mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-06-29 17:38:45 +00:00
Code Activity

fix for #291. The root issue is that the set of antecedents is recycled as a fixed object between routines. Antecedents that were already allocated for a Gomory cut got reset by the internalizer. This causes unsound bounds axioms to be created

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-11-05 15:08:42 -08:00
parent d6cb778365
commit fc592fc856
14 changed files with 206 additions and 148 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/smt/theory_arith_nl.h
View file

@ -1910,11 +1910,10 @@ namespace smt {
*/
template<typename Ext>
void theory_arith<Ext>::set_conflict(v_dependency * d) {
bool is_lia = false; // TODO: fix it, but this is only used for debugging.
antecedents& ante = get_antecedents();
antecedents ante(*this);
derived_bound b(null_theory_var, inf_numeral(0), B_LOWER);
dependency2new_bound(d, b);
set_conflict(b.m_lits.size(), b.m_lits.c_ptr(), b.m_eqs.size(), b.m_eqs.c_ptr(), ante, is_lia, "arith_nl");
set_conflict(b, ante, "arith_nl");
TRACE("non_linear",
for (unsigned i = 0; i < b.m_lits.size(); ++i) {
tout << b.m_lits[i] << " ";