TSTP Solution File: GEO182+3 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : GEO182+3 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n020.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 12:54:39 EDT 2022

% Result   : Theorem 2.25s 2.47s
% Output   : Refutation 2.25s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   13 (   6 unt;   6 nHn;   6 RR)
%            Number of literals    :   23 (   0 equ;   6 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   19 (   3 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ~ distinct_lines(A,A),
    file('GEO182+3.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ distinct_lines(A,B)
    | distinct_lines(A,C)
    | distinct_lines(B,C) ),
    file('GEO182+3.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ apart_point_and_line(A,B)
    | distinct_lines(B,C)
    | apart_point_and_line(A,C) ),
    file('GEO182+3.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ distinct_lines(A,B)
    | convergent_lines(A,B) ),
    file('GEO182+3.p',unknown),
    [] ).

cnf(16,axiom,
    ~ convergent_lines(parallel_through_point(A,B),A),
    file('GEO182+3.p',unknown),
    [] ).

cnf(17,axiom,
    ~ apart_point_and_line(A,parallel_through_point(B,A)),
    file('GEO182+3.p',unknown),
    [] ).

cnf(46,axiom,
    apart_point_and_line(dollar_c1,line_connecting(dollar_c3,dollar_c2)),
    file('GEO182+3.p',unknown),
    [] ).

cnf(49,plain,
    ( distinct_lines(line_connecting(dollar_c3,dollar_c2),A)
    | apart_point_and_line(dollar_c1,A) ),
    inference(hyper,[status(thm)],[46,13]),
    [iquote('hyper,46,13')] ).

cnf(66,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)],[49,5]),
    [iquote('hyper,49,5')] ).

cnf(922,plain,
    ( apart_point_and_line(dollar_c1,A)
    | distinct_lines(A,line_connecting(dollar_c3,dollar_c2)) ),
    inference(hyper,[status(thm)],[66,2]),
    [iquote('hyper,66,2')] ).

cnf(942,plain,
    ( apart_point_and_line(dollar_c1,A)
    | convergent_lines(A,line_connecting(dollar_c3,dollar_c2)) ),
    inference(hyper,[status(thm)],[922,15]),
    [iquote('hyper,922,15')] ).

cnf(989,plain,
    apart_point_and_line(dollar_c1,parallel_through_point(line_connecting(dollar_c3,dollar_c2),A)),
    inference(hyper,[status(thm)],[942,16]),
    [iquote('hyper,942,16')] ).

cnf(990,plain,
    $false,
    inference(binary,[status(thm)],[989,17]),
    [iquote('binary,989.1,17.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : GEO182+3 : TPTP v8.1.0. Released v4.0.0.
% 0.00/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n020.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 07:10:38 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.97/2.16  ----- Otter 3.3f, August 2004 -----
% 1.97/2.16  The process was started by sandbox on n020.cluster.edu,
% 1.97/2.16  Wed Jul 27 07:10:38 2022
% 1.97/2.16  The command was "./otter".  The process ID is 24421.
% 1.97/2.16  
% 1.97/2.16  set(prolog_style_variables).
% 1.97/2.16  set(auto).
% 1.97/2.16     dependent: set(auto1).
% 1.97/2.16     dependent: set(process_input).
% 1.97/2.16     dependent: clear(print_kept).
% 1.97/2.16     dependent: clear(print_new_demod).
% 1.97/2.16     dependent: clear(print_back_demod).
% 1.97/2.16     dependent: clear(print_back_sub).
% 1.97/2.16     dependent: set(control_memory).
% 1.97/2.16     dependent: assign(max_mem, 12000).
% 1.97/2.16     dependent: assign(pick_given_ratio, 4).
% 1.97/2.16     dependent: assign(stats_level, 1).
% 1.97/2.16     dependent: assign(max_seconds, 10800).
% 1.97/2.16  clear(print_given).
% 1.97/2.16  
% 1.97/2.16  formula_list(usable).
% 1.97/2.16  all X (-distinct_points(X,X)).
% 1.97/2.16  all X (-distinct_lines(X,X)).
% 1.97/2.16  all X (-convergent_lines(X,X)).
% 1.97/2.16  all X Y Z (distinct_points(X,Y)->distinct_points(X,Z)|distinct_points(Y,Z)).
% 1.97/2.16  all X Y Z (distinct_lines(X,Y)->distinct_lines(X,Z)|distinct_lines(Y,Z)).
% 1.97/2.16  all X Y Z (convergent_lines(X,Y)->convergent_lines(X,Z)|convergent_lines(Y,Z)).
% 1.97/2.16  all X Y (distinct_points(X,Y)-> -apart_point_and_line(X,line_connecting(X,Y))).
% 1.97/2.16  all X Y (distinct_points(X,Y)-> -apart_point_and_line(Y,line_connecting(X,Y))).
% 1.97/2.16  all X Y (convergent_lines(X,Y)-> -apart_point_and_line(intersection_point(X,Y),X)).
% 1.97/2.16  all X Y (convergent_lines(X,Y)-> -apart_point_and_line(intersection_point(X,Y),Y)).
% 1.97/2.16  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)).
% 1.97/2.16  all X Y Z (apart_point_and_line(X,Y)->distinct_points(X,Z)|apart_point_and_line(Z,Y)).
% 1.97/2.16  all X Y Z (apart_point_and_line(X,Y)->distinct_lines(Y,Z)|apart_point_and_line(X,Z)).
% 1.97/2.16  all X Y Z (convergent_lines(X,Y)->distinct_lines(Y,Z)|convergent_lines(X,Z)).
% 1.97/2.16  all X Y (distinct_lines(X,Y)->convergent_lines(X,Y)).
% 1.97/2.16  all X Y (-convergent_lines(parallel_through_point(Y,X),Y)).
% 1.97/2.16  all X Y (-apart_point_and_line(X,parallel_through_point(Y,X))).
% 1.97/2.16  all X Y Z (distinct_lines(Y,Z)->apart_point_and_line(X,Y)|apart_point_and_line(X,Z)|convergent_lines(Y,Z)).
% 1.97/2.16  all L M (convergent_lines(L,M)|unorthogonal_lines(L,M)).
% 1.97/2.16  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)).
% 1.97/2.16  all A L (-unorthogonal_lines(orthogonal_through_point(L,A),L)).
% 1.97/2.16  all A L (-apart_point_and_line(A,orthogonal_through_point(L,A))).
% 1.97/2.16  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)).
% 1.97/2.16  all L M (-(-convergent_lines(L,M)& -unorthogonal_lines(L,M))).
% 1.97/2.16  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)).
% 1.97/2.16  all L M N (-unorthogonal_lines(L,M)& -unorthogonal_lines(L,N)-> -convergent_lines(M,N)).
% 1.97/2.16  all A B (point(A)&point(B)&distinct_points(A,B)->line(line_connecting(A,B))).
% 1.97/2.16  all L M (line(L)&line(M)&convergent_lines(L,M)->point(intersection_point(L,M))).
% 1.97/2.16  all L A (line(L)&point(A)->line(parallel_through_point(L,A))).
% 1.97/2.16  all L A (line(L)&point(A)->line(orthogonal_through_point(L,A))).
% 1.97/2.16  all X Y (e_qual_points(X,Y)<-> -distinct_points(X,Y)).
% 1.97/2.16  all X Y (e_qual_lines(X,Y)<-> -distinct_lines(X,Y)).
% 1.97/2.16  all X Y (parallel_lines(X,Y)<-> -convergent_lines(X,Y)).
% 1.97/2.16  all X Y (incident_point_and_line(X,Y)<-> -apart_point_and_line(X,Y)).
% 1.97/2.16  all X Y (orthogonal_lines(X,Y)<-> -unorthogonal_lines(X,Y)).
% 1.97/2.16  -(all X Y Z (distinct_points(X,Y)-> (apart_point_and_line(Z,line_connecting(X,Y))->apart_point_and_line(Z,line_connecting(Y,X))))).
% 1.97/2.16  end_of_list.
% 1.97/2.16  
% 1.97/2.16  -------> usable clausifies to:
% 1.97/2.16  
% 1.97/2.16  list(usable).
% 1.97/2.16  0 [] -distinct_points(X,X).
% 1.97/2.16  0 [] -distinct_lines(X,X).
% 1.97/2.16  0 [] -convergent_lines(X,X).
% 1.97/2.16  0 [] -distinct_points(X,Y)|distinct_points(X,Z)|distinct_points(Y,Z).
% 1.97/2.16  0 [] -distinct_lines(X,Y)|distinct_lines(X,Z)|distinct_lines(Y,Z).
% 1.97/2.16  0 [] -convergent_lines(X,Y)|convergent_lines(X,Z)|convergent_lines(Y,Z).
% 1.97/2.16  0 [] -distinct_points(X,Y)| -apart_point_and_line(X,line_connecting(X,Y)).
% 1.97/2.16  0 [] -distinct_points(X,Y)| -apart_point_and_line(Y,line_connecting(X,Y)).
% 1.97/2.16  0 [] -convergent_lines(X,Y)| -apart_point_and_line(intersection_point(X,Y),X).
% 1.97/2.16  0 [] -convergent_lines(X,Y)| -apart_point_and_line(intersection_point(X,Y),Y).
% 1.97/2.16  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).
% 1.97/2.16  0 [] -apart_point_and_line(X,Y)|distinct_points(X,Z)|apart_point_and_line(Z,Y).
% 1.97/2.16  0 [] -apart_point_and_line(X,Y)|distinct_lines(Y,Z)|apart_point_and_line(X,Z).
% 1.97/2.16  0 [] -convergent_lines(X,Y)|distinct_lines(Y,Z)|convergent_lines(X,Z).
% 1.97/2.16  0 [] -distinct_lines(X,Y)|convergent_lines(X,Y).
% 1.97/2.16  0 [] -convergent_lines(parallel_through_point(Y,X),Y).
% 1.97/2.16  0 [] -apart_point_and_line(X,parallel_through_point(Y,X)).
% 1.97/2.16  0 [] -distinct_lines(Y,Z)|apart_point_and_line(X,Y)|apart_point_and_line(X,Z)|convergent_lines(Y,Z).
% 1.97/2.16  0 [] convergent_lines(L,M)|unorthogonal_lines(L,M).
% 1.97/2.16  0 [] -convergent_lines(L,M)| -unorthogonal_lines(L,M)|convergent_lines(L,N)|convergent_lines(M,N).
% 1.97/2.16  0 [] -convergent_lines(L,M)| -unorthogonal_lines(L,M)|convergent_lines(L,N)|unorthogonal_lines(M,N).
% 1.97/2.16  0 [] -convergent_lines(L,M)| -unorthogonal_lines(L,M)|unorthogonal_lines(L,N)|convergent_lines(M,N).
% 1.97/2.16  0 [] -convergent_lines(L,M)| -unorthogonal_lines(L,M)|unorthogonal_lines(L,N)|unorthogonal_lines(M,N).
% 1.97/2.16  0 [] -unorthogonal_lines(orthogonal_through_point(L,A),L).
% 1.97/2.16  0 [] -apart_point_and_line(A,orthogonal_through_point(L,A)).
% 1.97/2.16  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).
% 1.97/2.16  0 [] convergent_lines(L,M)|unorthogonal_lines(L,M).
% 1.97/2.16  0 [] convergent_lines(L,M)|convergent_lines(L,N)| -convergent_lines(M,N)| -unorthogonal_lines(M,N).
% 1.97/2.16  0 [] convergent_lines(L,M)|unorthogonal_lines(L,N)| -convergent_lines(M,N)| -unorthogonal_lines(M,N).
% 1.97/2.16  0 [] unorthogonal_lines(L,M)|convergent_lines(L,N)| -convergent_lines(M,N)| -unorthogonal_lines(M,N).
% 1.97/2.16  0 [] unorthogonal_lines(L,M)|unorthogonal_lines(L,N)| -convergent_lines(M,N)| -unorthogonal_lines(M,N).
% 1.97/2.16  0 [] unorthogonal_lines(L,M)|unorthogonal_lines(L,N)| -convergent_lines(M,N).
% 1.97/2.16  0 [] -point(A)| -point(B)| -distinct_points(A,B)|line(line_connecting(A,B)).
% 1.97/2.16  0 [] -line(L)| -line(M)| -convergent_lines(L,M)|point(intersection_point(L,M)).
% 1.97/2.16  0 [] -line(L)| -point(A)|line(parallel_through_point(L,A)).
% 1.97/2.16  0 [] -line(L)| -point(A)|line(orthogonal_through_point(L,A)).
% 1.97/2.16  0 [] -e_qual_points(X,Y)| -distinct_points(X,Y).
% 1.97/2.16  0 [] e_qual_points(X,Y)|distinct_points(X,Y).
% 1.97/2.16  0 [] -e_qual_lines(X,Y)| -distinct_lines(X,Y).
% 1.97/2.16  0 [] e_qual_lines(X,Y)|distinct_lines(X,Y).
% 1.97/2.16  0 [] -parallel_lines(X,Y)| -convergent_lines(X,Y).
% 1.97/2.16  0 [] parallel_lines(X,Y)|convergent_lines(X,Y).
% 1.97/2.16  0 [] -incident_point_and_line(X,Y)| -apart_point_and_line(X,Y).
% 1.97/2.16  0 [] incident_point_and_line(X,Y)|apart_point_and_line(X,Y).
% 1.97/2.16  0 [] -orthogonal_lines(X,Y)| -unorthogonal_lines(X,Y).
% 1.97/2.16  0 [] orthogonal_lines(X,Y)|unorthogonal_lines(X,Y).
% 1.97/2.16  0 [] distinct_points($c3,$c2).
% 1.97/2.16  0 [] apart_point_and_line($c1,line_connecting($c3,$c2)).
% 1.97/2.16  0 [] -apart_point_and_line($c1,line_connecting($c2,$c3)).
% 1.97/2.16  end_of_list.
% 1.97/2.16  
% 1.97/2.16  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=6.
% 1.97/2.16  
% 1.97/2.16  This is a non-Horn set without equality.  The strategy will
% 1.97/2.16  be ordered hyper_res, unit deletion, and factoring, with
% 1.97/2.16  satellites in sos and with nuclei in usable.
% 1.97/2.16  
% 1.97/2.16     dependent: set(hyper_res).
% 1.97/2.16     dependent: set(factor).
% 1.97/2.16     dependent: set(unit_deletion).
% 1.97/2.16  
% 1.97/2.16  ------------> process usable:
% 1.97/2.16  ** KEPT (pick-wt=3): 1 [] -distinct_points(A,A).
% 1.97/2.16  ** KEPT (pick-wt=3): 2 [] -distinct_lines(A,A).
% 1.97/2.16  ** KEPT (pick-wt=3): 3 [] -convergent_lines(A,A).
% 1.97/2.16  ** KEPT (pick-wt=9): 4 [] -distinct_points(A,B)|distinct_points(A,C)|distinct_points(B,C).
% 1.97/2.16  ** KEPT (pick-wt=9): 5 [] -distinct_lines(A,B)|distinct_lines(A,C)|distinct_lines(B,C).
% 1.97/2.16  ** KEPT (pick-wt=9): 6 [] -convergent_lines(A,B)|convergent_lines(A,C)|convergent_lines(B,C).
% 1.97/2.16  ** KEPT (pick-wt=8): 7 [] -distinct_points(A,B)| -apart_point_and_line(A,line_connecting(A,B)).
% 1.97/2.16  ** KEPT (pick-wt=8): 8 [] -distinct_points(A,B)| -apart_point_and_line(B,line_connecting(A,B)).
% 1.97/2.16  ** KEPT (pick-wt=8): 9 [] -convergent_lines(A,B)| -apart_point_and_line(intersection_point(A,B),A).
% 1.97/2.16  ** KEPT (pick-wt=8): 10 [] -convergent_lines(A,B)| -apart_point_and_line(intersection_point(A,B),B).
% 1.97/2.16  ** 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).
% 2.25/2.47  ** KEPT (pick-wt=9): 12 [] -apart_point_and_line(A,B)|distinct_points(A,C)|apart_point_and_line(C,B).
% 2.25/2.47  ** KEPT (pick-wt=9): 13 [] -apart_point_and_line(A,B)|distinct_lines(B,C)|apart_point_and_line(A,C).
% 2.25/2.47  ** KEPT (pick-wt=9): 14 [] -convergent_lines(A,B)|distinct_lines(B,C)|convergent_lines(A,C).
% 2.25/2.47  ** KEPT (pick-wt=6): 15 [] -distinct_lines(A,B)|convergent_lines(A,B).
% 2.25/2.47  ** KEPT (pick-wt=5): 16 [] -convergent_lines(parallel_through_point(A,B),A).
% 2.25/2.47  ** KEPT (pick-wt=5): 17 [] -apart_point_and_line(A,parallel_through_point(B,A)).
% 2.25/2.47    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).
% 2.25/2.47    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).
% 2.25/2.47  ** KEPT (pick-wt=12): 18 [] -convergent_lines(A,B)| -unorthogonal_lines(A,B)|convergent_lines(A,C)|unorthogonal_lines(B,C).
% 2.25/2.47  ** KEPT (pick-wt=12): 19 [] -convergent_lines(A,B)| -unorthogonal_lines(A,B)|unorthogonal_lines(A,C)|convergent_lines(B,C).
% 2.25/2.47  ** KEPT (pick-wt=12): 20 [] -convergent_lines(A,B)| -unorthogonal_lines(A,B)|unorthogonal_lines(A,C)|unorthogonal_lines(B,C).
% 2.25/2.47  ** KEPT (pick-wt=5): 21 [] -unorthogonal_lines(orthogonal_through_point(A,B),A).
% 2.25/2.47  ** KEPT (pick-wt=5): 22 [] -apart_point_and_line(A,orthogonal_through_point(B,A)).
% 2.25/2.47  ** 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).
% 2.25/2.47  ** KEPT (pick-wt=12): 24 [] convergent_lines(A,B)|convergent_lines(A,C)| -convergent_lines(B,C)| -unorthogonal_lines(B,C).
% 2.25/2.47  ** KEPT (pick-wt=12): 25 [] convergent_lines(A,B)|unorthogonal_lines(A,C)| -convergent_lines(B,C)| -unorthogonal_lines(B,C).
% 2.25/2.47  ** KEPT (pick-wt=12): 26 [] unorthogonal_lines(A,B)|convergent_lines(A,C)| -convergent_lines(B,C)| -unorthogonal_lines(B,C).
% 2.25/2.47  ** KEPT (pick-wt=12): 27 [] unorthogonal_lines(A,B)|unorthogonal_lines(A,C)| -convergent_lines(B,C)| -unorthogonal_lines(B,C).
% 2.25/2.47  ** KEPT (pick-wt=9): 28 [] unorthogonal_lines(A,B)|unorthogonal_lines(A,C)| -convergent_lines(B,C).
% 2.25/2.47  ** KEPT (pick-wt=11): 29 [] -point(A)| -point(B)| -distinct_points(A,B)|line(line_connecting(A,B)).
% 2.25/2.47  ** KEPT (pick-wt=11): 30 [] -line(A)| -line(B)| -convergent_lines(A,B)|point(intersection_point(A,B)).
% 2.25/2.47  ** KEPT (pick-wt=8): 31 [] -line(A)| -point(B)|line(parallel_through_point(A,B)).
% 2.25/2.47  ** KEPT (pick-wt=8): 32 [] -line(A)| -point(B)|line(orthogonal_through_point(A,B)).
% 2.25/2.47  ** KEPT (pick-wt=6): 33 [] -e_qual_points(A,B)| -distinct_points(A,B).
% 2.25/2.47  ** KEPT (pick-wt=6): 34 [] -e_qual_lines(A,B)| -distinct_lines(A,B).
% 2.25/2.47  ** KEPT (pick-wt=6): 35 [] -parallel_lines(A,B)| -convergent_lines(A,B).
% 2.25/2.47  ** KEPT (pick-wt=6): 36 [] -incident_point_and_line(A,B)| -apart_point_and_line(A,B).
% 2.25/2.47  ** KEPT (pick-wt=6): 37 [] -orthogonal_lines(A,B)| -unorthogonal_lines(A,B).
% 2.25/2.47  ** KEPT (pick-wt=5): 38 [] -apart_point_and_line($c1,line_connecting($c2,$c3)).
% 2.25/2.47  28 back subsumes 27.
% 2.25/2.47  
% 2.25/2.47  ------------> process sos:
% 2.25/2.47  ** KEPT (pick-wt=6): 39 [] convergent_lines(A,B)|unorthogonal_lines(A,B).
% 2.25/2.47    Following clause subsumed by 39 during input processing: 0 [] convergent_lines(A,B)|unorthogonal_lines(A,B).
% 2.25/2.47  ** KEPT (pick-wt=6): 40 [] e_qual_points(A,B)|distinct_points(A,B).
% 2.25/2.47  ** KEPT (pick-wt=6): 41 [] e_qual_lines(A,B)|distinct_lines(A,B).
% 2.25/2.47  ** KEPT (pick-wt=6): 42 [] parallel_lines(A,B)|convergent_lines(A,B).
% 2.25/2.47  ** KEPT (pick-wt=6): 43 [] incident_point_and_line(A,B)|apart_point_and_line(A,B).
% 2.25/2.47  ** KEPT (pick-wt=6): 44 [] orthogonal_lines(A,B)|unorthogonal_lines(A,B).
% 2.25/2.47  ** KEPT (pick-wt=3): 45 [] distinct_points($c3,$c2).
% 2.25/2.47  ** KEPT (pick-wt=5): 46 [] apart_point_and_line($c1,line_connecting($c3,$c2)).
% 2.25/2.47  
% 2.25/2.47  ======= end of input processing =======
% 2.25/2.47  
% 2.25/2.47  =========== start of search ===========
% 2.25/2.47  
% 2.25/2.47  -------- PROOF -------- 
% 2.25/2.47  
% 2.25/2.47  ----> UNIT CONFLICT at   0.31 sec ----> 990 [binary,989.1,17.1] $F.
% 2.25/2.47  
% 2.25/2.47  Length of proof is 5.  Level of proof is 5.
% 2.25/2.47  
% 2.25/2.47  ---------------- PROOF ----------------
% 2.25/2.47  % SZS status Theorem
% 2.25/2.47  % SZS output start Refutation
% See solution above
% 2.25/2.47  ------------ end of proof -------------
% 2.25/2.47  
% 2.25/2.47  
% 2.25/2.47  Search stopped by max_proofs option.
% 2.25/2.47  
% 2.25/2.47  
% 2.25/2.47  Search stopped by max_proofs option.
% 2.25/2.47  
% 2.25/2.47  ============ end of search ============
% 2.25/2.47  
% 2.25/2.47  -------------- statistics -------------
% 2.25/2.47  clauses given                 53
% 2.25/2.47  clauses generated           3462
% 2.25/2.47  clauses kept                 989
% 2.25/2.47  clauses forward subsumed    2522
% 2.25/2.47  clauses back subsumed        124
% 2.25/2.47  Kbytes malloced             1953
% 2.25/2.47  
% 2.25/2.47  ----------- times (seconds) -----------
% 2.25/2.47  user CPU time          0.31          (0 hr, 0 min, 0 sec)
% 2.25/2.47  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.25/2.47  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.25/2.47  
% 2.25/2.47  That finishes the proof of the theorem.
% 2.25/2.47  
% 2.25/2.47  Process 24421 finished Wed Jul 27 07:10:40 2022
% 2.25/2.47  Otter interrupted
% 2.25/2.47  PROOF FOUND
%------------------------------------------------------------------------------