%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : GRP704-11 : TPTP v9.3.1. Released v8.1.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n015.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 07:24:32 AM UTC 2026
% Result : Unsatisfiable 15.03s 5.33s
% Output : CNFRefutation 15.03s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 7
% Syntax : Number of clauses : 31 ( 31 unt; 0 nHn; 9 RR)
% Number of literals : 31 ( 30 equ; 6 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 8 ( 8 usr; 6 con; 0-2 aty)
% Number of variables : 31 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(f01,axiom,
mult(X0,ld(X0,X1)) = X1 ).
cnf(f02,axiom,
ld(X0,mult(X0,X1)) = X1 ).
cnf(f06,axiom,
mult(unit,X0) = X0 ).
cnf(f09,axiom,
mult(X0,mult(X1,'op$uc')) = mult(mult(X0,X1),'op$uc') ).
cnf(f11,axiom,
'op$ud' = ld(X0,mult('op$uc',X0)) ).
cnf(f13,axiom,
'op$uf' = mult(X0,mult(X1,ld(mult(X0,X1),'op$uc'))) ).
cnf(goal,negated_conjecture,
mult(x4,mult(x5,'op$uf')) != mult(mult(x4,x5),'op$uf') ).
cnf(c0,plain,
mult(X0,ld(X0,X1)) = X1,
inference(clausification,[status(esa)],[f01]) ).
cnf(c1,plain,
ld(X0,mult(X0,X1)) = X1,
inference(clausification,[status(esa)],[f02]) ).
cnf(c5,plain,
mult(unit,X0) = X0,
inference(clausification,[status(esa)],[f06]) ).
cnf(c8,plain,
mult(X0,mult(X1,'op$uc')) = mult(mult(X0,X1),'op$uc'),
inference(clausification,[status(esa)],[f09]) ).
cnf(c10,plain,
'op$ud' = ld(X0,mult('op$uc',X0)),
inference(clausification,[status(esa)],[f11]) ).
cnf(c12,plain,
'op$uf' = mult(X0,mult(X1,ld(mult(X0,X1),'op$uc'))),
inference(clausification,[status(esa)],[f13]) ).
cnf(c13,plain,
mult(x4,mult(x5,'op$uf')) != mult(mult(x4,x5),'op$uf'),
inference(clausification,[status(esa)],[goal]) ).
cnf(d0,plain,
'op$ud' = 'op$uc',
inference(superposition,[status(thm)],[c10,c1]) ).
cnf(d1,plain,
mult(X0,'op$ud') = mult('op$uc',X0),
inference(superposition,[status(thm)],[c10,c0]) ).
cnf(d2,plain,
mult(X0,'op$uc') = mult('op$uc',X0),
inference(demodulation,[status(thm)],[d1,d0]) ).
cnf(d3,plain,
mult(X0,mult(X1,'op$uc')) = mult('op$uc',mult(X0,X1)),
inference(demodulation,[status(thm)],[c8,d2]) ).
cnf(d4,plain,
'op$uf' = mult(X0,ld(mult(unit,X0),'op$uc')),
inference(superposition,[status(thm)],[c12,c5]) ).
cnf(d5,plain,
'op$uf' = mult(X0,ld(X0,'op$uc')),
inference(demodulation,[status(thm)],[d4,c5]) ).
cnf(d6,plain,
'op$uf' = 'op$uc',
inference(demodulation,[status(thm)],[d5,c0]) ).
cnf(d7,plain,
mult(x4,mult(x5,'op$uc')) != mult(mult(x4,x5),'op$uf'),
inference(demodulation,[status(thm)],[c13,d6]) ).
cnf(d8,plain,
mult(x4,mult(x5,'op$uc')) != mult(mult(x4,x5),'op$uc'),
inference(demodulation,[status(thm)],[d7,d6]) ).
cnf(d9,plain,
mult('op$uc',mult(x4,x5)) != mult(mult(x4,x5),'op$uc'),
inference(demodulation,[status(thm)],[d8,d3]) ).
cnf(d10,plain,
mult('op$uc',mult(x4,x5)) != mult('op$uc',mult(x4,x5)),
inference(demodulation,[status(thm)],[d9,d2]) ).
cnf(d11,plain,
'op$ud' = ld(ld('op$uc',X0),X0),
inference(superposition,[status(thm)],[c0,c10]) ).
cnf(d12,plain,
'op$uc' = ld(ld('op$uc',X0),X0),
inference(demodulation,[status(thm)],[d11,d0]) ).
cnf(d13,plain,
mult(ld('op$uc',X0),'op$uc') = X0,
inference(superposition,[status(thm)],[d12,c0]) ).
cnf(d14,plain,
mult('op$uc',ld('op$uc',X0)) = X0,
inference(demodulation,[status(thm)],[d13,d2]) ).
cnf(d15,plain,
X0 = X0,
inference(demodulation,[status(thm)],[d14,c0]) ).
cnf(d16,plain,
$false,
inference(resolution,[status(thm)],[d15,d10]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : GRP704-11 : TPTP v9.3.1. Released v8.1.0.
% 0.00/0.03 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n015.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 : Fri Sep 25 15:42:15 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.36 Running casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 15.03/5.33 % SZS status Unsatisfiable for theBenchmark.p
% 15.03/5.33 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------