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support else values that are null from models

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-22 11:09:48 -08:00
parent a30fe1e2ec
commit 4cf41c44f3
1 changed files with 3 additions and 1 deletions
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4
src/api/api_model.cpp
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@ -277,7 +277,9 @@ extern "C" {
RESET_ERROR_CODE(); RESET_ERROR_CODE();
CHECK_NON_NULL(f, 0); CHECK_NON_NULL(f, 0);
expr * e = to_func_interp_ref(f)->get_else(); expr * e = to_func_interp_ref(f)->get_else();
mk_c(c)->save_ast_trail(e); if (e) {
mk_c(c)->save_ast_trail(e);
}
RETURN_Z3(of_expr(e)); RETURN_Z3(of_expr(e));
Z3_CATCH_RETURN(0); Z3_CATCH_RETURN(0);
} }