%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : MGT115+1 : TPTP v9.3.1. Released v9.3.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox2/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 01:25:37 PM UTC 2026
% Result : Theorem 0.13s 0.58s
% Output : CNFRefutation 0.13s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 3
% Syntax : Number of formulae : 10 ( 7 unt; 0 def)
% Number of atoms : 13 ( 12 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 10 ( 7 ~; 2 |; 0 &)
% ( 0 <=>; 1 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-1 aty)
% Number of variables : 6 ( 6 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [A,B] :
( issue(A) = issue(B)
=> A = B ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f4,axiom,
pi1 != pi2,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f5,conjecture,
issue(pi1) != issue(pi2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f6,negated_conjecture,
~ ( issue(pi1) != issue(pi2) ),
inference(negated_conjecture,[status(cth)],[f5]) ).
fof(f7,plain,
! [A,B] :
( A = B
| issue(A) != issue(B) ),
inference(pre_NNF_transformation,[status(thm)],[f1]) ).
fof(f8,plain,
! [X0,X1] :
( X0 = X1
| issue(X0) != issue(X1) ),
inference(cnf_transformation,[status(thm)],[f7]) ).
fof(f11,plain,
pi1 != pi2,
inference(cnf_transformation,[status(thm)],[f4]) ).
fof(f12,plain,
issue(pi1) = issue(pi2),
inference(cnf_transformation,[status(thm)],[f6]) ).
fof(f14,plain,
pi1 = pi2,
inference(resolution,[status(thm)],[f12,f8]) ).
fof(f18,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f14,f11]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : MGT115+1 : TPTP v9.3.1. Released v9.3.0.
% 0.00/0.03 % Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.54 % Computer : n019.cluster.edu
% 0.08/0.54 % Model : x86_64 x86_64
% 0.08/0.54 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.54 % Memory : 8046.5625MB
% 0.08/0.54 % OS : Linux 6.8.0-71-generic
% 0.08/0.54 % CPULimit : 300
% 0.08/0.55 % WCLimit : 300
% 0.08/0.55 % DateTime : Mon Sep 21 01:26:50 UTC 2026
% 0.08/0.55 % CPUTime :
% 0.08/0.56 % Drodi V4.1.1
% 0.13/0.58 % Refutation found
% 0.13/0.58 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.13/0.58 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.13/0.60 % Elapsed time: 0.049347 seconds
% 0.13/0.60 % CPU time: 0.142180 seconds
% 0.13/0.60 % Total memory used: 66.222 MB
% 0.13/0.60 % Net memory used: 65.539 MB
%------------------------------------------------------------------------------