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			7.2 KiB
		
	
	
	
		
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			375 lines
		
	
	
		
			7.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| % From lim@scorpio Thu Jun 17 14:09:28 1993
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| % adapted for CHRs by thom fruehwirth 930617
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| % replaced $= by =:= and then removed '$'
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| 
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| 
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| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| %
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| % Rational Constraint Solver Source Module
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| %
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| % sccsid("@(#)data 1.00             92/06/29").
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| % sccscr("@(#)  Copyright 1992 ECRC GmbH ").
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| %
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| % IDENTIFICATION: examples
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| %
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| % AUTHOR:         Pierre Lim
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| %
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| %
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| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| %
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| % X + Y =:= 4
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| % X - Y =:= 0
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| % Answer:
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| %
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| % X =:= 2, Y =:= 2
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| %
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| 
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| X + Y =:= 4,
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| X - Y =:= 0.
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| 
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| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| 
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| %-8x + 5y + -1z =:= 18,
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| %x + -11z + -5y =:= 6,
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| %-1x + 5y + 5z =:= 0.
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| % Answer:
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| %
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| % x =:= -12/7, y =:= 23/35, z =:= -1
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| 
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| -8 * X + 5 * Y - Z =:= 18,
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| X - 11 * Z - 5 * Y =:= 6,
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| -X + 5 * Y + 5 * Z =:= 0. 
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| 
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| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| 
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| %-11z + -5y + x =:= -6,
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| %5z + -1x + 5y =:= 0.
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| %
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| % Answer:
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| % 
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| % z =:= 1, x =:= 5 * Y + 5, y =:= (unconstrained)
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| %
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| % Notes:
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| % CLP(R) compiler
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| % 
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| % Y =:= 0.2*X - 1
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| % Z =:= 1
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| %
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| % CHIP compiler
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| % Z =:= (1)
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| % X =:= (5) + (5) * _r80 
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| % Y =:= _r80 
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| %
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| % My rational constraint solver produces
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| % Z =:= 1
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| % X =:= 5 * _m277 + 5
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| % Y =:= 1 * _m277
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| %
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| %
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| 
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| -11*Z - 5*Y + X =:= -6,
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| 5*Z - X + 5*Y =:= 0.
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| 
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| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| 
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| % X + -5*Y + -11 * Z =:= -6,
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| % -X + 5* Z + 5* Y =:= 0,
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| % X + 2* Z + -3* Y =:= 7,
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| % 8*X + Z + -5*Y + P =:= 18.
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| %
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| % Answer: z =:= 1.0, x =:= 5.0, y =:= 0.0, p =:= -23
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| %
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| 
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| X - 5*Y - 11 * Z =:= -6,
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| -X + 5* Z + 5* Y =:= 0,
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| X + 2* Z - 3* Y =:= 7,
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| 8*X + Z - 5*Y + P =:= 18.
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| 
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| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| 
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| %-8x + -1z + 5y =:= -18,
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| %x + -5y + -11z =:= -6,
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| %-x + 5z + y =:= 0,
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| %x + 2z + -3y =:= 7.
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| %
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| % Answer inconsistent
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| %
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| 
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| -8*X + -1*Z + 5*Y =:= -18,
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| X + -5*Y + -11*Z =:= -6,
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| -X + 5*Z + Y =:= 0,
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| X + 2*Z + -3*Y =:= 7.
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| 
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| %
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| % 0 =< X, X =< 10.
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| %
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| 
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| 0 =< X, X =< 10, X =:= 11.              % inconsistent
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| 0 =< X, X =< 10, X =:= 1.               % X =:= 1
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| X =:= (1/2)/(1/2).                        % X =:= 1
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| 
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| 
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| %
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| % Inequality example 1
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| /*
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| X1 + X2 >= 2,
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| -X1 + X2 >= 1,
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| X2 =< 3,
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| X1 >= 0,
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| X2 >= 0.
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| */
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| %
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| %
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| % CHIP compiler
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| %
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| % X1 =:= (1/2) + (-1/2) * _rp105  + (1/2) * _rp78 
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| % X2 =:= (3/2) + (1/2) * _rp105  + (1/2) * _rp78 
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| %
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| %
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| 
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| X1 + X2 >= 2,
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| -X1 + X2 >= 1,
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| X2 =< 3,
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| X1 >= 0,
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| X2 >= 0.
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| % print_store.
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| 
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| %
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| %
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| % Answer: X =:= 5
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| %
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| 
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| X >= 5,
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| X =< 5.
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| 
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| %
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| % x1 + x2 =< 4,
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| % 2x1 + 3x2 >= 18,
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| % x1 >= 0,
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| % x2 >= 0.
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| %
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| % Answer: inconsistent
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| 
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| X1 + X2 =< 4,
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| 2 * X1 + 3 * X2 >= 18,
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| X1 >= 0,
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| X2 >= 0.
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| 
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| %
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| %
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| /*
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| X1 =< 50,
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| X2 =< 200,
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| X1 + 0.2 * X2 =< 72,
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| 150 * X1 + 25 * X2 =< 10000,
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| Z =:= 250 * X1 + 45 * X2.
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| */
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| %
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| %
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| % Answer: CLP(R) compiler
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| %
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| % X1 =:= 0.004*Z - 0.18*X2
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| % Z =< 3.33333*X2 + 16666.7
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| % Z + 5*X2 =< 18000
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| % X2 =< 200
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| % Z =< 45*X2 + 12500
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| %
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| % Answer: CHIP compiler
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| %
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| % Z =:= (17000) + (-9/5) * _rp161  + (20) * _rp101 
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| % X1 =:= (50) + (-1) * _rp101 
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| % X2 =:= (100) + (-1/25) * _rp161  + (6) * _rp101 
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| %
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| % First 3 constraints
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| % X1 =:= (50) + (-1) * _rp67 
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| % X2 =:= (110) + (-5) * _rp105  + (5) * _rp67
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| %
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| 
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| X1 =< 50,
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| X2 =< 200,
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| X1 + 2/10 * X2 =< 72,
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| 150 * X1 + 25 * X2 =< 10000,
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| Z =:= 250 * X1 + 45 * X2.
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| %,output.
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| 
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| /*
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| Eclipse input:
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| 
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| X1 =< 50,
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| X2 =< 200,
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| X1 + 2/10 * X2 =< 72,
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| 150 * X1 + 25 * X2 =< 10000,
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| Z =:= 250 * X1 + 45 * X2.
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| 
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| */
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| 
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| %
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| %
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| % X4 =< 1 + 3 * X3,
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| % X4 =< 4/13+18/13*X3,
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| % X4 >= -1/8+9/8*X3,
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| % X4 >= -2+6*X3,
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| % X4 >= -1/11+9/11*X3
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| /*
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| X4 - 3 * X3 =< 1,
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| X4 - 1.38462 * X3 =< 0.307692,
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| X4 - 1.125 * X3 >= -0.125,
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| X4 - 6 * X3 >= -2,
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| X4 - 0.818182 * X3 >= -0.0909091.
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| 
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| X4 - 3 * X3 =< 1,
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| X4 - 18/13 * X3 =< 4/13,
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| X4 - 9/8 * X3 >= -1/8,
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| X4 - 6 * X3 >= -2,
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| X4 - 9/11 * X3 >= -1/11.
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| */
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| %
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| % CHIP Compiler
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| % X4 =:= (-2/7) + (-13/7) * _rp145  + (6/7) * _rp118 
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| % X3 =:= (-3/7) + (-13/21) * _rp145  + (13/21) * _rp118 
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| %
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| % CLP(R) Compiler
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| %
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| % 0.818182*X3 =< X4 + 0.0909091
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| % 6*X3 =< X4 + 2
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| % 1.125*X3 =< X4 + 0.125
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| % X4 =< 1.38462*X3 + 0.307692
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| % X4 =< 3*X3 + 1
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| % 
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| %
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| 
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| X4 =< 1+3*X3,
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| X4 =< 4/13+18/13*X3,
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| X4 >= -1/8+9/8*X3,
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| X4 >= -2+6*X3,
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| X4 >= -1/11+9/11*X3.
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| 
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| %
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| %
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| %
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| % CHIP Compiler
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| %
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| % X3 =:= (1/9) * _rp256  + (5/6) * _rp229  + (-4/9) * _rp202  + (-1/2) * _rp159 
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| % X4 =:= (2/3) * _rp229  + (-1/3) * _rp202 
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| % X1 =:= (1/9) * _rp256  + (1/3) * _rp229  + (-1/9) * _rp202  + (-1/3) * _rp159 
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| % X2 =:= (1) + (-1) * _rp256  + (-13/6) * _rp229  + (1/3) * _rp202  +
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| %       (3/2) * _rp159 
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| %
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| %
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| %example([X1,X2,X3,X4]) :-
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|   12*X1 +   X2 -  3*X3 +    X4 =< 1,
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|  -36*X1 - 2*X2 + 18*X3 - 11*X4 =< -2,
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|  -18*X1 -   X2 +  9*X3 -  7*X4 =< -1,
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|   45*X1 + 4*X2 - 18*X3 + 13*X4 =< 4,
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|      X1                        >= 0,
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|             X2                 >= 0.
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| 
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| %
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| %
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| % Small Scheduling Problem
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| % CHIP Compiler
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| %
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| % SA =:= (-7) + (1) * _r218  + (-1) * _rp211 
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| % SB =:= _r218 
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| % SD =:= (1) * _r218  + (1) * _rp238  + (-1) * _rp211 
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| % SC =:= (3) + (1) * _r218  + (1) * _rp264 
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| % SF =:= (8) + (1) * _r218  + (1) * _rp407  + (1) * _rp238  + (-1) * _rp211 
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| % SH =:= (9) + (1) * _r218  + (1) * _rp471  + (1) * _rp407  + (1) * _rp238  +
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| %      (-1) * _rp211 
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| % SG =:= (8) + (1) * _r218  + (1) * _rp374  + (1) * _rp238  + (-1) * _rp211 
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| % SE =:= (8) + (1) * _r218  + (1) * _rp314  + (1) * _rp238  + (-1) * _rp211 
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| % SJ =:= (12) + (1) * _r218  + (1) * _rp506  + (1) * _rp471  + (1) * _rp407  +
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| %      (1) * _rp238  + (-1) * _rp211 
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| % Send =:= (15) + (1) * _r218  + (1) * _rp674  + (1) * _rp607  + (1) * _rp506  +
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| %        (1) * _rp471  + (1) * _rp407  + (1) * _rp238  + (-1) * _rp211 
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| % SK =:= (14) + (1) * _r218  + (1) * _rp607  + (1) * _rp506  + (1) * _rp471  +
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| %      (1) * _rp407  + (1) * _rp238  + (-1) * _rp211 
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| %
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| %
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| 
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| SB >= SA + 7,
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| SD >= SA + 7,
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| SC >= SB + 3,
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| SE >= SC + 1,
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| SE >= SD + 8,
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| SG >= SC + 1,
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| SG >= SD + 8,
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| SF >= SD + 8,
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| SF >= SC + 1,
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| SH >= SF + 1,
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| SJ >= SH + 3,
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| SK >= SG + 1,
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| SK >= SE + 2,
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| SK >= SJ + 2,
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| Send >= SK + 1.
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| 
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| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| 
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| %
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| % Example from paper by De Backer and Beringer
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| % ``A CLP language handling disjunctions of linear constraints''
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| %
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| % ConstrainedMin[ x, {3x -2y =< 4, 3x+2y =< 28, 5 =< y},{x,y}]
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| % {0, {x -> 0, y -> 5}}
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| % ConstrainedMax[ x, {3x -2y =< 4, 3x+2y =< 28, 5 =< y},{x,y}]
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| %  16        16
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| % {--, {x -> --, y -> 6}}
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| %  3         3
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| % ConstrainedMin[y, {3x -2y =< 4, 3x+2y =< 28, 5 =< y},{x,y}]
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| %           14
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| % {5, {x -> --, y -> 5}}
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| %           3
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| % ConstrainedMax[ y, {3x -2y =< 4, 3x+2y =< 28, 5 =< y},{x,y}]
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| % {14, {x -> 0, y -> 14}}
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| 
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| 
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| 3*X - 2*Y =< -4, 3*X + 2*Y =< 28, 5 =< Y. %, rmax(X).
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| %3*X - 2*Y >= -4, 3*X + 2*Y =< 28, 5 =< Y.%, rmin(X).
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| %3*X - 2*Y =< -4, 3*X + 2*Y =< 28, 5 =< Y.%, rmax(Y).
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| %3*X - 2*Y =< -4, 3*X + 2*Y =< 28, 5 =< Y.%, rmin(Y).
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| 
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| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| 
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| X11 + X12 + X13 + X14 + X15 =:= 1000,
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| X21 + X22 + X23 + X24 + X25 =:= 1000,
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| 
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| 4*X11 + 5*X21 - Y21 - Z21 =< 0,
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| -4*X12 - 5*X22 + Y22 + Z22 =:= 0,
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| -4*X13 - 5*X23 + Y24 - Y25 + Z24 - Z25 =:= 0,
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| Y21 + Z21 =:= 0.
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| 
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| X1>=0,%positive(X1),
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| X2>=0,%positive(X2),
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| Y1>=0,%positive(Y1),
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| Y2>=0,%positive(Y2),
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| Y1 =:= X1 - X2,
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| Y2 =:= X2 - X1.
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| 
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| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| 
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| U1-Z+W =:= 0,
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| U2 +Z-V =:= 0,
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| U3 -W + V =:= 0,
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| U1 >=0,
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| U2 >= 0,
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| U3 >= 0,
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| Z >= 0,
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| V >= 0,
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| W >= 0.
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| 
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| U1-Z+2*W =:= 0,
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| U2 +2*Z-V =:= 0,
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| U3-W+2*V =:= 0,
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| U1 >= 0,
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| U2 >= 0,
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| U3 >= 0,
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| Z >= 0,
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| V >= 0,
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| W >= 0.
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| 
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| X + 2*Z >=0,
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| -Z +Y >= 1,
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| -Y >= 2.
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| 
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| 
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