transportation.fzn

var int: A1;
var int: A2;
var int: A3;
var int: B1;
var int: B2;
var int: B3;
var int: C1;
var int: C2;
var int: C3;
var int: D1;
var int: D2;
var int: D3;
var int: INT____00001 :: is_defined_var :: var_is_introduced;
var int: Obj :: output_var = INT____00001;
array [1..12] of var int: Vars :: output_array([1..12]) = [A1, A2, A3, B1, B2, B3, C1, C2, C3, D1, D2, D3];
constraint int_le(0, A1);
constraint int_le(0, A2);
constraint int_le(0, A3);
constraint int_le(0, B1);
constraint int_le(0, B2);
constraint int_le(0, B3);
constraint int_le(0, C1);
constraint int_le(0, C2);
constraint int_le(0, C3);
constraint int_le(0, D1);
constraint int_le(0, D2);
constraint int_le(0, D3);
constraint int_le(0, INT____00001);
constraint int_le(0, Obj);
constraint int_lin_eq([1, 1, 1], [A1, A2, A3], 200);
constraint int_lin_eq([1, 1, 1], [B1, B2, B3], 400);
constraint int_lin_eq([1, 1, 1], [C1, C2, C3], 300);
constraint int_lin_eq([1, 1, 1], [D1, D2, D3], 100);
constraint int_lin_eq([-1, 10, 7, 11, 8, 5, 10, 5, 5, 8, 9, 3, 7], [INT____00001, A1, A2, A3, B1, B2, B3, C1, C2, C3, D1, D2, D3], 0) :: defines_var(INT____00001);
constraint int_lin_le([1, 1, 1, 1], [A1, B1, C1, D1], 500);
constraint int_lin_le([1, 1, 1, 1], [A2, B2, C2, D2], 300);
constraint int_lin_le([1, 1, 1, 1], [A3, B3, C3, D3], 400);
solve  :: int_search(Vars, first_fail, indomain_split, complete) minimize INT____00001;