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fix crash exposed by examples/dotnet/Program.cs

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-10-20 14:32:59 -07:00
parent 3ba2aa2672
commit c802a0ac96
2 changed files with 3 additions and 2 deletions
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2
examples/dotnet/Program.cs
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@ -2103,7 +2103,7 @@ namespace test_mapi
if (s.Check() != Status.SATISFIABLE) if (s.Check() != Status.SATISFIABLE)
throw new TestFailedException(); throw new TestFailedException();
// Console.WriteLine("OK, model: {0}", s.Model.ToString()); Console.WriteLine("OK, model: {0}", s.Model.ToString());
} }

3
src/model/model.cpp
View file

@ -312,7 +312,8 @@ void model::collect_occs(top_sort& ts, func_decl* f) {
func_interp* fi = get_func_interp(f); func_interp* fi = get_func_interp(f);
if (fi) { if (fi) {
e = fi->get_else(); e = fi->get_else();
collect_occs(ts, e); if (e != nullptr)
collect_occs(ts, e);
} }
} }
} }