%------------------------------------------------------------------------------
% File : Twee---2.7
% Problem : GRP704-11 : TPTP v9.3.1. Released v8.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n003.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 : Tue Sep 29 10:11:48 AM UTC 2026
% Result : Unsatisfiable 0.19s 0.48s
% Output : CNFRefutation 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 17
% Number of leaves : 8
% Syntax : Number of clauses : 48 ( 48 unt; 0 nHn; 9 RR)
% Number of literals : 48 ( 47 equ; 1 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 : 54 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(c1,negated_conjecture,
mult(x4,mult(x5,op_f)) != mult(mult(x4,x5),op_f),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goal) ).
cnf(c2,axiom,
mult(A,ld(A,B)) = B,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f01) ).
cnf(c3,plain,
mult(X,ld(X,mult(op_c,X))) = mult(op_c,X),
inference(substitution,[status(thm)],[c2]) ).
cnf(c4,plain,
mult(op_c,X) = mult(X,ld(X,mult(op_c,X))),
inference(symmetry,[status(thm)],[c3]) ).
cnf(c5,axiom,
op_d = ld(A2,mult(op_c,A2)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f11) ).
cnf(c6,plain,
op_d = ld(X,mult(op_c,X)),
inference(substitution,[status(thm)],[c5]) ).
cnf(c7,plain,
ld(X,mult(op_c,X)) = op_d,
inference(symmetry,[status(thm)],[c6]) ).
cnf(c8,plain,
mult(X,ld(X,mult(op_c,X))) = mult(X,op_d),
inference(congruence,[status(thm)],[c7]) ).
cnf(c9,plain,
op_d = ld(op_c,mult(op_c,op_c)),
inference(substitution,[status(thm)],[c5]) ).
cnf(c10,axiom,
ld(A2,mult(A2,B2)) = B2,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f02) ).
cnf(c11,plain,
ld(op_c,mult(op_c,op_c)) = op_c,
inference(substitution,[status(thm)],[c10]) ).
cnf(c12,plain,
op_d = op_c,
inference(transitivity,[status(thm)],[c9,c11]) ).
cnf(c13,plain,
mult(X,op_d) = mult(X,op_c),
inference(congruence,[status(thm)],[c12]) ).
cnf(c14,plain,
mult(X,ld(X,mult(op_c,X))) = mult(X,op_c),
inference(transitivity,[status(thm)],[c8,c13]) ).
cnf(c15,plain,
mult(op_c,X) = mult(X,op_c),
inference(transitivity,[status(thm)],[c4,c14]) ).
cnf(c16,axiom,
op_f = mult(A2,mult(B2,ld(mult(A2,B2),op_c))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f13) ).
cnf(c17,plain,
op_f = mult(X,mult(unit,ld(mult(X,unit),op_c))),
inference(substitution,[status(thm)],[c16]) ).
cnf(c18,axiom,
mult(A2,unit) = A2,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f05) ).
cnf(c19,plain,
mult(X,unit) = X,
inference(substitution,[status(thm)],[c18]) ).
cnf(c20,plain,
ld(mult(X,unit),op_c) = ld(X,op_c),
inference(congruence,[status(thm)],[c19]) ).
cnf(c21,plain,
mult(unit,ld(mult(X,unit),op_c)) = mult(unit,ld(X,op_c)),
inference(congruence,[status(thm)],[c20]) ).
cnf(c22,plain,
mult(X,mult(unit,ld(mult(X,unit),op_c))) = mult(X,mult(unit,ld(X,op_c))),
inference(congruence,[status(thm)],[c21]) ).
cnf(c23,axiom,
mult(unit,A2) = A2,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f06) ).
cnf(c24,plain,
mult(unit,ld(X,op_c)) = ld(X,op_c),
inference(substitution,[status(thm)],[c23]) ).
cnf(c25,plain,
mult(X,mult(unit,ld(X,op_c))) = mult(X,ld(X,op_c)),
inference(congruence,[status(thm)],[c24]) ).
cnf(c26,plain,
mult(X,ld(X,op_c)) = op_c,
inference(substitution,[status(thm)],[c2]) ).
cnf(c27,plain,
mult(X,mult(unit,ld(X,op_c))) = op_c,
inference(transitivity,[status(thm)],[c25,c26]) ).
cnf(c28,plain,
mult(X,mult(unit,ld(mult(X,unit),op_c))) = op_c,
inference(transitivity,[status(thm)],[c22,c27]) ).
cnf(c29,plain,
op_f = op_c,
inference(transitivity,[status(thm)],[c17,c28]) ).
cnf(c30,plain,
op_c = op_f,
inference(symmetry,[status(thm)],[c29]) ).
cnf(c31,plain,
mult(X,op_c) = mult(X,op_f),
inference(congruence,[status(thm)],[c30]) ).
cnf(c32,plain,
mult(op_c,X) = mult(X,op_f),
inference(transitivity,[status(thm)],[c15,c31]) ).
cnf(c33,plain,
mult(op_c,mult(X,X2)) = mult(mult(X,X2),op_f),
inference(substitution,[status(thm)],[c32]) ).
cnf(c34,plain,
mult(mult(X2,X),op_f) = mult(op_c,mult(X2,X)),
inference(symmetry,[status(thm)],[c33]) ).
cnf(c35,plain,
mult(op_c,mult(X2,X)) = mult(mult(X2,X),op_c),
inference(substitution,[status(thm)],[c15]) ).
cnf(c36,axiom,
mult(A2,mult(B2,op_c)) = mult(mult(A2,B2),op_c),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f09) ).
cnf(c37,plain,
mult(X2,mult(X,op_c)) = mult(mult(X2,X),op_c),
inference(substitution,[status(thm)],[c36]) ).
cnf(c38,plain,
mult(mult(X2,X),op_c) = mult(X2,mult(X,op_c)),
inference(symmetry,[status(thm)],[c37]) ).
cnf(c39,plain,
mult(X,op_c) = mult(op_c,X),
inference(symmetry,[status(thm)],[c15]) ).
cnf(c40,plain,
mult(X2,mult(X,op_c)) = mult(X2,mult(op_c,X)),
inference(congruence,[status(thm)],[c39]) ).
cnf(c41,plain,
mult(X2,mult(op_c,X)) = mult(X2,mult(X,op_f)),
inference(congruence,[status(thm)],[c32]) ).
cnf(c42,plain,
mult(X2,mult(X,op_c)) = mult(X2,mult(X,op_f)),
inference(transitivity,[status(thm)],[c40,c41]) ).
cnf(c43,plain,
mult(mult(X2,X),op_c) = mult(X2,mult(X,op_f)),
inference(transitivity,[status(thm)],[c38,c42]) ).
cnf(c44,plain,
mult(op_c,mult(X2,X)) = mult(X2,mult(X,op_f)),
inference(transitivity,[status(thm)],[c35,c43]) ).
cnf(c45,plain,
mult(mult(X2,X),op_f) = mult(X2,mult(X,op_f)),
inference(transitivity,[status(thm)],[c34,c44]) ).
cnf(c46,plain,
mult(mult(x4,x5),op_f) = mult(x4,mult(x5,op_f)),
inference(substitution,[status(thm)],[c45]) ).
cnf(c47,plain,
mult(x4,mult(x5,op_f)) = mult(mult(x4,x5),op_f),
inference(symmetry,[status(thm)],[c46]) ).
cnf(c48,plain,
$false,
inference(resolution,[status(thm)],[c1,c47]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : GRP704-11 : TPTP v9.3.1. Released v8.1.0.
% 0.00/0.04 % Command : run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n003.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
% 0.09/0.37 % WCLimit : 300
% 0.09/0.37 % DateTime : Sun Sep 27 10:38:25 UTC 2026
% 0.09/0.37 % CPUTime :
% 0.09/0.37 Running run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.48 Command-line arguments: --lhs-weight 1 --flip-ordering --normalise-queue-percent 10 --cp-renormalise-threshold 10 --complete-subsets --ground-joining-incomplete-limit 15 --flatten-every 2
% 0.19/0.48
% 0.19/0.48 % SZS status Unsatisfiable
% 0.19/0.48
% 0.19/0.48 % SZS output start CNFRefutation
% See solution above
% 0.19/0.50
% 0.19/0.50 RESULT: Unsatisfiable (the axioms are contradictory).
%------------------------------------------------------------------------------