TSTP Solution File: GEO498+1 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : GEO498+1 : TPTP v8.1.0. Released v7.0.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n012.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 06:24:58 EDT 2022
% Result : Theorem 0.48s 0.67s
% Output : Refutation 0.48s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of clauses : 6 ( 6 unt; 0 nHn; 6 RR)
% Number of literals : 6 ( 0 equ; 1 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 5 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
~ equal(skc4,skc3),
file('GEO498+1.p',unknown),
[] ).
cnf(19,axiom,
equal(s(skc5,skc4),s(skc5,skc3)),
file('GEO498+1.p',unknown),
[] ).
cnf(22,axiom,
equal(s(u,s(u,v)),v),
file('GEO498+1.p',unknown),
[] ).
cnf(729,plain,
equal(s(skc5,s(skc5,skc3)),skc4),
inference(spr,[status(thm),theory(equality)],[19,22]),
[iquote('0:SpR:19.0,22.0')] ).
cnf(731,plain,
equal(skc4,skc3),
inference(rew,[status(thm),theory(equality)],[22,729]),
[iquote('0:Rew:22.0,729.0')] ).
cnf(732,plain,
$false,
inference(mrr,[status(thm)],[731,1]),
[iquote('0:MRR:731.0,1.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12 % Problem : GEO498+1 : TPTP v8.1.0. Released v7.0.0.
% 0.12/0.13 % Command : run_spass %d %s
% 0.12/0.34 % Computer : n012.cluster.edu
% 0.12/0.34 % Model : x86_64 x86_64
% 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34 % Memory : 8042.1875MB
% 0.12/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34 % CPULimit : 300
% 0.12/0.34 % WCLimit : 600
% 0.12/0.34 % DateTime : Sat Jun 18 13:13:23 EDT 2022
% 0.12/0.34 % CPUTime :
% 0.48/0.67
% 0.48/0.67 SPASS V 3.9
% 0.48/0.67 SPASS beiseite: Proof found.
% 0.48/0.67 % SZS status Theorem
% 0.48/0.67 Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.48/0.67 SPASS derived 406 clauses, backtracked 206 clauses, performed 2 splits and kept 668 clauses.
% 0.48/0.67 SPASS allocated 85826 KBytes.
% 0.48/0.67 SPASS spent 0:00:00.31 on the problem.
% 0.48/0.67 0:00:00.04 for the input.
% 0.48/0.67 0:00:00.05 for the FLOTTER CNF translation.
% 0.48/0.67 0:00:00.00 for inferences.
% 0.48/0.67 0:00:00.00 for the backtracking.
% 0.48/0.67 0:00:00.17 for the reduction.
% 0.48/0.67
% 0.48/0.67
% 0.48/0.67 Here is a proof with depth 1, length 6 :
% 0.48/0.67 % SZS output start Refutation
% See solution above
% 0.48/0.67 Formulae used in the proof : aSatz7_8 aSatz7_7
% 0.48/0.67
%------------------------------------------------------------------------------