求助：这个lingo程序为何运行不起？

randyzhu

model:
sets:
plane/1..6/:cita;
link(plane,plane):alpha,beta;
endsets
min=@sum(planeabs(cita));
@for(plane(i):
@bnd(-30,cita(i),30);
);
@for(link(i,j)|i#ne#j:
  @abs(beta(i,j)+0.5*cita(i)+0.5*cita(j))>alpha(i,j);
);
data:
alpha=0.000000 5.391190 32.230953 5.091816 20.963361 2.234507
        5.391190 0.000000 4.804024  6.613460 5.807866 3.815925
        32.230953 4.804024  0.000000 4.364672 22.833654 2.125539
        5.091816 6.613460 4.364672  0.000000 4.537692 2.989819
        20.963361 5.807866 22.833654 4.537692 0.000000 2.309841
        2.234507 3.815925 2.125539  2.989819  2.309841  0.000000
;
beta=0.000000 109.263642 -128.250000 24.179830 173.065051 14.474934
       109.263642 0.000000 -88.871097 -42.243563 -92.304847 9.000000
       -128.250000 -88.871096 0.000000 12.476311 -58.786243 0.310809
       24.179830 -42.243563 12.476311 0.000000 5.969234 -3.525606
       173.065051 -92.304846 -58.786244 5.969234 0.000000 1.914383
       14.474934 9.000000 0.310809 -3.525606 1.914383 0.000000
;
enddata
end


这是有一年竞赛的飞机碰撞问题的程序

randyzhu

运行时出现这个错误：the number of nonlinear rows(  31) exceeds the limit of 5

randyzhu

模型是这样的：
min cita1+cita2+cita3+cita4+cita5+cita6
s.t. |beta(i,j)+(cita(i)+cita(j))/2|>alpha(i,j)
      cita(i)<=30

恳求达人指教