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ensure that auxiliary PB booleans are recognized during rewriting. Fixes segementation fault #1113, but does not address performance issues with quantifiers and optimization combinations

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-06-26 10:04:50 -07:00
parent 7db1847f51
commit 244cbc2638
2 changed files with 2 additions and 0 deletions
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1
src/ast/pb_decl_plugin.h
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@ -109,6 +109,7 @@ public:
bool is_ge(func_decl* a) const;
bool is_ge(expr* a) const { return is_app(a) && is_ge(to_app(a)->get_decl()); }
bool is_ge(expr* a, rational& k) const;
bool is_aux_bool(func_decl* f) const { return is_decl_of(f, m_fid, OP_PB_AUX_BOOL); }
bool is_aux_bool(expr* e) const { return is_app_of(e, m_fid, OP_PB_AUX_BOOL); }
rational get_coeff(expr* a, unsigned index) const { return get_coeff(to_app(a)->get_decl(), index); }
rational get_coeff(func_decl* a, unsigned index) const;

1
src/ast/rewriter/pb_rewriter.cpp
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@ -196,6 +196,7 @@ void pb_rewriter::dump_pb_rewrite(expr* fml) {
}
br_status pb_rewriter::mk_app_core(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result) {
if (m_util.is_aux_bool(f)) return BR_FAILED;
ast_manager& m = result.get_manager();
rational sum(0), maxsum(0);
for (unsigned i = 0; i < num_args; ++i) {