TSTP Solution File: FLD034-3 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : FLD034-3 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n019.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 600s
% DateTime : Sat Jul 16 02:28:25 EDT 2022
% Result : Unsatisfiable 1.60s 1.79s
% Output : Refutation 1.60s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 6
% Syntax : Number of clauses : 13 ( 6 unt; 0 nHn; 13 RR)
% Number of literals : 24 ( 0 equ; 17 neg)
% Maximal clause size : 4 ( 1 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-3 aty)
% Number of functors : 9 ( 9 usr; 9 con; 0-0 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
defined(a),
file('FLD034-3.p',unknown),
[] ).
cnf(3,axiom,
product(multiplicative_identity,m,multiplicative_identity),
file('FLD034-3.p',unknown),
[] ).
cnf(4,axiom,
~ product(m,a,a),
file('FLD034-3.p',unknown),
[] ).
cnf(10,axiom,
( ~ product(u,v,w)
| ~ product(x,v,y)
| ~ product(z,x,u)
| product(z,y,w) ),
file('FLD034-3.p',unknown),
[] ).
cnf(12,axiom,
( ~ defined(u)
| product(multiplicative_identity,u,u) ),
file('FLD034-3.p',unknown),
[] ).
cnf(14,axiom,
( ~ product(u,v,w)
| product(v,u,w) ),
file('FLD034-3.p',unknown),
[] ).
cnf(34,plain,
product(m,multiplicative_identity,multiplicative_identity),
inference(res,[status(thm),theory(equality)],[3,14]),
[iquote('0:Res:3.0,14.0')] ).
cnf(45,plain,
( ~ product(u,v,a)
| ~ product(w,v,a)
| ~ product(m,w,u) ),
inference(res,[status(thm),theory(equality)],[10,4]),
[iquote('0:Res:10.3,4.0')] ).
cnf(672,plain,
( ~ defined(a)
| ~ product(u,a,a)
| ~ product(m,u,multiplicative_identity) ),
inference(res,[status(thm),theory(equality)],[12,45]),
[iquote('0:Res:12.1,45.0')] ).
cnf(674,plain,
( ~ product(u,a,a)
| ~ product(m,u,multiplicative_identity) ),
inference(ssi,[status(thm)],[672,1]),
[iquote('0:SSi:672.0,1.0')] ).
cnf(4904,plain,
( ~ defined(a)
| ~ product(m,multiplicative_identity,multiplicative_identity) ),
inference(res,[status(thm),theory(equality)],[12,674]),
[iquote('0:Res:12.1,674.0')] ).
cnf(4905,plain,
~ product(m,multiplicative_identity,multiplicative_identity),
inference(ssi,[status(thm)],[4904,1]),
[iquote('0:SSi:4904.0,1.0')] ).
cnf(4906,plain,
$false,
inference(mrr,[status(thm)],[4905,34]),
[iquote('0:MRR:4905.0,34.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : FLD034-3 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.07/0.13 % Command : run_spass %d %s
% 0.13/0.34 % Computer : n019.cluster.edu
% 0.13/0.34 % Model : x86_64 x86_64
% 0.13/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34 % Memory : 8042.1875MB
% 0.13/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34 % CPULimit : 300
% 0.13/0.34 % WCLimit : 600
% 0.13/0.34 % DateTime : Tue Jun 7 04:23:55 EDT 2022
% 0.13/0.34 % CPUTime :
% 1.60/1.79
% 1.60/1.79 SPASS V 3.9
% 1.60/1.79 SPASS beiseite: Proof found.
% 1.60/1.79 % SZS status Theorem
% 1.60/1.79 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 1.60/1.79 SPASS derived 3510 clauses, backtracked 0 clauses, performed 4 splits and kept 2373 clauses.
% 1.60/1.79 SPASS allocated 79326 KBytes.
% 1.60/1.79 SPASS spent 0:00:01.42 on the problem.
% 1.60/1.79 0:00:00.04 for the input.
% 1.60/1.79 0:00:00.00 for the FLOTTER CNF translation.
% 1.60/1.79 0:00:00.03 for inferences.
% 1.60/1.79 0:00:00.06 for the backtracking.
% 1.60/1.79 0:00:01.24 for the reduction.
% 1.60/1.79
% 1.60/1.79
% 1.60/1.79 Here is a proof with depth 3, length 13 :
% 1.60/1.79 % SZS output start Refutation
% See solution above
% 1.60/1.79 Formulae used in the proof : a_is_defined product_3 not_product_4 associativity_multiplication_1 existence_of_identity_multiplication commutativity_multiplication
% 1.60/1.79
%------------------------------------------------------------------------------