[1 of 3] Processing p
  [1 of 3] Compiling A[sig]           ( p/A.hsig, nothing )
  [2 of 3] Compiling B[sig]           ( p/B.hsig, nothing )
  [3 of 3] Compiling P                ( p/P.hs, nothing )
[2 of 3] Processing r
  Instantiating r
  [1 of 1] Compiling Impl             ( r/Impl.hs, bkp25.out/r/Impl.o )
[3 of 3] Processing q
  [1 of 4] Compiling A[sig]           ( q/A.hsig, nothing )
  [2 of 4] Compiling B[sig]           ( q/B.hsig, nothing )
  [3 of 4] Instantiating p
  [4 of 4] Compiling M                ( q/M.hs, nothing )