TSTP Solution File: SEU361+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SEU361+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n025.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 13:15:52 EDT 2022

% Result   : Theorem 3.00s 3.16s
% Output   : Refutation 3.00s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :   15
% Syntax   : Number of clauses     :   26 (  17 unt;   2 nHn;  23 RR)
%            Number of literals    :   50 (   7 equ;  25 neg)
%            Maximal clause size   :    8 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   11 (   9 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   18 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(3,axiom,
    ( ~ rel_str(A)
    | bottom_of_relstr(A) = join_on_relstr(A,empty_set) ),
    file('SEU361+1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ rel_str(A)
    | element(join_on_relstr(A,B),the_carrier(A)) ),
    file('SEU361+1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ antisymmetric_relstr(A)
    | ~ rel_str(A)
    | ~ element(B,the_carrier(A))
    | B != join_on_relstr(A,C)
    | ~ ex_sup_of_relstr_set(A,C)
    | ~ element(D,the_carrier(A))
    | ~ relstr_set_smaller(A,C,D)
    | related(A,B,D) ),
    file('SEU361+1.p',unknown),
    [] ).

cnf(21,axiom,
    ( empty_carrier(A)
    | ~ antisymmetric_relstr(A)
    | ~ lower_bounded_relstr(A)
    | ~ rel_str(A)
    | ex_sup_of_relstr_set(A,empty_set) ),
    file('SEU361+1.p',unknown),
    [] ).

cnf(23,axiom,
    ~ empty_carrier(dollar_c8),
    file('SEU361+1.p',unknown),
    [] ).

cnf(24,axiom,
    ~ related(dollar_c8,bottom_of_relstr(dollar_c8),dollar_c7),
    file('SEU361+1.p',unknown),
    [] ).

cnf(26,axiom,
    ( ~ rel_str(A)
    | ~ element(B,the_carrier(A))
    | relstr_set_smaller(A,empty_set,B) ),
    file('SEU361+1.p',unknown),
    [] ).

cnf(29,axiom,
    ( ~ empty(A)
    | A = B
    | ~ empty(B) ),
    file('SEU361+1.p',unknown),
    [] ).

cnf(33,axiom,
    A = A,
    file('SEU361+1.p',unknown),
    [] ).

cnf(37,axiom,
    empty(empty_set),
    file('SEU361+1.p',unknown),
    [] ).

cnf(39,axiom,
    empty(dollar_c4),
    file('SEU361+1.p',unknown),
    [] ).

cnf(41,axiom,
    antisymmetric_relstr(dollar_c8),
    file('SEU361+1.p',unknown),
    [] ).

cnf(42,axiom,
    lower_bounded_relstr(dollar_c8),
    file('SEU361+1.p',unknown),
    [] ).

cnf(43,axiom,
    rel_str(dollar_c8),
    file('SEU361+1.p',unknown),
    [] ).

cnf(44,axiom,
    element(dollar_c7,the_carrier(dollar_c8)),
    file('SEU361+1.p',unknown),
    [] ).

cnf(76,plain,
    empty_set = dollar_c4,
    inference(hyper,[status(thm)],[39,29,37]),
    [iquote('hyper,39,29,37')] ).

cnf(89,plain,
    ( ~ rel_str(A)
    | ~ element(B,the_carrier(A))
    | relstr_set_smaller(A,dollar_c4,B) ),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[26]),76]),
    [iquote('back_demod,26,demod,76')] ).

cnf(91,plain,
    ( empty_carrier(A)
    | ~ antisymmetric_relstr(A)
    | ~ lower_bounded_relstr(A)
    | ~ rel_str(A)
    | ex_sup_of_relstr_set(A,dollar_c4) ),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[21]),76]),
    [iquote('back_demod,21,demod,76')] ).

cnf(92,plain,
    ( ~ rel_str(A)
    | bottom_of_relstr(A) = join_on_relstr(A,dollar_c4) ),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[3]),76]),
    [iquote('back_demod,3,demod,76')] ).

cnf(108,plain,
    element(join_on_relstr(dollar_c8,A),the_carrier(dollar_c8)),
    inference(hyper,[status(thm)],[43,4]),
    [iquote('hyper,43,4')] ).

cnf(2119,plain,
    bottom_of_relstr(dollar_c8) = join_on_relstr(dollar_c8,dollar_c4),
    inference(hyper,[status(thm)],[92,43]),
    [iquote('hyper,92,43')] ).

cnf(2247,plain,
    ~ related(dollar_c8,join_on_relstr(dollar_c8,dollar_c4),dollar_c7),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[24]),2119]),
    [iquote('back_demod,24,demod,2119')] ).

cnf(2408,plain,
    relstr_set_smaller(dollar_c8,dollar_c4,dollar_c7),
    inference(hyper,[status(thm)],[89,43,44]),
    [iquote('hyper,89,43,44')] ).

cnf(2508,plain,
    ex_sup_of_relstr_set(dollar_c8,dollar_c4),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[91,41,42,43]),23]),
    [iquote('hyper,91,41,42,43,unit_del,23')] ).

cnf(2517,plain,
    related(dollar_c8,join_on_relstr(dollar_c8,dollar_c4),dollar_c7),
    inference(hyper,[status(thm)],[2508,14,41,43,108,33,44,2408]),
    [iquote('hyper,2508,14,41,43,108,33,44,2408')] ).

cnf(2518,plain,
    $false,
    inference(binary,[status(thm)],[2517,2247]),
    [iquote('binary,2517.1,2247.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : SEU361+1 : TPTP v8.1.0. Released v3.3.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n025.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Wed Jul 27 08:01:15 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.01/2.21  ----- Otter 3.3f, August 2004 -----
% 2.01/2.21  The process was started by sandbox2 on n025.cluster.edu,
% 2.01/2.21  Wed Jul 27 08:01:15 2022
% 2.01/2.21  The command was "./otter".  The process ID is 17948.
% 2.01/2.21  
% 2.01/2.21  set(prolog_style_variables).
% 2.01/2.21  set(auto).
% 2.01/2.21     dependent: set(auto1).
% 2.01/2.21     dependent: set(process_input).
% 2.01/2.21     dependent: clear(print_kept).
% 2.01/2.21     dependent: clear(print_new_demod).
% 2.01/2.21     dependent: clear(print_back_demod).
% 2.01/2.21     dependent: clear(print_back_sub).
% 2.01/2.21     dependent: set(control_memory).
% 2.01/2.21     dependent: assign(max_mem, 12000).
% 2.01/2.21     dependent: assign(pick_given_ratio, 4).
% 2.01/2.21     dependent: assign(stats_level, 1).
% 2.01/2.21     dependent: assign(max_seconds, 10800).
% 2.01/2.21  clear(print_given).
% 2.01/2.21  
% 2.01/2.21  formula_list(usable).
% 2.01/2.21  all A (A=A).
% 2.01/2.21  all A B (in(A,B)-> -in(B,A)).
% 2.01/2.21  all A (empty(A)->finite(A)).
% 2.01/2.21  all A (rel_str(A)->bottom_of_relstr(A)=join_on_relstr(A,empty_set)).
% 2.01/2.21  $T.
% 2.01/2.21  all A B (rel_str(A)->element(join_on_relstr(A,B),the_carrier(A))).
% 2.01/2.21  all A (rel_str(A)->element(bottom_of_relstr(A),the_carrier(A))).
% 2.01/2.21  all A (rel_str(A)->one_sorted_str(A)).
% 2.01/2.21  $T.
% 2.01/2.21  $T.
% 2.01/2.21  $T.
% 2.01/2.21  exists A rel_str(A).
% 2.01/2.21  exists A one_sorted_str(A).
% 2.01/2.21  all A exists B element(B,A).
% 2.01/2.21  all A (-empty_carrier(A)&one_sorted_str(A)-> -empty(the_carrier(A))).
% 2.01/2.21  empty(empty_set).
% 2.01/2.21  exists A (-empty(A)&finite(A)).
% 2.01/2.21  exists A empty(A).
% 2.01/2.21  exists A (-empty(A)).
% 2.01/2.21  exists A (one_sorted_str(A)& -empty_carrier(A)).
% 2.01/2.21  all A B (in(A,B)->element(A,B)).
% 2.01/2.21  all A B (element(A,B)->empty(B)|in(A,B)).
% 2.01/2.21  all A (antisymmetric_relstr(A)&rel_str(A)-> (all B (element(B,the_carrier(A))-> (all C ((B=join_on_relstr(A,C)&ex_sup_of_relstr_set(A,C)->relstr_set_smaller(A,C,B)& (all D (element(D,the_carrier(A))-> (relstr_set_smaller(A,C,D)->related(A,B,D)))))& (relstr_set_smaller(A,C,B)& (all D (element(D,the_carrier(A))-> (relstr_set_smaller(A,C,D)->related(A,B,D))))->B=join_on_relstr(A,C)&ex_sup_of_relstr_set(A,C))))))).
% 2.01/2.21  all A (-empty_carrier(A)&antisymmetric_relstr(A)&lower_bounded_relstr(A)&rel_str(A)->ex_sup_of_relstr_set(A,empty_set)&ex_inf_of_relstr_set(A,the_carrier(A))).
% 2.01/2.21  -(all A (-empty_carrier(A)&antisymmetric_relstr(A)&lower_bounded_relstr(A)&rel_str(A)-> (all B (element(B,the_carrier(A))->related(A,bottom_of_relstr(A),B))))).
% 2.01/2.21  all A (empty(A)->A=empty_set).
% 2.01/2.21  all A (rel_str(A)-> (all B (element(B,the_carrier(A))->relstr_set_smaller(A,empty_set,B)&relstr_element_smaller(A,empty_set,B)))).
% 2.01/2.21  all A B (-(in(A,B)&empty(B))).
% 2.01/2.21  all A B (-(empty(A)&A!=B&empty(B))).
% 2.01/2.21  end_of_list.
% 2.01/2.21  
% 2.01/2.21  -------> usable clausifies to:
% 2.01/2.21  
% 2.01/2.21  list(usable).
% 2.01/2.21  0 [] A=A.
% 2.01/2.21  0 [] -in(A,B)| -in(B,A).
% 2.01/2.21  0 [] -empty(A)|finite(A).
% 2.01/2.21  0 [] -rel_str(A)|bottom_of_relstr(A)=join_on_relstr(A,empty_set).
% 2.01/2.21  0 [] $T.
% 2.01/2.21  0 [] -rel_str(A)|element(join_on_relstr(A,B),the_carrier(A)).
% 2.01/2.21  0 [] -rel_str(A)|element(bottom_of_relstr(A),the_carrier(A)).
% 2.01/2.21  0 [] -rel_str(A)|one_sorted_str(A).
% 2.01/2.21  0 [] $T.
% 2.01/2.21  0 [] $T.
% 2.01/2.21  0 [] $T.
% 2.01/2.21  0 [] rel_str($c1).
% 2.01/2.21  0 [] one_sorted_str($c2).
% 2.01/2.21  0 [] element($f1(A),A).
% 2.01/2.21  0 [] empty_carrier(A)| -one_sorted_str(A)| -empty(the_carrier(A)).
% 2.01/2.21  0 [] empty(empty_set).
% 2.01/2.21  0 [] -empty($c3).
% 2.01/2.21  0 [] finite($c3).
% 2.01/2.21  0 [] empty($c4).
% 2.01/2.21  0 [] -empty($c5).
% 2.01/2.21  0 [] one_sorted_str($c6).
% 2.01/2.21  0 [] -empty_carrier($c6).
% 2.01/2.21  0 [] -in(A,B)|element(A,B).
% 2.01/2.21  0 [] -element(A,B)|empty(B)|in(A,B).
% 2.01/2.21  0 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))|B!=join_on_relstr(A,C)| -ex_sup_of_relstr_set(A,C)|relstr_set_smaller(A,C,B).
% 2.01/2.21  0 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))|B!=join_on_relstr(A,C)| -ex_sup_of_relstr_set(A,C)| -element(D,the_carrier(A))| -relstr_set_smaller(A,C,D)|related(A,B,D).
% 2.01/2.21  0 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))| -relstr_set_smaller(A,C,B)|element($f2(A,B,C),the_carrier(A))|B=join_on_relstr(A,C).
% 2.01/2.21  0 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))| -relstr_set_smaller(A,C,B)|element($f2(A,B,C),the_carrier(A))|ex_sup_of_relstr_set(A,C).
% 2.01/2.21  0 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))| -relstr_set_smaller(A,C,B)|relstr_set_smaller(A,C,$f2(A,B,C))|B=join_on_relstr(A,C).
% 2.01/2.21  0 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))| -relstr_set_smaller(A,C,B)|relstr_set_smaller(A,C,$f2(A,B,C))|ex_sup_of_relstr_set(A,C).
% 2.01/2.21  0 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))| -relstr_set_smaller(A,C,B)| -related(A,B,$f2(A,B,C))|B=join_on_relstr(A,C).
% 2.01/2.21  0 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))| -relstr_set_smaller(A,C,B)| -related(A,B,$f2(A,B,C))|ex_sup_of_relstr_set(A,C).
% 2.01/2.21  0 [] empty_carrier(A)| -antisymmetric_relstr(A)| -lower_bounded_relstr(A)| -rel_str(A)|ex_sup_of_relstr_set(A,empty_set).
% 2.01/2.21  0 [] empty_carrier(A)| -antisymmetric_relstr(A)| -lower_bounded_relstr(A)| -rel_str(A)|ex_inf_of_relstr_set(A,the_carrier(A)).
% 2.01/2.21  0 [] -empty_carrier($c8).
% 2.01/2.21  0 [] antisymmetric_relstr($c8).
% 2.01/2.21  0 [] lower_bounded_relstr($c8).
% 2.01/2.21  0 [] rel_str($c8).
% 2.01/2.21  0 [] element($c7,the_carrier($c8)).
% 2.01/2.21  0 [] -related($c8,bottom_of_relstr($c8),$c7).
% 2.01/2.21  0 [] -empty(A)|A=empty_set.
% 2.01/2.21  0 [] -rel_str(A)| -element(B,the_carrier(A))|relstr_set_smaller(A,empty_set,B).
% 2.01/2.21  0 [] -rel_str(A)| -element(B,the_carrier(A))|relstr_element_smaller(A,empty_set,B).
% 2.01/2.21  0 [] -in(A,B)| -empty(B).
% 2.01/2.21  0 [] -empty(A)|A=B| -empty(B).
% 2.01/2.21  end_of_list.
% 2.01/2.21  
% 2.01/2.21  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=8.
% 2.01/2.21  
% 2.01/2.21  This ia a non-Horn set with equality.  The strategy will be
% 2.01/2.21  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 2.01/2.21  deletion, with positive clauses in sos and nonpositive
% 2.01/2.21  clauses in usable.
% 2.01/2.21  
% 2.01/2.21     dependent: set(knuth_bendix).
% 2.01/2.21     dependent: set(anl_eq).
% 2.01/2.21     dependent: set(para_from).
% 2.01/2.21     dependent: set(para_into).
% 2.01/2.21     dependent: clear(para_from_right).
% 2.01/2.21     dependent: clear(para_into_right).
% 2.01/2.21     dependent: set(para_from_vars).
% 2.01/2.21     dependent: set(eq_units_both_ways).
% 2.01/2.21     dependent: set(dynamic_demod_all).
% 2.01/2.21     dependent: set(dynamic_demod).
% 2.01/2.21     dependent: set(order_eq).
% 2.01/2.21     dependent: set(back_demod).
% 2.01/2.21     dependent: set(lrpo).
% 2.01/2.21     dependent: set(hyper_res).
% 2.01/2.21     dependent: set(unit_deletion).
% 2.01/2.21     dependent: set(factor).
% 2.01/2.21  
% 2.01/2.21  ------------> process usable:
% 2.01/2.21  ** KEPT (pick-wt=6): 1 [] -in(A,B)| -in(B,A).
% 2.01/2.21  ** KEPT (pick-wt=4): 2 [] -empty(A)|finite(A).
% 2.01/2.21  ** KEPT (pick-wt=8): 3 [] -rel_str(A)|bottom_of_relstr(A)=join_on_relstr(A,empty_set).
% 2.01/2.21  ** KEPT (pick-wt=8): 4 [] -rel_str(A)|element(join_on_relstr(A,B),the_carrier(A)).
% 2.01/2.21  ** KEPT (pick-wt=7): 5 [] -rel_str(A)|element(bottom_of_relstr(A),the_carrier(A)).
% 2.01/2.21  ** KEPT (pick-wt=4): 6 [] -rel_str(A)|one_sorted_str(A).
% 2.01/2.21  ** KEPT (pick-wt=7): 7 [] empty_carrier(A)| -one_sorted_str(A)| -empty(the_carrier(A)).
% 2.01/2.21  ** KEPT (pick-wt=2): 8 [] -empty($c3).
% 2.01/2.21  ** KEPT (pick-wt=2): 9 [] -empty($c5).
% 2.01/2.21  ** KEPT (pick-wt=2): 10 [] -empty_carrier($c6).
% 2.01/2.21  ** KEPT (pick-wt=6): 11 [] -in(A,B)|element(A,B).
% 2.01/2.21  ** KEPT (pick-wt=8): 12 [] -element(A,B)|empty(B)|in(A,B).
% 2.01/2.21  ** KEPT (pick-wt=20): 13 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))|B!=join_on_relstr(A,C)| -ex_sup_of_relstr_set(A,C)|relstr_set_smaller(A,C,B).
% 2.01/2.21  ** KEPT (pick-wt=28): 14 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))|B!=join_on_relstr(A,C)| -ex_sup_of_relstr_set(A,C)| -element(D,the_carrier(A))| -relstr_set_smaller(A,C,D)|related(A,B,D).
% 2.01/2.21  ** KEPT (pick-wt=24): 15 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))| -relstr_set_smaller(A,C,B)|element($f2(A,B,C),the_carrier(A))|B=join_on_relstr(A,C).
% 2.01/2.21  ** KEPT (pick-wt=22): 16 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))| -relstr_set_smaller(A,C,B)|element($f2(A,B,C),the_carrier(A))|ex_sup_of_relstr_set(A,C).
% 2.01/2.21  ** KEPT (pick-wt=24): 17 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))| -relstr_set_smaller(A,C,B)|relstr_set_smaller(A,C,$f2(A,B,C))|B=join_on_relstr(A,C).
% 2.01/2.21  ** KEPT (pick-wt=22): 18 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))| -relstr_set_smaller(A,C,B)|relstr_set_smaller(A,C,$f2(A,B,C))|ex_sup_of_relstr_set(A,C).
% 2.01/2.21  ** KEPT (pick-wt=24): 19 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))| -relstr_set_smaller(A,C,B)| -related(A,B,$f2(A,B,C))|B=join_on_relstr(A,C).
% 2.01/2.21  ** KEPT (pick-wt=22): 20 [] -antisymmetric_relstr(A)| -rel_str(A)| -element(B,the_carrier(A))| -relstr_set_smaller(A,C,B)| -related(A,B,$f2(A,B,C))|ex_sup_of_relstr_set(A,C).
% 2.01/2.21  ** KEPT (pick-wt=11): 21 [] empty_carrier(A)| -antisymmetric_relstr(A)| -lower_bounded_relstr(A)| -rel_str(A)|ex_sup_of_relstr_set(A,empty_set).
% 2.01/2.21  ** KEPT (pick-wt=12): 22 [] empty_carrier(A)| -antisymmetric_relstr(A)| -lower_bounded_relstr(A)| -rel_str(A)|ex_inf_of_relstr_set(A,the_carrier(A)).
% 3.00/3.16  ** KEPT (pick-wt=2): 23 [] -empty_carrier($c8).
% 3.00/3.16  ** KEPT (pick-wt=5): 24 [] -related($c8,bottom_of_relstr($c8),$c7).
% 3.00/3.16  ** KEPT (pick-wt=5): 25 [] -empty(A)|A=empty_set.
% 3.00/3.16  ** KEPT (pick-wt=10): 26 [] -rel_str(A)| -element(B,the_carrier(A))|relstr_set_smaller(A,empty_set,B).
% 3.00/3.16  ** KEPT (pick-wt=10): 27 [] -rel_str(A)| -element(B,the_carrier(A))|relstr_element_smaller(A,empty_set,B).
% 3.00/3.16  ** KEPT (pick-wt=5): 28 [] -in(A,B)| -empty(B).
% 3.00/3.16  ** KEPT (pick-wt=7): 29 [] -empty(A)|A=B| -empty(B).
% 3.00/3.16  
% 3.00/3.16  ------------> process sos:
% 3.00/3.16  ** KEPT (pick-wt=3): 33 [] A=A.
% 3.00/3.16  ** KEPT (pick-wt=2): 34 [] rel_str($c1).
% 3.00/3.16  ** KEPT (pick-wt=2): 35 [] one_sorted_str($c2).
% 3.00/3.16  ** KEPT (pick-wt=4): 36 [] element($f1(A),A).
% 3.00/3.16  ** KEPT (pick-wt=2): 37 [] empty(empty_set).
% 3.00/3.16  ** KEPT (pick-wt=2): 38 [] finite($c3).
% 3.00/3.16  ** KEPT (pick-wt=2): 39 [] empty($c4).
% 3.00/3.16  ** KEPT (pick-wt=2): 40 [] one_sorted_str($c6).
% 3.00/3.16  ** KEPT (pick-wt=2): 41 [] antisymmetric_relstr($c8).
% 3.00/3.16  ** KEPT (pick-wt=2): 42 [] lower_bounded_relstr($c8).
% 3.00/3.16  ** KEPT (pick-wt=2): 43 [] rel_str($c8).
% 3.00/3.16  ** KEPT (pick-wt=4): 44 [] element($c7,the_carrier($c8)).
% 3.00/3.16    Following clause subsumed by 33 during input processing: 0 [copy,33,flip.1] A=A.
% 3.00/3.16  33 back subsumes 32.
% 3.00/3.16  
% 3.00/3.16  ======= end of input processing =======
% 3.00/3.16  
% 3.00/3.16  =========== start of search ===========
% 3.00/3.16  
% 3.00/3.16  
% 3.00/3.16  Resetting weight limit to 8.
% 3.00/3.16  
% 3.00/3.16  
% 3.00/3.16  Resetting weight limit to 8.
% 3.00/3.16  
% 3.00/3.16  sos_size=2184
% 3.00/3.16  
% 3.00/3.16  -------- PROOF -------- 
% 3.00/3.16  
% 3.00/3.16  ----> UNIT CONFLICT at   0.95 sec ----> 2518 [binary,2517.1,2247.1] $F.
% 3.00/3.16  
% 3.00/3.16  Length of proof is 10.  Level of proof is 4.
% 3.00/3.16  
% 3.00/3.16  ---------------- PROOF ----------------
% 3.00/3.16  % SZS status Theorem
% 3.00/3.16  % SZS output start Refutation
% See solution above
% 3.00/3.16  ------------ end of proof -------------
% 3.00/3.16  
% 3.00/3.16  
% 3.00/3.16  Search stopped by max_proofs option.
% 3.00/3.16  
% 3.00/3.16  
% 3.00/3.16  Search stopped by max_proofs option.
% 3.00/3.16  
% 3.00/3.16  ============ end of search ============
% 3.00/3.16  
% 3.00/3.16  -------------- statistics -------------
% 3.00/3.16  clauses given                122
% 3.00/3.16  clauses generated           3995
% 3.00/3.16  clauses kept                2513
% 3.00/3.16  clauses forward subsumed    1679
% 3.00/3.16  clauses back subsumed         26
% 3.00/3.16  Kbytes malloced             4882
% 3.00/3.16  
% 3.00/3.16  ----------- times (seconds) -----------
% 3.00/3.16  user CPU time          0.95          (0 hr, 0 min, 0 sec)
% 3.00/3.16  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 3.00/3.16  wall-clock time        3             (0 hr, 0 min, 3 sec)
% 3.00/3.16  
% 3.00/3.16  That finishes the proof of the theorem.
% 3.00/3.16  
% 3.00/3.16  Process 17948 finished Wed Jul 27 08:01:18 2022
% 3.00/3.16  Otter interrupted
% 3.00/3.16  PROOF FOUND
%------------------------------------------------------------------------------