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Two fixes for mbp_dt_tg::apply() when encountering an accessor whose argument has a different constructor in the model: 1. Don't call rm_accessor (which would assert a contradictory recognizer, making the formula false). This prevents the original bug where QEL returned 'false' for satisfiable formulas. 2. Branch on the model-assigned constructor for the accessor's argument. The correct output should include the literal introduced in (2). However, this fix does not produce it. Spacer is sound with this over-approximation, as long as the counter example does not depend on value of mismatched accessors (e.g. (tl nil)). Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> |
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| .. | ||
| lite | ||
| mbp | ||
| CMakeLists.txt | ||
| nlarith_util.cpp | ||
| nlarith_util.h | ||
| nlqsat.cpp | ||
| nlqsat.h | ||
| qe.cpp | ||
| qe.h | ||
| qe_arith_plugin.cpp | ||
| qe_array_plugin.cpp | ||
| qe_bool_plugin.cpp | ||
| qe_bv_plugin.cpp | ||
| qe_cmd.cpp | ||
| qe_cmd.h | ||
| qe_datatype_plugin.cpp | ||
| qe_dl_plugin.cpp | ||
| qe_mbi.cpp | ||
| qe_mbi.h | ||
| qe_mbp.cpp | ||
| qe_mbp.h | ||
| qe_tactic.cpp | ||
| qe_tactic.h | ||
| qsat.cpp | ||
| qsat.h | ||