%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : FLD058-1 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n007.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 07:10:56 AM UTC 2026
% Result : Unsatisfiable 12.23s 2.48s
% Output : CNFRefutation 12.23s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 8
% Syntax : Number of clauses : 25 ( 14 unt; 0 nHn; 25 RR)
% Number of literals : 42 ( 0 equ; 19 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 3 con; 0-0 aty)
% Number of variables : 22 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(less_or_equal_3,negated_conjecture,
'less$uor$uequal'('additive$uidentity',a) ).
cnf(less_or_equal_4,negated_conjecture,
'less$uor$uequal'(a,b) ).
cnf(a_not_equal_to_additive_identity_5,negated_conjecture,
~ equalish(a,'additive$uidentity') ).
cnf(b_equals_additive_identity_6,negated_conjecture,
equalish(b,'additive$uidentity') ).
cnf(antisymmetry_of_order_relation,axiom,
( ~ 'less$uor$uequal'(X1,X0)
| ~ 'less$uor$uequal'(X0,X1)
| equalish(X0,X1) ) ).
cnf(symmetry_of_equality,axiom,
( ~ equalish(X1,X0)
| equalish(X0,X1) ) ).
cnf(transitivity_of_equality,axiom,
( ~ equalish(X2,X1)
| ~ equalish(X0,X2)
| equalish(X0,X1) ) ).
cnf(compatibility_of_equality_and_order_relation,axiom,
( ~ equalish(X2,X0)
| ~ 'less$uor$uequal'(X2,X1)
| 'less$uor$uequal'(X0,X1) ) ).
cnf(c2,plain,
'less$uor$uequal'('additive$uidentity',a),
inference(clausification,[status(esa)],[less_or_equal_3]) ).
cnf(c3,plain,
'less$uor$uequal'(a,b),
inference(clausification,[status(esa)],[less_or_equal_4]) ).
cnf(c4,plain,
~ equalish(a,'additive$uidentity'),
inference(clausification,[status(esa)],[a_not_equal_to_additive_identity_5]) ).
cnf(c5,plain,
equalish(b,'additive$uidentity'),
inference(clausification,[status(esa)],[b_equals_additive_identity_6]) ).
cnf(c21,plain,
( ~ 'less$uor$uequal'(X1,X0)
| ~ 'less$uor$uequal'(X0,X1)
| equalish(X0,X1) ),
inference(clausification,[status(esa)],[antisymmetry_of_order_relation]) ).
cnf(c27,plain,
( ~ equalish(X1,X0)
| equalish(X0,X1) ),
inference(clausification,[status(esa)],[symmetry_of_equality]) ).
cnf(c28,plain,
( ~ equalish(X2,X1)
| ~ equalish(X0,X2)
| equalish(X0,X1) ),
inference(clausification,[status(esa)],[transitivity_of_equality]) ).
cnf(c31,plain,
( ~ equalish(X2,X0)
| ~ 'less$uor$uequal'(X2,X1)
| 'less$uor$uequal'(X0,X1) ),
inference(clausification,[status(esa)],[compatibility_of_equality_and_order_relation]) ).
cnf(d0,plain,
( ~ equalish(X0,b)
| equalish(X0,'additive$uidentity') ),
inference(resolution,[status(thm)],[c28,c5]) ).
cnf(d1,plain,
( equalish(b,a)
| ~ 'less$uor$uequal'(b,a) ),
inference(resolution,[status(thm)],[c21,c3]) ).
cnf(d2,plain,
equalish('additive$uidentity',b),
inference(resolution,[status(thm)],[c27,c5]) ).
cnf(d3,plain,
( ~ 'less$uor$uequal'('additive$uidentity',X0)
| 'less$uor$uequal'(b,X0) ),
inference(resolution,[status(thm)],[c31,d2]) ).
cnf(d4,plain,
'less$uor$uequal'(b,a),
inference(resolution,[status(thm)],[d3,c2]) ).
cnf(d5,plain,
equalish(b,a),
inference(resolution,[status(thm)],[d4,d1]) ).
cnf(d6,plain,
equalish(a,b),
inference(resolution,[status(thm)],[d5,c27]) ).
cnf(d7,plain,
equalish(a,'additive$uidentity'),
inference(resolution,[status(thm)],[d6,d0]) ).
cnf(d8,plain,
$false,
inference(resolution,[status(thm)],[c4,d7]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : FLD058-1 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.35 % Computer : n007.cluster.edu
% 0.09/0.35 % Model : x86_64 x86_64
% 0.09/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.35 % Memory : 8046.5625MB
% 0.09/0.35 % OS : Linux 6.8.0-71-generic
% 0.09/0.35 % CPULimit : 300
% 0.09/0.35 % WCLimit : 300
% 0.09/0.35 % DateTime : Sun Sep 27 02:30:10 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.36 Running casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 12.23/2.48 % SZS status Unsatisfiable for theBenchmark.p
% 12.23/2.48 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------