% EXPECT: valid
% EXIT: 20
x0, x1, x2, x3 : INT;
ASSERT  (6 * x0) + (2 * x1) + (22 * x2) + (-18 * x3) = -15 ;
ASSERT (-8 * x0) + (-25 * x1) + (-25 * x2) + (7 * x3) > 10 ;
ASSERT  (8 * x0) + (25 * x1) + (-7 * x2) + (-29 * x3) < -25 ;
ASSERT  (27 * x0) + (17 * x1) + (-24 * x2) + (-5 * x3) <= 13 ;
ASSERT  (5 * x0) + (-3 * x1) + (0 * x2) + (4 * x3) < -26 ;
ASSERT  (25 * x0) + (7 * x1) + (27 * x2) + (-14 * x3) < 30 ;
ASSERT  (-22 * x0) + (-17 * x1) + (9 * x2) + (-20 * x3) < -19 ;
ASSERT  (31 * x0) + (-16 * x1) + (0 * x2) + (6 * x3) >= 18;
QUERY FALSE;