/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- NO ** BEGIN proof argument ** The following double path program (DPP) was generated while unfolding the analyzed TRS: [iteration = 1] [f^#(0,_0,s(_1)) -> f^#(_0,s(0),s(0)), f^#(s(_2),_3,_4) -> f^#(_2,s(_3),_4)] [comp] This DPP admits the recurrent pair: < C1 = f^#(0,s(□),s(0)), C2 = f^#(s(□),◯,s(0)), Δ = s(□), u = 0 > Hence, the term f(0,s(0),s(0)) is nonterminating w.r.t. the analyzed TRS. ** END proof argument ** ** BEGIN proof description ** ## Searching for a generalized rewrite rule (a rule whose right-hand side contains a variable that does not occur in the left-hand side)... No generalized rewrite rule found! ## Applying the DP framework... ## 1 initial DP problem to solve. ## First, we try to decompose this problem into smaller problems. ## Round 1 [1 DP problem]: ## DP problem: Dependency pairs = [f^#(0,_0,s(_1)) -> f^#(_0,s(0),s(0)), f^#(s(_0),_1,_2) -> f^#(_0,s(_1),_2)] TRS = {f(0,_0,s(_1)) -> f(_0,s(0),s(0)), f(s(_0),_1,_2) -> f(_0,s(_1),_2)} ## Trying with homeomorphic embeddings... Failed! ## Trying with polynomial interpretations... Failed! ## Trying with lexicographic path orders... Failed! ## Trying with Knuth-Bendix orders... Failed! Don't know whether this DP problem is finite. ## A DP problem could not be proved finite. ## Now, we try to prove that this problem is infinite. ## Trying to find a loop (forward=true, backward=true, max=20) # max_depth=20, unfold_variables=false: # Iteration 0: no loop found, 2 unfolded rules generated. # Iteration 1: success, found a loop, 1 unfolded rule generated. This DP problem is infinite. Proof run on Linux version 3.10.0-1160.25.1.el7.x86_64 for amd64 using Java version 1.8.0_292 ** END proof description ** Total number of generated unfolded rules = 6