%------------------------------------------------------------------------------
% File : Prover9---2026-6A
% Problem : MGT103+1 : TPTP v9.3.1. Bugfixed v9.3.1.
% Transfm : none
% Format : tptp:raw
% Command : prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n010.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 : Sun Sep 27 08:03:07 AM UTC 2026
% Result : Unsatisfiable 0.23s 0.69s
% Output : CNFRefutation 0.23s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 3
% Syntax : Number of formulae : 10 ( 6 unt; 0 def)
% Number of atoms : 16 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 11 ( 5 ~; 3 |; 2 &)
% ( 0 <=>; 1 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 2 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 2 ( 2 usr; 2 con; 0-0 aty)
% Number of variables : 9 ( 0 sgn 4 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(irreflexive,axiom,
! [X] : ~ less(X,X),
file('theBenchmark.p',irreflexive) ).
fof(transitive,axiom,
! [X,Y,Z] :
( ( less(Y,Z)
& less(X,Y) )
=> less(X,Z) ),
file('theBenchmark.p',transitive) ).
fof(contradiction,axiom,
( less(v600,v800)
& less(v800,v600) ),
file('theBenchmark.p',contradiction) ).
cnf(c_44,plain,
less(v600,v800),
inference(clausify,[status(thm)],[contradiction]) ).
cnf(c_45,plain,
less(v800,v600),
inference(clausify,[status(thm)],[contradiction]) ).
cnf(c_84,plain,
( less(A,C)
| ~ less(B,C)
| ~ less(A,B) ),
inference(clausify,[status(thm)],[transitive]) ).
cnf(c_85,plain,
~ less(A,A),
inference(clausify,[status(thm)],[irreflexive]) ).
cnf(c_152,plain,
( less(v800,A)
| ~ less(v600,A) ),
inference(resolve,[status(thm)],[c_84,c_45]) ).
cnf(c_153,plain,
less(v800,v800),
inference(resolve,[status(thm)],[c_152,c_44]) ).
cnf(c_151,plain,
$false,
inference(resolve,[status(thm)],[c_85,c_153]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : MGT103+1 : TPTP v9.3.1. Bugfixed v9.3.1.
% 0.00/0.07 % Command : prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.65 % Computer : n010.cluster.edu
% 0.19/0.65 % Model : x86_64 x86_64
% 0.19/0.65 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.19/0.65 % Memory : 8046.5625MB
% 0.19/0.65 % OS : Linux 6.8.0-71-generic
% 0.19/0.65 % CPULimit : 300
% 0.19/0.65 % WCLimit : 300
% 0.19/0.65 % DateTime : Sat Sep 26 00:13:47 UTC 2026
% 0.23/0.66 % CPUTime :
% 0.23/0.66 % Prover9 (64) version 2026-6A, July 2026, CASC-J13.
% 0.23/0.66 % Process 2006012 was started by sandbox on n010,
% 0.23/0.66 % Sat Sep 26 00:13:47 2026
% 0.23/0.66 % The command was "/export/starexec/sandbox/solver/bin/prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p".
% 0.23/0.67
% 0.23/0.67 % From the command line: assign(max_seconds, 300).
% 0.23/0.69
% 0.23/0.69 % SZS status Unsatisfiable for theBenchmark
% 0.23/0.69
% 0.23/0.69 % Proof 1 at 0.01 (+ 0.00) seconds.
% 0.23/0.69 % Length of proof is 8.
% 0.23/0.69 % Level of proof is 2.
% 0.23/0.69 % Maximum clause weight is 14.000.
% 0.23/0.69 % Given clauses 33.
% 0.23/0.69
% 0.23/0.69 % SZS output start CNFRefutation for theBenchmark
% See solution above
%------------------------------------------------------------------------------