%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SYN341+1 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n013.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 : Thu Sep 24 03:19:25 PM UTC 2026
% Result : Theorem 0.08s 0.36s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN341+1 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.34 % Computer : n013.cluster.edu
% 0.08/0.34 % Model : x86_64 x86_64
% 0.08/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.34 % Memory : 8046.5625MB
% 0.08/0.34 % OS : Linux 6.8.0-71-generic
% 0.08/0.34 % CPULimit : 300
% 0.08/0.34 % WCLimit : 300
% 0.08/0.34 % DateTime : Mon Sep 21 10:49:51 UTC 2026
% 0.08/0.34 % CPUTime :
% 0.08/0.35 % Drodi V4.1.1
% 0.08/0.36 % Refutation found
% 0.08/0.36 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.08/0.36 % SZS output start CNFRefutation for theBenchmark
% 0.08/0.36 fof(f1,conjecture,(
% 0.08/0.36 (? [X1] :(! [X2] :(? [X3] :(! [X4] :( big_f(X1,X2,X3)=> big_f(X2,X3,X4) ) ))))),
% 0.08/0.36 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.08/0.36 fof(f2,negated_conjecture,(
% 0.08/0.36 ~((? [X1] :(! [X2] :(? [X3] :(! [X4] :( big_f(X1,X2,X3)=> big_f(X2,X3,X4) ) )))))),
% 0.08/0.36 inference(negated_conjecture,[status(cth)],[f1])).
% 0.08/0.36 fof(f3,plain,(
% 0.08/0.36 (![X1]: ?[X2]: ![X3]: ?[X4]: (big_f(X1,X2,X3)&~big_f(X2,X3,X4)))),
% 0.08/0.36 inference(pre_NNF_transformation,[status(thm)],[f2])).
% 0.08/0.36 fof(f4,plain,(
% 0.08/0.36 ![X1]: ?[X2]: ((![X3]: big_f(X1,X2,X3))&(![X3]: ?[X4]: ~big_f(X2,X3,X4)))),
% 0.08/0.36 inference(miniscoping,[status(thm)],[f3])).
% 0.08/0.36 fof(f5,plain,(
% 0.08/0.36 ![X1]: ((![X3]: big_f(X1,sK0_skl(X1),X3))&(![X3]: ~big_f(sK0_skl(X1),X3,sK1_skl(X3,X1))))),
% 0.08/0.36 inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl,sK1_skl]),skolemize(X2,sK0_skl(X1)),skolemize(X4,sK1_skl(X3,X1))],[f4])).
% 0.08/0.36 fof(f6,plain,(
% 0.08/0.36 ![X0,X1]: (big_f(X0,sK0_skl(X0),X1))),
% 0.08/0.36 inference(cnf_transformation,[status(thm)],[f5])).
% 0.08/0.36 fof(f7,plain,(
% 0.08/0.36 ![X0,X1]: (~big_f(sK0_skl(X0),X1,sK1_skl(X1,X0)))),
% 0.08/0.36 inference(cnf_transformation,[status(thm)],[f5])).
% 0.08/0.36 fof(f8,plain,(
% 0.08/0.36 $false),
% 0.08/0.36 inference(resolution,[status(thm)],[f7,f6])).
% 0.08/0.36 % SZS output end CNFRefutation for theBenchmark.p
% 0.12/0.39 % Elapsed time: 0.040037 seconds
% 0.12/0.39 % CPU time: 0.096488 seconds
% 0.12/0.39 % Total memory used: 13.842 MB
% 0.12/0.39 % Net memory used: 13.280 MB
%------------------------------------------------------------------------------