%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : MSC019+1 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 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 : Sun Sep 27 08:04:11 AM UTC 2026
% Result : Theorem 18.00s 13.04s
% Output : CNFRefutation 18.00s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 4
% Syntax : Number of formulae : 12 ( 9 unt; 0 def)
% Number of atoms : 17 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 10 ( 5 ~; 3 |; 1 &)
% ( 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 : 3 ( 3 usr; 3 con; 0-0 aty)
% Number of variables : 7 ( 0 sgn 3 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(kb18,axiom,
's$ucontains'('s$ug019','s$ug013') ).
fof(kb74,axiom,
's$ucontains'('s$ug013','s$uMX') ).
fof(axiom1,axiom,
! [X0,X1,X2] :
( ( 's$ucontains'(X1,X2)
& 's$ucontains'(X0,X1) )
=> 's$ucontains'(X0,X2) ) ).
fof(mexico_in_america_1,conjecture,
's$ucontains'('s$ug019','s$uMX') ).
fof(negated_conjecture,negated_conjecture,
~ 's$ucontains'('s$ug019','s$uMX'),
inference(negate_conjecture,[status(cth)],[mexico_in_america_1]) ).
cnf(c18,plain,
's$ucontains'('s$ug019','s$ug013'),
inference(clausification,[status(esa)],[kb18]) ).
cnf(c74,plain,
's$ucontains'('s$ug013','s$uMX'),
inference(clausification,[status(esa)],[kb74]) ).
cnf(c600,plain,
( 's$ucontains'(X0,X2)
| ~ 's$ucontains'(X1,X2)
| ~ 's$ucontains'(X0,X1) ),
inference(clausification,[status(esa)],[axiom1]) ).
cnf(c603,plain,
~ 's$ucontains'('s$ug019','s$uMX'),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(d0,plain,
( ~ 's$ucontains'(X0,'s$ug013')
| 's$ucontains'(X0,'s$uMX') ),
inference(resolution,[status(thm)],[c600,c74]) ).
cnf(d1,plain,
's$ucontains'('s$ug019','s$uMX'),
inference(resolution,[status(thm)],[d0,c18]) ).
cnf(d2,plain,
$false,
inference(resolution,[status(thm)],[c603,d1]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : MSC019+1 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/10.38 % Computer : n019.cluster.edu
% 0.09/10.38 % Model : x86_64 x86_64
% 0.09/10.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/10.38 % Memory : 8046.5625MB
% 0.09/10.38 % OS : Linux 6.8.0-71-generic
% 0.09/10.38 % CPULimit : 300
% 0.09/10.38 % WCLimit : 300
% 0.09/10.38 % DateTime : Sat Sep 26 00:17:01 UTC 2026
% 0.09/10.39 % CPUTime :
% 0.09/10.39 Running casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 18.00/13.04 % SZS status Theorem for theBenchmark.p
% 18.00/13.04 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------