TSTP Solution File: GEO082+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : GEO082+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n024.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 12:54:21 EDT 2022

% Result   : Theorem 1.97s 2.21s
% Output   : Refutation 1.97s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   12 (   7 unt;   3 nHn;   9 RR)
%            Number of literals    :   22 (   6 equ;   5 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :    9 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ part_of(A,B)
    | ~ incident_c(C,A)
    | incident_c(C,B) ),
    file('GEO082+1.p',unknown),
    [] ).

cnf(41,axiom,
    ( ~ incident_c(dollar_f13(A,B),A)
    | ~ incident_c(dollar_f13(A,B),B)
    | A = B ),
    file('GEO082+1.p',unknown),
    [] ).

cnf(42,axiom,
    dollar_c2 != dollar_c1,
    file('GEO082+1.p',unknown),
    [] ).

cnf(58,axiom,
    ( incident_c(dollar_f13(A,B),A)
    | incident_c(dollar_f13(A,B),B)
    | A = B ),
    file('GEO082+1.p',unknown),
    [] ).

cnf(59,axiom,
    part_of(dollar_c2,dollar_c1),
    file('GEO082+1.p',unknown),
    [] ).

cnf(60,axiom,
    part_of(dollar_c1,dollar_c2),
    file('GEO082+1.p',unknown),
    [] ).

cnf(1097,plain,
    ( incident_c(dollar_f13(dollar_c2,A),A)
    | dollar_c2 = A
    | incident_c(dollar_f13(dollar_c2,A),dollar_c1) ),
    inference(hyper,[status(thm)],[58,1,59]),
    [iquote('hyper,58,1,59')] ).

cnf(1111,plain,
    ( incident_c(dollar_f13(A,dollar_c1),A)
    | A = dollar_c1
    | incident_c(dollar_f13(A,dollar_c1),dollar_c2) ),
    inference(hyper,[status(thm)],[58,1,60]),
    [iquote('hyper,58,1,60')] ).

cnf(1120,plain,
    incident_c(dollar_f13(dollar_c2,dollar_c1),dollar_c1),
    inference(unit_del,[status(thm)],[inference(factor,[status(thm)],[1097]),42]),
    [iquote('factor,1097.1.3,unit_del,42')] ).

cnf(1127,plain,
    incident_c(dollar_f13(dollar_c2,dollar_c1),dollar_c2),
    inference(unit_del,[status(thm)],[inference(factor,[status(thm)],[1111]),42]),
    [iquote('factor,1111.1.3,unit_del,42')] ).

cnf(1365,plain,
    dollar_c2 = dollar_c1,
    inference(hyper,[status(thm)],[1127,41,1120]),
    [iquote('hyper,1127,41,1120')] ).

cnf(1367,plain,
    $false,
    inference(binary,[status(thm)],[1365,42]),
    [iquote('binary,1365.1,42.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GEO082+1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n024.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 07:03:55 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.75/1.96  ----- Otter 3.3f, August 2004 -----
% 1.75/1.96  The process was started by sandbox on n024.cluster.edu,
% 1.75/1.96  Wed Jul 27 07:03:55 2022
% 1.75/1.96  The command was "./otter".  The process ID is 30637.
% 1.75/1.96  
% 1.75/1.96  set(prolog_style_variables).
% 1.75/1.96  set(auto).
% 1.75/1.96     dependent: set(auto1).
% 1.75/1.96     dependent: set(process_input).
% 1.75/1.96     dependent: clear(print_kept).
% 1.75/1.96     dependent: clear(print_new_demod).
% 1.75/1.96     dependent: clear(print_back_demod).
% 1.75/1.96     dependent: clear(print_back_sub).
% 1.75/1.96     dependent: set(control_memory).
% 1.75/1.96     dependent: assign(max_mem, 12000).
% 1.75/1.96     dependent: assign(pick_given_ratio, 4).
% 1.75/1.96     dependent: assign(stats_level, 1).
% 1.75/1.96     dependent: assign(max_seconds, 10800).
% 1.75/1.96  clear(print_given).
% 1.75/1.96  
% 1.75/1.96  formula_list(usable).
% 1.75/1.96  all A (A=A).
% 1.75/1.96  all C C1 (part_of(C1,C)<-> (all P (incident_c(P,C1)->incident_c(P,C)))).
% 1.75/1.96  all C C1 C2 (C=sum(C1,C2)<-> (all Q (incident_c(Q,C)<->incident_c(Q,C1)|incident_c(Q,C2)))).
% 1.75/1.96  all P C (end_point(P,C)<->incident_c(P,C)& (all C1 C2 (part_of(C1,C)&part_of(C2,C)&incident_c(P,C1)&incident_c(P,C2)->part_of(C1,C2)|part_of(C2,C1)))).
% 1.75/1.96  all P C (inner_point(P,C)<->incident_c(P,C)& -end_point(P,C)).
% 1.75/1.96  all P C C1 (meet(P,C,C1)<->incident_c(P,C)&incident_c(P,C1)& (all Q (incident_c(Q,C)&incident_c(Q,C1)->end_point(Q,C)&end_point(Q,C1)))).
% 1.75/1.96  all C (closed(C)<-> -(exists P end_point(P,C))).
% 1.75/1.96  all C (open(C)<-> (exists P end_point(P,C))).
% 1.75/1.96  all C C1 (part_of(C1,C)&C1!=C->open(C1)).
% 1.75/1.96  all C C1 C2 C3 (part_of(C1,C)&part_of(C2,C)&part_of(C3,C)& (exists P (end_point(P,C1)&end_point(P,C2)&end_point(P,C3)))->part_of(C2,C3)|part_of(C3,C2)|part_of(C1,C2)|part_of(C2,C1)|part_of(C1,C3)|part_of(C3,C1)).
% 1.75/1.96  all C exists P inner_point(P,C).
% 1.75/1.96  all C P (inner_point(P,C)-> (exists C1 C2 (meet(P,C1,C2)&C=sum(C1,C2)))).
% 1.75/1.96  all C P Q R (end_point(P,C)&end_point(Q,C)&end_point(R,C)->P=Q|P=R|Q=R).
% 1.75/1.96  all C P (end_point(P,C)-> (exists Q (end_point(Q,C)&P!=Q))).
% 1.75/1.96  all C C1 C2 P (closed(C)&meet(P,C1,C2)&C=sum(C1,C2)-> (all Q (end_point(Q,C1)->meet(Q,C1,C2)))).
% 1.75/1.96  all C1 C2 ((exists P meet(P,C1,C2))-> (exists C (C=sum(C1,C2)))).
% 1.75/1.96  all C C1 ((all P (incident_c(P,C)<->incident_c(P,C1)))->C=C1).
% 1.75/1.96  -(all C1 C2 (part_of(C1,C2)&part_of(C2,C1)->C1=C2)).
% 1.75/1.96  end_of_list.
% 1.75/1.96  
% 1.75/1.96  -------> usable clausifies to:
% 1.75/1.96  
% 1.75/1.96  list(usable).
% 1.75/1.96  0 [] A=A.
% 1.75/1.96  0 [] -part_of(C1,C)| -incident_c(P,C1)|incident_c(P,C).
% 1.75/1.96  0 [] part_of(C1,C)|incident_c($f1(C,C1),C1).
% 1.75/1.96  0 [] part_of(C1,C)| -incident_c($f1(C,C1),C).
% 1.75/1.96  0 [] C!=sum(C1,C2)| -incident_c(Q,C)|incident_c(Q,C1)|incident_c(Q,C2).
% 1.75/1.96  0 [] C!=sum(C1,C2)|incident_c(Q,C)| -incident_c(Q,C1).
% 1.75/1.96  0 [] C!=sum(C1,C2)|incident_c(Q,C)| -incident_c(Q,C2).
% 1.75/1.96  0 [] C=sum(C1,C2)|incident_c($f2(C,C1,C2),C)|incident_c($f2(C,C1,C2),C1)|incident_c($f2(C,C1,C2),C2).
% 1.75/1.96  0 [] C=sum(C1,C2)| -incident_c($f2(C,C1,C2),C)| -incident_c($f2(C,C1,C2),C1).
% 1.75/1.96  0 [] C=sum(C1,C2)| -incident_c($f2(C,C1,C2),C)| -incident_c($f2(C,C1,C2),C2).
% 1.75/1.96  0 [] -end_point(P,C)|incident_c(P,C).
% 1.75/1.96  0 [] -end_point(P,C)| -part_of(C1,C)| -part_of(C2,C)| -incident_c(P,C1)| -incident_c(P,C2)|part_of(C1,C2)|part_of(C2,C1).
% 1.75/1.96  0 [] end_point(P,C)| -incident_c(P,C)|part_of($f4(P,C),C).
% 1.75/1.96  0 [] end_point(P,C)| -incident_c(P,C)|part_of($f3(P,C),C).
% 1.75/1.96  0 [] end_point(P,C)| -incident_c(P,C)|incident_c(P,$f4(P,C)).
% 1.75/1.96  0 [] end_point(P,C)| -incident_c(P,C)|incident_c(P,$f3(P,C)).
% 1.75/1.96  0 [] end_point(P,C)| -incident_c(P,C)| -part_of($f4(P,C),$f3(P,C)).
% 1.75/1.96  0 [] end_point(P,C)| -incident_c(P,C)| -part_of($f3(P,C),$f4(P,C)).
% 1.75/1.96  0 [] -inner_point(P,C)|incident_c(P,C).
% 1.75/1.96  0 [] -inner_point(P,C)| -end_point(P,C).
% 1.75/1.96  0 [] inner_point(P,C)| -incident_c(P,C)|end_point(P,C).
% 1.75/1.96  0 [] -meet(P,C,C1)|incident_c(P,C).
% 1.75/1.96  0 [] -meet(P,C,C1)|incident_c(P,C1).
% 1.75/1.96  0 [] -meet(P,C,C1)| -incident_c(Q,C)| -incident_c(Q,C1)|end_point(Q,C).
% 1.75/1.96  0 [] -meet(P,C,C1)| -incident_c(Q,C)| -incident_c(Q,C1)|end_point(Q,C1).
% 1.75/1.96  0 [] meet(P,C,C1)| -incident_c(P,C)| -incident_c(P,C1)|incident_c($f5(P,C,C1),C).
% 1.75/1.96  0 [] meet(P,C,C1)| -incident_c(P,C)| -incident_c(P,C1)|incident_c($f5(P,C,C1),C1).
% 1.75/1.96  0 [] meet(P,C,C1)| -incident_c(P,C)| -incident_c(P,C1)| -end_point($f5(P,C,C1),C)| -end_point($f5(P,C,C1),C1).
% 1.75/1.96  0 [] -closed(C)| -end_point(P,C).
% 1.75/1.96  0 [] closed(C)|end_point($f6(C),C).
% 1.75/1.96  0 [] -open(C)|end_point($f7(C),C).
% 1.75/1.96  0 [] open(C)| -end_point(P,C).
% 1.75/1.96  0 [] -part_of(C1,C)|C1=C|open(C1).
% 1.75/1.96  0 [] -part_of(C1,C)| -part_of(C2,C)| -part_of(C3,C)| -end_point(P,C1)| -end_point(P,C2)| -end_point(P,C3)|part_of(C2,C3)|part_of(C3,C2)|part_of(C1,C2)|part_of(C2,C1)|part_of(C1,C3)|part_of(C3,C1).
% 1.75/1.96  0 [] inner_point($f8(C),C).
% 1.75/1.96  0 [] -inner_point(P,C)|meet(P,$f10(C,P),$f9(C,P)).
% 1.75/1.96  0 [] -inner_point(P,C)|C=sum($f10(C,P),$f9(C,P)).
% 1.75/1.96  0 [] -end_point(P,C)| -end_point(Q,C)| -end_point(R,C)|P=Q|P=R|Q=R.
% 1.75/1.96  0 [] -end_point(P,C)|end_point($f11(C,P),C).
% 1.75/1.96  0 [] -end_point(P,C)|P!=$f11(C,P).
% 1.75/1.96  0 [] -closed(C)| -meet(P,C1,C2)|C!=sum(C1,C2)| -end_point(Q,C1)|meet(Q,C1,C2).
% 1.75/1.96  0 [] -meet(P,C1,C2)|$f12(C1,C2)=sum(C1,C2).
% 1.75/1.96  0 [] incident_c($f13(C,C1),C)|incident_c($f13(C,C1),C1)|C=C1.
% 1.75/1.96  0 [] -incident_c($f13(C,C1),C)| -incident_c($f13(C,C1),C1)|C=C1.
% 1.75/1.96  0 [] part_of($c2,$c1).
% 1.75/1.96  0 [] part_of($c1,$c2).
% 1.75/1.96  0 [] $c2!=$c1.
% 1.75/1.96  end_of_list.
% 1.75/1.96  
% 1.75/1.96  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=12.
% 1.75/1.96  
% 1.75/1.96  This ia a non-Horn set with equality.  The strategy will be
% 1.75/1.96  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.75/1.96  deletion, with positive clauses in sos and nonpositive
% 1.75/1.96  clauses in usable.
% 1.75/1.96  
% 1.75/1.96     dependent: set(knuth_bendix).
% 1.75/1.96     dependent: set(anl_eq).
% 1.75/1.96     dependent: set(para_from).
% 1.75/1.96     dependent: set(para_into).
% 1.75/1.96     dependent: clear(para_from_right).
% 1.75/1.96     dependent: clear(para_into_right).
% 1.75/1.96     dependent: set(para_from_vars).
% 1.75/1.96     dependent: set(eq_units_both_ways).
% 1.75/1.96     dependent: set(dynamic_demod_all).
% 1.75/1.96     dependent: set(dynamic_demod).
% 1.75/1.96     dependent: set(order_eq).
% 1.75/1.96     dependent: set(back_demod).
% 1.75/1.96     dependent: set(lrpo).
% 1.75/1.96     dependent: set(hyper_res).
% 1.75/1.96     dependent: set(unit_deletion).
% 1.75/1.96     dependent: set(factor).
% 1.75/1.96  
% 1.75/1.96  ------------> process usable:
% 1.75/1.96  ** KEPT (pick-wt=9): 1 [] -part_of(A,B)| -incident_c(C,A)|incident_c(C,B).
% 1.75/1.96  ** KEPT (pick-wt=8): 2 [] part_of(A,B)| -incident_c($f1(B,A),B).
% 1.75/1.96  ** KEPT (pick-wt=14): 3 [] A!=sum(B,C)| -incident_c(D,A)|incident_c(D,B)|incident_c(D,C).
% 1.75/1.96  ** KEPT (pick-wt=11): 4 [] A!=sum(B,C)|incident_c(D,A)| -incident_c(D,B).
% 1.75/1.96  ** KEPT (pick-wt=11): 5 [] A!=sum(B,C)|incident_c(D,A)| -incident_c(D,C).
% 1.75/1.96  ** KEPT (pick-wt=17): 6 [] A=sum(B,C)| -incident_c($f2(A,B,C),A)| -incident_c($f2(A,B,C),B).
% 1.75/1.96  ** KEPT (pick-wt=17): 7 [] A=sum(B,C)| -incident_c($f2(A,B,C),A)| -incident_c($f2(A,B,C),C).
% 1.75/1.96  ** KEPT (pick-wt=6): 8 [] -end_point(A,B)|incident_c(A,B).
% 1.75/1.96  ** KEPT (pick-wt=21): 9 [] -end_point(A,B)| -part_of(C,B)| -part_of(D,B)| -incident_c(A,C)| -incident_c(A,D)|part_of(C,D)|part_of(D,C).
% 1.75/1.96  ** KEPT (pick-wt=11): 10 [] end_point(A,B)| -incident_c(A,B)|part_of($f4(A,B),B).
% 1.75/1.96  ** KEPT (pick-wt=11): 11 [] end_point(A,B)| -incident_c(A,B)|part_of($f3(A,B),B).
% 1.75/1.96  ** KEPT (pick-wt=11): 12 [] end_point(A,B)| -incident_c(A,B)|incident_c(A,$f4(A,B)).
% 1.75/1.96  ** KEPT (pick-wt=11): 13 [] end_point(A,B)| -incident_c(A,B)|incident_c(A,$f3(A,B)).
% 1.75/1.96  ** KEPT (pick-wt=13): 14 [] end_point(A,B)| -incident_c(A,B)| -part_of($f4(A,B),$f3(A,B)).
% 1.75/1.96  ** KEPT (pick-wt=13): 15 [] end_point(A,B)| -incident_c(A,B)| -part_of($f3(A,B),$f4(A,B)).
% 1.75/1.96  ** KEPT (pick-wt=6): 16 [] -inner_point(A,B)|incident_c(A,B).
% 1.75/1.96  ** KEPT (pick-wt=6): 17 [] -inner_point(A,B)| -end_point(A,B).
% 1.75/1.96  ** KEPT (pick-wt=9): 18 [] inner_point(A,B)| -incident_c(A,B)|end_point(A,B).
% 1.75/1.96  ** KEPT (pick-wt=7): 19 [] -meet(A,B,C)|incident_c(A,B).
% 1.75/1.96  ** KEPT (pick-wt=7): 20 [] -meet(A,B,C)|incident_c(A,C).
% 1.75/1.96  ** KEPT (pick-wt=13): 21 [] -meet(A,B,C)| -incident_c(D,B)| -incident_c(D,C)|end_point(D,B).
% 1.75/1.96  ** KEPT (pick-wt=13): 22 [] -meet(A,B,C)| -incident_c(D,B)| -incident_c(D,C)|end_point(D,C).
% 1.75/1.96  ** KEPT (pick-wt=16): 23 [] meet(A,B,C)| -incident_c(A,B)| -incident_c(A,C)|incident_c($f5(A,B,C),B).
% 1.75/1.96  ** KEPT (pick-wt=16): 24 [] meet(A,B,C)| -incident_c(A,B)| -incident_c(A,C)|incident_c($f5(A,B,C),C).
% 1.75/1.96  ** KEPT (pick-wt=22): 25 [] meet(A,B,C)| -incident_c(A,B)| -incident_c(A,C)| -end_point($f5(A,B,C),B)| -end_point($f5(A,B,C),C).
% 1.75/1.96  ** KEPT (pick-wt=5): 26 [] -closed(A)| -end_point(B,A).
% 1.75/1.96  ** KEPT (pick-wt=6): 27 [] -open(A)|end_point($f7(A),A).
% 1.75/1.96  ** KEPT (pick-wt=5): 28 [] open(A)| -end_point(B,A).
% 1.75/1.96  ** KEPT (pick-wt=8): 29 [] -part_of(A,B)|A=B|open(A).
% 1.75/1.96  ** KEPT (pick-wt=36): 30 [] -part_of(A,B)| -part_of(C,B)| -part_of(D,B)| -end_point(E,A)| -end_point(E,C)| -end_point(E,D)|part_of(C,D)|part_of(D,C)|part_of(A,C)|part_of(C,A)|part_of(A,D)|part_of(D,A).
% 1.75/1.96  ** KEPT (pick-wt=11): 31 [] -inner_point(A,B)|meet(A,$f10(B,A),$f9(B,A)).
% 1.97/2.21  ** KEPT (pick-wt=12): 33 [copy,32,flip.2] -inner_point(A,B)|sum($f10(B,A),$f9(B,A))=B.
% 1.97/2.21  ** KEPT (pick-wt=18): 34 [] -end_point(A,B)| -end_point(C,B)| -end_point(D,B)|A=C|A=D|C=D.
% 1.97/2.21  ** KEPT (pick-wt=8): 35 [] -end_point(A,B)|end_point($f11(B,A),B).
% 1.97/2.21  ** KEPT (pick-wt=8): 37 [copy,36,flip.2] -end_point(A,B)|$f11(B,A)!=A.
% 1.97/2.21  ** KEPT (pick-wt=18): 38 [] -closed(A)| -meet(B,C,D)|A!=sum(C,D)| -end_point(E,C)|meet(E,C,D).
% 1.97/2.21  ** KEPT (pick-wt=11): 40 [copy,39,flip.2] -meet(A,B,C)|sum(B,C)=$f12(B,C).
% 1.97/2.21  ** KEPT (pick-wt=13): 41 [] -incident_c($f13(A,B),A)| -incident_c($f13(A,B),B)|A=B.
% 1.97/2.21  ** KEPT (pick-wt=3): 42 [] $c2!=$c1.
% 1.97/2.21  
% 1.97/2.21  ------------> process sos:
% 1.97/2.21  ** KEPT (pick-wt=3): 53 [] A=A.
% 1.97/2.21  ** KEPT (pick-wt=8): 54 [] part_of(A,B)|incident_c($f1(B,A),A).
% 1.97/2.21  ** KEPT (pick-wt=23): 55 [] A=sum(B,C)|incident_c($f2(A,B,C),A)|incident_c($f2(A,B,C),B)|incident_c($f2(A,B,C),C).
% 1.97/2.21  ** KEPT (pick-wt=6): 56 [] closed(A)|end_point($f6(A),A).
% 1.97/2.21  ** KEPT (pick-wt=4): 57 [] inner_point($f8(A),A).
% 1.97/2.21  ** KEPT (pick-wt=13): 58 [] incident_c($f13(A,B),A)|incident_c($f13(A,B),B)|A=B.
% 1.97/2.21  ** KEPT (pick-wt=3): 59 [] part_of($c2,$c1).
% 1.97/2.21  ** KEPT (pick-wt=3): 60 [] part_of($c1,$c2).
% 1.97/2.21    Following clause subsumed by 53 during input processing: 0 [copy,53,flip.1] A=A.
% 1.97/2.21  53 back subsumes 52.
% 1.97/2.21  53 back subsumes 51.
% 1.97/2.21  
% 1.97/2.21  ======= end of input processing =======
% 1.97/2.21  
% 1.97/2.21  =========== start of search ===========
% 1.97/2.21  
% 1.97/2.21  
% 1.97/2.21  Resetting weight limit to 10.
% 1.97/2.21  
% 1.97/2.21  
% 1.97/2.21  Resetting weight limit to 10.
% 1.97/2.21  
% 1.97/2.21  sos_size=1254
% 1.97/2.21  
% 1.97/2.21  -------- PROOF -------- 
% 1.97/2.21  
% 1.97/2.21  ----> UNIT CONFLICT at   0.25 sec ----> 1367 [binary,1365.1,42.1] $F.
% 1.97/2.21  
% 1.97/2.21  Length of proof is 5.  Level of proof is 3.
% 1.97/2.21  
% 1.97/2.21  ---------------- PROOF ----------------
% 1.97/2.21  % SZS status Theorem
% 1.97/2.21  % SZS output start Refutation
% See solution above
% 1.97/2.21  ------------ end of proof -------------
% 1.97/2.21  
% 1.97/2.21  
% 1.97/2.21  Search stopped by max_proofs option.
% 1.97/2.21  
% 1.97/2.21  
% 1.97/2.21  Search stopped by max_proofs option.
% 1.97/2.21  
% 1.97/2.21  ============ end of search ============
% 1.97/2.21  
% 1.97/2.21  -------------- statistics -------------
% 1.97/2.21  clauses given                 32
% 1.97/2.21  clauses generated           3684
% 1.97/2.21  clauses kept                1361
% 1.97/2.21  clauses forward subsumed    1768
% 1.97/2.21  clauses back subsumed          3
% 1.97/2.21  Kbytes malloced             4882
% 1.97/2.21  
% 1.97/2.21  ----------- times (seconds) -----------
% 1.97/2.21  user CPU time          0.25          (0 hr, 0 min, 0 sec)
% 1.97/2.21  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.97/2.21  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.97/2.21  
% 1.97/2.21  That finishes the proof of the theorem.
% 1.97/2.21  
% 1.97/2.21  Process 30637 finished Wed Jul 27 07:03:57 2022
% 1.97/2.21  Otter interrupted
% 1.97/2.21  PROOF FOUND
%------------------------------------------------------------------------------