TSTP Solution File: KRS143+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : KRS143+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n019.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 13:01:25 EDT 2022

% Result   : Theorem 1.75s 1.98s
% Output   : Refutation 1.75s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   15
% Syntax   : Number of clauses     :   39 (  11 unt;  21 nHn;  36 RR)
%            Number of literals    :  123 (   7 equ;  59 neg)
%            Maximal clause size   :    6 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   5 con; 0-1 aty)
%            Number of variables   :   23 (  16 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(8,axiom,
    ~ cowlNothing(A),
    file('KRS143+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ xsd_string(A)
    | ~ xsd_integer(A) ),
    file('KRS143+1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ cc(A)
    | rp(A,dollar_f1(A)) ),
    file('KRS143+1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ cc(A)
    | ~ rp(A,B)
    | ~ rp(A,C)
    | B = C ),
    file('KRS143+1.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ cowlThing(dollar_c1)
    | cowlNothing(dollar_c1)
    | xsd_string(dollar_c2)
    | ~ xsd_integer(dollar_c2)
    | cc(dollar_c5) ),
    file('KRS143+1.p',unknown),
    [] ).

cnf(13,plain,
    ( ~ cowlThing(dollar_c1)
    | xsd_string(dollar_c2)
    | ~ xsd_integer(dollar_c2)
    | cc(dollar_c5) ),
    inference(unit_del,[status(thm)],[inference(copy,[status(thm)],[12]),8]),
    [iquote('copy,12,unit_del,8')] ).

cnf(14,axiom,
    ( ~ cowlThing(dollar_c1)
    | cowlNothing(dollar_c1)
    | xsd_string(dollar_c2)
    | ~ xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A)
    | rp(dollar_c5,dollar_c4) ),
    file('KRS143+1.p',unknown),
    [] ).

cnf(15,plain,
    ( ~ cowlThing(dollar_c1)
    | xsd_string(dollar_c2)
    | ~ xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A)
    | rp(dollar_c5,dollar_c4) ),
    inference(unit_del,[status(thm)],[inference(copy,[status(thm)],[14]),8]),
    [iquote('copy,14,unit_del,8')] ).

cnf(16,axiom,
    ( ~ cowlThing(dollar_c1)
    | cowlNothing(dollar_c1)
    | xsd_string(dollar_c2)
    | ~ xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A)
    | rp(dollar_c5,dollar_c3) ),
    file('KRS143+1.p',unknown),
    [] ).

cnf(17,plain,
    ( ~ cowlThing(dollar_c1)
    | xsd_string(dollar_c2)
    | ~ xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A)
    | rp(dollar_c5,dollar_c3) ),
    inference(unit_del,[status(thm)],[inference(copy,[status(thm)],[16]),8]),
    [iquote('copy,16,unit_del,8')] ).

cnf(18,axiom,
    ( ~ cowlThing(dollar_c1)
    | cowlNothing(dollar_c1)
    | xsd_string(dollar_c2)
    | ~ xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A)
    | dollar_c4 != dollar_c3 ),
    file('KRS143+1.p',unknown),
    [] ).

cnf(19,plain,
    ( ~ cowlThing(dollar_c1)
    | xsd_string(dollar_c2)
    | ~ xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A)
    | dollar_c4 != dollar_c3 ),
    inference(unit_del,[status(thm)],[inference(copy,[status(thm)],[18]),8]),
    [iquote('copy,18,unit_del,8')] ).

cnf(20,axiom,
    ( ~ cowlThing(dollar_c1)
    | cowlNothing(dollar_c1)
    | ~ xsd_string(dollar_c2)
    | xsd_integer(dollar_c2)
    | cc(dollar_c5) ),
    file('KRS143+1.p',unknown),
    [] ).

cnf(21,plain,
    ( ~ cowlThing(dollar_c1)
    | ~ xsd_string(dollar_c2)
    | xsd_integer(dollar_c2)
    | cc(dollar_c5) ),
    inference(unit_del,[status(thm)],[inference(copy,[status(thm)],[20]),8]),
    [iquote('copy,20,unit_del,8')] ).

cnf(22,axiom,
    ( ~ cowlThing(dollar_c1)
    | cowlNothing(dollar_c1)
    | ~ xsd_string(dollar_c2)
    | xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A)
    | rp(dollar_c5,dollar_c4) ),
    file('KRS143+1.p',unknown),
    [] ).

cnf(23,plain,
    ( ~ cowlThing(dollar_c1)
    | ~ xsd_string(dollar_c2)
    | xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A)
    | rp(dollar_c5,dollar_c4) ),
    inference(unit_del,[status(thm)],[inference(copy,[status(thm)],[22]),8]),
    [iquote('copy,22,unit_del,8')] ).

cnf(24,axiom,
    ( ~ cowlThing(dollar_c1)
    | cowlNothing(dollar_c1)
    | ~ xsd_string(dollar_c2)
    | xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A)
    | rp(dollar_c5,dollar_c3) ),
    file('KRS143+1.p',unknown),
    [] ).

cnf(25,plain,
    ( ~ cowlThing(dollar_c1)
    | ~ xsd_string(dollar_c2)
    | xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A)
    | rp(dollar_c5,dollar_c3) ),
    inference(unit_del,[status(thm)],[inference(copy,[status(thm)],[24]),8]),
    [iquote('copy,24,unit_del,8')] ).

cnf(26,axiom,
    ( ~ cowlThing(dollar_c1)
    | cowlNothing(dollar_c1)
    | ~ xsd_string(dollar_c2)
    | xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A)
    | dollar_c4 != dollar_c3 ),
    file('KRS143+1.p',unknown),
    [] ).

cnf(27,plain,
    ( ~ cowlThing(dollar_c1)
    | ~ xsd_string(dollar_c2)
    | xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A)
    | dollar_c4 != dollar_c3 ),
    inference(unit_del,[status(thm)],[inference(copy,[status(thm)],[26]),8]),
    [iquote('copy,26,unit_del,8')] ).

cnf(29,axiom,
    A = A,
    file('KRS143+1.p',unknown),
    [] ).

cnf(30,axiom,
    cowlThing(A),
    file('KRS143+1.p',unknown),
    [] ).

cnf(31,axiom,
    ( xsd_string(A)
    | xsd_integer(A) ),
    file('KRS143+1.p',unknown),
    [] ).

cnf(32,plain,
    ( xsd_integer(dollar_c2)
    | cc(dollar_c5) ),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[31,21,30])]),
    [iquote('hyper,31,21,30,factor_simp')] ).

cnf(33,plain,
    ( cc(dollar_c5)
    | xsd_string(dollar_c2) ),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[32,13,30])]),
    [iquote('hyper,32,13,30,factor_simp')] ).

cnf(36,plain,
    cc(dollar_c5),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[33,9,32])]),
    [iquote('hyper,33,9,32,factor_simp')] ).

cnf(44,plain,
    rp(dollar_c5,dollar_f1(dollar_c5)),
    inference(hyper,[status(thm)],[36,10]),
    [iquote('hyper,36,10')] ).

cnf(46,plain,
    ( xsd_integer(dollar_c2)
    | rp(dollar_c5,dollar_c3) ),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[44,25,30,31])]),
    [iquote('hyper,44,25,30,31,factor_simp')] ).

cnf(47,plain,
    ( xsd_integer(dollar_c2)
    | rp(dollar_c5,dollar_c4) ),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[44,23,30,31])]),
    [iquote('hyper,44,23,30,31,factor_simp')] ).

cnf(51,plain,
    ( rp(dollar_c5,dollar_c3)
    | xsd_string(dollar_c2) ),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[46,17,30,44])]),
    [iquote('hyper,46,17,30,44,factor_simp')] ).

cnf(55,plain,
    ( rp(dollar_c5,dollar_c4)
    | xsd_string(dollar_c2) ),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[47,15,30,44])]),
    [iquote('hyper,47,15,30,44,factor_simp')] ).

cnf(74,plain,
    rp(dollar_c5,dollar_c3),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[51,9,46])]),
    [iquote('hyper,51,9,46,factor_simp')] ).

cnf(80,plain,
    rp(dollar_c5,dollar_c4),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[55,9,47])]),
    [iquote('hyper,55,9,47,factor_simp')] ).

cnf(83,plain,
    dollar_c4 = dollar_c3,
    inference(flip,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[80,11,36,74])]),
    [iquote('hyper,80,11,36,74,flip.1')] ).

cnf(84,plain,
    ( ~ xsd_string(dollar_c2)
    | xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A) ),
    inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[27]),83]),30,29]),
    [iquote('back_demod,27,demod,83,unit_del,30,29')] ).

cnf(85,plain,
    ( xsd_string(dollar_c2)
    | ~ xsd_integer(dollar_c2)
    | ~ rp(dollar_c5,A) ),
    inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[19]),83]),30,29]),
    [iquote('back_demod,19,demod,83,unit_del,30,29')] ).

cnf(86,plain,
    xsd_integer(dollar_c2),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[84,31,74])]),
    [iquote('hyper,84,31,74,factor_simp')] ).

cnf(96,plain,
    xsd_string(dollar_c2),
    inference(hyper,[status(thm)],[85,86,74]),
    [iquote('hyper,85,86,74')] ).

cnf(97,plain,
    $false,
    inference(hyper,[status(thm)],[96,9,86]),
    [iquote('hyper,96,9,86')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : KRS143+1 : TPTP v8.1.0. Released v3.1.0.
% 0.11/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n019.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 03:27:37 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.75/1.97  ----- Otter 3.3f, August 2004 -----
% 1.75/1.97  The process was started by sandbox on n019.cluster.edu,
% 1.75/1.97  Wed Jul 27 03:27:37 2022
% 1.75/1.97  The command was "./otter".  The process ID is 32169.
% 1.75/1.97  
% 1.75/1.97  set(prolog_style_variables).
% 1.75/1.97  set(auto).
% 1.75/1.97     dependent: set(auto1).
% 1.75/1.97     dependent: set(process_input).
% 1.75/1.97     dependent: clear(print_kept).
% 1.75/1.97     dependent: clear(print_new_demod).
% 1.75/1.97     dependent: clear(print_back_demod).
% 1.75/1.97     dependent: clear(print_back_sub).
% 1.75/1.97     dependent: set(control_memory).
% 1.75/1.97     dependent: assign(max_mem, 12000).
% 1.75/1.97     dependent: assign(pick_given_ratio, 4).
% 1.75/1.97     dependent: assign(stats_level, 1).
% 1.75/1.97     dependent: assign(max_seconds, 10800).
% 1.75/1.97  clear(print_given).
% 1.75/1.97  
% 1.75/1.97  formula_list(usable).
% 1.75/1.97  all A (A=A).
% 1.75/1.97  all A B (A=B&cc(A)->cc(B)).
% 1.75/1.97  all A B (A=B&cowlNothing(A)->cowlNothing(B)).
% 1.75/1.97  all A B (A=B&cowlThing(A)->cowlThing(B)).
% 1.75/1.97  all A B C (A=B&rp(A,C)->rp(B,C)).
% 1.75/1.97  all A B C (A=B&rp(C,A)->rp(C,B)).
% 1.75/1.97  all A B (A=B&xsd_integer(A)->xsd_integer(B)).
% 1.75/1.97  all A B (A=B&xsd_string(A)->xsd_string(B)).
% 1.75/1.97  all X (cowlThing(X)& -cowlNothing(X)).
% 1.75/1.97  all X (xsd_string(X)<-> -xsd_integer(X)).
% 1.75/1.97  all X (cc(X)-> (exists Y0 rp(X,Y0))).
% 1.75/1.97  all X (cc(X)-> (all Y0 Y1 (rp(X,Y0)&rp(X,Y1)->Y0=Y1))).
% 1.75/1.97  -((all X (cowlThing(X)& -cowlNothing(X)))& (all X (xsd_string(X)<-> -xsd_integer(X)))& (all X (cc(X)-> (exists Y0 rp(X,Y0))& (all Y0 Y1 (rp(X,Y0)&rp(X,Y1)->Y0=Y1))))).
% 1.75/1.97  end_of_list.
% 1.75/1.97  
% 1.75/1.97  -------> usable clausifies to:
% 1.75/1.97  
% 1.75/1.97  list(usable).
% 1.75/1.97  0 [] A=A.
% 1.75/1.97  0 [] A!=B| -cc(A)|cc(B).
% 1.75/1.97  0 [] A!=B| -cowlNothing(A)|cowlNothing(B).
% 1.75/1.97  0 [] A!=B| -cowlThing(A)|cowlThing(B).
% 1.75/1.97  0 [] A!=B| -rp(A,C)|rp(B,C).
% 1.75/1.97  0 [] A!=B| -rp(C,A)|rp(C,B).
% 1.75/1.97  0 [] A!=B| -xsd_integer(A)|xsd_integer(B).
% 1.75/1.97  0 [] A!=B| -xsd_string(A)|xsd_string(B).
% 1.75/1.97  0 [] cowlThing(X).
% 1.75/1.97  0 [] -cowlNothing(X).
% 1.75/1.97  0 [] -xsd_string(X)| -xsd_integer(X).
% 1.75/1.97  0 [] xsd_string(X)|xsd_integer(X).
% 1.75/1.97  0 [] -cc(X)|rp(X,$f1(X)).
% 1.75/1.97  0 [] -cc(X)| -rp(X,Y0)| -rp(X,Y1)|Y0=Y1.
% 1.75/1.97  0 [] -cowlThing($c1)|cowlNothing($c1)|xsd_string($c2)| -xsd_integer($c2)|cc($c5).
% 1.75/1.97  0 [] -cowlThing($c1)|cowlNothing($c1)|xsd_string($c2)| -xsd_integer($c2)| -rp($c5,Y0)|rp($c5,$c4).
% 1.75/1.97  0 [] -cowlThing($c1)|cowlNothing($c1)|xsd_string($c2)| -xsd_integer($c2)| -rp($c5,Y0)|rp($c5,$c3).
% 1.75/1.97  0 [] -cowlThing($c1)|cowlNothing($c1)|xsd_string($c2)| -xsd_integer($c2)| -rp($c5,Y0)|$c4!=$c3.
% 1.75/1.97  0 [] -cowlThing($c1)|cowlNothing($c1)| -xsd_string($c2)|xsd_integer($c2)|cc($c5).
% 1.75/1.97  0 [] -cowlThing($c1)|cowlNothing($c1)| -xsd_string($c2)|xsd_integer($c2)| -rp($c5,Y0)|rp($c5,$c4).
% 1.75/1.97  0 [] -cowlThing($c1)|cowlNothing($c1)| -xsd_string($c2)|xsd_integer($c2)| -rp($c5,Y0)|rp($c5,$c3).
% 1.75/1.97  0 [] -cowlThing($c1)|cowlNothing($c1)| -xsd_string($c2)|xsd_integer($c2)| -rp($c5,Y0)|$c4!=$c3.
% 1.75/1.97  end_of_list.
% 1.75/1.97  
% 1.75/1.97  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=6.
% 1.75/1.97  
% 1.75/1.97  This ia a non-Horn set with equality.  The strategy will be
% 1.75/1.97  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.75/1.97  deletion, with positive clauses in sos and nonpositive
% 1.75/1.97  clauses in usable.
% 1.75/1.97  
% 1.75/1.97     dependent: set(knuth_bendix).
% 1.75/1.97     dependent: set(anl_eq).
% 1.75/1.97     dependent: set(para_from).
% 1.75/1.97     dependent: set(para_into).
% 1.75/1.97     dependent: clear(para_from_right).
% 1.75/1.97     dependent: clear(para_into_right).
% 1.75/1.97     dependent: set(para_from_vars).
% 1.75/1.97     dependent: set(eq_units_both_ways).
% 1.75/1.97     dependent: set(dynamic_demod_all).
% 1.75/1.97     dependent: set(dynamic_demod).
% 1.75/1.97     dependent: set(order_eq).
% 1.75/1.97     dependent: set(back_demod).
% 1.75/1.97     dependent: set(lrpo).
% 1.75/1.97     dependent: set(hyper_res).
% 1.75/1.97     dependent: set(unit_deletion).
% 1.75/1.97     dependent: set(factor).
% 1.75/1.97  
% 1.75/1.97  ------------> process usable:
% 1.75/1.97  ** KEPT (pick-wt=7): 1 [] A!=B| -cc(A)|cc(B).
% 1.75/1.97  ** KEPT (pick-wt=7): 2 [] A!=B| -cowlNothing(A)|cowlNothing(B).
% 1.75/1.97  ** KEPT (pick-wt=7): 3 [] A!=B| -cowlThing(A)|cowlThing(B).
% 1.75/1.97  ** KEPT (pick-wt=9): 4 [] A!=B| -rp(A,C)|rp(B,C).
% 1.75/1.97  ** KEPT (pick-wt=9): 5 [] A!=B| -rp(C,A)|rp(C,B).
% 1.75/1.97  ** KEPT (pick-wt=7): 6 [] A!=B| -xsd_integer(A)|xsd_integer(B).
% 1.75/1.97  ** KEPT (pick-wt=7): 7 [] A!=B| -xsd_string(A)|xsd_string(B).
% 1.75/1.97  ** KEPT (pick-wt=2): 8 [] -cowlNothing(A).
% 1.75/1.97  ** KEPT (pick-wt=4): 9 [] -xsd_string(A)| -xsd_integer(A).
% 1.75/1.97  ** KEPT (pick-wt=6): 10 [] -cc(A)|rp(A,$f1(A)).
% 1.75/1.97  ** KEPT (pick-wt=11): 11 [] -cc(A)| -rp(A,B)| -rp(A,C)|B=C.
% 1.75/1.97  ** KEPT (pick-wt=8): 13 [copy,12,unit_del,8] -cowlThing($c1)|xsd_string($c2)| -xsd_integer($c2)|cc($c5).
% 1.75/1.97  ** KEPT (pick-wt=12): 15 [copy,14,unit_del,8] -cowlThing($c1)|xsd_string($c2)| -xsd_integer($c2)| -rp($c5,A)|rp($c5,$c4).
% 1.75/1.98  ** KEPT (pick-wt=12): 17 [copy,16,unit_del,8] -cowlThing($c1)|xsd_string($c2)| -xsd_integer($c2)| -rp($c5,A)|rp($c5,$c3).
% 1.75/1.98  ** KEPT (pick-wt=12): 19 [copy,18,unit_del,8] -cowlThing($c1)|xsd_string($c2)| -xsd_integer($c2)| -rp($c5,A)|$c4!=$c3.
% 1.75/1.98  ** KEPT (pick-wt=8): 21 [copy,20,unit_del,8] -cowlThing($c1)| -xsd_string($c2)|xsd_integer($c2)|cc($c5).
% 1.75/1.98  ** KEPT (pick-wt=12): 23 [copy,22,unit_del,8] -cowlThing($c1)| -xsd_string($c2)|xsd_integer($c2)| -rp($c5,A)|rp($c5,$c4).
% 1.75/1.98  ** KEPT (pick-wt=12): 25 [copy,24,unit_del,8] -cowlThing($c1)| -xsd_string($c2)|xsd_integer($c2)| -rp($c5,A)|rp($c5,$c3).
% 1.75/1.98  ** KEPT (pick-wt=12): 27 [copy,26,unit_del,8] -cowlThing($c1)| -xsd_string($c2)|xsd_integer($c2)| -rp($c5,A)|$c4!=$c3.
% 1.75/1.98  8 back subsumes 2.
% 1.75/1.98  
% 1.75/1.98  ------------> process sos:
% 1.75/1.98  ** KEPT (pick-wt=3): 29 [] A=A.
% 1.75/1.98  ** KEPT (pick-wt=2): 30 [] cowlThing(A).
% 1.75/1.98  ** KEPT (pick-wt=4): 31 [] xsd_string(A)|xsd_integer(A).
% 1.75/1.98    Following clause subsumed by 29 during input processing: 0 [copy,29,flip.1] A=A.
% 1.75/1.98  29 back subsumes 28.
% 1.75/1.98  30 back subsumes 3.
% 1.75/1.98  
% 1.75/1.98  ======= end of input processing =======
% 1.75/1.98  
% 1.75/1.98  =========== start of search ===========
% 1.75/1.98  
% 1.75/1.98  -------- PROOF -------- 
% 1.75/1.98  
% 1.75/1.98  -----> EMPTY CLAUSE at   0.01 sec ----> 97 [hyper,96,9,86] $F.
% 1.75/1.98  
% 1.75/1.98  Length of proof is 23.  Level of proof is 12.
% 1.75/1.98  
% 1.75/1.98  ---------------- PROOF ----------------
% 1.75/1.98  % SZS status Theorem
% 1.75/1.98  % SZS output start Refutation
% See solution above
% 1.75/1.98  ------------ end of proof -------------
% 1.75/1.98  
% 1.75/1.98  
% 1.75/1.98  Search stopped by max_proofs option.
% 1.75/1.98  
% 1.75/1.98  
% 1.75/1.98  Search stopped by max_proofs option.
% 1.75/1.98  
% 1.75/1.98  ============ end of search ============
% 1.75/1.98  
% 1.75/1.98  -------------- statistics -------------
% 1.75/1.98  clauses given                 23
% 1.75/1.98  clauses generated            304
% 1.75/1.98  clauses kept                  86
% 1.75/1.98  clauses forward subsumed     248
% 1.75/1.98  clauses back subsumed         45
% 1.75/1.98  Kbytes malloced              976
% 1.75/1.98  
% 1.75/1.98  ----------- times (seconds) -----------
% 1.75/1.98  user CPU time          0.01          (0 hr, 0 min, 0 sec)
% 1.75/1.98  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.75/1.98  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.75/1.98  
% 1.75/1.98  That finishes the proof of the theorem.
% 1.75/1.98  
% 1.75/1.98  Process 32169 finished Wed Jul 27 03:27:38 2022
% 1.75/1.98  Otter interrupted
% 1.75/1.98  PROOF FOUND
%------------------------------------------------------------------------------