%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : PUZ060+1 : TPTP v9.3.1. Released v3.1.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n009.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 08:22:13 AM UTC 2026
% Result : Theorem 7.33s 1.71s
% Output : CNFRefutation 7.33s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 1
% Syntax : Number of formulae : 13 ( 6 unt; 0 def)
% Number of atoms : 46 ( 0 equ)
% Maximal formula atoms : 14 ( 3 avg)
% Number of connectives : 43 ( 10 ~; 7 |; 16 &)
% ( 0 <=>; 10 =>; 0 <=; 0 <~>)
% Maximal formula depth : 19 ( 5 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 6 ( 5 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 3 con; 0-0 aty)
% Number of variables : 31 ( 1 sgn 22 !; 2 ?)
% Comments :
%------------------------------------------------------------------------------
fof(prove_this,conjecture,
! [X0,X1,X2,X3,X4,X5] :
( ( ! [X7] :
( alive(X7)
=> ! [X6] : 'not$ukilled$uby'(X7,X6) )
& ! [X6] :
( eats(X2,X6)
=> eats(X3,X6) )
& alive(X2)
& eats(X2,X0)
& ! [X6] :
( ? [X7] :
( 'not$ukilled$uby'(X7,X6)
& eats(X7,X6) )
=> food(X6) )
& food(X5)
& food(X4)
& ! [X6] :
( food(X6)
=> likes(X1,X6) ) )
=> likes(X1,X0) ) ).
fof(negated_conjecture,negated_conjecture,
~ ! [X0,X1,X2,X3,X4,X5] :
( ( ! [X7] :
( alive(X7)
=> ! [X6] : 'not$ukilled$uby'(X7,X6) )
& ! [X6] :
( eats(X2,X6)
=> eats(X3,X6) )
& alive(X2)
& eats(X2,X0)
& ! [X6] :
( ? [X7] :
( 'not$ukilled$uby'(X7,X6)
& eats(X7,X6) )
=> food(X6) )
& food(X5)
& food(X4)
& ! [X6] :
( food(X6)
=> likes(X1,X6) ) )
=> likes(X1,X0) ),
inference(negate_conjecture,[status(cth)],[prove_this]) ).
cnf(c0,plain,
( likes(sK1,X0)
| ~ food(X0) ),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c3,plain,
( food(X1)
| ~ 'not$ukilled$uby'(X0,X1)
| ~ eats(X0,X1) ),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c4,plain,
eats(sK2,sK0),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c5,plain,
alive(sK2),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c7,plain,
( 'not$ukilled$uby'(X0,X1)
| ~ alive(X0) ),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c8,plain,
~ likes(sK1,sK0),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(d0,plain,
( ~ eats(X0,X1)
| food(X1)
| ~ alive(X0) ),
inference(resolution,[status(thm)],[c7,c3]) ).
cnf(d1,plain,
( ~ alive(sK2)
| food(sK0) ),
inference(resolution,[status(thm)],[d0,c4]) ).
cnf(d2,plain,
food(sK0),
inference(resolution,[status(thm)],[c5,d1]) ).
cnf(d3,plain,
~ food(sK0),
inference(resolution,[status(thm)],[c8,c0]) ).
cnf(d4,plain,
$false,
inference(resolution,[status(thm)],[d3,d2]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ060+1 : TPTP v9.3.1. Released v3.1.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.36 % Computer : n009.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Sat Sep 26 05:10:59 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.37 Running casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 7.33/1.71 % SZS status Theorem for theBenchmark.p
% 7.33/1.71 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------