%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : SYN727+1 : TPTP v9.3.1. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n017.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 09:29:27 AM UTC 2026
% Result : Theorem 9.67s 1.65s
% Output : CNFRefutation 9.67s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 1
% Syntax : Number of formulae : 7 ( 4 unt; 0 def)
% Number of atoms : 14 ( 0 equ)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 10 ( 3 ~; 1 |; 2 &)
% ( 0 <=>; 4 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-1 aty)
% Number of variables : 15 ( 3 sgn 6 !; 4 ?)
% Comments :
%------------------------------------------------------------------------------
fof(thm68,conjecture,
( ( ! [X1] :
( ? [X2] : likes(X1,X2)
=> likes(lyle,X1) )
& ! [X0] : likes(X0,bruce) )
=> ? [X3] :
! [X4] : likes(X3,X4) ) ).
fof(negated_conjecture,negated_conjecture,
~ ( ( ! [X1] :
( ? [X2] : likes(X1,X2)
=> likes(lyle,X1) )
& ! [X0] : likes(X0,bruce) )
=> ? [X3] :
! [X4] : likes(X3,X4) ),
inference(negate_conjecture,[status(cth)],[thm68]) ).
cnf(c0,plain,
likes(X0,bruce),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c1,plain,
( likes(lyle,X0)
| ~ likes(X0,X1) ),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c2,plain,
~ likes(X0,sK4(X0)),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(d0,plain,
likes(lyle,X0),
inference(resolution,[status(thm)],[c1,c0]) ).
cnf(d1,plain,
$false,
inference(resolution,[status(thm)],[c2,d0]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SYN727+1 : TPTP v9.3.1. Released v2.5.0.
% 0.00/0.03 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.35 % Computer : n017.cluster.edu
% 0.10/0.35 % Model : x86_64 x86_64
% 0.10/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.35 % Memory : 8046.5625MB
% 0.10/0.35 % OS : Linux 6.8.0-71-generic
% 0.10/0.35 % CPULimit : 300
% 0.10/0.35 % WCLimit : 300
% 0.10/0.35 % DateTime : Sat Sep 26 18:17:48 UTC 2026
% 0.10/0.35 % CPUTime :
% 0.10/0.35 Running casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 9.67/1.65 % SZS status Theorem for theBenchmark.p
% 9.67/1.65 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------