%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SYN336+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 : n002.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 03:19:23 PM UTC 2026
% Result : Theorem 0.10s 0.36s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN336+1 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.03 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.35 % Computer : n002.cluster.edu
% 0.10/0.35 % Model : x86_64 x86_64
% 0.10/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.35 % Memory : 8046.5625MB
% 0.10/0.35 % OS : Linux 6.8.0-71-generic
% 0.10/0.35 % CPULimit : 300
% 0.10/0.35 % WCLimit : 300
% 0.10/0.35 % DateTime : Mon Sep 21 10:52:33 UTC 2026
% 0.10/0.35 % CPUTime :
% 0.10/0.35 % Drodi V4.1.1
% 0.10/0.36 % Refutation found
% 0.10/0.36 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.10/0.36 % SZS output start CNFRefutation for theBenchmark
% 0.10/0.36 fof(f1,conjecture,(
% 0.10/0.36 (! [X] :(? [Y1,Y2] :(! [Z] :( big_f(X,Z)=> ( big_f(Y1,Z)=> ( big_f(Y2,Z)=> ( big_f(Y1,X)=> big_f(Z,Y2) ) ) ) ) )))),
% 0.10/0.36 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/0.36 fof(f2,negated_conjecture,(
% 0.10/0.36 ~((! [X] :(? [Y1,Y2] :(! [Z] :( big_f(X,Z)=> ( big_f(Y1,Z)=> ( big_f(Y2,Z)=> ( big_f(Y1,X)=> big_f(Z,Y2) ) ) ) ) ))))),
% 0.10/0.36 inference(negated_conjecture,[status(cth)],[f1])).
% 0.10/0.36 fof(f3,plain,(
% 0.10/0.36 (?[X]: ![Y1,Y2]: ?[Z]: (big_f(X,Z)&(big_f(Y1,Z)&(big_f(Y2,Z)&(big_f(Y1,X)&~big_f(Z,Y2))))))),
% 0.10/0.36 inference(pre_NNF_transformation,[status(thm)],[f2])).
% 0.10/0.36 fof(f4,plain,(
% 0.10/0.36 ![Y1,Y2]: (big_f(sK0_skl,sK1_skl(Y2,Y1))&(big_f(Y1,sK1_skl(Y2,Y1))&(big_f(Y2,sK1_skl(Y2,Y1))&(big_f(Y1,sK0_skl)&~big_f(sK1_skl(Y2,Y1),Y2)))))),
% 0.10/0.36 inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl,sK1_skl]),skolemize(X,sK0_skl),skolemize(Z,sK1_skl(Y2,Y1))],[f3])).
% 0.10/0.36 fof(f8,plain,(
% 0.10/0.36 ![X0]: (big_f(X0,sK0_skl))),
% 0.10/0.36 inference(cnf_transformation,[status(thm)],[f4])).
% 0.10/0.36 fof(f9,plain,(
% 0.10/0.36 ![X0,X1]: (~big_f(sK1_skl(X0,X1),X0))),
% 0.10/0.36 inference(cnf_transformation,[status(thm)],[f4])).
% 0.10/0.36 fof(f10,plain,(
% 0.10/0.36 $false),
% 0.10/0.36 inference(resolution,[status(thm)],[f9,f8])).
% 0.10/0.36 % SZS output end CNFRefutation for theBenchmark.p
% 0.14/0.40 % Elapsed time: 0.042859 seconds
% 0.14/0.40 % CPU time: 0.029019 seconds
% 0.14/0.40 % Total memory used: 1.030 MB
% 0.14/0.40 % Net memory used: 998.096 KB
%------------------------------------------------------------------------------