ERROR: Found error in internal cell \axilxbar.$lt$../benchmarks/axilxbar.v:1435$6090.B_conv ($pos) at kernel/rtlil.cc:787:
  attribute \module_not_derived 1
  attribute \src "../benchmarks/axilxbar.v:1435|../74_cmp.v:21"
  cell $pos $lt$../benchmarks/axilxbar.v:1435$6090.B_conv
    parameter \Y_WIDTH 1
    parameter \A_WIDTH 4
    parameter \A_SIGNED 0
    connect \Y $lt$../benchmarks/axilxbar.v:1435$6090.B_buf
    connect \A 4'1000
  end