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fix #3068: unsound cache of exprs in or expression

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this tactic has a quite broken caching mechanism (needs a stack).. :S
This commit is contained in:
Nuno Lopes 2020-02-21 18:48:54 +00:00
parent 1aea0d2c8b
commit 7d8b56027f
1 changed files with 3 additions and 0 deletions
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3
src/tactic/core/dom_simplify_tactic.cpp
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@ -348,6 +348,9 @@ expr_ref dom_simplify_tactic::simplify_and_or(bool is_and, app * e) {
}
pop(scope_level() - old_lvl);
// TODO: add stack for cache rather than destroy it completely everywhere
if (!is_and)
reset_cache();
return { is_and ? mk_and(args) : mk_or(args), m };
}