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proper theory_arith integration in theory_str::get_arith_value()

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Murphy Berzish 2017-07-11 13:24:48 -04:00
parent 465ed7d068
commit 86e7f83e06
1 changed files with 13 additions and 1 deletions
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14
src/smt/theory_str.cpp
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@ -4664,7 +4664,19 @@ namespace smt {
if (!tha) {
return false;
}
TRACE("str", tout << "checking eqc of " << mk_pp(e, m) << " for arithmetic value" << std::endl;);
// first query theory_arith directly
expr_ref ival(m);
if (ctx.e_internalized(e) && tha->get_value(ctx.get_enode(e), ival)
&& m_autil.is_numeral(ival, val) && val.is_int()) {
TRACE("str", tout << "theory_arith: " << mk_pp(e, m) << " = " << val << std::endl;);
return true;
}
// if this fails, fall back to checking eqc
TRACE("str", tout << "no result in theory_arith! checking eqc of " << mk_pp(e, m) << " for arithmetic value" << std::endl;);
expr_ref _val(m);
enode * en_e = ctx.get_enode(e);
enode * it = en_e;