%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SYN371+1 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n006.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 03:19:30 PM UTC 2026
% Result : Theorem 0.14s 0.81s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN371+1 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.77 % Computer : n006.cluster.edu
% 0.10/0.77 % Model : x86_64 x86_64
% 0.10/0.77 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.77 % Memory : 8046.5625MB
% 0.10/0.77 % OS : Linux 6.8.0-71-generic
% 0.10/0.78 % CPULimit : 300
% 0.10/0.78 % WCLimit : 300
% 0.10/0.78 % DateTime : Mon Sep 21 10:52:00 UTC 2026
% 0.10/0.78 % CPUTime :
% 0.10/0.79 % Drodi V4.1.1
% 0.14/0.81 % Refutation found
% 0.14/0.81 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.14/0.81 % SZS output start CNFRefutation for theBenchmark
% 0.14/0.81 fof(f1,conjecture,(
% 0.14/0.81 ( ( (? [X] : big_r(X,X))=> (! [Y] : big_r(Y,Y) ))=> (? [U] :(! [V] :( big_r(U,U)=> big_r(V,V) ) ))) ),
% 0.14/0.81 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.14/0.81 fof(f2,negated_conjecture,(
% 0.14/0.81 ~(( ( (? [X] : big_r(X,X))=> (! [Y] : big_r(Y,Y) ))=> (? [U] :(! [V] :( big_r(U,U)=> big_r(V,V) ) ))) )),
% 0.14/0.81 inference(negated_conjecture,[status(cth)],[f1])).
% 0.14/0.81 fof(f3,plain,(
% 0.14/0.81 (((![X]: ~big_r(X,X))|(![Y]: big_r(Y,Y)))&(![U]: ?[V]: (big_r(U,U)&~big_r(V,V))))),
% 0.14/0.81 inference(pre_NNF_transformation,[status(thm)],[f2])).
% 0.14/0.81 fof(f4,plain,(
% 0.14/0.81 ((![X]: ~big_r(X,X))|(![Y]: big_r(Y,Y)))&((![U]: big_r(U,U))&(?[V]: ~big_r(V,V)))),
% 0.14/0.81 inference(miniscoping,[status(thm)],[f3])).
% 0.14/0.81 fof(f5,plain,(
% 0.14/0.81 ((![X]: ~big_r(X,X))|(![Y]: big_r(Y,Y)))&((![U]: big_r(U,U))&~big_r(sK0_skl,sK0_skl))),
% 0.14/0.81 inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl]),skolemize(V,sK0_skl)],[f4])).
% 0.14/0.81 fof(f7,plain,(
% 0.14/0.81 ![X0]: (big_r(X0,X0))),
% 0.14/0.81 inference(cnf_transformation,[status(thm)],[f5])).
% 0.14/0.81 fof(f8,plain,(
% 0.14/0.81 ~big_r(sK0_skl,sK0_skl)),
% 0.14/0.81 inference(cnf_transformation,[status(thm)],[f5])).
% 0.14/0.81 fof(f9,plain,(
% 0.14/0.81 $false),
% 0.14/0.81 inference(forward_subsumption_resolution,[status(thm)],[f8,f7])).
% 0.14/0.81 % SZS output end CNFRefutation for theBenchmark.p
% 0.14/0.83 % Elapsed time: 0.049362 seconds
% 0.14/0.83 % CPU time: 0.136376 seconds
% 0.14/0.83 % Total memory used: 55.230 MB
% 0.14/0.83 % Net memory used: 54.545 MB
%------------------------------------------------------------------------------