% EXPECT: invalid
% EXIT: 10
x0, x1, x2, x3 : INT;
ASSERT (-2 * x0) + (-13 * x1) + (-14 * x2) + (-26 * x3) <= 4 ;
ASSERT  (-17 * x0) + (-17 * x1) + (21 * x2) + (-4 * x3) < 18 ;
ASSERT  (-31 * x0) + (23 * x1) + (4 * x2) + (29 * x3) > -6 ;
ASSERT  (-14 * x0) + (32 * x1) + (-8 * x2) + (-8 * x3) <= -1;
QUERY FALSE;