% EXPECT: unsat
DATATYPE DT1 = 
  DT1_a |
  DT1_b |
  DT1_c |
  DT1_d |
  DT1_e |
  DT1_f |
  DT1_g |
  DT1_h |
  DT1_i |
  DT1_j |
  DT1_k |
  DT1_l |
  DT1_m |
  DT1_n |
  DT1_o |
  DT1_p |
  DT1_q |
  DT1_r |
  DT1_s |
  DT1_t |
  DT1_u |
  DT1_v |
  DT1_w |
  DT1_x |
  DT1_y |
  DT1_z
END;
DATATYPE DT2 = 
  DT2_a |
  DT2_b |
  DT2_c |
  DT2_d
END;
DATATYPE DT3 = 
  DT3_a |
  DT3_b
END;
var1 : DT3;
var2 : DT3;
var3 : DT1;
var4 : DT3;
var5 : DT3;
var6 : DT3;
var7 : DT3;
var8 : DT3;
var9 : DT3;
var10 : DT3;
var11 : DT2;
var12 : DT3;
var13 : DT3;
var14 : DT3;
var16 : DT3;
var17 : DT3;
var18 : DT3;
var20 : DT3;
var21 : DT3;
CHECKSAT
(
        (((NOT(var13 = DT3_a)) AND (NOT(var10 = DT3_b))) AND (NOT((((((var7 = DT3_b) AND (var4 = DT3_b)) AND (var1 = DT3_a)) OR ((((var5 = DT3_a) AND (var17 = DT3_b)) OR ((var21 = DT3_b) AND ((var3 = DT1_f) OR (var3 = DT1_g)))) <=> (DT3_b = DT3_b))) OR (((var14 = DT3_a) AND (var2 = DT3_a)) AND (((((var8 = DT3_a) AND (var18 = DT3_b)) OR ((var6 = DT3_a) AND (var11 /= DT2_a))) OR (var20 = DT3_b)) OR (var9 = DT3_b)))) OR ((NOT(((((var7 = DT3_b) AND (var4 = DT3_b)) AND (var1 = DT3_a)) OR ((((var5 = DT3_a) AND (var17 = DT3_b)) OR ((var21 = DT3_b) AND ((var3 = DT1_f) OR (var3 = DT1_g)))) <=> (DT3_b = DT3_b))) OR (((var14 = DT3_a) AND (var2 = DT3_a)) AND (((((var8 = DT3_a) AND (var18 = DT3_b)) OR ((var6 = DT3_a) AND (var11 /= DT2_a))) OR (var20 = DT3_b)) OR (var9 = DT3_b))))) AND ((var14 = DT3_b) AND (TRUE))))))
    AND
        (NOT((var12 = DT3_a) OR ((var12 = DT3_b) AND ((var16 = DT3_b) OR (TRUE)))))
);