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-rw-r--r--passes/sat/freduce.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/passes/sat/freduce.cc b/passes/sat/freduce.cc
index 81250b00..746523f8 100644
--- a/passes/sat/freduce.cc
+++ b/passes/sat/freduce.cc
@@ -112,13 +112,13 @@ struct FindReducedInputs
size_t idx_bits = get_bits(idx);
if (sat_pi_uniq_bitvec.size() != idx_bits) {
- sat_pi_uniq_bitvec.push_back(ez.literal(stringf("uniq_%d", int(idx_bits)-1)));
+ sat_pi_uniq_bitvec.push_back(ez.frozen_literal(stringf("uniq_%d", int(idx_bits)-1)));
for (auto &it : sat_pi)
ez.assume(ez.OR(ez.NOT(it.second), ez.NOT(sat_pi_uniq_bitvec.back())));
}
log_assert(sat_pi_uniq_bitvec.size() == idx_bits);
- sat_pi[bit] = ez.literal(stringf("pi_%s", log_signal(bit)));
+ sat_pi[bit] = ez.frozen_literal(stringf("p, falsei_%s", log_signal(bit)));
ez.assume(ez.IFF(ez.XOR(sat_a, sat_b), sat_pi[bit]));
for (size_t i = 0; i < idx_bits; i++)