TSTP Solution File: GRP170-1 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : GRP170-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n011.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 11:46:03 EDT 2022
% Result : Unsatisfiable 7.41s 7.59s
% Output : Refutation 7.41s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 6
% Syntax : Number of clauses : 11 ( 11 unt; 0 nHn; 11 RR)
% Number of literals : 11 ( 0 equ; 1 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 9 ( 9 usr; 7 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
equal(least_upper_bound(a,b),b),
file('GRP170-1.p',unknown),
[] ).
cnf(2,axiom,
equal(least_upper_bound(c,d),d),
file('GRP170-1.p',unknown),
[] ).
cnf(3,axiom,
~ equal(least_upper_bound(multiply(a,c),multiply(b,d)),multiply(b,d)),
file('GRP170-1.p',unknown),
[] ).
cnf(10,axiom,
equal(least_upper_bound(least_upper_bound(u,v),w),least_upper_bound(u,least_upper_bound(v,w))),
file('GRP170-1.p',unknown),
[] ).
cnf(15,axiom,
equal(multiply(u,least_upper_bound(v,w)),least_upper_bound(multiply(u,v),multiply(u,w))),
file('GRP170-1.p',unknown),
[] ).
cnf(17,axiom,
equal(multiply(least_upper_bound(u,v),w),least_upper_bound(multiply(u,w),multiply(v,w))),
file('GRP170-1.p',unknown),
[] ).
cnf(438,plain,
equal(least_upper_bound(multiply(a,u),multiply(b,u)),multiply(b,u)),
inference(spr,[status(thm),theory(equality)],[1,17]),
[iquote('0:SpR:1.0,17.0')] ).
cnf(783,plain,
equal(least_upper_bound(multiply(u,c),multiply(u,d)),multiply(u,d)),
inference(spr,[status(thm),theory(equality)],[2,15]),
[iquote('0:SpR:2.0,15.0')] ).
cnf(1131,plain,
equal(least_upper_bound(multiply(a,u),least_upper_bound(multiply(b,u),v)),least_upper_bound(multiply(b,u),v)),
inference(spr,[status(thm),theory(equality)],[438,10]),
[iquote('0:SpR:438.0,10.0')] ).
cnf(25032,plain,
equal(least_upper_bound(multiply(a,c),multiply(b,d)),multiply(b,d)),
inference(spr,[status(thm),theory(equality)],[783,1131]),
[iquote('0:SpR:783.0,1131.0')] ).
cnf(25063,plain,
$false,
inference(mrr,[status(thm)],[25032,3]),
[iquote('0:MRR:25032.0,3.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13 % Problem : GRP170-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.04/0.13 % Command : run_spass %d %s
% 0.13/0.34 % Computer : n011.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
% 0.13/0.35 % CPULimit : 300
% 0.13/0.35 % WCLimit : 600
% 0.13/0.35 % DateTime : Tue Jun 14 03:52:34 EDT 2022
% 0.13/0.35 % CPUTime :
% 7.41/7.59
% 7.41/7.59 SPASS V 3.9
% 7.41/7.59 SPASS beiseite: Proof found.
% 7.41/7.59 % SZS status Theorem
% 7.41/7.59 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 7.41/7.59 SPASS derived 16541 clauses, backtracked 0 clauses, performed 0 splits and kept 2866 clauses.
% 7.41/7.59 SPASS allocated 87303 KBytes.
% 7.41/7.59 SPASS spent 0:00:07.07 on the problem.
% 7.41/7.59 0:00:00.04 for the input.
% 7.41/7.59 0:00:00.00 for the FLOTTER CNF translation.
% 7.41/7.59 0:00:00.12 for inferences.
% 7.41/7.59 0:00:00.00 for the backtracking.
% 7.41/7.59 0:00:06.87 for the reduction.
% 7.41/7.59
% 7.41/7.59
% 7.41/7.59 Here is a proof with depth 3, length 11 :
% 7.41/7.59 % SZS output start Refutation
% See solution above
% 7.41/7.59 Formulae used in the proof : p03a_1 p03a_2 prove_p03a associativity_of_lub monotony_lub1 monotony_lub2
% 7.41/7.59
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