%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : SWC355-1 : 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 : n010.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 08:55:05 AM UTC 2026
% Result : Unsatisfiable 4.84s 16.52s
% Output : CNFRefutation 4.84s
% Verified :
% SZS Type : Refutation
% Derivation depth : 13
% Number of leaves : 12
% Syntax : Number of clauses : 42 ( 14 unt; 1 nHn; 42 RR)
% Number of literals : 100 ( 12 equ; 61 neg)
% Maximal clause size : 7 ( 2 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 : 27 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(co1_1,negated_conjecture,
ssList(sk1) ).
cnf(co1_5,negated_conjecture,
sk2 = sk4 ).
cnf(co1_6,negated_conjecture,
sk1 = sk3 ).
cnf(co1_7,negated_conjecture,
( neq(sk2,nil)
| neq(sk2,nil) ) ).
cnf(co1_12,negated_conjecture,
( ~ neq(sk4,nil)
| ssItem(sk5) ) ).
cnf(co1_13,negated_conjecture,
( ~ neq(sk4,nil)
| app(sk3,cons(sk5,nil)) = sk4 ) ).
cnf(co1_14,negated_conjecture,
( ~ neq(sk4,nil)
| ~ segmentP(sk2,sk1) ) ).
cnf(clause8,axiom,
ssList(nil) ).
cnf(clause57,axiom,
( segmentP(X0,X0)
| ~ ssList(X0) ) ).
cnf(clause74,axiom,
( app(nil,X0) = X0
| ~ ssList(X0) ) ).
cnf(clause86,axiom,
( ssList(cons(X0,X1))
| ~ ssList(X1)
| ~ ssItem(X0) ) ).
cnf(clause172,axiom,
( segmentP(app(app(X3,X0),X2),X1)
| ~ ssList(X0)
| ~ ssList(X1)
| ~ ssList(X3)
| ~ ssList(X2)
| ~ segmentP(X0,X1) ) ).
cnf(c0,plain,
ssList(sk1),
inference(clausification,[status(esa)],[co1_1]) ).
cnf(c4,plain,
sk2 = sk4,
inference(clausification,[status(esa)],[co1_5]) ).
cnf(c5,plain,
sk1 = sk3,
inference(clausification,[status(esa)],[co1_6]) ).
cnf(c6,plain,
neq(sk2,nil),
inference(clausification,[status(esa)],[co1_7]) ).
cnf(c11,plain,
( ~ neq(sk4,nil)
| ssItem(sk5) ),
inference(clausification,[status(esa)],[co1_12]) ).
cnf(c12,plain,
( ~ neq(sk4,nil)
| app(sk3,cons(sk5,nil)) = sk4 ),
inference(clausification,[status(esa)],[co1_13]) ).
cnf(c13,plain,
( ~ neq(sk4,nil)
| ~ segmentP(sk2,sk1) ),
inference(clausification,[status(esa)],[co1_14]) ).
cnf(c21,plain,
ssList(nil),
inference(clausification,[status(esa)],[clause8]) ).
cnf(c70,plain,
( segmentP(X0,X0)
| ~ ssList(X0) ),
inference(clausification,[status(esa)],[clause57]) ).
cnf(c87,plain,
( app(nil,X0) = X0
| ~ ssList(X0) ),
inference(clausification,[status(esa)],[clause74]) ).
cnf(c99,plain,
( ssList(cons(X0,X1))
| ~ ssList(X1)
| ~ ssItem(X0) ),
inference(clausification,[status(esa)],[clause86]) ).
cnf(c185,plain,
( ~ ssList(X3)
| ~ ssList(X1)
| ~ ssList(X2)
| ~ ssList(X0)
| segmentP(app(app(X2,X0),X3),X1)
| ~ segmentP(X0,X1) ),
inference(clausification,[status(esa)],[clause172]) ).
cnf(d0,plain,
( ~ ssList(X0)
| ~ segmentP(X0,X2)
| ~ ssList(X2)
| ~ ssList(X0)
| ~ ssList(X1)
| ~ ssList(nil)
| segmentP(app(X0,X1),X2) ),
inference(superposition,[status(thm)],[c87,c185]) ).
cnf(d1,plain,
( segmentP(app(X2,X1),X0)
| ~ segmentP(X2,X0)
| ~ ssList(X2)
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(resolution,[status(thm)],[c21,d0]) ).
cnf(d2,plain,
( ~ neq(sk4,nil)
| app(sk1,cons(sk5,nil)) = sk4 ),
inference(demodulation,[status(thm)],[c12,c5]) ).
cnf(d3,plain,
( ~ neq(sk4,nil)
| app(sk1,cons(sk5,nil)) = sk2 ),
inference(demodulation,[status(thm)],[d2,c4]) ).
cnf(d4,plain,
( ~ neq(sk2,nil)
| app(sk1,cons(sk5,nil)) = sk2 ),
inference(demodulation,[status(thm)],[d3,c4]) ).
cnf(d5,plain,
app(sk1,cons(sk5,nil)) = sk2,
inference(resolution,[status(thm)],[c6,d4]) ).
cnf(d6,plain,
( ~ segmentP(sk1,X0)
| ~ ssList(X0)
| ~ ssList(cons(sk5,nil))
| ~ ssList(sk1)
| segmentP(sk2,X0) ),
inference(superposition,[status(thm)],[d5,d1]) ).
cnf(d7,plain,
( segmentP(sk2,X0)
| ~ segmentP(sk1,X0)
| ~ ssList(cons(sk5,nil))
| ~ ssList(X0) ),
inference(resolution,[status(thm)],[c0,d6]) ).
cnf(d8,plain,
( ~ ssItem(sk5)
| ~ ssList(nil)
| segmentP(sk2,X0)
| ~ segmentP(sk1,X0)
| ~ ssList(X0) ),
inference(resolution,[status(thm)],[d7,c99]) ).
cnf(d9,plain,
( segmentP(sk2,X0)
| ~ segmentP(sk1,X0)
| ~ ssItem(sk5)
| ~ ssList(X0) ),
inference(resolution,[status(thm)],[c21,d8]) ).
cnf(d10,plain,
( ssItem(sk5)
| ~ neq(sk2,nil) ),
inference(demodulation,[status(thm)],[c11,c4]) ).
cnf(d11,plain,
ssItem(sk5),
inference(resolution,[status(thm)],[c6,d10]) ).
cnf(d12,plain,
( segmentP(sk2,X0)
| ~ segmentP(sk1,X0)
| ~ ssList(X0) ),
inference(resolution,[status(thm)],[d11,d9]) ).
cnf(d13,plain,
( ~ ssList(sk1)
| segmentP(sk2,sk1)
| ~ ssList(sk1) ),
inference(resolution,[status(thm)],[d12,c70]) ).
cnf(d14,plain,
segmentP(sk2,sk1),
inference(resolution,[status(thm)],[c0,d13]) ).
cnf(d15,plain,
( ~ segmentP(sk2,sk1)
| ~ neq(sk2,nil) ),
inference(demodulation,[status(thm)],[c13,c4]) ).
cnf(d16,plain,
~ segmentP(sk2,sk1),
inference(resolution,[status(thm)],[c6,d15]) ).
cnf(d17,plain,
$false,
inference(resolution,[status(thm)],[d16,d14]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC355-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.03 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.35 % Computer : n010.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
% 0.08/0.35 % CPULimit : 300
% 0.08/0.35 % WCLimit : 300
% 0.08/0.35 % DateTime : Sat Sep 26 12:52:45 UTC 2026
% 0.08/0.35 % CPUTime :
% 0.08/0.35 Running casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 4.84/16.52 % SZS status Unsatisfiable for theBenchmark.p
% 4.84/16.52 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------