ref: 39dd26bf0807046b8c9824745751248db3bf2de0
parent: 8389465f94cce8a571910c8575d5a87c0b8dbd5c
author: aiju <devnull@localhost>
date: Thu Mar 22 09:35:52 EDT 2018
sat: satget: don't duplicate binary clauses
--- a/sys/src/libsat/satget.c
+++ b/sys/src/libsat/satget.c
@@ -18,7 +18,7 @@
}
for(l = s->lit; l < s->lit + 2 * s->nvar; l++)
for(k = 0; k < l->nbimp; k++)
- if(i-- == 0){
+ if(l - s->lit < l->bimp[k] && i-- == 0){
if(n > 0) t[0] = -signf(l - s->lit);
if(n > 1) t[1] = signf(l->bimp[k]);
return 2;