%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : SYN081+1 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n018.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 09:21:15 AM UTC 2026
% Result : Theorem 9.44s 2.71s
% Output : CNFRefutation 9.44s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 2
% Syntax : Number of formulae : 9 ( 2 unt; 0 def)
% Number of atoms : 16 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 16 ( 9 ~; 4 |; 2 &)
% ( 1 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-1 aty)
% Number of functors : 1 ( 1 usr; 0 con; 1-1 aty)
% Number of variables : 8 ( 1 sgn 1 !; 2 ?)
% Comments :
%------------------------------------------------------------------------------
fof(pel59_1,axiom,
! [X0] :
( 'big$uf'(X0)
<=> ~ 'big$uf'(f(X0)) ) ).
fof(pel59,conjecture,
? [X0] :
( ~ 'big$uf'(f(X0))
& 'big$uf'(X0) ) ).
fof(negated_conjecture,negated_conjecture,
~ ? [X0] :
( ~ 'big$uf'(f(X0))
& 'big$uf'(X0) ),
inference(negate_conjecture,[status(cth)],[pel59]) ).
cnf(c0,plain,
( ~ 'big$uf'(f(X0))
| ~ 'big$uf'(X0) ),
inference(clausification,[status(esa)],[pel59_1]) ).
cnf(c1,plain,
( 'big$uf'(f(X0))
| 'big$uf'(X0) ),
inference(clausification,[status(esa)],[pel59_1]) ).
cnf(c2,plain,
( 'big$uf'(f(X0))
| ~ 'big$uf'(X0) ),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(d0,plain,
( ~ 'big$uf'(X0)
| ~ 'big$uf'(X0) ),
inference(resolution,[status(thm)],[c0,c2]) ).
cnf(d1,plain,
'big$uf'(f(X0)),
inference(resolution,[status(thm)],[d0,c1]) ).
cnf(d2,plain,
$false,
inference(resolution,[status(thm)],[d1,d0]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN081+1 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.37 % Computer : n018.cluster.edu
% 0.09/0.37 % Model : x86_64 x86_64
% 0.09/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.37 % Memory : 8046.5625MB
% 0.09/0.37 % OS : Linux 6.8.0-71-generic
% 0.09/0.37 % CPULimit : 300
% 0.09/0.37 % WCLimit : 300
% 0.09/0.37 % DateTime : Sat Sep 26 17:12:21 UTC 2026
% 0.09/0.37 % CPUTime :
% 0.09/0.37 Running casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 9.44/2.71 % SZS status Theorem for theBenchmark.p
% 9.44/2.71 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------