%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : SWC124+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 : n020.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 08:54:21 AM UTC 2026
% Result : Theorem 28.18s 6.51s
% Output : CNFRefutation 28.18s
% Verified :
% SZS Type : Refutation
% Derivation depth : 18
% Number of leaves : 5
% Syntax : Number of formulae : 40 ( 18 unt; 0 def)
% Number of atoms : 125 ( 40 equ)
% Maximal formula atoms : 21 ( 3 avg)
% Number of connectives : 139 ( 54 ~; 50 |; 18 &)
% ( 2 <=>; 15 =>; 0 <=; 0 <~>)
% Maximal formula depth : 28 ( 4 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 8 ( 6 usr; 1 prp; 0-2 aty)
% Number of functors : 8 ( 8 usr; 6 con; 0-2 aty)
% Number of variables : 40 ( 0 sgn 15 !; 10 ?)
% 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(ax15,axiom,
! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ( neq(X0,X1)
<=> X0 != X1 ) ) ) ).
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)
=> ( ( segmentP(X1,X0)
& neq(X0,nil) )
| ( nil = X2
& nil != X3 )
| ! [X4] :
( ssList(X4)
=> ( ? [X5] :
( ? [X6] :
( ? [X7] :
( ? [X8] :
( leq(X7,X5)
& app(X8,cons(X7,nil)) = X2
& ssList(X8) )
& ssItem(X7) )
& app(cons(X5,nil),X6) = X4
& ssList(X6) )
& ssItem(X5) )
| ~ totalorderedP(X2)
| app(X2,X4) != X3 ) )
| ~ neq(X1,nil)
| X0 != X2
| X1 != X3 ) ) ) ) ) ).
fof(negated_conjecture,negated_conjecture,
~ ! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ! [X2] :
( ssList(X2)
=> ! [X3] :
( ssList(X3)
=> ( ( segmentP(X1,X0)
& neq(X0,nil) )
| ( nil = X2
& nil != X3 )
| ! [X4] :
( ssList(X4)
=> ( ? [X5] :
( ? [X6] :
( ? [X7] :
( ? [X8] :
( leq(X7,X5)
& app(X8,cons(X7,nil)) = X2
& ssList(X8) )
& ssItem(X7) )
& app(cons(X5,nil),X6) = X4
& ssList(X6) )
& ssItem(X5) )
| ~ totalorderedP(X2)
| app(X2,X4) != X3 ) )
| ~ neq(X1,nil)
| 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(c95,plain,
( X0 = X1
| neq(X0,X1)
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(clausification,[status(esa)],[ax15]) ).
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(c209,plain,
ssList(sK254),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c210,plain,
ssList(sK255),
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,
neq(sK254,nil),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c215,plain,
ssList(sK257),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c216,plain,
app(sK255,sK257) = sK256,
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c219,plain,
( nil != sK255
| nil = sK256 ),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c220,plain,
( ~ segmentP(sK254,sK253)
| ~ neq(sK253,nil) ),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(d0,plain,
( ~ segmentP(sK254,sK253)
| ~ neq(sK255,nil) ),
inference(demodulation,[status(thm)],[c220,c213]) ).
cnf(d1,plain,
( ~ segmentP(sK254,sK255)
| ~ neq(sK255,nil) ),
inference(demodulation,[status(thm)],[d0,c213]) ).
cnf(d2,plain,
app(nil,sK255) = sK255,
inference(resolution,[status(thm)],[c111,c210]) ).
cnf(d3,plain,
( segmentP(X1,sK255)
| ~ ssList(nil)
| ~ ssList(sK255)
| ~ ssList(X0)
| ~ ssList(X1)
| app(sK255,X0) != X1 ),
inference(superposition,[status(thm)],[d2,c21]) ).
cnf(d4,plain,
( segmentP(X1,sK255)
| ~ ssList(nil)
| ~ ssList(X0)
| ~ ssList(X1)
| app(sK255,X0) != X1 ),
inference(resolution,[status(thm)],[c210,d3]) ).
cnf(d5,plain,
( segmentP(X1,sK255)
| ~ ssList(X0)
| ~ ssList(X1)
| app(sK255,X0) != X1 ),
inference(resolution,[status(thm)],[c97,d4]) ).
cnf(d6,plain,
app(sK255,sK257) = sK254,
inference(demodulation,[status(thm)],[c216,c212]) ).
cnf(d7,plain,
( segmentP(X0,sK255)
| ~ ssList(sK257)
| ~ ssList(X0)
| sK254 != X0 ),
inference(superposition,[status(thm)],[d6,d5]) ).
cnf(d8,plain,
( segmentP(X0,sK255)
| ~ ssList(X0)
| sK254 != X0 ),
inference(resolution,[status(thm)],[c215,d7]) ).
cnf(d9,plain,
( segmentP(sK254,sK255)
| ~ ssList(sK254) ),
inference(equality_resolution,[status(thm)],[d8]) ).
cnf(d10,plain,
segmentP(sK254,sK255),
inference(resolution,[status(thm)],[c209,d9]) ).
cnf(d11,plain,
~ neq(sK255,nil),
inference(resolution,[status(thm)],[d10,d1]) ).
cnf(d12,plain,
( ~ ssList(sK255)
| ~ ssList(nil)
| sK255 = nil ),
inference(resolution,[status(thm)],[d11,c95]) ).
cnf(d13,plain,
( ~ ssList(nil)
| sK255 = nil ),
inference(resolution,[status(thm)],[c210,d12]) ).
cnf(d14,plain,
sK255 = nil,
inference(resolution,[status(thm)],[c97,d13]) ).
cnf(d15,plain,
( nil = sK254
| nil != sK255 ),
inference(demodulation,[status(thm)],[c219,c212]) ).
cnf(d16,plain,
( nil = sK254
| nil != nil ),
inference(demodulation,[status(thm)],[d15,d14]) ).
cnf(d17,plain,
nil = sK254,
inference(equality_resolution,[status(thm)],[d16]) ).
cnf(d18,plain,
neq(nil,nil),
inference(demodulation,[status(thm)],[c214,d17]) ).
cnf(d19,plain,
~ neq(nil,nil),
inference(demodulation,[status(thm)],[d11,d14]) ).
cnf(d20,plain,
$false,
inference(resolution,[status(thm)],[d19,d18]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC124+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
% 0.08/0.36 % Computer : n020.cluster.edu
% 0.08/0.36 % Model : x86_64 x86_64
% 0.08/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.36 % Memory : 8046.5625MB
% 0.08/0.36 % 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 12:19:49 UTC 2026
% 0.08/0.36 % CPUTime :
% 0.08/0.36 Running casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 28.18/6.51 % SZS status Theorem for theBenchmark.p
% 28.18/6.51 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------