%Source: Ports of programs found in TPDB/C/AProVE_numeric
%query:test_fun(g,g).
% source: port of http://cl2-informatik.uibk.ac.at/mercurial.cgi/TPDB/file/72cccd64ec42/C/AProVE_numeric/svcomp_a.08.c
test_fun(X, Y) :- loop(X, Y, 0).
loop(X, Y, C) :- X > Y, X1 is X + 1, Y1 is Y + 2, C1 is C + 1, loop(X1, Y1, C1).
loop(X, Y, C) :- X =< Y.