/export/starexec/sandbox/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- NO Problem: f(x,x) -> f(i(x),g(g(x))) f(x,y) -> x g(x) -> i(x) f(x,i(x)) -> f(x,x) f(i(x),i(g(x))) -> a() Proof: Matrix Interpretation Processor: dim=1 interpretation: [a] = 1, [g](x0) = x0, [i](x0) = x0, [f](x0, x1) = 4x0 + 4x1 + 1 orientation: f(x,x) = 8x + 1 >= 8x + 1 = f(i(x),g(g(x))) f(x,y) = 4x + 4y + 1 >= x = x g(x) = x >= x = i(x) f(x,i(x)) = 8x + 1 >= 8x + 1 = f(x,x) f(i(x),i(g(x))) = 8x + 1 >= 1 = a() problem: f(x,x) -> f(i(x),g(g(x))) g(x) -> i(x) f(x,i(x)) -> f(x,x) f(i(x),i(g(x))) -> a() Matrix Interpretation Processor: dim=1 interpretation: [a] = 0, [g](x0) = x0, [i](x0) = x0, [f](x0, x1) = 2x0 + 2x1 + 1 orientation: f(x,x) = 4x + 1 >= 4x + 1 = f(i(x),g(g(x))) g(x) = x >= x = i(x) f(x,i(x)) = 4x + 1 >= 4x + 1 = f(x,x) f(i(x),i(g(x))) = 4x + 1 >= 0 = a() problem: f(x,x) -> f(i(x),g(g(x))) g(x) -> i(x) f(x,i(x)) -> f(x,x) Unfolding Processor: loop length: 4 terms: f(x141,x141) f(i(x141),g(g(x141))) f(i(x141),i(g(x141))) f(i(x141),i(i(x141))) context: [] substitution: x141 -> i(x141) Qed