%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : SYN332-1 : TPTP v9.3.1. Released v1.2.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n008.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 09:21:50 AM UTC 2026
% Result : Unsatisfiable 10.73s 2.91s
% Output : CNFRefutation 10.73s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 7
% Syntax : Number of clauses : 24 ( 2 unt; 12 nHn; 14 RR)
% Number of literals : 54 ( 0 equ; 20 neg)
% Maximal clause size : 3 ( 2 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 1 ( 1 usr; 0 con; 2-2 aty)
% Number of variables : 45 ( 1 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(clause1,negated_conjecture,
( f(X0,z(X0,X1))
| f(X0,X1) ) ).
cnf(clause2,negated_conjecture,
( f(X1,z(X1,X0))
| f(X0,X1) ) ).
cnf(clause5,negated_conjecture,
( f(z(X0,X1),X0)
| ~ f(X0,z(X0,X1)) ) ).
cnf(clause7,negated_conjecture,
( f(X1,z(X0,X1))
| ~ f(X0,z(X0,X1)) ) ).
cnf(clause8,negated_conjecture,
( ~ f(z(X1,X0),z(X1,X0))
| f(X1,X0)
| ~ f(X0,X1) ) ).
cnf(clause13,negated_conjecture,
( ~ f(z(X0,X1),X1)
| f(X1,X0)
| f(X0,X1) ) ).
cnf(clause14,negated_conjecture,
( ~ f(z(X0,X1),X1)
| ~ f(X1,X0)
| ~ f(X0,X1) ) ).
cnf(c0,plain,
( f(X0,z(X0,X1))
| f(X0,X1) ),
inference(clausification,[status(esa)],[clause1]) ).
cnf(c1,plain,
( f(X1,z(X1,X0))
| f(X0,X1) ),
inference(clausification,[status(esa)],[clause2]) ).
cnf(c4,plain,
( f(z(X0,X1),X0)
| ~ f(X0,z(X0,X1)) ),
inference(clausification,[status(esa)],[clause5]) ).
cnf(c6,plain,
( f(X1,z(X0,X1))
| ~ f(X0,z(X0,X1)) ),
inference(clausification,[status(esa)],[clause7]) ).
cnf(c7,plain,
( ~ f(z(X1,X0),z(X1,X0))
| f(X1,X0)
| ~ f(X0,X1) ),
inference(clausification,[status(esa)],[clause8]) ).
cnf(c12,plain,
( ~ f(z(X0,X1),X1)
| f(X1,X0)
| f(X0,X1) ),
inference(clausification,[status(esa)],[clause13]) ).
cnf(c13,plain,
( ~ f(z(X0,X1),X1)
| ~ f(X1,X0)
| ~ f(X0,X1) ),
inference(clausification,[status(esa)],[clause14]) ).
cnf(d0,plain,
( f(X1,X0)
| f(z(X0,X1),X0) ),
inference(resolution,[status(thm)],[c4,c1]) ).
cnf(d1,plain,
( f(X0,X0)
| f(X0,X0)
| f(X0,X0) ),
inference(resolution,[status(thm)],[c12,d0]) ).
cnf(d2,plain,
( ~ f(X1,X0)
| f(X0,X1) ),
inference(resolution,[status(thm)],[d1,c7]) ).
cnf(d3,plain,
( f(X1,X0)
| f(X0,z(X1,X0)) ),
inference(resolution,[status(thm)],[c6,c0]) ).
cnf(d4,plain,
( f(X0,X1)
| f(z(X0,X1),X1) ),
inference(resolution,[status(thm)],[d2,d3]) ).
cnf(d5,plain,
( f(X0,X1)
| f(X1,X0)
| f(X0,X1) ),
inference(resolution,[status(thm)],[d4,c12]) ).
cnf(d6,plain,
( f(X0,X1)
| f(X0,X1) ),
inference(resolution,[status(thm)],[d5,d2]) ).
cnf(d7,plain,
( ~ f(z(X1,X0),X0)
| ~ f(X0,X1) ),
inference(resolution,[status(thm)],[d6,c13]) ).
cnf(d8,plain,
~ f(z(X0,X1),X1),
inference(resolution,[status(thm)],[d6,d7]) ).
cnf(d9,plain,
$false,
inference(resolution,[status(thm)],[d8,d6]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN332-1 : TPTP v9.3.1. Released v1.2.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n008.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 17:36:10 UTC 2026
% 0.09/0.37 % CPUTime :
% 0.09/0.37 Running casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 10.73/2.91 % SZS status Unsatisfiable for theBenchmark.p
% 10.73/2.91 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------