(!******************************************************
   Mosel User Guide Example Problems
   ================================= 

   file burglar.mos
   ````````````````
   Small MIP problem.
   
   (c) 2008 Fair Isaac Corporation
       author: S. Heipcke, Jan. 2001
*******************************************************!)

model Burglar 
 uses "mmxprs"
  
 declarations
  WTMAX = 102                    ! Maximum weight allowed
  ITEMS = 1..8                   ! Index range for items
  
  VALUE: array(ITEMS) of real    ! Value of items
  WEIGHT: array(ITEMS) of real   ! Weight of items
  
  take: array(ITEMS) of mpvar    ! 1 if we take item i; 0 otherwise
 end-declarations

! Item:      1   2   3   4   5   6   7   8
  VALUE :: [15, 100, 90, 60, 40, 15, 10,  1]
  WEIGHT:: [ 2,  20, 20, 30, 40, 30, 60, 10]

! Objective: maximize total value
 MaxVal:= sum(i in ITEMS) VALUE(i)*take(i) 

! Weight restriction
 sum(i in ITEMS) WEIGHT(i)*take(i) <= WTMAX

! All variables are 0/1
 forall(i in ITEMS) take(i) is_binary  

 maximize(MaxVal)                 ! Solve the MIP-problem

! Print out the solution
 writeln("Solution:\n Objective: ", getobjval)
 forall(i in ITEMS)  writeln(" take(", i, "): ", getsol(take(i)))
end-model