%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : CAT015-4 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n015.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 12:07:44 PM UTC 2026
% Result : Satisfiable 0.13s 0.38s
% Output : Saturation 0.13s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X,Y] :
( there_exists(X)
| ~ equivalent(X,Y) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f12,axiom,
! [X,Y] :
( there_exists(Y)
| there_exists(X)
| X = Y ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f13,negated_conjecture,
! [X] : ~ there_exists(X),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f14,plain,
! [X] :
( there_exists(X)
| ! [Y] : ~ equivalent(X,Y) ),
inference(miniscoping,[status(thm)],[f1]) ).
fof(f15,plain,
! [X0,X1] :
( there_exists(X0)
| ~ equivalent(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f14]) ).
fof(f27,plain,
! [Y] :
( there_exists(Y)
| ! [X] :
( there_exists(X)
| X = Y ) ),
inference(miniscoping,[status(thm)],[f12]) ).
fof(f28,plain,
! [X0,X1] :
( there_exists(X1)
| there_exists(X0)
| X0 = X1 ),
inference(cnf_transformation,[status(thm)],[f27]) ).
fof(f29,plain,
! [X0] : ~ there_exists(X0),
inference(cnf_transformation,[status(thm)],[f13]) ).
fof(f31,plain,
! [X0,X1] :
( there_exists(X1)
| X0 = X1 ),
inference(forward_subsumption_resolution,[status(thm)],[f28,f29]) ).
fof(f32,plain,
! [X0,X1] : X0 = X1,
inference(resolution,[status(thm)],[f31,f29]) ).
fof(f33,plain,
! [X0,X1] : ~ equivalent(X0,X1),
inference(forward_subsumption_resolution,[status(thm)],[f15,f29]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : CAT015-4 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.35 % Computer : n015.cluster.edu
% 0.08/0.35 % Model : x86_64 x86_64
% 0.08/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.35 % Memory : 8046.5625MB
% 0.08/0.35 % OS : Linux 6.8.0-71-generic
% 0.08/0.35 % CPULimit : 300
% 0.08/0.35 % WCLimit : 300
% 0.08/0.35 % DateTime : Mon Sep 21 13:59:36 UTC 2026
% 0.08/0.35 % CPUTime :
% 0.08/0.36 % Drodi V4.1.1
% 0.13/0.38 % SZS status Satisfiable for theBenchmark: Theory is satisfiable
% 0.13/0.38 % SZS output start Saturation for theBenchmark
% See solution above
% 0.13/0.41 % Elapsed time: 0.053149 seconds
% 0.13/0.41 % CPU time: 0.141574 seconds
% 0.13/0.41 % Total memory used: 101.389 MB
% 0.13/0.41 % Net memory used: 100.814 MB
%------------------------------------------------------------------------------