mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-06-15 18:36:16 +00:00
Code Activity

Comments

Browse source
This commit is contained in:
Arie Gurfinkel 2018-06-14 16:02:57 -07:00
parent 87715620d9
commit 83cee9e81f
1 changed files with 9 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

11
src/qe/qe_mbi.cpp
View file

@ -487,9 +487,9 @@ namespace qe {
else if is_sat(local & lits) && !is_sat(local & lits & blocked)
MISSING CASE
MUST PRODUCE AN IMPLICANT OF LOCAL that is inconsistent with lits & blocked
in this case !is_sat(local & lits & mdl) so
return l_false, core of lits & mdl, nullptr
this will force a new mdl
in this case !is_sat(local & lits & mdl) and is_sat(mdl, blocked)
let mdl_blocked be lits of blocked that are true in mdl
return l_false, core of lits & mdl_blocked, nullptr
mbi_plugin::block(phi): add phi to blocked
@ -502,9 +502,10 @@ namespace qe {
while (true) {
// when lits.empty(), this picks an A-implicant consistent with B
// when !lits.empty(), checks whether mdl of shared vocab extends to A
switch (a.check_ag(lits, mdl, !lits.empty())) {
bool force_model = !lits.empty();
switch (a.check_ag(lits, mdl, force_model)) {
case l_true:
if (!lits.empty())
if (force_model)
// mdl is a model for a && b
return l_true;
switch (b.check_ag(lits, mdl, false)) {