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bit-blaster

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-03-31 05:34:11 -07:00
parent a81a8de975
commit a914142c7c
2 changed files with 4 additions and 9 deletions
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10
src/tactic/bv/bit_blaster_model_converter.cpp
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@ -123,10 +123,7 @@ struct bit_blaster_model_converter : public model_converter {
SASSERT(is_uninterp_const(bit));
func_decl * bit_decl = to_app(bit)->get_decl();
expr * bit_val = old_model->get_const_interp(bit_decl);
if (bit_val == nullptr) {
goto bail;
}
if (m().is_true(bit_val))
if (bit_val != nullptr && m().is_true(bit_val))
val++;
}
}
@ -141,10 +138,7 @@ struct bit_blaster_model_converter : public model_converter {
func_decl * bit_decl = to_app(bit)->get_decl();
expr * bit_val = old_model->get_const_interp(bit_decl);
// remark: if old_model does not assign bit_val, then assume it is false.
if (bit_val == nullptr) {
goto bail;
}
if (!util.is_zero(bit_val))
if (bit_val != nullptr && !util.is_zero(bit_val))
val++;
}
}