TSTP Solution File: MGT065-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : MGT065-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n007.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  : 300s
% DateTime : Wed Jul 27 13:06:16 EDT 2022

% Result   : Unsatisfiable 4.58s 4.76s
% Output   : Refutation 4.58s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   26
% Syntax   : Number of clauses     :   51 (  26 unt;  11 nHn;  45 RR)
%            Number of literals    :  102 (  16 equ;  36 neg)
%            Maximal clause size   :    5 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   11 (   9 usr;   1 prp; 0-3 aty)
%            Number of functors    :   13 (  13 usr;  11 con; 0-2 aty)
%            Number of variables   :   37 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( ~ smaller(A,B)
    | smaller_or_e_qual(A,B) ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ smaller(A,B)
    | greater(B,A) ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ greater(A,B)
    | smaller(B,A) ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ greater(A,B)
    | ~ greater(B,A) ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ greater(A,B)
    | ~ greater(B,C)
    | greater(A,C) ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ has_endowment(A)
    | ~ smaller_or_e_qual(age(A,B),eta)
    | has_immunity(A,B) ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ has_endowment(A)
    | ~ greater(age(A,B),eta)
    | ~ has_immunity(A,B) ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(19,axiom,
    ( ~ dissimilar(A,B,C)
    | ~ is_aligned(A,B)
    | ~ is_aligned(A,C) ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(22,axiom,
    ( ~ organization(A)
    | age(A,B) != zero
    | is_aligned(A,B) ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(23,axiom,
    ( ~ organization(A)
    | age(A,B) != zero
    | ~ greater(age(A,C),sigma)
    | dissimilar(A,B,C) ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(25,axiom,
    ( ~ organization(A)
    | ~ has_immunity(A,B)
    | hazard_of_mortality(A,B) = very_low ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(27,axiom,
    ( ~ organization(A)
    | has_immunity(A,B)
    | is_aligned(A,B)
    | ~ positional_advantage(A,B)
    | hazard_of_mortality(A,B) = mod1 ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(29,axiom,
    ( ~ organization(A)
    | has_immunity(A,B)
    | is_aligned(A,B)
    | positional_advantage(A,B)
    | hazard_of_mortality(A,B) = high ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(30,axiom,
    ( ~ greater(hazard_of_mortality(sk2,sk5),hazard_of_mortality(sk2,sk4))
    | hazard_of_mortality(sk2,sk4) != hazard_of_mortality(sk2,sk3) ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(31,plain,
    ~ greater(A,A),
    inference(factor,[status(thm)],[9]),
    [iquote('factor,9.1.2')] ).

cnf(34,axiom,
    A = A,
    file('MGT065-1.p',unknown),
    [] ).

cnf(35,axiom,
    ( smaller(A,B)
    | A = B
    | greater(A,B) ),
    file('MGT065-1.p',unknown),
    [] ).

cnf(36,axiom,
    greater(high,mod1),
    file('MGT065-1.p',unknown),
    [] ).

cnf(37,axiom,
    greater(mod1,low),
    file('MGT065-1.p',unknown),
    [] ).

cnf(38,axiom,
    greater(low,very_low),
    file('MGT065-1.p',unknown),
    [] ).

cnf(41,axiom,
    organization(sk2),
    file('MGT065-1.p',unknown),
    [] ).

cnf(43,axiom,
    has_endowment(sk2),
    file('MGT065-1.p',unknown),
    [] ).

cnf(44,axiom,
    age(sk2,sk3) = zero,
    file('MGT065-1.p',unknown),
    [] ).

cnf(48,axiom,
    greater(eta,zero),
    file('MGT065-1.p',unknown),
    [] ).

cnf(51,axiom,
    smaller_or_e_qual(age(sk2,sk4),eta),
    file('MGT065-1.p',unknown),
    [] ).

cnf(52,axiom,
    greater(age(sk2,sk5),sigma),
    file('MGT065-1.p',unknown),
    [] ).

cnf(54,axiom,
    greater(age(sk2,sk5),eta),
    file('MGT065-1.p',unknown),
    [] ).

cnf(57,plain,
    ( has_immunity(sk2,A)
    | is_aligned(sk2,A)
    | positional_advantage(sk2,A)
    | hazard_of_mortality(sk2,A) = high ),
    inference(hyper,[status(thm)],[41,29]),
    [iquote('hyper,41,29')] ).

cnf(68,plain,
    greater(high,low),
    inference(hyper,[status(thm)],[37,10,36]),
    [iquote('hyper,37,10,36')] ).

cnf(75,plain,
    ( A = B
    | greater(A,B)
    | greater(B,A) ),
    inference(hyper,[status(thm)],[35,7]),
    [iquote('hyper,35,7')] ).

cnf(123,plain,
    greater(mod1,very_low),
    inference(hyper,[status(thm)],[38,10,37]),
    [iquote('hyper,38,10,37')] ).

cnf(171,plain,
    smaller(zero,eta),
    inference(hyper,[status(thm)],[48,8]),
    [iquote('hyper,48,8')] ).

cnf(179,plain,
    is_aligned(sk2,sk3),
    inference(hyper,[status(thm)],[44,22,41]),
    [iquote('hyper,44,22,41')] ).

cnf(194,plain,
    ( ~ smaller_or_e_qual(zero,eta)
    | has_immunity(sk2,sk3) ),
    inference(unit_del,[status(thm)],[inference(para_from,[status(thm),theory(equality)],[44,12]),43]),
    [iquote('para_from,44.1.1,12.2.1,unit_del,43')] ).

cnf(208,plain,
    greater(high,very_low),
    inference(hyper,[status(thm)],[68,10,38]),
    [iquote('hyper,68,10,38')] ).

cnf(305,plain,
    has_immunity(sk2,sk4),
    inference(hyper,[status(thm)],[51,12,43]),
    [iquote('hyper,51,12,43')] ).

cnf(345,plain,
    dissimilar(sk2,sk3,sk5),
    inference(hyper,[status(thm)],[52,23,41,44]),
    [iquote('hyper,52,23,41,44')] ).

cnf(367,plain,
    smaller_or_e_qual(zero,eta),
    inference(hyper,[status(thm)],[171,2]),
    [iquote('hyper,171,2')] ).

cnf(485,plain,
    ( ~ greater(high,hazard_of_mortality(sk2,sk4))
    | hazard_of_mortality(sk2,sk4) != hazard_of_mortality(sk2,sk3)
    | has_immunity(sk2,sk5)
    | is_aligned(sk2,sk5)
    | positional_advantage(sk2,sk5) ),
    inference(para_from,[status(thm),theory(equality)],[57,30]),
    [iquote('para_from,57.4.1,30.1.1')] ).

cnf(518,plain,
    hazard_of_mortality(sk2,sk4) = very_low,
    inference(hyper,[status(thm)],[305,25,41]),
    [iquote('hyper,305,25,41')] ).

cnf(519,plain,
    ( hazard_of_mortality(sk2,sk3) != very_low
    | has_immunity(sk2,sk5)
    | is_aligned(sk2,sk5)
    | positional_advantage(sk2,sk5) ),
    inference(flip,[status(thm),theory(equality)],[inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[485]),518,518]),208])]),
    [iquote('back_demod,485,demod,518,518,unit_del,208,flip.1')] ).

cnf(529,plain,
    ( ~ greater(hazard_of_mortality(sk2,sk5),very_low)
    | hazard_of_mortality(sk2,sk3) != very_low ),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[30]),518,518])]),
    [iquote('back_demod,30,demod,518,518,flip.2')] ).

cnf(828,plain,
    has_immunity(sk2,sk3),
    inference(hyper,[status(thm)],[194,367]),
    [iquote('hyper,194,367')] ).

cnf(830,plain,
    hazard_of_mortality(sk2,sk3) = very_low,
    inference(hyper,[status(thm)],[828,25,41]),
    [iquote('hyper,828,25,41')] ).

cnf(831,plain,
    ~ greater(hazard_of_mortality(sk2,sk5),very_low),
    inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[529]),830]),34]),
    [iquote('back_demod,529,demod,830,unit_del,34')] ).

cnf(838,plain,
    ( has_immunity(sk2,sk5)
    | is_aligned(sk2,sk5)
    | positional_advantage(sk2,sk5) ),
    inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[519]),830]),34]),
    [iquote('back_demod,519,demod,830,unit_del,34')] ).

cnf(863,plain,
    ( has_immunity(sk2,sk5)
    | is_aligned(sk2,sk5)
    | ~ positional_advantage(sk2,sk5) ),
    inference(unit_del,[status(thm)],[inference(para_into,[status(thm),theory(equality)],[831,27]),123,41]),
    [iquote('para_into,831.1.1,27.5.1,unit_del,123,41')] ).

cnf(1299,plain,
    ( has_endowment(A)
    | greater(sk2,A)
    | greater(A,sk2) ),
    inference(para_from,[status(thm),theory(equality)],[75,43]),
    [iquote('para_from,75.1.1,43.1.1')] ).

cnf(4039,plain,
    ( has_immunity(sk2,sk5)
    | is_aligned(sk2,sk5) ),
    inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[863,838])])]),
    [iquote('hyper,863,838,factor_simp,factor_simp')] ).

cnf(4042,plain,
    has_immunity(sk2,sk5),
    inference(hyper,[status(thm)],[4039,19,345,179]),
    [iquote('hyper,4039,19,345,179')] ).

cnf(4049,plain,
    $false,
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[4042,13,1299,54]),31,31]),
    [iquote('hyper,4042,13,1299,54,unit_del,31,31')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : MGT065-1 : TPTP v8.1.0. Released v2.4.0.
% 0.11/0.13  % Command  : otter-tptp-script %s
% 0.12/0.34  % Computer : n007.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  : 300
% 0.12/0.34  % DateTime : Wed Jul 27 03:44:31 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.88/2.06  ----- Otter 3.3f, August 2004 -----
% 1.88/2.06  The process was started by sandbox on n007.cluster.edu,
% 1.88/2.06  Wed Jul 27 03:44:31 2022
% 1.88/2.06  The command was "./otter".  The process ID is 4602.
% 1.88/2.06  
% 1.88/2.06  set(prolog_style_variables).
% 1.88/2.06  set(auto).
% 1.88/2.06     dependent: set(auto1).
% 1.88/2.06     dependent: set(process_input).
% 1.88/2.06     dependent: clear(print_kept).
% 1.88/2.06     dependent: clear(print_new_demod).
% 1.88/2.06     dependent: clear(print_back_demod).
% 1.88/2.06     dependent: clear(print_back_sub).
% 1.88/2.06     dependent: set(control_memory).
% 1.88/2.06     dependent: assign(max_mem, 12000).
% 1.88/2.06     dependent: assign(pick_given_ratio, 4).
% 1.88/2.06     dependent: assign(stats_level, 1).
% 1.88/2.06     dependent: assign(max_seconds, 10800).
% 1.88/2.06  clear(print_given).
% 1.88/2.06  
% 1.88/2.06  list(usable).
% 1.88/2.06  0 [] A=A.
% 1.88/2.06  0 [] -smaller_or_e_qual(A,B)|smaller(A,B)|A=B.
% 1.88/2.06  0 [] -smaller(A,B)|smaller_or_e_qual(A,B).
% 1.88/2.06  0 [] A!=B|smaller_or_e_qual(A,B).
% 1.88/2.06  0 [] -greater_or_e_qual(A,B)|greater(A,B)|A=B.
% 1.88/2.06  0 [] -greater(A,B)|greater_or_e_qual(A,B).
% 1.88/2.06  0 [] A!=B|greater_or_e_qual(A,B).
% 1.88/2.06  0 [] -smaller(A,B)|greater(B,A).
% 1.88/2.06  0 [] -greater(A,B)|smaller(B,A).
% 1.88/2.06  0 [] -greater(A,B)| -greater(B,A).
% 1.88/2.06  0 [] -greater(A,B)| -greater(B,C)|greater(A,C).
% 1.88/2.06  0 [] smaller(A,B)|A=B|greater(A,B).
% 1.88/2.06  0 [] -has_endowment(A)|organization(A).
% 1.88/2.06  0 [] -has_endowment(A)| -smaller_or_e_qual(age(A,B),eta)|has_immunity(A,B).
% 1.88/2.06  0 [] -has_endowment(A)| -greater(age(A,B),eta)| -has_immunity(A,B).
% 1.88/2.06  0 [] -organization(A)|smaller_or_e_qual(age(A,sk1(A)),eta)|greater(age(A,sk1(A)),eta)|has_endowment(A).
% 1.88/2.06  0 [] -organization(A)|smaller_or_e_qual(age(A,sk1(A)),eta)|has_immunity(A,sk1(A))|has_endowment(A).
% 1.88/2.06  0 [] -organization(A)| -has_immunity(A,sk1(A))|greater(age(A,sk1(A)),eta)|has_endowment(A).
% 1.88/2.06  0 [] -organization(A)| -has_immunity(A,sk1(A))|has_immunity(A,sk1(A))|has_endowment(A).
% 1.88/2.06  0 [] -dissimilar(A,B,C)|organization(A).
% 1.88/2.06  0 [] -dissimilar(A,B,C)|is_aligned(A,B)|is_aligned(A,C).
% 1.88/2.06  0 [] -dissimilar(A,B,C)| -is_aligned(A,B)| -is_aligned(A,C).
% 1.88/2.06  0 [] -organization(A)| -is_aligned(A,B)|is_aligned(A,B)|dissimilar(A,B,C).
% 1.88/2.06  0 [] -organization(A)| -is_aligned(A,B)|is_aligned(A,C)|dissimilar(A,B,C).
% 1.88/2.06  0 [] -organization(A)| -is_aligned(A,B)|is_aligned(A,C)|dissimilar(A,C,B).
% 1.88/2.06  0 [] -organization(A)| -is_aligned(A,B)|is_aligned(A,B)|dissimilar(A,C,B).
% 1.88/2.06  0 [] -organization(A)|age(A,B)!=zero|is_aligned(A,B).
% 1.88/2.06  0 [] -organization(A)|age(A,B)!=zero| -greater(age(A,C),sigma)|dissimilar(A,B,C).
% 1.88/2.06  0 [] -organization(A)|age(A,B)!=zero| -dissimilar(A,B,C)|greater(age(A,C),sigma).
% 1.88/2.06  0 [] -organization(A)| -has_immunity(A,B)|hazard_of_mortality(A,B)=very_low.
% 1.88/2.06  0 [] -organization(A)|has_immunity(A,B)| -is_aligned(A,B)| -positional_advantage(A,B)|hazard_of_mortality(A,B)=low.
% 1.88/2.06  0 [] -organization(A)|has_immunity(A,B)|is_aligned(A,B)| -positional_advantage(A,B)|hazard_of_mortality(A,B)=mod1.
% 1.88/2.06  0 [] -organization(A)|has_immunity(A,B)| -is_aligned(A,B)|positional_advantage(A,B)|hazard_of_mortality(A,B)=mod2.
% 1.88/2.06  0 [] -organization(A)|has_immunity(A,B)|is_aligned(A,B)|positional_advantage(A,B)|hazard_of_mortality(A,B)=high.
% 1.88/2.06  0 [] greater(high,mod1).
% 1.88/2.06  0 [] greater(mod1,low).
% 1.88/2.06  0 [] greater(low,very_low).
% 1.88/2.06  0 [] greater(high,mod2).
% 1.88/2.06  0 [] greater(mod2,low).
% 1.88/2.06  0 [] organization(sk2).
% 1.88/2.06  0 [] robust_position(sk2)|fragile_position(sk2).
% 1.88/2.06  0 [] has_endowment(sk2).
% 1.88/2.06  0 [] age(sk2,sk3)=zero.
% 1.88/2.06  0 [] greater(sigma,zero).
% 1.88/2.06  0 [] greater(tau,zero).
% 1.88/2.06  0 [] greater(eta,zero).
% 1.88/2.06  0 [] smaller_or_e_qual(age(sk2,sk4),sigma).
% 1.88/2.06  0 [] smaller_or_e_qual(age(sk2,sk4),tau).
% 1.88/2.06  0 [] smaller_or_e_qual(age(sk2,sk4),eta).
% 1.88/2.06  0 [] greater(age(sk2,sk5),sigma).
% 1.88/2.06  0 [] greater(age(sk2,sk5),tau).
% 1.88/2.06  0 [] greater(age(sk2,sk5),eta).
% 1.88/2.06  0 [] -greater(hazard_of_mortality(sk2,sk5),hazard_of_mortality(sk2,sk4))|hazard_of_mortality(sk2,sk4)!=hazard_of_mortality(sk2,sk3).
% 1.88/2.06  end_of_list.
% 1.88/2.06  
% 1.88/2.06  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=5.
% 1.88/2.06  
% 1.88/2.06  This ia a non-Horn set with equality.  The strategy will be
% 1.88/2.06  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.88/2.06  deletion, with positive clauses in sos and nonpositive
% 1.88/2.06  clauses in usable.
% 1.88/2.06  
% 1.88/2.06     dependent: set(knuth_bendix).
% 1.88/2.06     dependent: set(anl_eq).
% 1.88/2.06     dependent: set(para_from).
% 1.88/2.06     dependent: set(para_into).
% 1.88/2.06     dependent: clear(para_from_right).
% 1.88/2.06     dependent: clear(para_into_right).
% 1.88/2.06     dependent: set(para_from_vars).
% 1.88/2.06     dependent: set(eq_units_both_ways).
% 1.88/2.06     dependent: set(dynamic_demod_all).
% 1.88/2.06     dependent: set(dynamic_demod).
% 1.88/2.06     dependent: set(order_eq).
% 1.88/2.06     dependent: set(back_demod).
% 1.88/2.06     dependent: set(lrpo).
% 1.88/2.06     dependent: set(hyper_res).
% 1.88/2.06     dependent: set(unit_deletion).
% 1.88/2.06     dependent: set(factor).
% 1.88/2.06  
% 1.88/2.06  ------------> process usable:
% 1.88/2.06  ** KEPT (pick-wt=9): 1 [] -smaller_or_e_qual(A,B)|smaller(A,B)|A=B.
% 1.88/2.06  ** KEPT (pick-wt=6): 2 [] -smaller(A,B)|smaller_or_e_qual(A,B).
% 1.88/2.06  ** KEPT (pick-wt=6): 3 [] A!=B|smaller_or_e_qual(A,B).
% 1.88/2.06  ** KEPT (pick-wt=9): 4 [] -greater_or_e_qual(A,B)|greater(A,B)|A=B.
% 1.88/2.06  ** KEPT (pick-wt=6): 5 [] -greater(A,B)|greater_or_e_qual(A,B).
% 1.88/2.06  ** KEPT (pick-wt=6): 6 [] A!=B|greater_or_e_qual(A,B).
% 1.88/2.06  ** KEPT (pick-wt=6): 7 [] -smaller(A,B)|greater(B,A).
% 1.88/2.06  ** KEPT (pick-wt=6): 8 [] -greater(A,B)|smaller(B,A).
% 1.88/2.06  ** KEPT (pick-wt=6): 9 [] -greater(A,B)| -greater(B,A).
% 1.88/2.06  ** KEPT (pick-wt=9): 10 [] -greater(A,B)| -greater(B,C)|greater(A,C).
% 1.88/2.06  ** KEPT (pick-wt=4): 11 [] -has_endowment(A)|organization(A).
% 1.88/2.06  ** KEPT (pick-wt=10): 12 [] -has_endowment(A)| -smaller_or_e_qual(age(A,B),eta)|has_immunity(A,B).
% 1.88/2.06  ** KEPT (pick-wt=10): 13 [] -has_endowment(A)| -greater(age(A,B),eta)| -has_immunity(A,B).
% 1.88/2.06  ** KEPT (pick-wt=16): 14 [] -organization(A)|smaller_or_e_qual(age(A,sk1(A)),eta)|greater(age(A,sk1(A)),eta)|has_endowment(A).
% 1.88/2.06  ** KEPT (pick-wt=14): 15 [] -organization(A)|smaller_or_e_qual(age(A,sk1(A)),eta)|has_immunity(A,sk1(A))|has_endowment(A).
% 1.88/2.06  ** KEPT (pick-wt=14): 16 [] -organization(A)| -has_immunity(A,sk1(A))|greater(age(A,sk1(A)),eta)|has_endowment(A).
% 1.88/2.06  ** KEPT (pick-wt=6): 17 [] -dissimilar(A,B,C)|organization(A).
% 1.88/2.06  ** KEPT (pick-wt=10): 18 [] -dissimilar(A,B,C)|is_aligned(A,B)|is_aligned(A,C).
% 1.88/2.06  ** KEPT (pick-wt=10): 19 [] -dissimilar(A,B,C)| -is_aligned(A,B)| -is_aligned(A,C).
% 1.88/2.06  ** KEPT (pick-wt=12): 20 [] -organization(A)| -is_aligned(A,B)|is_aligned(A,C)|dissimilar(A,B,C).
% 1.88/2.06  ** KEPT (pick-wt=12): 21 [] -organization(A)| -is_aligned(A,B)|is_aligned(A,C)|dissimilar(A,C,B).
% 1.88/2.06  ** KEPT (pick-wt=10): 22 [] -organization(A)|age(A,B)!=zero|is_aligned(A,B).
% 1.88/2.06  ** KEPT (pick-wt=16): 23 [] -organization(A)|age(A,B)!=zero| -greater(age(A,C),sigma)|dissimilar(A,B,C).
% 1.88/2.06  ** KEPT (pick-wt=16): 24 [] -organization(A)|age(A,B)!=zero| -dissimilar(A,B,C)|greater(age(A,C),sigma).
% 1.88/2.06  ** KEPT (pick-wt=10): 25 [] -organization(A)| -has_immunity(A,B)|hazard_of_mortality(A,B)=very_low.
% 1.88/2.06  ** KEPT (pick-wt=16): 26 [] -organization(A)|has_immunity(A,B)| -is_aligned(A,B)| -positional_advantage(A,B)|hazard_of_mortality(A,B)=low.
% 1.88/2.06  ** KEPT (pick-wt=16): 27 [] -organization(A)|has_immunity(A,B)|is_aligned(A,B)| -positional_advantage(A,B)|hazard_of_mortality(A,B)=mod1.
% 1.88/2.06  ** KEPT (pick-wt=16): 28 [] -organization(A)|has_immunity(A,B)| -is_aligned(A,B)|positional_advantage(A,B)|hazard_of_mortality(A,B)=mod2.
% 1.88/2.06  ** KEPT (pick-wt=16): 29 [] -organization(A)|has_immunity(A,B)|is_aligned(A,B)|positional_advantage(A,B)|hazard_of_mortality(A,B)=high.
% 1.88/2.06  ** KEPT (pick-wt=14): 30 [] -greater(hazard_of_mortality(sk2,sk5),hazard_of_mortality(sk2,sk4))|hazard_of_mortality(sk2,sk4)!=hazard_of_mortality(sk2,sk3).
% 1.88/2.06  
% 1.88/2.06  ------------> process sos:
% 1.88/2.06  ** KEPT (pick-wt=3): 34 [] A=A.
% 1.88/2.06  ** KEPT (pick-wt=9): 35 [] smaller(A,B)|A=B|greater(A,B).
% 1.88/2.06  ** KEPT (pick-wt=3): 36 [] greater(high,mod1).
% 1.88/2.06  ** KEPT (pick-wt=3): 37 [] greater(mod1,low).
% 1.88/2.06  ** KEPT (pick-wt=3): 38 [] greater(low,very_low).
% 1.88/2.06  ** KEPT (pick-wt=3): 39 [] greater(high,mod2).
% 1.88/2.06  ** KEPT (pick-wt=3): 40 [] greater(mod2,low).
% 1.88/2.06  ** KEPT (pick-wt=2): 41 [] organization(sk2).
% 1.88/2.06  ** KEPT (pick-wt=4): 42 [] robust_position(sk2)|fragile_position(sk2).
% 1.88/2.06  ** KEPT (pick-wt=2): 43 [] has_endowment(sk2).
% 1.88/2.06  ** KEPT (pick-wt=5): 44 [] age(sk2,sk3)=zero.
% 1.88/2.06  ---> New Demodulator: 45 [new_demod,44] age(sk2,sk3)=zero.
% 1.88/2.06  ** KEPT (pick-wt=3): 46 [] greater(sigma,zero).
% 1.88/2.06  ** KEPT (pick-wt=3): 47 [] greater(tau,zero).
% 1.88/2.06  ** KEPT (pick-wt=3): 48 [] greater(eta,zero).
% 1.88/2.06  ** KEPT (pick-wt=5): 49 [] smaller_or_e_qual(age(sk2,sk4),sigma).
% 1.88/2.06  ** KEPT (pick-wt=5): 50 [] smaller_or_e_qual(age(sk2,sk4),tau).
% 1.88/2.06  ** KEPT (pick-wt=5): 51 [] smaller_or_e_qual(age(sk2,sk4),eta).
% 1.88/2.06  ** KEPT (pick-wt=5): 52 [] greater(age(sk2,sk5),sigma).
% 1.88/2.06  ** KEPT (pick-wt=5): 53 [] greater(age(sk2,sk5),tau).
% 1.88/2.06  ** KEPT (pick-wt=5): 54 [] greater(age(sk2,sk5),eta).
% 4.58/4.76    Following clause subsumed by 34 during input processing: 0 [copy,34,flip.1] A=A.
% 4.58/4.76  >>>> Starting back demodulation with 45.
% 4.58/4.76  
% 4.58/4.76  ======= end of input processing =======
% 4.58/4.76  
% 4.58/4.76  =========== start of search ===========
% 4.58/4.76  
% 4.58/4.76  
% 4.58/4.76  Resetting weight limit to 9.
% 4.58/4.76  
% 4.58/4.76  
% 4.58/4.76  Resetting weight limit to 9.
% 4.58/4.76  
% 4.58/4.76  sos_size=3220
% 4.58/4.76  
% 4.58/4.76  -------- PROOF -------- 
% 4.58/4.76  
% 4.58/4.76  -----> EMPTY CLAUSE at   2.69 sec ----> 4049 [hyper,4042,13,1299,54,unit_del,31,31] $F.
% 4.58/4.76  
% 4.58/4.76  Length of proof is 24.  Level of proof is 8.
% 4.58/4.76  
% 4.58/4.76  ---------------- PROOF ----------------
% 4.58/4.76  % SZS status Unsatisfiable
% 4.58/4.76  % SZS output start Refutation
% See solution above
% 4.58/4.76  ------------ end of proof -------------
% 4.58/4.76  
% 4.58/4.76  
% 4.58/4.76  Search stopped by max_proofs option.
% 4.58/4.76  
% 4.58/4.76  
% 4.58/4.76  Search stopped by max_proofs option.
% 4.58/4.76  
% 4.58/4.76  ============ end of search ============
% 4.58/4.76  
% 4.58/4.76  -------------- statistics -------------
% 4.58/4.76  clauses given                547
% 4.58/4.76  clauses generated          32830
% 4.58/4.76  clauses kept                4044
% 4.58/4.76  clauses forward subsumed    4456
% 4.58/4.76  clauses back subsumed        359
% 4.58/4.76  Kbytes malloced             4882
% 4.58/4.76  
% 4.58/4.76  ----------- times (seconds) -----------
% 4.58/4.76  user CPU time          2.69          (0 hr, 0 min, 2 sec)
% 4.58/4.76  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 4.58/4.76  wall-clock time        4             (0 hr, 0 min, 4 sec)
% 4.58/4.76  
% 4.58/4.76  That finishes the proof of the theorem.
% 4.58/4.76  
% 4.58/4.76  Process 4602 finished Wed Jul 27 03:44:35 2022
% 4.58/4.76  Otter interrupted
% 4.58/4.76  PROOF FOUND
%------------------------------------------------------------------------------