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Bugfix for bv2fpa (model) conversion.

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Relates to #740
This commit is contained in:
Christoph M. Wintersteiger 2016-10-17 16:19:27 +01:00
parent 12c47348bc
commit 707dbd4173
1 changed files with 11 additions and 3 deletions
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8
src/ast/fpa/bv2fpa_converter.cpp
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@ -316,9 +316,17 @@ void bv2fpa_converter::convert_consts(model_core * mc, model_core * target_model
app * a2 = to_app(val->get_arg(2)); app * a2 = to_app(val->get_arg(2));
expr_ref v0(m), v1(m), v2(m); expr_ref v0(m), v1(m), v2(m);
#ifdef Z3DEBUG
v0 = mc->get_const_interp(a0->get_decl()); v0 = mc->get_const_interp(a0->get_decl());
v1 = mc->get_const_interp(a1->get_decl()); v1 = mc->get_const_interp(a1->get_decl());
v2 = mc->get_const_interp(a2->get_decl()); v2 = mc->get_const_interp(a2->get_decl());
#else
expr * bv = mc->get_const_interp(to_app(to_app(a0)->get_arg(0))->get_decl());
unsigned bv_sz = m_bv_util.get_bv_size(bv);
v0 = m_bv_util.mk_extract(bv_sz-1, bv_sz-1, bv);
v1 = m_bv_util.mk_extract(bv_sz-2, sbits-1, bv);
v2 = m_bv_util.mk_extract(sbits-2, 0, bv);
#endif
if (!v0) v0 = m_bv_util.mk_numeral(0, 1); if (!v0) v0 = m_bv_util.mk_numeral(0, 1);
if (!v1) v1 = m_bv_util.mk_numeral(0, ebits); if (!v1) v1 = m_bv_util.mk_numeral(0, ebits);