TSTP Solution File: GEO204+3 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : GEO204+3 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n028.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 12:54:48 EDT 2022

% Result   : Theorem 7.15s 7.35s
% Output   : Refutation 7.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   16
% Syntax   : Number of clauses     :   39 (  12 unt;  22 nHn;  20 RR)
%            Number of literals    :   84 (   0 equ;  18 neg)
%            Maximal clause size   :    6 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   52 (   3 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ distinct_points(A,A),
    file('GEO204+3.p',unknown),
    [] ).

cnf(2,axiom,
    ~ distinct_lines(A,A),
    file('GEO204+3.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ distinct_points(A,B)
    | distinct_points(A,C)
    | distinct_points(B,C) ),
    file('GEO204+3.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ distinct_lines(A,B)
    | distinct_lines(A,C)
    | distinct_lines(B,C) ),
    file('GEO204+3.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ distinct_points(A,B)
    | ~ apart_point_and_line(A,line_connecting(A,B)) ),
    file('GEO204+3.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ distinct_points(A,B)
    | ~ apart_point_and_line(B,line_connecting(A,B)) ),
    file('GEO204+3.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ distinct_points(A,B)
    | ~ distinct_lines(C,D)
    | apart_point_and_line(A,C)
    | apart_point_and_line(A,D)
    | apart_point_and_line(B,C)
    | apart_point_and_line(B,D) ),
    file('GEO204+3.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ apart_point_and_line(A,B)
    | distinct_lines(B,C)
    | apart_point_and_line(A,C) ),
    file('GEO204+3.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ distinct_lines(A,B)
    | convergent_lines(A,B) ),
    file('GEO204+3.p',unknown),
    [] ).

cnf(16,axiom,
    ~ convergent_lines(parallel_through_point(A,B),A),
    file('GEO204+3.p',unknown),
    [] ).

cnf(17,axiom,
    ~ apart_point_and_line(A,parallel_through_point(B,A)),
    file('GEO204+3.p',unknown),
    [] ).

cnf(33,axiom,
    ( ~ e_qual_points(A,B)
    | ~ distinct_points(A,B) ),
    file('GEO204+3.p',unknown),
    [] ).

cnf(38,axiom,
    ( ~ distinct_points(dollar_c3,dollar_c1)
    | ~ e_qual_lines(line_connecting(dollar_c3,dollar_c2),line_connecting(dollar_c3,dollar_c1)) ),
    file('GEO204+3.p',unknown),
    [] ).

cnf(41,axiom,
    ( e_qual_lines(A,B)
    | distinct_lines(A,B) ),
    file('GEO204+3.p',unknown),
    [] ).

cnf(45,axiom,
    distinct_points(dollar_c3,dollar_c2),
    file('GEO204+3.p',unknown),
    [] ).

cnf(46,axiom,
    e_qual_points(dollar_c2,dollar_c1),
    file('GEO204+3.p',unknown),
    [] ).

cnf(48,plain,
    ( distinct_points(dollar_c3,A)
    | distinct_points(dollar_c2,A) ),
    inference(hyper,[status(thm)],[45,4]),
    [iquote('hyper,45,4')] ).

cnf(57,plain,
    ( distinct_points(dollar_c2,A)
    | distinct_points(dollar_c3,B)
    | distinct_points(A,B) ),
    inference(hyper,[status(thm)],[48,4]),
    [iquote('hyper,48,4')] ).

cnf(59,plain,
    distinct_points(dollar_c3,dollar_c1),
    inference(hyper,[status(thm)],[48,33,46]),
    [iquote('hyper,48,33,46')] ).

cnf(60,plain,
    ( distinct_points(dollar_c3,A)
    | distinct_points(dollar_c2,B)
    | distinct_points(A,B) ),
    inference(hyper,[status(thm)],[48,4]),
    [iquote('hyper,48,4')] ).

cnf(61,plain,
    distinct_lines(line_connecting(dollar_c3,dollar_c2),line_connecting(dollar_c3,dollar_c1)),
    inference(hyper,[status(thm)],[59,38,41]),
    [iquote('hyper,59,38,41')] ).

cnf(62,plain,
    ( distinct_points(dollar_c3,A)
    | distinct_points(dollar_c1,A) ),
    inference(hyper,[status(thm)],[59,4]),
    [iquote('hyper,59,4')] ).

cnf(64,plain,
    distinct_points(dollar_c1,dollar_c3),
    inference(hyper,[status(thm)],[62,1]),
    [iquote('hyper,62,1')] ).

cnf(70,plain,
    ( apart_point_and_line(dollar_c1,line_connecting(dollar_c3,dollar_c2))
    | apart_point_and_line(dollar_c1,line_connecting(dollar_c3,dollar_c1))
    | apart_point_and_line(dollar_c3,line_connecting(dollar_c3,dollar_c2))
    | apart_point_and_line(dollar_c3,line_connecting(dollar_c3,dollar_c1)) ),
    inference(hyper,[status(thm)],[61,11,64]),
    [iquote('hyper,61,11,64')] ).

cnf(212,plain,
    ( distinct_points(dollar_c2,A)
    | distinct_points(A,dollar_c3) ),
    inference(hyper,[status(thm)],[57,1]),
    [iquote('hyper,57,1')] ).

cnf(219,plain,
    ( distinct_points(A,dollar_c3)
    | distinct_points(dollar_c2,B)
    | distinct_points(A,B) ),
    inference(hyper,[status(thm)],[212,4]),
    [iquote('hyper,212,4')] ).

cnf(239,plain,
    ( distinct_points(dollar_c3,A)
    | distinct_points(A,dollar_c1) ),
    inference(hyper,[status(thm)],[60,33,46]),
    [iquote('hyper,60,33,46')] ).

cnf(335,plain,
    ( distinct_points(A,dollar_c3)
    | distinct_points(A,B)
    | distinct_points(dollar_c2,C)
    | distinct_points(B,C) ),
    inference(hyper,[status(thm)],[219,4]),
    [iquote('hyper,219,4')] ).

cnf(345,plain,
    ( apart_point_and_line(dollar_c1,line_connecting(dollar_c3,dollar_c2))
    | apart_point_and_line(dollar_c3,line_connecting(dollar_c3,dollar_c2))
    | apart_point_and_line(dollar_c3,line_connecting(dollar_c3,dollar_c1)) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[70,8,239]),1]),
    [iquote('hyper,70,8,239,unit_del,1')] ).

cnf(4720,plain,
    ( distinct_points(A,dollar_c3)
    | distinct_points(A,B)
    | distinct_points(B,dollar_c1) ),
    inference(hyper,[status(thm)],[335,33,46]),
    [iquote('hyper,335,33,46')] ).

cnf(4721,plain,
    ( distinct_points(A,dollar_c3)
    | distinct_points(A,B)
    | distinct_points(B,dollar_c2) ),
    inference(hyper,[status(thm)],[335,1]),
    [iquote('hyper,335,1')] ).

cnf(4790,plain,
    ( apart_point_and_line(dollar_c1,line_connecting(dollar_c3,dollar_c2))
    | apart_point_and_line(dollar_c3,line_connecting(dollar_c3,dollar_c1)) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[345,7,4721]),1,1]),
    [iquote('hyper,345,7,4721,unit_del,1,1')] ).

cnf(4797,plain,
    apart_point_and_line(dollar_c1,line_connecting(dollar_c3,dollar_c2)),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[4790,7,4720]),1,1]),
    [iquote('hyper,4790,7,4720,unit_del,1,1')] ).

cnf(4798,plain,
    ( distinct_lines(line_connecting(dollar_c3,dollar_c2),A)
    | apart_point_and_line(dollar_c1,A) ),
    inference(hyper,[status(thm)],[4797,13]),
    [iquote('hyper,4797,13')] ).

cnf(4801,plain,
    ( apart_point_and_line(dollar_c1,A)
    | distinct_lines(line_connecting(dollar_c3,dollar_c2),B)
    | distinct_lines(A,B) ),
    inference(hyper,[status(thm)],[4798,5]),
    [iquote('hyper,4798,5')] ).

cnf(4806,plain,
    ( apart_point_and_line(dollar_c1,A)
    | distinct_lines(A,line_connecting(dollar_c3,dollar_c2)) ),
    inference(hyper,[status(thm)],[4801,2]),
    [iquote('hyper,4801,2')] ).

cnf(4808,plain,
    ( apart_point_and_line(dollar_c1,A)
    | convergent_lines(A,line_connecting(dollar_c3,dollar_c2)) ),
    inference(hyper,[status(thm)],[4806,15]),
    [iquote('hyper,4806,15')] ).

cnf(4809,plain,
    apart_point_and_line(dollar_c1,parallel_through_point(line_connecting(dollar_c3,dollar_c2),A)),
    inference(hyper,[status(thm)],[4808,16]),
    [iquote('hyper,4808,16')] ).

cnf(4810,plain,
    $false,
    inference(binary,[status(thm)],[4809,17]),
    [iquote('binary,4809.1,17.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : GEO204+3 : TPTP v8.1.0. Released v4.0.0.
% 0.04/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n028.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 07:29:34 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.71/1.93  ----- Otter 3.3f, August 2004 -----
% 1.71/1.93  The process was started by sandbox2 on n028.cluster.edu,
% 1.71/1.93  Wed Jul 27 07:29:34 2022
% 1.71/1.93  The command was "./otter".  The process ID is 21197.
% 1.71/1.93  
% 1.71/1.93  set(prolog_style_variables).
% 1.71/1.93  set(auto).
% 1.71/1.93     dependent: set(auto1).
% 1.71/1.93     dependent: set(process_input).
% 1.71/1.93     dependent: clear(print_kept).
% 1.71/1.93     dependent: clear(print_new_demod).
% 1.71/1.93     dependent: clear(print_back_demod).
% 1.71/1.93     dependent: clear(print_back_sub).
% 1.71/1.93     dependent: set(control_memory).
% 1.71/1.93     dependent: assign(max_mem, 12000).
% 1.71/1.93     dependent: assign(pick_given_ratio, 4).
% 1.71/1.93     dependent: assign(stats_level, 1).
% 1.71/1.93     dependent: assign(max_seconds, 10800).
% 1.71/1.93  clear(print_given).
% 1.71/1.93  
% 1.71/1.93  formula_list(usable).
% 1.71/1.93  all X (-distinct_points(X,X)).
% 1.71/1.93  all X (-distinct_lines(X,X)).
% 1.71/1.93  all X (-convergent_lines(X,X)).
% 1.71/1.93  all X Y Z (distinct_points(X,Y)->distinct_points(X,Z)|distinct_points(Y,Z)).
% 1.71/1.93  all X Y Z (distinct_lines(X,Y)->distinct_lines(X,Z)|distinct_lines(Y,Z)).
% 1.71/1.93  all X Y Z (convergent_lines(X,Y)->convergent_lines(X,Z)|convergent_lines(Y,Z)).
% 1.71/1.93  all X Y (distinct_points(X,Y)-> -apart_point_and_line(X,line_connecting(X,Y))).
% 1.71/1.93  all X Y (distinct_points(X,Y)-> -apart_point_and_line(Y,line_connecting(X,Y))).
% 1.71/1.93  all X Y (convergent_lines(X,Y)-> -apart_point_and_line(intersection_point(X,Y),X)).
% 1.71/1.93  all X Y (convergent_lines(X,Y)-> -apart_point_and_line(intersection_point(X,Y),Y)).
% 1.71/1.93  all X Y U V (distinct_points(X,Y)&distinct_lines(U,V)->apart_point_and_line(X,U)|apart_point_and_line(X,V)|apart_point_and_line(Y,U)|apart_point_and_line(Y,V)).
% 1.71/1.93  all X Y Z (apart_point_and_line(X,Y)->distinct_points(X,Z)|apart_point_and_line(Z,Y)).
% 1.71/1.93  all X Y Z (apart_point_and_line(X,Y)->distinct_lines(Y,Z)|apart_point_and_line(X,Z)).
% 1.71/1.93  all X Y Z (convergent_lines(X,Y)->distinct_lines(Y,Z)|convergent_lines(X,Z)).
% 1.71/1.93  all X Y (distinct_lines(X,Y)->convergent_lines(X,Y)).
% 1.71/1.93  all X Y (-convergent_lines(parallel_through_point(Y,X),Y)).
% 1.71/1.93  all X Y (-apart_point_and_line(X,parallel_through_point(Y,X))).
% 1.71/1.93  all X Y Z (distinct_lines(Y,Z)->apart_point_and_line(X,Y)|apart_point_and_line(X,Z)|convergent_lines(Y,Z)).
% 1.71/1.93  all L M (convergent_lines(L,M)|unorthogonal_lines(L,M)).
% 1.71/1.93  all L M N (convergent_lines(L,M)&unorthogonal_lines(L,M)->convergent_lines(L,N)&unorthogonal_lines(L,N)|convergent_lines(M,N)&unorthogonal_lines(M,N)).
% 1.71/1.93  all A L (-unorthogonal_lines(orthogonal_through_point(L,A),L)).
% 1.71/1.93  all A L (-apart_point_and_line(A,orthogonal_through_point(L,A))).
% 1.71/1.93  all A L M N (distinct_lines(L,M)->apart_point_and_line(A,L)|apart_point_and_line(A,M)|unorthogonal_lines(L,N)|unorthogonal_lines(M,N)).
% 1.71/1.93  all L M (-(-convergent_lines(L,M)& -unorthogonal_lines(L,M))).
% 1.71/1.93  all L M N ((-convergent_lines(L,M)| -unorthogonal_lines(L,M))& (-convergent_lines(L,N)| -unorthogonal_lines(L,N))-> -convergent_lines(M,N)| -unorthogonal_lines(M,N)).
% 1.71/1.93  all L M N (-unorthogonal_lines(L,M)& -unorthogonal_lines(L,N)-> -convergent_lines(M,N)).
% 1.71/1.93  all A B (point(A)&point(B)&distinct_points(A,B)->line(line_connecting(A,B))).
% 1.71/1.93  all L M (line(L)&line(M)&convergent_lines(L,M)->point(intersection_point(L,M))).
% 1.71/1.93  all L A (line(L)&point(A)->line(parallel_through_point(L,A))).
% 1.71/1.93  all L A (line(L)&point(A)->line(orthogonal_through_point(L,A))).
% 1.71/1.93  all X Y (e_qual_points(X,Y)<-> -distinct_points(X,Y)).
% 1.71/1.93  all X Y (e_qual_lines(X,Y)<-> -distinct_lines(X,Y)).
% 1.71/1.93  all X Y (parallel_lines(X,Y)<-> -convergent_lines(X,Y)).
% 1.71/1.93  all X Y (incident_point_and_line(X,Y)<-> -apart_point_and_line(X,Y)).
% 1.71/1.93  all X Y (orthogonal_lines(X,Y)<-> -unorthogonal_lines(X,Y)).
% 1.71/1.93  -(all X Y Z (distinct_points(X,Y)&e_qual_points(Y,Z)->distinct_points(X,Z)&e_qual_lines(line_connecting(X,Y),line_connecting(X,Z)))).
% 1.71/1.93  end_of_list.
% 1.71/1.93  
% 1.71/1.93  -------> usable clausifies to:
% 1.71/1.93  
% 1.71/1.93  list(usable).
% 1.71/1.93  0 [] -distinct_points(X,X).
% 1.71/1.93  0 [] -distinct_lines(X,X).
% 1.71/1.93  0 [] -convergent_lines(X,X).
% 1.71/1.93  0 [] -distinct_points(X,Y)|distinct_points(X,Z)|distinct_points(Y,Z).
% 1.71/1.93  0 [] -distinct_lines(X,Y)|distinct_lines(X,Z)|distinct_lines(Y,Z).
% 1.71/1.93  0 [] -convergent_lines(X,Y)|convergent_lines(X,Z)|convergent_lines(Y,Z).
% 1.71/1.93  0 [] -distinct_points(X,Y)| -apart_point_and_line(X,line_connecting(X,Y)).
% 1.71/1.93  0 [] -distinct_points(X,Y)| -apart_point_and_line(Y,line_connecting(X,Y)).
% 1.71/1.93  0 [] -convergent_lines(X,Y)| -apart_point_and_line(intersection_point(X,Y),X).
% 1.71/1.94  0 [] -convergent_lines(X,Y)| -apart_point_and_line(intersection_point(X,Y),Y).
% 1.71/1.94  0 [] -distinct_points(X,Y)| -distinct_lines(U,V)|apart_point_and_line(X,U)|apart_point_and_line(X,V)|apart_point_and_line(Y,U)|apart_point_and_line(Y,V).
% 1.71/1.94  0 [] -apart_point_and_line(X,Y)|distinct_points(X,Z)|apart_point_and_line(Z,Y).
% 1.71/1.94  0 [] -apart_point_and_line(X,Y)|distinct_lines(Y,Z)|apart_point_and_line(X,Z).
% 1.71/1.94  0 [] -convergent_lines(X,Y)|distinct_lines(Y,Z)|convergent_lines(X,Z).
% 1.71/1.94  0 [] -distinct_lines(X,Y)|convergent_lines(X,Y).
% 1.71/1.94  0 [] -convergent_lines(parallel_through_point(Y,X),Y).
% 1.71/1.94  0 [] -apart_point_and_line(X,parallel_through_point(Y,X)).
% 1.71/1.94  0 [] -distinct_lines(Y,Z)|apart_point_and_line(X,Y)|apart_point_and_line(X,Z)|convergent_lines(Y,Z).
% 1.71/1.94  0 [] convergent_lines(L,M)|unorthogonal_lines(L,M).
% 1.71/1.94  0 [] -convergent_lines(L,M)| -unorthogonal_lines(L,M)|convergent_lines(L,N)|convergent_lines(M,N).
% 1.71/1.94  0 [] -convergent_lines(L,M)| -unorthogonal_lines(L,M)|convergent_lines(L,N)|unorthogonal_lines(M,N).
% 1.71/1.94  0 [] -convergent_lines(L,M)| -unorthogonal_lines(L,M)|unorthogonal_lines(L,N)|convergent_lines(M,N).
% 1.71/1.94  0 [] -convergent_lines(L,M)| -unorthogonal_lines(L,M)|unorthogonal_lines(L,N)|unorthogonal_lines(M,N).
% 1.71/1.94  0 [] -unorthogonal_lines(orthogonal_through_point(L,A),L).
% 1.71/1.94  0 [] -apart_point_and_line(A,orthogonal_through_point(L,A)).
% 1.71/1.94  0 [] -distinct_lines(L,M)|apart_point_and_line(A,L)|apart_point_and_line(A,M)|unorthogonal_lines(L,N)|unorthogonal_lines(M,N).
% 1.71/1.94  0 [] convergent_lines(L,M)|unorthogonal_lines(L,M).
% 1.71/1.94  0 [] convergent_lines(L,M)|convergent_lines(L,N)| -convergent_lines(M,N)| -unorthogonal_lines(M,N).
% 1.71/1.94  0 [] convergent_lines(L,M)|unorthogonal_lines(L,N)| -convergent_lines(M,N)| -unorthogonal_lines(M,N).
% 1.71/1.94  0 [] unorthogonal_lines(L,M)|convergent_lines(L,N)| -convergent_lines(M,N)| -unorthogonal_lines(M,N).
% 1.71/1.94  0 [] unorthogonal_lines(L,M)|unorthogonal_lines(L,N)| -convergent_lines(M,N)| -unorthogonal_lines(M,N).
% 1.71/1.94  0 [] unorthogonal_lines(L,M)|unorthogonal_lines(L,N)| -convergent_lines(M,N).
% 1.71/1.94  0 [] -point(A)| -point(B)| -distinct_points(A,B)|line(line_connecting(A,B)).
% 1.71/1.94  0 [] -line(L)| -line(M)| -convergent_lines(L,M)|point(intersection_point(L,M)).
% 1.71/1.94  0 [] -line(L)| -point(A)|line(parallel_through_point(L,A)).
% 1.71/1.94  0 [] -line(L)| -point(A)|line(orthogonal_through_point(L,A)).
% 1.71/1.94  0 [] -e_qual_points(X,Y)| -distinct_points(X,Y).
% 1.71/1.94  0 [] e_qual_points(X,Y)|distinct_points(X,Y).
% 1.71/1.94  0 [] -e_qual_lines(X,Y)| -distinct_lines(X,Y).
% 1.71/1.94  0 [] e_qual_lines(X,Y)|distinct_lines(X,Y).
% 1.71/1.94  0 [] -parallel_lines(X,Y)| -convergent_lines(X,Y).
% 1.71/1.94  0 [] parallel_lines(X,Y)|convergent_lines(X,Y).
% 1.71/1.94  0 [] -incident_point_and_line(X,Y)| -apart_point_and_line(X,Y).
% 1.71/1.94  0 [] incident_point_and_line(X,Y)|apart_point_and_line(X,Y).
% 1.71/1.94  0 [] -orthogonal_lines(X,Y)| -unorthogonal_lines(X,Y).
% 1.71/1.94  0 [] orthogonal_lines(X,Y)|unorthogonal_lines(X,Y).
% 1.71/1.94  0 [] distinct_points($c3,$c2).
% 1.71/1.94  0 [] e_qual_points($c2,$c1).
% 1.71/1.94  0 [] -distinct_points($c3,$c1)| -e_qual_lines(line_connecting($c3,$c2),line_connecting($c3,$c1)).
% 1.71/1.94  end_of_list.
% 1.71/1.94  
% 1.71/1.94  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=6.
% 1.71/1.94  
% 1.71/1.94  This is a non-Horn set without equality.  The strategy will
% 1.71/1.94  be ordered hyper_res, unit deletion, and factoring, with
% 1.71/1.94  satellites in sos and with nuclei in usable.
% 1.71/1.94  
% 1.71/1.94     dependent: set(hyper_res).
% 1.71/1.94     dependent: set(factor).
% 1.71/1.94     dependent: set(unit_deletion).
% 1.71/1.94  
% 1.71/1.94  ------------> process usable:
% 1.71/1.94  ** KEPT (pick-wt=3): 1 [] -distinct_points(A,A).
% 1.71/1.94  ** KEPT (pick-wt=3): 2 [] -distinct_lines(A,A).
% 1.71/1.94  ** KEPT (pick-wt=3): 3 [] -convergent_lines(A,A).
% 1.71/1.94  ** KEPT (pick-wt=9): 4 [] -distinct_points(A,B)|distinct_points(A,C)|distinct_points(B,C).
% 1.71/1.94  ** KEPT (pick-wt=9): 5 [] -distinct_lines(A,B)|distinct_lines(A,C)|distinct_lines(B,C).
% 1.71/1.94  ** KEPT (pick-wt=9): 6 [] -convergent_lines(A,B)|convergent_lines(A,C)|convergent_lines(B,C).
% 1.71/1.94  ** KEPT (pick-wt=8): 7 [] -distinct_points(A,B)| -apart_point_and_line(A,line_connecting(A,B)).
% 1.71/1.94  ** KEPT (pick-wt=8): 8 [] -distinct_points(A,B)| -apart_point_and_line(B,line_connecting(A,B)).
% 1.71/1.94  ** KEPT (pick-wt=8): 9 [] -convergent_lines(A,B)| -apart_point_and_line(intersection_point(A,B),A).
% 1.71/1.94  ** KEPT (pick-wt=8): 10 [] -convergent_lines(A,B)| -apart_point_and_line(intersection_point(A,B),B).
% 4.32/4.51  ** KEPT (pick-wt=18): 11 [] -distinct_points(A,B)| -distinct_lines(C,D)|apart_point_and_line(A,C)|apart_point_and_line(A,D)|apart_point_and_line(B,C)|apart_point_and_line(B,D).
% 4.32/4.51  ** KEPT (pick-wt=9): 12 [] -apart_point_and_line(A,B)|distinct_points(A,C)|apart_point_and_line(C,B).
% 4.32/4.51  ** KEPT (pick-wt=9): 13 [] -apart_point_and_line(A,B)|distinct_lines(B,C)|apart_point_and_line(A,C).
% 4.32/4.51  ** KEPT (pick-wt=9): 14 [] -convergent_lines(A,B)|distinct_lines(B,C)|convergent_lines(A,C).
% 4.32/4.51  ** KEPT (pick-wt=6): 15 [] -distinct_lines(A,B)|convergent_lines(A,B).
% 4.32/4.51  ** KEPT (pick-wt=5): 16 [] -convergent_lines(parallel_through_point(A,B),A).
% 4.32/4.51  ** KEPT (pick-wt=5): 17 [] -apart_point_and_line(A,parallel_through_point(B,A)).
% 4.32/4.51    Following clause subsumed by 15 during input processing: 0 [] -distinct_lines(A,B)|apart_point_and_line(C,A)|apart_point_and_line(C,B)|convergent_lines(A,B).
% 4.32/4.51    Following clause subsumed by 6 during input processing: 0 [] -convergent_lines(A,B)| -unorthogonal_lines(A,B)|convergent_lines(A,C)|convergent_lines(B,C).
% 4.32/4.51  ** KEPT (pick-wt=12): 18 [] -convergent_lines(A,B)| -unorthogonal_lines(A,B)|convergent_lines(A,C)|unorthogonal_lines(B,C).
% 4.32/4.51  ** KEPT (pick-wt=12): 19 [] -convergent_lines(A,B)| -unorthogonal_lines(A,B)|unorthogonal_lines(A,C)|convergent_lines(B,C).
% 4.32/4.51  ** KEPT (pick-wt=12): 20 [] -convergent_lines(A,B)| -unorthogonal_lines(A,B)|unorthogonal_lines(A,C)|unorthogonal_lines(B,C).
% 4.32/4.51  ** KEPT (pick-wt=5): 21 [] -unorthogonal_lines(orthogonal_through_point(A,B),A).
% 4.32/4.51  ** KEPT (pick-wt=5): 22 [] -apart_point_and_line(A,orthogonal_through_point(B,A)).
% 4.32/4.51  ** KEPT (pick-wt=15): 23 [] -distinct_lines(A,B)|apart_point_and_line(C,A)|apart_point_and_line(C,B)|unorthogonal_lines(A,D)|unorthogonal_lines(B,D).
% 4.32/4.51  ** KEPT (pick-wt=12): 24 [] convergent_lines(A,B)|convergent_lines(A,C)| -convergent_lines(B,C)| -unorthogonal_lines(B,C).
% 4.32/4.51  ** KEPT (pick-wt=12): 25 [] convergent_lines(A,B)|unorthogonal_lines(A,C)| -convergent_lines(B,C)| -unorthogonal_lines(B,C).
% 4.32/4.51  ** KEPT (pick-wt=12): 26 [] unorthogonal_lines(A,B)|convergent_lines(A,C)| -convergent_lines(B,C)| -unorthogonal_lines(B,C).
% 4.32/4.51  ** KEPT (pick-wt=12): 27 [] unorthogonal_lines(A,B)|unorthogonal_lines(A,C)| -convergent_lines(B,C)| -unorthogonal_lines(B,C).
% 4.32/4.51  ** KEPT (pick-wt=9): 28 [] unorthogonal_lines(A,B)|unorthogonal_lines(A,C)| -convergent_lines(B,C).
% 4.32/4.51  ** KEPT (pick-wt=11): 29 [] -point(A)| -point(B)| -distinct_points(A,B)|line(line_connecting(A,B)).
% 4.32/4.51  ** KEPT (pick-wt=11): 30 [] -line(A)| -line(B)| -convergent_lines(A,B)|point(intersection_point(A,B)).
% 4.32/4.51  ** KEPT (pick-wt=8): 31 [] -line(A)| -point(B)|line(parallel_through_point(A,B)).
% 4.32/4.51  ** KEPT (pick-wt=8): 32 [] -line(A)| -point(B)|line(orthogonal_through_point(A,B)).
% 4.32/4.51  ** KEPT (pick-wt=6): 33 [] -e_qual_points(A,B)| -distinct_points(A,B).
% 4.32/4.51  ** KEPT (pick-wt=6): 34 [] -e_qual_lines(A,B)| -distinct_lines(A,B).
% 4.32/4.51  ** KEPT (pick-wt=6): 35 [] -parallel_lines(A,B)| -convergent_lines(A,B).
% 4.32/4.51  ** KEPT (pick-wt=6): 36 [] -incident_point_and_line(A,B)| -apart_point_and_line(A,B).
% 4.32/4.51  ** KEPT (pick-wt=6): 37 [] -orthogonal_lines(A,B)| -unorthogonal_lines(A,B).
% 4.32/4.51  ** KEPT (pick-wt=10): 38 [] -distinct_points($c3,$c1)| -e_qual_lines(line_connecting($c3,$c2),line_connecting($c3,$c1)).
% 4.32/4.51  28 back subsumes 27.
% 4.32/4.51  
% 4.32/4.51  ------------> process sos:
% 4.32/4.51  ** KEPT (pick-wt=6): 39 [] convergent_lines(A,B)|unorthogonal_lines(A,B).
% 4.32/4.51    Following clause subsumed by 39 during input processing: 0 [] convergent_lines(A,B)|unorthogonal_lines(A,B).
% 4.32/4.51  ** KEPT (pick-wt=6): 40 [] e_qual_points(A,B)|distinct_points(A,B).
% 4.32/4.51  ** KEPT (pick-wt=6): 41 [] e_qual_lines(A,B)|distinct_lines(A,B).
% 4.32/4.51  ** KEPT (pick-wt=6): 42 [] parallel_lines(A,B)|convergent_lines(A,B).
% 4.32/4.51  ** KEPT (pick-wt=6): 43 [] incident_point_and_line(A,B)|apart_point_and_line(A,B).
% 4.32/4.51  ** KEPT (pick-wt=6): 44 [] orthogonal_lines(A,B)|unorthogonal_lines(A,B).
% 4.32/4.51  ** KEPT (pick-wt=3): 45 [] distinct_points($c3,$c2).
% 4.32/4.51  ** KEPT (pick-wt=3): 46 [] e_qual_points($c2,$c1).
% 4.32/4.51  
% 4.32/4.51  ======= end of input processing =======
% 4.32/4.51  
% 4.32/4.51  =========== start of search ===========
% 4.32/4.51  
% 4.32/4.51  
% 4.32/4.51  Resetting weight limit to 13.
% 4.32/4.51  
% 4.32/4.51  
% 4.32/4.51  Resetting weight limit to 13.
% 4.32/4.51  
% 4.32/4.51  sos_size=3109
% 4.32/4.51  
% 4.32/4.51  
% 4.32/4.51  Resetting weight limit to 12.
% 4.32/4.51  
% 4.32/4.51  
% 4.32/4.51  Resetting weight limit to 12.
% 7.15/7.35  
% 7.15/7.35  sos_size=2741
% 7.15/7.35  
% 7.15/7.35  -------- PROOF -------- 
% 7.15/7.35  
% 7.15/7.35  ----> UNIT CONFLICT at   5.42 sec ----> 4810 [binary,4809.1,17.1] $F.
% 7.15/7.35  
% 7.15/7.35  Length of proof is 22.  Level of proof is 13.
% 7.15/7.35  
% 7.15/7.35  ---------------- PROOF ----------------
% 7.15/7.35  % SZS status Theorem
% 7.15/7.35  % SZS output start Refutation
% See solution above
% 7.15/7.35  ------------ end of proof -------------
% 7.15/7.35  
% 7.15/7.35  
% 7.15/7.35  Search stopped by max_proofs option.
% 7.15/7.35  
% 7.15/7.35  
% 7.15/7.35  Search stopped by max_proofs option.
% 7.15/7.35  
% 7.15/7.35  ============ end of search ============
% 7.15/7.35  
% 7.15/7.35  -------------- statistics -------------
% 7.15/7.35  clauses given                560
% 7.15/7.35  clauses generated         244852
% 7.15/7.35  clauses kept                4809
% 7.15/7.35  clauses forward subsumed   11867
% 7.15/7.35  clauses back subsumed       2265
% 7.15/7.35  Kbytes malloced             4882
% 7.15/7.35  
% 7.15/7.35  ----------- times (seconds) -----------
% 7.15/7.35  user CPU time          5.42          (0 hr, 0 min, 5 sec)
% 7.15/7.35  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 7.15/7.35  wall-clock time        7             (0 hr, 0 min, 7 sec)
% 7.15/7.35  
% 7.15/7.35  That finishes the proof of the theorem.
% 7.15/7.35  
% 7.15/7.35  Process 21197 finished Wed Jul 27 07:29:41 2022
% 7.15/7.35  Otter interrupted
% 7.15/7.35  PROOF FOUND
%------------------------------------------------------------------------------