%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : SET025-4 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n019.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 02:11:15 PM UTC 2026
% Result : Unsatisfiable 0.17s 0.50s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SET025-4 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.06 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.17/0.44 % Computer : n019.cluster.edu
% 0.17/0.44 % Model : x86_64 x86_64
% 0.17/0.44 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/0.44 % Memory : 8046.5625MB
% 0.17/0.44 % OS : Linux 6.8.0-71-generic
% 0.17/0.44 % CPULimit : 300
% 0.17/0.44 % WCLimit : 300
% 0.17/0.44 % DateTime : Mon Sep 21 04:43:49 UTC 2026
% 0.17/0.45 % CPUTime :
% 0.17/0.46 % Drodi V4.1.1
% 0.17/0.50 % Refutation found
% 0.17/0.50 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.17/0.50 % SZS output start CNFRefutation for theBenchmark
% 0.17/0.50 fof(f8,axiom,(
% 0.17/0.50 (![X,Y]: (little_set(non_ordered_pair(X,Y)) ))),
% 0.17/0.50 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.17/0.50 fof(f10,axiom,(
% 0.17/0.50 (![X,Y]: (ordered_pair(X,Y) = non_ordered_pair(singleton_set(X),non_ordered_pair(X,Y)) ))),
% 0.17/0.50 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.17/0.50 fof(f142,negated_conjecture,(
% 0.17/0.50 ~ little_set(ordered_pair(a,b)) ),
% 0.17/0.50 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.17/0.50 fof(f154,plain,(
% 0.17/0.50 ![X0,X1]: (little_set(non_ordered_pair(X0,X1)))),
% 0.17/0.50 inference(cnf_transformation,[status(thm)],[f8])).
% 0.17/0.50 fof(f156,plain,(
% 0.17/0.50 ![X0,X1]: (ordered_pair(X0,X1)=non_ordered_pair(singleton_set(X0),non_ordered_pair(X0,X1)))),
% 0.17/0.50 inference(cnf_transformation,[status(thm)],[f10])).
% 0.17/0.50 fof(f320,plain,(
% 0.17/0.50 ~little_set(ordered_pair(a,b))),
% 0.17/0.50 inference(cnf_transformation,[status(thm)],[f142])).
% 0.17/0.50 fof(f523,plain,(
% 0.17/0.50 ![X0,X1]: (little_set(ordered_pair(X0,X1)))),
% 0.17/0.50 inference(paramodulation,[status(thm)],[f156,f154])).
% 0.17/0.50 fof(f593,plain,(
% 0.17/0.50 $false),
% 0.17/0.50 inference(backward_subsumption_resolution,[status(thm)],[f320,f523])).
% 0.17/0.50 % SZS output end CNFRefutation for theBenchmark.p
% 0.17/0.52 % Elapsed time: 0.066908 seconds
% 0.17/0.52 % CPU time: 0.091109 seconds
% 0.17/0.52 % Total memory used: 3.492 MB
% 0.17/0.52 % Net memory used: 3.487 MB
%------------------------------------------------------------------------------