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fix #1956

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-11-20 11:30:44 -08:00
parent 9615974e76
commit 7016d94d59
1 changed files with 6 additions and 5 deletions
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11
src/smt/theory_recfun.cpp
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@ -338,7 +338,11 @@ namespace smt {
literal concl = mk_literal(pred_applied); literal concl = mk_literal(pred_applied);
preds.push_back(concl); preds.push_back(concl);
if (depth >= m_max_depth) { if (c.is_immediate()) {
body_expansion be(pred_applied, c, e.m_args);
assert_body_axiom(be);
}
else if (depth >= m_max_depth) {
assert_max_depth_limit(pred_applied); assert_max_depth_limit(pred_applied);
continue; continue;
} }
@ -354,10 +358,6 @@ namespace smt {
} }
ctx().mk_th_axiom(get_id(), guards); ctx().mk_th_axiom(get_id(), guards);
if (c.is_immediate()) {
body_expansion be(pred_applied, c, e.m_args);
assert_body_axiom(be);
}
} }
// the disjunction of branches is asserted // the disjunction of branches is asserted
// to close the available cases. // to close the available cases.
@ -386,6 +386,7 @@ namespace smt {
expr_ref guard = apply_args(depth, vars, args, g); expr_ref guard = apply_args(depth, vars, args, g);
clause.push_back(~mk_literal(guard)); clause.push_back(~mk_literal(guard));
if (clause.back() == true_literal) { if (clause.back() == true_literal) {
TRACEFN("body " << pp_body_expansion(e,m) << "\n" << clause << "\n" << guard);
return; return;
} }
if (clause.back() == false_literal) { if (clause.back() == false_literal) {