dot(std::cout);
// std::cout << std::endl;
if (result == seq::nielsen_graph::search_result::sat) {
IF_VERBOSE(1, verbose_stream() << "nseq final_check: solve SAT, sat_node="