%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : KRS178+1 : TPTP v9.3.1. Bugfixed v5.4.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n002.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 07:45:19 AM UTC 2026
% Result : Theorem 11.66s 3.31s
% Output : CNFRefutation 11.66s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 2
% Syntax : Number of formulae : 8 ( 4 unt; 0 def)
% Number of atoms : 13 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 8 ( 3 ~; 3 |; 0 &)
% ( 1 <=>; 1 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-3 aty)
% Number of functors : 3 ( 3 usr; 1 con; 0-2 aty)
% Number of variables : 11 ( 0 sgn 6 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(isa,axiom,
! [X0,X1] :
( ! [X2,X3] :
( status(X2,X3,X0)
=> status(X2,X3,X1) )
<=> isa(X0,X1) ) ).
fof(isa_reflexive,conjecture,
! [X0] : isa(X0,X0) ).
fof(negated_conjecture,negated_conjecture,
~ ! [X0] : isa(X0,X0),
inference(negate_conjecture,[status(cth)],[isa_reflexive]) ).
cnf(c3,plain,
( isa(X0,X1)
| status(sK8(X0,X1),sK9(X0,X1),X0) ),
inference(clausification,[status(esa)],[isa]) ).
cnf(c4,plain,
( isa(X0,X1)
| ~ status(sK8(X0,X1),sK9(X0,X1),X1) ),
inference(clausification,[status(esa)],[isa]) ).
cnf(c39,plain,
~ isa(sK55,sK55),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(d0,plain,
( isa(X0,X0)
| isa(X0,X0) ),
inference(resolution,[status(thm)],[c4,c3]) ).
cnf(d1,plain,
$false,
inference(resolution,[status(thm)],[d0,c39]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : KRS178+1 : TPTP v9.3.1. Bugfixed v5.4.0.
% 0.00/0.03 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.06/0.38 % Computer : n002.cluster.edu
% 0.06/0.38 % Model : x86_64 x86_64
% 0.06/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.06/0.38 % Memory : 8046.5625MB
% 0.06/0.38 % OS : Linux 6.8.0-71-generic
% 0.06/0.38 % CPULimit : 300
% 0.06/0.38 % WCLimit : 300
% 0.06/0.38 % DateTime : Fri Sep 25 19:46:05 UTC 2026
% 0.06/0.38 % CPUTime :
% 0.06/0.38 Running casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 11.66/3.31 % SZS status Theorem for theBenchmark.p
% 11.66/3.31 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------