%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : NUN067+1 : TPTP v9.3.1. Released v7.3.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n001.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 08:18:54 AM UTC 2026
% Result : Theorem 13.61s 2.21s
% Output : CNFRefutation 13.61s
% Verified :
% SZS Type : Refutation
% Derivation depth : 13
% Number of leaves : 7
% Syntax : Number of formulae : 27 ( 10 unt; 0 def)
% Number of atoms : 56 ( 0 equ)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 62 ( 33 ~; 23 |; 6 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 1 con; 0-1 aty)
% Number of variables : 48 ( 12 sgn 15 !; 4 ?)
% Comments :
%------------------------------------------------------------------------------
fof(axiom_1,axiom,
? [X0] :
! [X1] :
( ( ~ id(X1,X0)
& ~ r1(X1) )
| ( r1(X1)
& id(X1,X0) ) ) ).
fof(axiom_2,axiom,
! [X0] :
? [X1] :
! [X2] :
( ( ~ id(X2,X1)
& ~ r2(X0,X2) )
| ( r2(X0,X2)
& id(X2,X1) ) ) ).
fof(axiom_6,axiom,
! [X0,X1] :
( id(X1,X0)
| ~ id(X0,X1) ) ).
fof(axiom_7,axiom,
! [X0,X1,X2] :
( ~ id(X1,X2)
| id(X0,X2)
| ~ id(X0,X1) ) ).
fof(axiom_8,axiom,
! [X0,X1] :
( ( r1(X1)
& r1(X0) )
| ( ~ r1(X1)
& ~ r1(X0) )
| ~ id(X0,X1) ) ).
fof(axiom_7a,axiom,
! [X0,X1] :
( ~ r2(X0,X1)
| ! [X2] :
( ~ r1(X2)
| ~ id(X2,X1) ) ) ).
fof(nonzerosexistid,conjecture,
? [X0] :
! [X1] :
( ~ r1(X1)
| ~ id(X0,X1) ) ).
fof(negated_conjecture,negated_conjecture,
~ ? [X0] :
! [X1] :
( ~ r1(X1)
| ~ id(X0,X1) ),
inference(negate_conjecture,[status(cth)],[nonzerosexistid]) ).
cnf(c0,plain,
( ~ r1(X0)
| id(X0,sK0) ),
inference(clausification,[status(esa)],[axiom_1]) ).
cnf(c7,plain,
( ~ id(X1,sK3(X0))
| r2(X0,X1) ),
inference(clausification,[status(esa)],[axiom_2]) ).
cnf(c17,plain,
( id(X1,X0)
| ~ id(X0,X1) ),
inference(clausification,[status(esa)],[axiom_6]) ).
cnf(c18,plain,
( ~ id(X1,X2)
| id(X0,X2)
| ~ id(X0,X1) ),
inference(clausification,[status(esa)],[axiom_7]) ).
cnf(c20,plain,
( r1(X1)
| ~ r1(X0)
| ~ id(X0,X1) ),
inference(clausification,[status(esa)],[axiom_8]) ).
cnf(c57,plain,
( ~ r2(X2,X1)
| ~ r1(X0)
| ~ id(X0,X1) ),
inference(clausification,[status(esa)],[axiom_7a]) ).
cnf(c58,plain,
id(X0,sK68(X0)),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c59,plain,
r1(sK68(X0)),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(d0,plain,
id(sK68(X0),X0),
inference(resolution,[status(thm)],[c17,c58]) ).
cnf(d1,plain,
( ~ r1(sK68(X0))
| r1(X0) ),
inference(resolution,[status(thm)],[c20,d0]) ).
cnf(d2,plain,
r1(X0),
inference(resolution,[status(thm)],[c59,d1]) ).
cnf(d3,plain,
id(X0,sK0),
inference(resolution,[status(thm)],[d2,c0]) ).
cnf(d4,plain,
id(sK0,X0),
inference(resolution,[status(thm)],[d3,c17]) ).
cnf(d5,plain,
( ~ id(X0,sK0)
| id(X0,X1) ),
inference(resolution,[status(thm)],[d4,c18]) ).
cnf(d6,plain,
id(X0,X1),
inference(resolution,[status(thm)],[d3,d5]) ).
cnf(d7,plain,
r2(X0,X1),
inference(resolution,[status(thm)],[d6,c7]) ).
cnf(d8,plain,
( ~ id(X0,X1)
| ~ r1(X0) ),
inference(resolution,[status(thm)],[d7,c57]) ).
cnf(d9,plain,
~ r1(X0),
inference(resolution,[status(thm)],[d6,d8]) ).
cnf(d10,plain,
$false,
inference(resolution,[status(thm)],[d2,d9]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NUN067+1 : TPTP v9.3.1. Released v7.3.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.35 % Computer : n001.cluster.edu
% 0.08/0.35 % Model : x86_64 x86_64
% 0.08/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.35 % Memory : 8046.5625MB
% 0.08/0.35 % OS : Linux 6.8.0-71-generic
% 0.08/0.36 % CPULimit : 300
% 0.08/0.36 % WCLimit : 300
% 0.08/0.36 % DateTime : Sat Sep 26 04:35:42 UTC 2026
% 0.08/0.36 % CPUTime :
% 0.08/0.36 Running casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 13.61/2.21 % SZS status Theorem for theBenchmark.p
% 13.61/2.21 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------