%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : SWC385-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n017.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 08:55:12 AM UTC 2026
% Result : Unsatisfiable 16.75s 2.52s
% Output : CNFRefutation 16.75s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 6
% Syntax : Number of clauses : 19 ( 13 unt; 0 nHn; 19 RR)
% Number of literals : 25 ( 4 equ; 9 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 5 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 5 con; 0-0 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(co1_5,negated_conjecture,
sk2 = sk4 ).
cnf(co1_6,negated_conjecture,
sk1 = sk3 ).
cnf(co1_7,negated_conjecture,
neq(sk2,nil) ).
cnf(co1_8,negated_conjecture,
segmentP(sk4,sk3) ).
cnf(co1_9,negated_conjecture,
( ~ neq(sk4,nil)
| singletonP(sk3) ) ).
cnf(co1_10,negated_conjecture,
( ~ segmentP(sk2,sk1)
| ~ singletonP(sk1) ) ).
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(c7,plain,
segmentP(sk4,sk3),
inference(clausification,[status(esa)],[co1_8]) ).
cnf(c8,plain,
( ~ neq(sk4,nil)
| singletonP(sk3) ),
inference(clausification,[status(esa)],[co1_9]) ).
cnf(c9,plain,
( ~ segmentP(sk2,sk1)
| ~ singletonP(sk1) ),
inference(clausification,[status(esa)],[co1_10]) ).
cnf(d0,plain,
segmentP(sk2,sk3),
inference(demodulation,[status(thm)],[c7,c4]) ).
cnf(d1,plain,
segmentP(sk2,sk1),
inference(demodulation,[status(thm)],[d0,c5]) ).
cnf(d2,plain,
~ singletonP(sk1),
inference(resolution,[status(thm)],[d1,c9]) ).
cnf(d3,plain,
( singletonP(sk3)
| ~ neq(sk2,nil) ),
inference(demodulation,[status(thm)],[c8,c4]) ).
cnf(d4,plain,
( singletonP(sk1)
| ~ neq(sk2,nil) ),
inference(demodulation,[status(thm)],[d3,c5]) ).
cnf(d5,plain,
singletonP(sk1),
inference(resolution,[status(thm)],[c6,d4]) ).
cnf(d6,plain,
$false,
inference(resolution,[status(thm)],[d5,d2]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC385-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n017.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Sat Sep 26 12:51:49 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.36 Running casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 16.75/2.52 % SZS status Unsatisfiable for theBenchmark.p
% 16.75/2.52 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------