%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : SWC331+1 : TPTP v9.3.1. Released v2.4.0.
% 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 08:55:00 AM UTC 2026
% Result : Theorem 23.34s 8.84s
% Output : CNFRefutation 23.34s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 4
% Syntax : Number of formulae : 29 ( 13 unt; 0 def)
% Number of atoms : 97 ( 27 equ)
% Maximal formula atoms : 18 ( 3 avg)
% Number of connectives : 112 ( 44 ~; 40 |; 14 &)
% ( 1 <=>; 13 =>; 0 <=; 0 <~>)
% Maximal formula depth : 24 ( 4 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 6 ( 4 usr; 1 prp; 0-2 aty)
% Number of functors : 8 ( 8 usr; 6 con; 0-2 aty)
% Number of variables : 34 ( 0 sgn 13 !; 8 ?)
% Comments :
%------------------------------------------------------------------------------
fof(ax7,axiom,
! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ( segmentP(X0,X1)
<=> ? [X2] :
( ? [X3] :
( app(app(X2,X1),X3) = X0
& ssList(X3) )
& ssList(X2) ) ) ) ) ).
fof(ax17,axiom,
ssList(nil) ).
fof(ax28,axiom,
! [X0] :
( ssList(X0)
=> app(nil,X0) = X0 ) ).
fof(co1,conjecture,
! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ! [X2] :
( ssList(X2)
=> ! [X3] :
( ssList(X3)
=> ( ( equalelemsP(X0)
& segmentP(X1,X0) )
| ( nil = X2
& nil != X3 )
| ! [X4] :
( ssList(X4)
=> ( ? [X5] :
( ? [X6] :
( ? [X7] :
( app(X7,cons(X5,nil)) = X2
& ssList(X7) )
& app(cons(X5,nil),X6) = X4
& ssList(X6) )
& ssItem(X5) )
| ~ equalelemsP(X2)
| app(X2,X4) != X3 ) )
| X0 != X2
| X1 != X3 ) ) ) ) ) ).
fof(negated_conjecture,negated_conjecture,
~ ! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ! [X2] :
( ssList(X2)
=> ! [X3] :
( ssList(X3)
=> ( ( equalelemsP(X0)
& segmentP(X1,X0) )
| ( nil = X2
& nil != X3 )
| ! [X4] :
( ssList(X4)
=> ( ? [X5] :
( ? [X6] :
( ? [X7] :
( app(X7,cons(X5,nil)) = X2
& ssList(X7) )
& app(cons(X5,nil),X6) = X4
& ssList(X6) )
& ssItem(X5) )
| ~ equalelemsP(X2)
| app(X2,X4) != X3 ) )
| X0 != X2
| X1 != X3 ) ) ) ) ),
inference(negate_conjecture,[status(cth)],[co1]) ).
cnf(c21,plain,
( ~ ssList(X2)
| ~ ssList(X0)
| ~ ssList(X3)
| app(app(X2,X1),X3) != X0
| ~ ssList(X1)
| segmentP(X0,X1) ),
inference(clausification,[status(esa)],[ax7]) ).
cnf(c97,plain,
ssList(nil),
inference(clausification,[status(esa)],[ax17]) ).
cnf(c111,plain,
( app(nil,X0) = X0
| ~ ssList(X0) ),
inference(clausification,[status(esa)],[ax28]) ).
cnf(c210,plain,
ssList(sK255),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c211,plain,
ssList(sK256),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c212,plain,
sK254 = sK256,
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c213,plain,
sK253 = sK255,
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c214,plain,
ssList(sK257),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c215,plain,
app(sK255,sK257) = sK256,
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c216,plain,
equalelemsP(sK255),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c219,plain,
( ~ equalelemsP(sK253)
| ~ segmentP(sK254,sK253) ),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(d0,plain,
app(nil,sK255) = sK255,
inference(resolution,[status(thm)],[c111,c210]) ).
cnf(d1,plain,
( segmentP(X1,sK255)
| ~ ssList(nil)
| ~ ssList(sK255)
| ~ ssList(X0)
| ~ ssList(X1)
| app(sK255,X0) != X1 ),
inference(superposition,[status(thm)],[d0,c21]) ).
cnf(d2,plain,
( segmentP(X1,sK255)
| ~ ssList(nil)
| ~ ssList(X0)
| ~ ssList(X1)
| app(sK255,X0) != X1 ),
inference(resolution,[status(thm)],[c210,d1]) ).
cnf(d3,plain,
( segmentP(X1,sK255)
| ~ ssList(X0)
| ~ ssList(X1)
| app(sK255,X0) != X1 ),
inference(resolution,[status(thm)],[c97,d2]) ).
cnf(d4,plain,
( segmentP(X0,sK255)
| ~ ssList(sK257)
| ~ ssList(X0)
| sK256 != X0 ),
inference(superposition,[status(thm)],[c215,d3]) ).
cnf(d5,plain,
( segmentP(X0,sK255)
| ~ ssList(X0)
| sK256 != X0 ),
inference(resolution,[status(thm)],[c214,d4]) ).
cnf(d6,plain,
( segmentP(sK256,sK255)
| ~ ssList(sK256) ),
inference(equality_resolution,[status(thm)],[d5]) ).
cnf(d7,plain,
segmentP(sK256,sK255),
inference(resolution,[status(thm)],[c211,d6]) ).
cnf(d8,plain,
( ~ equalelemsP(sK253)
| ~ segmentP(sK256,sK253) ),
inference(demodulation,[status(thm)],[c219,c212]) ).
cnf(d9,plain,
( ~ equalelemsP(sK253)
| ~ segmentP(sK256,sK255) ),
inference(demodulation,[status(thm)],[d8,c213]) ).
cnf(d10,plain,
( ~ equalelemsP(sK255)
| ~ segmentP(sK256,sK255) ),
inference(demodulation,[status(thm)],[d9,c213]) ).
cnf(d11,plain,
~ segmentP(sK256,sK255),
inference(resolution,[status(thm)],[c216,d10]) ).
cnf(d12,plain,
$false,
inference(resolution,[status(thm)],[d11,d7]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC331+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/5.38 % Computer : n018.cluster.edu
% 0.10/5.38 % Model : x86_64 x86_64
% 0.10/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/5.38 % Memory : 8046.5625MB
% 0.10/5.38 % OS : Linux 6.8.0-71-generic
% 0.10/5.38 % CPULimit : 300
% 0.10/5.38 % WCLimit : 300
% 0.10/5.38 % DateTime : Sat Sep 26 12:51:12 UTC 2026
% 0.10/5.38 % CPUTime :
% 0.10/5.38 Running casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 23.34/8.84 % SZS status Theorem for theBenchmark.p
% 23.34/8.84 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------