%------------------------------------------------------------------------------
% File : Twee---2.7
% Problem : COL031-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_twee /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n017.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Tue Sep 29 09:37:12 AM UTC 2026
% Result : Unsatisfiable 0.07s 0.26s
% Output : CNFRefutation 0.22s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 3
% Syntax : Number of clauses : 8 ( 8 unt; 0 nHn; 6 RR)
% Number of literals : 8 ( 7 equ; 1 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 6 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-2 aty)
% Number of variables : 5 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(c1,negated_conjecture,
apply(Y,f(Y)) != apply(f(Y),apply(Y,f(Y))),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_fixed_point) ).
cnf(c2,axiom,
apply(apply(l,X),Y2) = apply(X,apply(Y2,Y2)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',l_definition) ).
cnf(c3,plain,
apply(apply(l,o),apply(l,o)) = apply(o,apply(apply(l,o),apply(l,o))),
inference(substitution,[status(thm)],[c2]) ).
cnf(c4,plain,
apply(apply(apply(l,o),apply(l,o)),f(apply(apply(l,o),apply(l,o)))) = apply(apply(o,apply(apply(l,o),apply(l,o))),f(apply(apply(l,o),apply(l,o)))),
inference(congruence,[status(thm)],[c3]) ).
cnf(c5,axiom,
apply(apply(o,X2),Y2) = apply(Y2,apply(X2,Y2)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',o_definition) ).
cnf(c6,plain,
apply(apply(o,apply(apply(l,o),apply(l,o))),f(apply(apply(l,o),apply(l,o)))) = apply(f(apply(apply(l,o),apply(l,o))),apply(apply(apply(l,o),apply(l,o)),f(apply(apply(l,o),apply(l,o))))),
inference(substitution,[status(thm)],[c5]) ).
cnf(c7,plain,
apply(apply(apply(l,o),apply(l,o)),f(apply(apply(l,o),apply(l,o)))) = apply(f(apply(apply(l,o),apply(l,o))),apply(apply(apply(l,o),apply(l,o)),f(apply(apply(l,o),apply(l,o))))),
inference(transitivity,[status(thm)],[c4,c6]) ).
cnf(c8,plain,
$false,
inference(resolution,[status(thm)],[c1,c7]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : COL031-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_twee /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.07/0.18 % Computer : n017.cluster.edu
% 0.07/0.18 % Model : x86_64 x86_64
% 0.07/0.18 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.18 % Memory : 8046.5625MB
% 0.07/0.18 % OS : Linux 6.8.0-71-generic
% 0.07/0.18 % CPULimit : 300
% 0.07/0.18 % WCLimit : 300
% 0.07/0.18 % DateTime : Mon Sep 28 21:25:36 UTC 2026
% 0.07/0.18 % CPUTime :
% 0.07/0.18 Running run_twee /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.07/0.26 Command-line arguments: --lhs-weight 1 --flip-ordering --normalise-queue-percent 10 --cp-renormalise-threshold 10 --complete-subsets --ground-joining-incomplete-limit 15 --flatten-every 2
% 0.07/0.26
% 0.07/0.26 % SZS status Unsatisfiable
% 0.07/0.26
% 0.07/0.26 % SZS output start CNFRefutation
% See solution above
% 0.22/0.27
% 0.22/0.27 RESULT: Unsatisfiable (the axioms are contradictory).
%------------------------------------------------------------------------------