TSTP Solution File: GRP170-4 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP170-4 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n015.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 11:46:04 EDT 2022

% Result   : Unsatisfiable 6.10s 6.30s
% Output   : Refutation 6.10s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   17 (  17 unt;   0 nHn;  17 RR)
%            Number of literals    :   17 (   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    :   10 (  10 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(least_upper_bound(a,b),b),
    file('GRP170-4.p',unknown),
    [] ).

cnf(2,axiom,
    equal(greatest_lower_bound(c,d),c),
    file('GRP170-4.p',unknown),
    [] ).

cnf(3,axiom,
    ~ equal(least_upper_bound(multiply(a,c),multiply(b,d)),multiply(b,d)),
    file('GRP170-4.p',unknown),
    [] ).

cnf(7,axiom,
    equal(greatest_lower_bound(u,v),greatest_lower_bound(v,u)),
    file('GRP170-4.p',unknown),
    [] ).

cnf(8,axiom,
    equal(least_upper_bound(u,v),least_upper_bound(v,u)),
    file('GRP170-4.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('GRP170-4.p',unknown),
    [] ).

cnf(13,axiom,
    equal(least_upper_bound(u,greatest_lower_bound(u,v)),u),
    file('GRP170-4.p',unknown),
    [] ).

cnf(15,axiom,
    equal(multiply(u,least_upper_bound(v,w)),least_upper_bound(multiply(u,v),multiply(u,w))),
    file('GRP170-4.p',unknown),
    [] ).

cnf(17,axiom,
    equal(multiply(least_upper_bound(u,v),w),least_upper_bound(multiply(u,w),multiply(v,w))),
    file('GRP170-4.p',unknown),
    [] ).

cnf(44,plain,
    equal(least_upper_bound(u,greatest_lower_bound(v,u)),u),
    inference(spr,[status(thm),theory(equality)],[7,13]),
    [iquote('0:SpR:7.0,13.0')] ).

cnf(64,plain,
    equal(least_upper_bound(d,c),d),
    inference(spr,[status(thm),theory(equality)],[2,44]),
    [iquote('0:SpR:2.0,44.0')] ).

cnf(71,plain,
    equal(least_upper_bound(c,d),d),
    inference(rew,[status(thm),theory(equality)],[8,64]),
    [iquote('0:Rew:8.0,64.0')] ).

cnf(435,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(793,plain,
    equal(least_upper_bound(multiply(u,c),multiply(u,d)),multiply(u,d)),
    inference(spr,[status(thm),theory(equality)],[71,15]),
    [iquote('0:SpR:71.0,15.0')] ).

cnf(1137,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)],[435,10]),
    [iquote('0:SpR:435.0,10.0')] ).

cnf(23024,plain,
    equal(least_upper_bound(multiply(a,c),multiply(b,d)),multiply(b,d)),
    inference(spr,[status(thm),theory(equality)],[793,1137]),
    [iquote('0:SpR:793.0,1137.0')] ).

cnf(23050,plain,
    $false,
    inference(mrr,[status(thm)],[23024,3]),
    [iquote('0:MRR:23024.0,3.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP170-4 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.03/0.12  % Command  : run_spass %d %s
% 0.13/0.33  % Computer : n015.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Mon Jun 13 22:08:23 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 6.10/6.30  
% 6.10/6.30  SPASS V 3.9 
% 6.10/6.30  SPASS beiseite: Proof found.
% 6.10/6.30  % SZS status Theorem
% 6.10/6.30  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 6.10/6.30  SPASS derived 15160 clauses, backtracked 0 clauses, performed 0 splits and kept 2781 clauses.
% 6.10/6.30  SPASS allocated 85877 KBytes.
% 6.10/6.30  SPASS spent	0:00:05.82 on the problem.
% 6.10/6.30  		0:00:00.03 for the input.
% 6.10/6.30  		0:00:00.00 for the FLOTTER CNF translation.
% 6.10/6.30  		0:00:00.10 for inferences.
% 6.10/6.30  		0:00:00.00 for the backtracking.
% 6.10/6.30  		0:00:05.65 for the reduction.
% 6.10/6.30  
% 6.10/6.30  
% 6.10/6.30  Here is a proof with depth 4, length 17 :
% 6.10/6.30  % SZS output start Refutation
% See solution above
% 6.10/6.30  Formulae used in the proof : p03d_1 p03d_2 prove_p03d symmetry_of_glb symmetry_of_lub associativity_of_lub lub_absorbtion monotony_lub1 monotony_lub2
% 6.10/6.30  
%------------------------------------------------------------------------------