mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-12 12:08:18 +00:00
Code Activity

fix #2609

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-02 14:40:11 -07:00
parent a635049e23
commit feff1f7f96
3 changed files with 5 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
src/model/model_evaluator.cpp
View file

@ -342,7 +342,6 @@ struct evaluator_cfg : public default_rewriter_cfg {
result = m_au.mk_int(0); result = m_au.mk_int(0);
return BR_DONE; return BR_DONE;
} }
return BR_FAILED; return BR_FAILED;
} }

4
src/qe/qsat.cpp
View file

@ -503,8 +503,8 @@ namespace qe {
if (is_uninterp_const(a)) { // TBD generalize for uninterpreted functions. if (is_uninterp_const(a)) { // TBD generalize for uninterpreted functions.
vars.push_back(a); vars.push_back(a);
} }
for (unsigned i = 0; i < a->get_num_args(); ++i) { for (expr* arg : *a) {
todo.push_back(a->get_arg(i)); todo.push_back(arg);
} }
} }
} }

3
src/tactic/arith/probe_arith.cpp
View file

@ -465,6 +465,7 @@ struct is_non_nira_functor {
if (!compatible_sort(n)) if (!compatible_sort(n))
throw_found(n); throw_found(n);
family_id fid = n->get_family_id(); family_id fid = n->get_family_id();
rational r;
if (fid == m.get_basic_family_id()) if (fid == m.get_basic_family_id())
return; return;
if (fid == u.get_family_id()) { if (fid == u.get_family_id()) {
@ -484,6 +485,8 @@ struct is_non_nira_functor {
case OP_IDIV: case OP_DIV: case OP_REM: case OP_MOD: case OP_IDIV: case OP_DIV: case OP_REM: case OP_MOD:
if (m_linear && !u.is_numeral(n->get_arg(1))) if (m_linear && !u.is_numeral(n->get_arg(1)))
throw_found(n); throw_found(n);
if (m_linear && u.is_numeral(n->get_arg(1), r) && r.is_zero())
throw_found(n);
if (!is_ground(n->get_arg(0)) || !is_ground(n->get_arg(1))) if (!is_ground(n->get_arg(0)) || !is_ground(n->get_arg(1)))
throw_found(n); throw_found(n);
return; return;