% EXPECT: valid
x0, x1, x2, x3 : INT;
ASSERT (-7 * x0) + (-28 * x1) + (8 * x2) + (29 * x3) = -18 ;
ASSERT  (11 * x0) + (2 * x1) + (4 * x2) + (23 * x3) = 6 ;
ASSERT  (24 * x0) + (-20 * x1) + (23 * x2) + (-2 * x3) = 19 ;
ASSERT  (17 * x0) + (-6 * x1) + (2 * x2) + (-22 * x3) = -31 ;
ASSERT  (16 * x0) + (-7 * x1) + (27 * x2) + (17 * x3) = -8;
ASSERT  (-5 * x0) + (18 * x1) + (3 * x2) + (-1 * x3) <= 29 ;
ASSERT  (9 * x0) + (29 * x1) + (30 * x2) + (23 * x3) >= 21 ;
QUERY FALSE;