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-rw-r--r--src/sat/satoko/solver_api.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/sat/satoko/solver_api.c b/src/sat/satoko/solver_api.c
index f0aff0cc..dfd996ca 100644
--- a/src/sat/satoko/solver_api.c
+++ b/src/sat/satoko/solver_api.c
@@ -446,6 +446,7 @@ void satoko_mark_cone(satoko_t *s, int * pvars, int n_vars)
s->marks = vec_char_init(solver_varnum(s), 0);
for (i = 0; i < n_vars; i++) {
var_set_mark(s, pvars[i]);
+ vec_sdbl_assign(s->activity, pvars[i], 0);
if (!heap_in_heap(s->var_order, pvars[i]))
heap_insert(s->var_order, pvars[i]);
}