mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-22 16:45:31 +00:00
Code Activity

fixes to githup issue #133 and stackoverflow reported bug on assertion violation in poly_simplifier_plugin

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-06-21 13:49:15 -07:00 • committed by Christoph M. Wintersteiger
parent 45d2ffa38c
commit e7385d60fb
2 changed files with 11 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/ast/simplifier/poly_simplifier_plugin.cpp
View file

@ -69,14 +69,20 @@ expr * poly_simplifier_plugin::mk_mul(unsigned num_args, expr * const * args) {
}
expr * poly_simplifier_plugin::mk_mul(numeral const & c, expr * body) {
numeral c_prime;
numeral c_prime, d;
c_prime = norm(c);
if (c_prime.is_zero())
return 0;
if (body == 0)
return mk_numeral(c_prime);
if (c_prime.is_one())
return body;
return body;
if (is_numeral(body, d)) {
c_prime = norm(c_prime*d);
if (c_prime.is_zero())
return 0;
return mk_numeral(c_prime);
}
set_curr_sort(body);
expr * args[2] = { mk_numeral(c_prime), body };
return mk_mul(2, args);

4
src/opt/opt_solver.cpp
View file

@ -46,7 +46,9 @@ namespace opt {
m_dump_benchmarks(false),
m_first(true) {
m_params.updt_params(p);
m_params.m_relevancy_lvl = 0;
if (m_params.m_case_split_strategy == CS_ACTIVITY_DELAY_NEW) {
m_params.m_relevancy_lvl = 0;
}
}
unsigned opt_solver::m_dump_count = 0;