minimize
  variable(xvar)
  +1000 * avg_pm_pen_ni(0.0, matrix_cp_mean_xvar, matrix_cp_var_xvar)
Constraint: == 1
  linear(matrix_cp_budget)
Constraint: >= 0.0963007951203275
  linear(matrix_cp_return)
Box: >= 0, <= point_2x0
Solver: tank, precision = 5, init_point = point_x0