TSTP Solution File: MGT001+1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : MGT001+1 : TPTP v8.1.0. Released v2.0.0.
% 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 : Sun Jul 17 22:26:07 EDT 2022

% Result   : Theorem 0.37s 0.56s
% Output   : Refutation 0.37s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   27
%            Number of leaves      :   17
% Syntax   : Number of clauses     :   68 (  17 unt;   0 nHn;  68 RR)
%            Number of literals    :  307 (   0 equ; 240 neg)
%            Maximal clause size   :   11 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    9 (   8 usr;   1 prp; 0-3 aty)
%            Number of functors    :   21 (  21 usr;  18 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    organization(skc13,skc12),
    file('MGT001+1.p',unknown),
    [] ).

cnf(2,axiom,
    greater(skc10,skc11),
    file('MGT001+1.p',unknown),
    [] ).

cnf(3,axiom,
    organization(skc15,skc14),
    file('MGT001+1.p',unknown),
    [] ).

cnf(4,axiom,
    survival_chance(skc15,skc9,skc14),
    file('MGT001+1.p',unknown),
    [] ).

cnf(5,axiom,
    reorganization_free(skc13,skc12,skc12),
    file('MGT001+1.p',unknown),
    [] ).

cnf(6,axiom,
    inertia(skc13,skc11,skc12),
    file('MGT001+1.p',unknown),
    [] ).

cnf(7,axiom,
    survival_chance(skc13,skc8,skc12),
    file('MGT001+1.p',unknown),
    [] ).

cnf(8,axiom,
    inertia(skc15,skc10,skc14),
    file('MGT001+1.p',unknown),
    [] ).

cnf(9,axiom,
    reorganization_free(skc15,skc14,skc14),
    file('MGT001+1.p',unknown),
    [] ).

cnf(10,axiom,
    ~ greater(skc9,skc8),
    file('MGT001+1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ organization(u,v)
    | reliability(u,skf3(v,u),v) ),
    file('MGT001+1.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ organization(u,v)
    | accountability(u,skf4(v,u),v) ),
    file('MGT001+1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ organization(u,v)
    | reproducibility(u,skf5(v,u),v) ),
    file('MGT001+1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ organization(u,v)
    | ~ organization(w,x)
    | ~ greater(y,z)
    | ~ reorganization_free(u,v,v)
    | ~ reproducibility(u,x1,v)
    | ~ inertia(u,y,v)
    | ~ inertia(w,z,x)
    | ~ reproducibility(w,x2,x)
    | ~ reorganization_free(w,x,x)
    | greater(x1,x2) ),
    file('MGT001+1.p',unknown),
    [] ).

cnf(16,axiom,
    ( ~ organization(u,v)
    | ~ organization(w,x)
    | ~ greater(y,z)
    | ~ reliability(u,x1,v)
    | ~ accountability(u,x2,v)
    | ~ reproducibility(u,y,v)
    | ~ reproducibility(w,z,x)
    | ~ accountability(w,x3,x)
    | ~ reliability(w,x4,x)
    | greater(x2,x3) ),
    file('MGT001+1.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ organization(u,v)
    | ~ organization(w,x)
    | ~ greater(y,z)
    | ~ reliability(u,x1,v)
    | ~ accountability(u,x2,v)
    | ~ reproducibility(u,y,v)
    | ~ reproducibility(w,z,x)
    | ~ accountability(w,x3,x)
    | ~ reliability(w,x4,x)
    | greater(x1,x4) ),
    file('MGT001+1.p',unknown),
    [] ).

cnf(19,axiom,
    ( ~ greater(u,v)
    | ~ greater(w,x)
    | ~ organization(y,z)
    | ~ organization(x1,x2)
    | ~ survival_chance(y,x3,z)
    | ~ accountability(y,v,z)
    | ~ reliability(y,x,z)
    | ~ reliability(x1,w,x2)
    | ~ accountability(x1,u,x2)
    | ~ survival_chance(x1,x4,x2)
    | greater(x4,x3) ),
    file('MGT001+1.p',unknown),
    [] ).

cnf(20,plain,
    reliability(skc15,skf3(skc14,skc15),skc14),
    inference(res,[status(thm),theory(equality)],[3,11]),
    [iquote('0:Res:3.0,11.0')] ).

cnf(21,plain,
    accountability(skc15,skf4(skc14,skc15),skc14),
    inference(res,[status(thm),theory(equality)],[3,12]),
    [iquote('0:Res:3.0,12.0')] ).

cnf(22,plain,
    reproducibility(skc15,skf5(skc14,skc15),skc14),
    inference(res,[status(thm),theory(equality)],[3,13]),
    [iquote('0:Res:3.0,13.0')] ).

cnf(23,plain,
    ( ~ greater(u,v)
    | ~ greater(w,x)
    | ~ organization(y,z)
    | ~ survival_chance(y,x1,z)
    | ~ accountability(y,v,z)
    | ~ reliability(y,x,z)
    | ~ reliability(skc15,w,skc14)
    | ~ accountability(skc15,u,skc14)
    | ~ survival_chance(skc15,x2,skc14)
    | greater(x2,x1) ),
    inference(res,[status(thm),theory(equality)],[3,19]),
    [iquote('0:Res:3.0,19.3')] ).

cnf(29,plain,
    ( ~ greater(u,v)
    | ~ organization(w,x)
    | ~ reorganization_free(w,x,x)
    | ~ reproducibility(w,y,x)
    | ~ inertia(w,v,x)
    | ~ inertia(skc15,u,skc14)
    | ~ reproducibility(skc15,z,skc14)
    | ~ reorganization_free(skc15,skc14,skc14)
    | greater(z,y) ),
    inference(res,[status(thm),theory(equality)],[3,14]),
    [iquote('0:Res:3.0,14.8')] ).

cnf(44,plain,
    ( ~ organization(u,v)
    | ~ greater(w,x)
    | ~ inertia(u,x,v)
    | ~ reproducibility(u,y,v)
    | ~ reorganization_free(u,v,v)
    | ~ reproducibility(skc15,z,skc14)
    | ~ inertia(skc15,w,skc14)
    | greater(z,y) ),
    inference(mrr,[status(thm)],[29,9]),
    [iquote('0:MRR:29.7,9.0')] ).

cnf(73,plain,
    ( ~ organization(u,v)
    | ~ organization(u,v)
    | ~ organization(w,x)
    | ~ greater(y,z)
    | ~ accountability(u,x1,v)
    | ~ reproducibility(u,y,v)
    | ~ reproducibility(w,z,x)
    | ~ accountability(w,x2,x)
    | ~ reliability(w,x3,x)
    | greater(skf3(v,u),x3) ),
    inference(res,[status(thm),theory(equality)],[11,17]),
    [iquote('0:Res:11.1,17.3')] ).

cnf(75,plain,
    ( ~ organization(u,v)
    | ~ organization(w,x)
    | ~ greater(y,z)
    | ~ accountability(u,x1,v)
    | ~ reproducibility(u,y,v)
    | ~ reproducibility(w,z,x)
    | ~ accountability(w,x2,x)
    | ~ reliability(w,x3,x)
    | greater(skf3(v,u),x3) ),
    inference(obv,[status(thm),theory(equality)],[73]),
    [iquote('0:Obv:73.0')] ).

cnf(82,plain,
    ( ~ organization(u,v)
    | ~ organization(u,v)
    | ~ organization(w,x)
    | ~ greater(y,z)
    | ~ accountability(u,x1,v)
    | ~ reproducibility(u,y,v)
    | ~ reproducibility(w,z,x)
    | ~ accountability(w,x2,x)
    | ~ reliability(w,x3,x)
    | greater(x1,x2) ),
    inference(res,[status(thm),theory(equality)],[11,16]),
    [iquote('0:Res:11.1,16.3')] ).

cnf(84,plain,
    ( ~ organization(u,v)
    | ~ organization(w,x)
    | ~ greater(y,z)
    | ~ accountability(u,x1,v)
    | ~ reproducibility(u,y,v)
    | ~ reproducibility(w,z,x)
    | ~ accountability(w,x2,x)
    | ~ reliability(w,x3,x)
    | greater(x1,x2) ),
    inference(obv,[status(thm),theory(equality)],[82]),
    [iquote('0:Obv:82.0')] ).

cnf(90,plain,
    ( ~ organization(skc13,skc12)
    | ~ greater(u,skc11)
    | ~ reproducibility(skc13,v,skc12)
    | ~ reorganization_free(skc13,skc12,skc12)
    | ~ reproducibility(skc15,w,skc14)
    | ~ inertia(skc15,u,skc14)
    | greater(w,v) ),
    inference(res,[status(thm),theory(equality)],[6,44]),
    [iquote('0:Res:6.0,44.2')] ).

cnf(91,plain,
    ( ~ greater(u,skc11)
    | ~ reproducibility(skc13,v,skc12)
    | ~ reproducibility(skc15,w,skc14)
    | ~ inertia(skc15,u,skc14)
    | greater(w,v) ),
    inference(mrr,[status(thm)],[90,1,5]),
    [iquote('0:MRR:90.0,90.3,1.0,5.0')] ).

cnf(97,plain,
    ( ~ organization(skc13,skc12)
    | ~ greater(u,skc11)
    | ~ reproducibility(skc15,v,skc14)
    | ~ inertia(skc15,u,skc14)
    | greater(v,skf5(skc12,skc13)) ),
    inference(res,[status(thm),theory(equality)],[13,91]),
    [iquote('0:Res:13.1,91.1')] ).

cnf(98,plain,
    ( ~ greater(u,skc11)
    | ~ reproducibility(skc15,v,skc14)
    | ~ inertia(skc15,u,skc14)
    | greater(v,skf5(skc12,skc13)) ),
    inference(mrr,[status(thm)],[97,1]),
    [iquote('0:MRR:97.0,1.0')] ).

cnf(99,plain,
    ( ~ greater(u,skc11)
    | ~ inertia(skc15,u,skc14)
    | greater(skf5(skc14,skc15),skf5(skc12,skc13)) ),
    inference(res,[status(thm),theory(equality)],[22,98]),
    [iquote('0:Res:22.0,98.1')] ).

cnf(101,plain,
    ( ~ greater(skc10,skc11)
    | greater(skf5(skc14,skc15),skf5(skc12,skc13)) ),
    inference(res,[status(thm),theory(equality)],[8,99]),
    [iquote('0:Res:8.0,99.1')] ).

cnf(102,plain,
    greater(skf5(skc14,skc15),skf5(skc12,skc13)),
    inference(mrr,[status(thm)],[101,2]),
    [iquote('0:MRR:101.0,2.0')] ).

cnf(165,plain,
    ( ~ organization(skc15,skc14)
    | ~ organization(u,v)
    | ~ greater(w,x)
    | ~ reproducibility(skc15,w,skc14)
    | ~ reproducibility(u,x,v)
    | ~ accountability(u,y,v)
    | ~ reliability(u,z,v)
    | greater(skf4(skc14,skc15),y) ),
    inference(res,[status(thm),theory(equality)],[21,84]),
    [iquote('0:Res:21.0,84.3')] ).

cnf(167,plain,
    ( ~ organization(u,v)
    | ~ greater(w,x)
    | ~ reproducibility(skc15,w,skc14)
    | ~ reproducibility(u,x,v)
    | ~ accountability(u,y,v)
    | ~ reliability(u,z,v)
    | greater(skf4(skc14,skc15),y) ),
    inference(mrr,[status(thm)],[165,3]),
    [iquote('0:MRR:165.0,3.0')] ).

cnf(170,plain,
    ( ~ organization(u,v)
    | ~ greater(skf5(skc14,skc15),w)
    | ~ reproducibility(u,w,v)
    | ~ accountability(u,x,v)
    | ~ reliability(u,y,v)
    | greater(skf4(skc14,skc15),x) ),
    inference(res,[status(thm),theory(equality)],[22,167]),
    [iquote('0:Res:22.0,167.2')] ).

cnf(173,plain,
    ( ~ organization(u,v)
    | ~ reproducibility(u,skf5(skc12,skc13),v)
    | ~ accountability(u,w,v)
    | ~ reliability(u,x,v)
    | greater(skf4(skc14,skc15),w) ),
    inference(res,[status(thm),theory(equality)],[102,170]),
    [iquote('0:Res:102.0,170.1')] ).

cnf(175,plain,
    ( ~ organization(skc13,skc12)
    | ~ organization(skc13,skc12)
    | ~ accountability(skc13,u,skc12)
    | ~ reliability(skc13,v,skc12)
    | greater(skf4(skc14,skc15),u) ),
    inference(res,[status(thm),theory(equality)],[13,173]),
    [iquote('0:Res:13.1,173.1')] ).

cnf(176,plain,
    ( ~ organization(skc13,skc12)
    | ~ accountability(skc13,u,skc12)
    | ~ reliability(skc13,v,skc12)
    | greater(skf4(skc14,skc15),u) ),
    inference(obv,[status(thm),theory(equality)],[175]),
    [iquote('0:Obv:175.0')] ).

cnf(177,plain,
    ( ~ accountability(skc13,u,skc12)
    | ~ reliability(skc13,v,skc12)
    | greater(skf4(skc14,skc15),u) ),
    inference(mrr,[status(thm)],[176,1]),
    [iquote('0:MRR:176.0,1.0')] ).

cnf(183,plain,
    ( ~ organization(skc13,skc12)
    | ~ reliability(skc13,u,skc12)
    | greater(skf4(skc14,skc15),skf4(skc12,skc13)) ),
    inference(res,[status(thm),theory(equality)],[12,177]),
    [iquote('0:Res:12.1,177.0')] ).

cnf(184,plain,
    ( ~ reliability(skc13,u,skc12)
    | greater(skf4(skc14,skc15),skf4(skc12,skc13)) ),
    inference(mrr,[status(thm)],[183,1]),
    [iquote('0:MRR:183.0,1.0')] ).

cnf(185,plain,
    ( ~ organization(skc13,skc12)
    | greater(skf4(skc14,skc15),skf4(skc12,skc13)) ),
    inference(res,[status(thm),theory(equality)],[11,184]),
    [iquote('0:Res:11.1,184.0')] ).

cnf(186,plain,
    greater(skf4(skc14,skc15),skf4(skc12,skc13)),
    inference(mrr,[status(thm)],[185,1]),
    [iquote('0:MRR:185.0,1.0')] ).

cnf(269,plain,
    ( ~ organization(skc15,skc14)
    | ~ organization(u,v)
    | ~ greater(w,x)
    | ~ reproducibility(skc15,w,skc14)
    | ~ reproducibility(u,x,v)
    | ~ accountability(u,y,v)
    | ~ reliability(u,z,v)
    | greater(skf3(skc14,skc15),z) ),
    inference(res,[status(thm),theory(equality)],[21,75]),
    [iquote('0:Res:21.0,75.3')] ).

cnf(271,plain,
    ( ~ organization(u,v)
    | ~ greater(w,x)
    | ~ reproducibility(skc15,w,skc14)
    | ~ reproducibility(u,x,v)
    | ~ accountability(u,y,v)
    | ~ reliability(u,z,v)
    | greater(skf3(skc14,skc15),z) ),
    inference(mrr,[status(thm)],[269,3]),
    [iquote('0:MRR:269.0,3.0')] ).

cnf(284,plain,
    ( ~ greater(u,v)
    | ~ greater(w,x)
    | ~ organization(skc13,skc12)
    | ~ accountability(skc13,v,skc12)
    | ~ reliability(skc13,x,skc12)
    | ~ reliability(skc15,w,skc14)
    | ~ accountability(skc15,u,skc14)
    | ~ survival_chance(skc15,y,skc14)
    | greater(y,skc8) ),
    inference(res,[status(thm),theory(equality)],[7,23]),
    [iquote('0:Res:7.0,23.3')] ).

cnf(286,plain,
    ( ~ greater(u,v)
    | ~ greater(w,x)
    | ~ accountability(skc13,v,skc12)
    | ~ reliability(skc13,x,skc12)
    | ~ reliability(skc15,w,skc14)
    | ~ accountability(skc15,u,skc14)
    | ~ survival_chance(skc15,y,skc14)
    | greater(y,skc8) ),
    inference(mrr,[status(thm)],[284,1]),
    [iquote('0:MRR:284.2,1.0')] ).

cnf(329,plain,
    ( ~ organization(u,v)
    | ~ greater(skf5(skc14,skc15),w)
    | ~ reproducibility(u,w,v)
    | ~ accountability(u,x,v)
    | ~ reliability(u,y,v)
    | greater(skf3(skc14,skc15),y) ),
    inference(res,[status(thm),theory(equality)],[22,271]),
    [iquote('0:Res:22.0,271.2')] ).

cnf(332,plain,
    ( ~ organization(u,v)
    | ~ reproducibility(u,skf5(skc12,skc13),v)
    | ~ accountability(u,w,v)
    | ~ reliability(u,x,v)
    | greater(skf3(skc14,skc15),x) ),
    inference(res,[status(thm),theory(equality)],[102,329]),
    [iquote('0:Res:102.0,329.1')] ).

cnf(336,plain,
    ( ~ organization(skc13,skc12)
    | ~ organization(skc13,skc12)
    | ~ accountability(skc13,u,skc12)
    | ~ reliability(skc13,v,skc12)
    | greater(skf3(skc14,skc15),v) ),
    inference(res,[status(thm),theory(equality)],[13,332]),
    [iquote('0:Res:13.1,332.1')] ).

cnf(337,plain,
    ( ~ organization(skc13,skc12)
    | ~ accountability(skc13,u,skc12)
    | ~ reliability(skc13,v,skc12)
    | greater(skf3(skc14,skc15),v) ),
    inference(obv,[status(thm),theory(equality)],[336]),
    [iquote('0:Obv:336.0')] ).

cnf(338,plain,
    ( ~ accountability(skc13,u,skc12)
    | ~ reliability(skc13,v,skc12)
    | greater(skf3(skc14,skc15),v) ),
    inference(mrr,[status(thm)],[337,1]),
    [iquote('0:MRR:337.0,1.0')] ).

cnf(343,plain,
    ( ~ organization(skc13,skc12)
    | ~ reliability(skc13,u,skc12)
    | greater(skf3(skc14,skc15),u) ),
    inference(res,[status(thm),theory(equality)],[12,338]),
    [iquote('0:Res:12.1,338.0')] ).

cnf(344,plain,
    ( ~ reliability(skc13,u,skc12)
    | greater(skf3(skc14,skc15),u) ),
    inference(mrr,[status(thm)],[343,1]),
    [iquote('0:MRR:343.0,1.0')] ).

cnf(391,plain,
    ( ~ organization(skc13,skc12)
    | ~ greater(u,skf4(skc12,skc13))
    | ~ greater(v,w)
    | ~ reliability(skc13,w,skc12)
    | ~ reliability(skc15,v,skc14)
    | ~ accountability(skc15,u,skc14)
    | ~ survival_chance(skc15,x,skc14)
    | greater(x,skc8) ),
    inference(res,[status(thm),theory(equality)],[12,286]),
    [iquote('0:Res:12.1,286.2')] ).

cnf(392,plain,
    ( ~ greater(u,skf4(skc12,skc13))
    | ~ greater(v,w)
    | ~ reliability(skc13,w,skc12)
    | ~ reliability(skc15,v,skc14)
    | ~ accountability(skc15,u,skc14)
    | ~ survival_chance(skc15,x,skc14)
    | greater(x,skc8) ),
    inference(mrr,[status(thm)],[391,1]),
    [iquote('0:MRR:391.0,1.0')] ).

cnf(400,plain,
    ( ~ greater(u,v)
    | ~ reliability(skc13,v,skc12)
    | ~ reliability(skc15,u,skc14)
    | ~ accountability(skc15,skf4(skc14,skc15),skc14)
    | ~ survival_chance(skc15,w,skc14)
    | greater(w,skc8) ),
    inference(res,[status(thm),theory(equality)],[186,392]),
    [iquote('0:Res:186.0,392.0')] ).

cnf(402,plain,
    ( ~ greater(u,v)
    | ~ reliability(skc13,v,skc12)
    | ~ reliability(skc15,u,skc14)
    | ~ survival_chance(skc15,w,skc14)
    | greater(w,skc8) ),
    inference(mrr,[status(thm)],[400,21]),
    [iquote('0:MRR:400.3,21.0')] ).

cnf(403,plain,
    ( ~ organization(skc13,skc12)
    | ~ greater(u,skf3(skc12,skc13))
    | ~ reliability(skc15,u,skc14)
    | ~ survival_chance(skc15,v,skc14)
    | greater(v,skc8) ),
    inference(res,[status(thm),theory(equality)],[11,402]),
    [iquote('0:Res:11.1,402.1')] ).

cnf(404,plain,
    ( ~ greater(u,skf3(skc12,skc13))
    | ~ reliability(skc15,u,skc14)
    | ~ survival_chance(skc15,v,skc14)
    | greater(v,skc8) ),
    inference(mrr,[status(thm)],[403,1]),
    [iquote('0:MRR:403.0,1.0')] ).

cnf(409,plain,
    ( ~ reliability(skc13,skf3(skc12,skc13),skc12)
    | ~ reliability(skc15,skf3(skc14,skc15),skc14)
    | ~ survival_chance(skc15,u,skc14)
    | greater(u,skc8) ),
    inference(res,[status(thm),theory(equality)],[344,404]),
    [iquote('0:Res:344.1,404.0')] ).

cnf(413,plain,
    ( ~ reliability(skc13,skf3(skc12,skc13),skc12)
    | ~ survival_chance(skc15,u,skc14)
    | greater(u,skc8) ),
    inference(mrr,[status(thm)],[409,20]),
    [iquote('0:MRR:409.1,20.0')] ).

cnf(418,plain,
    ( ~ organization(skc13,skc12)
    | ~ survival_chance(skc15,u,skc14)
    | greater(u,skc8) ),
    inference(res,[status(thm),theory(equality)],[11,413]),
    [iquote('0:Res:11.1,413.0')] ).

cnf(419,plain,
    ( ~ survival_chance(skc15,u,skc14)
    | greater(u,skc8) ),
    inference(mrr,[status(thm)],[418,1]),
    [iquote('0:MRR:418.0,1.0')] ).

cnf(422,plain,
    greater(skc9,skc8),
    inference(res,[status(thm),theory(equality)],[4,419]),
    [iquote('0:Res:4.0,419.0')] ).

cnf(423,plain,
    $false,
    inference(mrr,[status(thm)],[422,10]),
    [iquote('0:MRR:422.0,10.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : MGT001+1 : TPTP v8.1.0. Released v2.0.0.
% 0.08/0.14  % Command  : run_spass %d %s
% 0.13/0.35  % Computer : n019.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % 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 : Thu Jun  9 09:15:40 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.37/0.56  
% 0.37/0.56  SPASS V 3.9 
% 0.37/0.56  SPASS beiseite: Proof found.
% 0.37/0.56  % SZS status Theorem
% 0.37/0.56  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.37/0.56  SPASS derived 273 clauses, backtracked 0 clauses, performed 0 splits and kept 219 clauses.
% 0.37/0.56  SPASS allocated 85628 KBytes.
% 0.37/0.56  SPASS spent	0:00:00.20 on the problem.
% 0.37/0.56  		0:00:00.04 for the input.
% 0.37/0.56  		0:00:00.04 for the FLOTTER CNF translation.
% 0.37/0.56  		0:00:00.01 for inferences.
% 0.37/0.56  		0:00:00.00 for the backtracking.
% 0.37/0.56  		0:00:00.07 for the reduction.
% 0.37/0.56  
% 0.37/0.56  
% 0.37/0.56  Here is a proof with depth 14, length 68 :
% 0.37/0.56  % SZS output start Refutation
% See solution above
% 0.37/0.56  Formulae used in the proof : t1_FOL mp1 mp2 mp3 a3_FOL a2_FOL a1_FOL
% 0.37/0.56  
%------------------------------------------------------------------------------