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convert reduce-args to a simplifier

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- convert reduce-args to a simplifier. Currently exposed as reduce-args2 tactic until the old tactic code gets removed.
- bug fixes in model_reconstruction trail
  - allow multiple defs to be added with same pool of removed formulas
  - fix tracking of function symbols instead of expressions to filter replay
- add nla_divisions to track (cheap) divisibility lemmas.
-
This commit is contained in:
Nikolaj Bjorner 2023-01-28 20:12:14 -08:00
parent 246d6f7b77
commit 8ea49eed8e
23 changed files with 740 additions and 92 deletions
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7
src/smt/theory_lra.cpp
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@ -435,6 +435,13 @@ class theory_lra::imp {
app_ref mod(a.mk_mod(n1, n2), m);
ctx().internalize(mod, false);
if (ctx().relevancy()) ctx().add_relevancy_dependency(n, mod);
#if 0
// shortcut to create non-linear division axioms.
theory_var r = mk_var(n);
theory_var x = mk_var(n1);
theory_var y = mk_var(n2);
m_nla->add_idivision(get_lpvar(n), get_lpvar(n1), get_lpvar(n2));
#endif
}
else if (a.is_mod(n, n1, n2)) {
if (!a.is_numeral(n2, r) || r.is_zero()) found_underspecified(n);