%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : MGT049-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n007.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 01:25:27 PM UTC 2026
% Result : Unsatisfiable 0.12s 0.38s
% Output : CNFRefutation 0.12s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 4
% Syntax : Number of formulae : 12 ( 6 unt; 0 def)
% Number of atoms : 20 ( 11 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 18 ( 10 ~; 8 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 20 ( 20 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f13,axiom,
! [A,B,C] :
( position(A,B) = position(A,C)
| external_ties(A,B) != external_ties(A,C)
| ~ organization(A) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f14,axiom,
! [A,B,C] :
( external_ties(A,B) = external_ties(A,C)
| ~ organization(A) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f15,negated_conjecture,
organization(sk1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f17,negated_conjecture,
position(sk1,sk3) != position(sk1,sk2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f31,plain,
! [X0,X1,X2] :
( position(X0,X1) = position(X0,X2)
| external_ties(X0,X1) != external_ties(X0,X2)
| ~ organization(X0) ),
inference(cnf_transformation,[status(thm)],[f13]) ).
fof(f32,plain,
! [A] :
( ! [B,C] : external_ties(A,B) = external_ties(A,C)
| ~ organization(A) ),
inference(miniscoping,[status(thm)],[f14]) ).
fof(f33,plain,
! [X0,X1,X2] :
( external_ties(X0,X1) = external_ties(X0,X2)
| ~ organization(X0) ),
inference(cnf_transformation,[status(thm)],[f32]) ).
fof(f34,plain,
organization(sk1),
inference(cnf_transformation,[status(thm)],[f15]) ).
fof(f36,plain,
position(sk1,sk3) != position(sk1,sk2),
inference(cnf_transformation,[status(thm)],[f17]) ).
fof(f42,plain,
! [X0,X1,X2] :
( position(X0,X1) = position(X0,X2)
| ~ organization(X0) ),
inference(forward_subsumption_resolution,[status(thm)],[f31,f33]) ).
fof(f43,plain,
! [X0,X1] : position(sk1,X0) = position(sk1,X1),
inference(resolution,[status(thm)],[f42,f34]) ).
fof(f63,plain,
$false,
inference(backward_subsumption_resolution,[status(thm)],[f36,f43]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : MGT049-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.03 % Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.35 % Computer : n007.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 01:21:37 UTC 2026
% 0.08/0.35 % CPUTime :
% 0.08/0.36 % Drodi V4.1.1
% 0.12/0.38 % Refutation found
% 0.12/0.38 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.12/0.38 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.12/0.41 % Elapsed time: 0.051828 seconds
% 0.12/0.41 % CPU time: 0.146395 seconds
% 0.12/0.41 % Total memory used: 80.083 MB
% 0.12/0.41 % Net memory used: 79.725 MB
%------------------------------------------------------------------------------