TSTP Solution File: KRS119+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : KRS119+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 13:01:11 EDT 2022

% Result   : Unsatisfiable 1.78s 1.98s
% Output   : Refutation 1.78s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   12
% Syntax   : Number of clauses     :   25 (  14 unt;   0 nHn;  25 RR)
%            Number of literals    :   39 (   0 equ;  15 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    9 (   8 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   1 con; 0-1 aty)
%            Number of variables   :   17 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(22,axiom,
    ( ~ cUnsatisfiable(A)
    | rr(A,dollar_f1(A)) ),
    file('KRS119+1.p',unknown),
    [] ).

cnf(23,axiom,
    ( ~ cUnsatisfiable(A)
    | ca_Vx3(dollar_f1(A)) ),
    file('KRS119+1.p',unknown),
    [] ).

cnf(24,axiom,
    ( ~ cUnsatisfiable(A)
    | cp1(A) ),
    file('KRS119+1.p',unknown),
    [] ).

cnf(26,axiom,
    ( ~ cp1(A)
    | ~ ra_Px1(A,B) ),
    file('KRS119+1.p',unknown),
    [] ).

cnf(27,axiom,
    ( ~ cp1xcomp(A)
    | ra_Px1(A,dollar_f3(A)) ),
    file('KRS119+1.p',unknown),
    [] ).

cnf(30,axiom,
    ( ~ ca_Ax2(A)
    | ~ rinvR(A,B)
    | cp1xcomp(B) ),
    file('KRS119+1.p',unknown),
    [] ).

cnf(33,axiom,
    ( ~ ca_Vx3(A)
    | rr(A,dollar_f5(A)) ),
    file('KRS119+1.p',unknown),
    [] ).

cnf(34,axiom,
    ( ~ ca_Vx3(A)
    | ca_Ax2(dollar_f5(A)) ),
    file('KRS119+1.p',unknown),
    [] ).

cnf(35,axiom,
    ( ca_Vx3(A)
    | ~ rr(A,B)
    | ~ ca_Ax2(B) ),
    file('KRS119+1.p',unknown),
    [] ).

cnf(40,axiom,
    ( rinvR(A,B)
    | ~ rr(B,A) ),
    file('KRS119+1.p',unknown),
    [] ).

cnf(41,axiom,
    ( ~ rr(A,B)
    | ~ rr(B,C)
    | rr(A,C) ),
    file('KRS119+1.p',unknown),
    [] ).

cnf(47,axiom,
    cUnsatisfiable(i2003_11_14_17_21_44786),
    file('KRS119+1.p',unknown),
    [] ).

cnf(48,plain,
    cp1(i2003_11_14_17_21_44786),
    inference(hyper,[status(thm)],[47,24]),
    [iquote('hyper,47,24')] ).

cnf(49,plain,
    ca_Vx3(dollar_f1(i2003_11_14_17_21_44786)),
    inference(hyper,[status(thm)],[47,23]),
    [iquote('hyper,47,23')] ).

cnf(50,plain,
    rr(i2003_11_14_17_21_44786,dollar_f1(i2003_11_14_17_21_44786)),
    inference(hyper,[status(thm)],[47,22]),
    [iquote('hyper,47,22')] ).

cnf(54,plain,
    ca_Ax2(dollar_f5(dollar_f1(i2003_11_14_17_21_44786))),
    inference(hyper,[status(thm)],[49,34]),
    [iquote('hyper,49,34')] ).

cnf(55,plain,
    rr(dollar_f1(i2003_11_14_17_21_44786),dollar_f5(dollar_f1(i2003_11_14_17_21_44786))),
    inference(hyper,[status(thm)],[49,33]),
    [iquote('hyper,49,33')] ).

cnf(78,plain,
    rr(i2003_11_14_17_21_44786,dollar_f5(dollar_f1(i2003_11_14_17_21_44786))),
    inference(hyper,[status(thm)],[55,41,50]),
    [iquote('hyper,55,41,50')] ).

cnf(86,plain,
    ca_Vx3(i2003_11_14_17_21_44786),
    inference(hyper,[status(thm)],[78,35,54]),
    [iquote('hyper,78,35,54')] ).

cnf(91,plain,
    ca_Ax2(dollar_f5(i2003_11_14_17_21_44786)),
    inference(hyper,[status(thm)],[86,34]),
    [iquote('hyper,86,34')] ).

cnf(92,plain,
    rr(i2003_11_14_17_21_44786,dollar_f5(i2003_11_14_17_21_44786)),
    inference(hyper,[status(thm)],[86,33]),
    [iquote('hyper,86,33')] ).

cnf(100,plain,
    rinvR(dollar_f5(i2003_11_14_17_21_44786),i2003_11_14_17_21_44786),
    inference(hyper,[status(thm)],[92,40]),
    [iquote('hyper,92,40')] ).

cnf(104,plain,
    cp1xcomp(i2003_11_14_17_21_44786),
    inference(hyper,[status(thm)],[100,30,91]),
    [iquote('hyper,100,30,91')] ).

cnf(109,plain,
    ra_Px1(i2003_11_14_17_21_44786,dollar_f3(i2003_11_14_17_21_44786)),
    inference(hyper,[status(thm)],[104,27]),
    [iquote('hyper,104,27')] ).

cnf(111,plain,
    $false,
    inference(hyper,[status(thm)],[109,26,48]),
    [iquote('hyper,109,26,48')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : KRS119+1 : TPTP v8.1.0. Released v3.1.0.
% 0.00/0.12  % 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 03:28:52 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.78/1.98  ----- Otter 3.3f, August 2004 -----
% 1.78/1.98  The process was started by sandbox on n019.cluster.edu,
% 1.78/1.98  Wed Jul 27 03:28:52 2022
% 1.78/1.98  The command was "./otter".  The process ID is 4250.
% 1.78/1.98  
% 1.78/1.98  set(prolog_style_variables).
% 1.78/1.98  set(auto).
% 1.78/1.98     dependent: set(auto1).
% 1.78/1.98     dependent: set(process_input).
% 1.78/1.98     dependent: clear(print_kept).
% 1.78/1.98     dependent: clear(print_new_demod).
% 1.78/1.98     dependent: clear(print_back_demod).
% 1.78/1.98     dependent: clear(print_back_sub).
% 1.78/1.98     dependent: set(control_memory).
% 1.78/1.98     dependent: assign(max_mem, 12000).
% 1.78/1.98     dependent: assign(pick_given_ratio, 4).
% 1.78/1.98     dependent: assign(stats_level, 1).
% 1.78/1.98     dependent: assign(max_seconds, 10800).
% 1.78/1.98  clear(print_given).
% 1.78/1.98  
% 1.78/1.98  formula_list(usable).
% 1.78/1.98  all A (A=A).
% 1.78/1.98  all A B (A=B&cUnsatisfiable(A)->cUnsatisfiable(B)).
% 1.78/1.98  all A B (A=B&ca_Ax2(A)->ca_Ax2(B)).
% 1.78/1.98  all A B (A=B&ca_Vx3(A)->ca_Vx3(B)).
% 1.78/1.98  all A B (A=B&cowlNothing(A)->cowlNothing(B)).
% 1.78/1.98  all A B (A=B&cowlThing(A)->cowlThing(B)).
% 1.78/1.98  all A B (A=B&cp1(A)->cp1(B)).
% 1.78/1.98  all A B (A=B&cp1xcomp(A)->cp1xcomp(B)).
% 1.78/1.98  all A B C (A=B&ra_Px1(A,C)->ra_Px1(B,C)).
% 1.78/1.98  all A B C (A=B&ra_Px1(C,A)->ra_Px1(C,B)).
% 1.78/1.98  all A B C (A=B&rf(A,C)->rf(B,C)).
% 1.78/1.98  all A B C (A=B&rf(C,A)->rf(C,B)).
% 1.78/1.98  all A B C (A=B&rinvF(A,C)->rinvF(B,C)).
% 1.78/1.98  all A B C (A=B&rinvF(C,A)->rinvF(C,B)).
% 1.78/1.98  all A B C (A=B&rinvR(A,C)->rinvR(B,C)).
% 1.78/1.98  all A B C (A=B&rinvR(C,A)->rinvR(C,B)).
% 1.78/1.98  all A B C (A=B&rr(A,C)->rr(B,C)).
% 1.78/1.98  all A B C (A=B&rr(C,A)->rr(C,B)).
% 1.78/1.98  all A B (A=B&xsd_integer(A)->xsd_integer(B)).
% 1.78/1.98  all A B (A=B&xsd_string(A)->xsd_string(B)).
% 1.78/1.98  all X (cowlThing(X)& -cowlNothing(X)).
% 1.78/1.98  all X (xsd_string(X)<-> -xsd_integer(X)).
% 1.78/1.98  all X (cUnsatisfiable(X)<-> (exists Y (rr(X,Y)&ca_Vx3(Y)))&cp1(X)).
% 1.78/1.98  all X (cp1(X)<-> -(exists Y ra_Px1(X,Y))).
% 1.78/1.98  all X (cp1xcomp(X)<-> (exists Y0 ra_Px1(X,Y0))).
% 1.78/1.98  all X (ca_Ax2(X)<->cp1(X)& (all Y (rinvR(X,Y)->cp1xcomp(Y)))).
% 1.78/1.98  all X (ca_Vx3(X)<-> (exists Y (rr(X,Y)&ca_Ax2(Y)))).
% 1.78/1.98  all X (cowlThing(X)-> (all Y0 Y1 (rf(X,Y0)&rf(X,Y1)->Y0=Y1))).
% 1.78/1.98  all X Y (rinvF(X,Y)<->rf(Y,X)).
% 1.78/1.98  all X Y (rinvR(X,Y)<->rr(Y,X)).
% 1.78/1.98  all X Y Z (rr(X,Y)&rr(Y,Z)->rr(X,Z)).
% 1.78/1.98  cUnsatisfiable(i2003_11_14_17_21_44786).
% 1.78/1.98  end_of_list.
% 1.78/1.98  
% 1.78/1.98  -------> usable clausifies to:
% 1.78/1.98  
% 1.78/1.98  list(usable).
% 1.78/1.98  0 [] A=A.
% 1.78/1.98  0 [] A!=B| -cUnsatisfiable(A)|cUnsatisfiable(B).
% 1.78/1.98  0 [] A!=B| -ca_Ax2(A)|ca_Ax2(B).
% 1.78/1.98  0 [] A!=B| -ca_Vx3(A)|ca_Vx3(B).
% 1.78/1.98  0 [] A!=B| -cowlNothing(A)|cowlNothing(B).
% 1.78/1.98  0 [] A!=B| -cowlThing(A)|cowlThing(B).
% 1.78/1.98  0 [] A!=B| -cp1(A)|cp1(B).
% 1.78/1.98  0 [] A!=B| -cp1xcomp(A)|cp1xcomp(B).
% 1.78/1.98  0 [] A!=B| -ra_Px1(A,C)|ra_Px1(B,C).
% 1.78/1.98  0 [] A!=B| -ra_Px1(C,A)|ra_Px1(C,B).
% 1.78/1.98  0 [] A!=B| -rf(A,C)|rf(B,C).
% 1.78/1.98  0 [] A!=B| -rf(C,A)|rf(C,B).
% 1.78/1.98  0 [] A!=B| -rinvF(A,C)|rinvF(B,C).
% 1.78/1.98  0 [] A!=B| -rinvF(C,A)|rinvF(C,B).
% 1.78/1.98  0 [] A!=B| -rinvR(A,C)|rinvR(B,C).
% 1.78/1.98  0 [] A!=B| -rinvR(C,A)|rinvR(C,B).
% 1.78/1.98  0 [] A!=B| -rr(A,C)|rr(B,C).
% 1.78/1.98  0 [] A!=B| -rr(C,A)|rr(C,B).
% 1.78/1.98  0 [] A!=B| -xsd_integer(A)|xsd_integer(B).
% 1.78/1.98  0 [] A!=B| -xsd_string(A)|xsd_string(B).
% 1.78/1.98  0 [] cowlThing(X).
% 1.78/1.98  0 [] -cowlNothing(X).
% 1.78/1.98  0 [] -xsd_string(X)| -xsd_integer(X).
% 1.78/1.98  0 [] xsd_string(X)|xsd_integer(X).
% 1.78/1.98  0 [] -cUnsatisfiable(X)|rr(X,$f1(X)).
% 1.78/1.98  0 [] -cUnsatisfiable(X)|ca_Vx3($f1(X)).
% 1.78/1.98  0 [] -cUnsatisfiable(X)|cp1(X).
% 1.78/1.98  0 [] cUnsatisfiable(X)| -rr(X,Y)| -ca_Vx3(Y)| -cp1(X).
% 1.78/1.98  0 [] -cp1(X)| -ra_Px1(X,Y).
% 1.78/1.98  0 [] cp1(X)|ra_Px1(X,$f2(X)).
% 1.78/1.98  0 [] -cp1xcomp(X)|ra_Px1(X,$f3(X)).
% 1.78/1.98  0 [] cp1xcomp(X)| -ra_Px1(X,Y0).
% 1.78/1.98  0 [] -ca_Ax2(X)|cp1(X).
% 1.78/1.98  0 [] -ca_Ax2(X)| -rinvR(X,Y)|cp1xcomp(Y).
% 1.78/1.98  0 [] ca_Ax2(X)| -cp1(X)|rinvR(X,$f4(X)).
% 1.78/1.98  0 [] ca_Ax2(X)| -cp1(X)| -cp1xcomp($f4(X)).
% 1.78/1.98  0 [] -ca_Vx3(X)|rr(X,$f5(X)).
% 1.78/1.98  0 [] -ca_Vx3(X)|ca_Ax2($f5(X)).
% 1.78/1.98  0 [] ca_Vx3(X)| -rr(X,Y)| -ca_Ax2(Y).
% 1.78/1.98  0 [] -cowlThing(X)| -rf(X,Y0)| -rf(X,Y1)|Y0=Y1.
% 1.78/1.98  0 [] -rinvF(X,Y)|rf(Y,X).
% 1.78/1.98  0 [] rinvF(X,Y)| -rf(Y,X).
% 1.78/1.98  0 [] -rinvR(X,Y)|rr(Y,X).
% 1.78/1.98  0 [] rinvR(X,Y)| -rr(Y,X).
% 1.78/1.98  0 [] -rr(X,Y)| -rr(Y,Z)|rr(X,Z).
% 1.78/1.98  0 [] cUnsatisfiable(i2003_11_14_17_21_44786).
% 1.78/1.98  end_of_list.
% 1.78/1.98  
% 1.78/1.98  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=4.
% 1.78/1.98  
% 1.78/1.98  This ia a non-Horn set with equality.  The strategy will be
% 1.78/1.98  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.78/1.98  deletion, with positive clauses in sos and nonpositive
% 1.78/1.98  clauses in usable.
% 1.78/1.98  
% 1.78/1.98     dependent: set(knuth_bendix).
% 1.78/1.98     dependent: set(anl_eq).
% 1.78/1.98     dependent: set(para_from).
% 1.78/1.98     dependent: set(para_into).
% 1.78/1.98     dependent: clear(para_from_right).
% 1.78/1.98     dependent: clear(para_into_right).
% 1.78/1.98     dependent: set(para_from_vars).
% 1.78/1.98     dependent: set(eq_units_both_ways).
% 1.78/1.98     dependent: set(dynamic_demod_all).
% 1.78/1.98     dependent: set(dynamic_demod).
% 1.78/1.98     dependent: set(order_eq).
% 1.78/1.98     dependent: set(back_demod).
% 1.78/1.98     dependent: set(lrpo).
% 1.78/1.98     dependent: set(hyper_res).
% 1.78/1.98     dependent: set(unit_deletion).
% 1.78/1.98     dependent: set(factor).
% 1.78/1.98  
% 1.78/1.98  ------------> process usable:
% 1.78/1.98  ** KEPT (pick-wt=7): 1 [] A!=B| -cUnsatisfiable(A)|cUnsatisfiable(B).
% 1.78/1.98  ** KEPT (pick-wt=7): 2 [] A!=B| -ca_Ax2(A)|ca_Ax2(B).
% 1.78/1.98  ** KEPT (pick-wt=7): 3 [] A!=B| -ca_Vx3(A)|ca_Vx3(B).
% 1.78/1.98  ** KEPT (pick-wt=7): 4 [] A!=B| -cowlNothing(A)|cowlNothing(B).
% 1.78/1.98  ** KEPT (pick-wt=7): 5 [] A!=B| -cowlThing(A)|cowlThing(B).
% 1.78/1.98  ** KEPT (pick-wt=7): 6 [] A!=B| -cp1(A)|cp1(B).
% 1.78/1.98  ** KEPT (pick-wt=7): 7 [] A!=B| -cp1xcomp(A)|cp1xcomp(B).
% 1.78/1.98  ** KEPT (pick-wt=9): 8 [] A!=B| -ra_Px1(A,C)|ra_Px1(B,C).
% 1.78/1.98  ** KEPT (pick-wt=9): 9 [] A!=B| -ra_Px1(C,A)|ra_Px1(C,B).
% 1.78/1.98  ** KEPT (pick-wt=9): 10 [] A!=B| -rf(A,C)|rf(B,C).
% 1.78/1.98  ** KEPT (pick-wt=9): 11 [] A!=B| -rf(C,A)|rf(C,B).
% 1.78/1.98  ** KEPT (pick-wt=9): 12 [] A!=B| -rinvF(A,C)|rinvF(B,C).
% 1.78/1.98  ** KEPT (pick-wt=9): 13 [] A!=B| -rinvF(C,A)|rinvF(C,B).
% 1.78/1.98  ** KEPT (pick-wt=9): 14 [] A!=B| -rinvR(A,C)|rinvR(B,C).
% 1.78/1.98  ** KEPT (pick-wt=9): 15 [] A!=B| -rinvR(C,A)|rinvR(C,B).
% 1.78/1.98  ** KEPT (pick-wt=9): 16 [] A!=B| -rr(A,C)|rr(B,C).
% 1.78/1.98  ** KEPT (pick-wt=9): 17 [] A!=B| -rr(C,A)|rr(C,B).
% 1.78/1.98  ** KEPT (pick-wt=7): 18 [] A!=B| -xsd_integer(A)|xsd_integer(B).
% 1.78/1.98  ** KEPT (pick-wt=7): 19 [] A!=B| -xsd_string(A)|xsd_string(B).
% 1.78/1.98  ** KEPT (pick-wt=2): 20 [] -cowlNothing(A).
% 1.78/1.98  ** KEPT (pick-wt=4): 21 [] -xsd_string(A)| -xsd_integer(A).
% 1.78/1.98  ** KEPT (pick-wt=6): 22 [] -cUnsatisfiable(A)|rr(A,$f1(A)).
% 1.78/1.98  ** KEPT (pick-wt=5): 23 [] -cUnsatisfiable(A)|ca_Vx3($f1(A)).
% 1.78/1.98  ** KEPT (pick-wt=4): 24 [] -cUnsatisfiable(A)|cp1(A).
% 1.78/1.98  ** KEPT (pick-wt=9): 25 [] cUnsatisfiable(A)| -rr(A,B)| -ca_Vx3(B)| -cp1(A).
% 1.78/1.98  ** KEPT (pick-wt=5): 26 [] -cp1(A)| -ra_Px1(A,B).
% 1.78/1.98  ** KEPT (pick-wt=6): 27 [] -cp1xcomp(A)|ra_Px1(A,$f3(A)).
% 1.78/1.98  ** KEPT (pick-wt=5): 28 [] cp1xcomp(A)| -ra_Px1(A,B).
% 1.78/1.98  ** KEPT (pick-wt=4): 29 [] -ca_Ax2(A)|cp1(A).
% 1.78/1.98  ** KEPT (pick-wt=7): 30 [] -ca_Ax2(A)| -rinvR(A,B)|cp1xcomp(B).
% 1.78/1.98  ** KEPT (pick-wt=8): 31 [] ca_Ax2(A)| -cp1(A)|rinvR(A,$f4(A)).
% 1.78/1.98  ** KEPT (pick-wt=7): 32 [] ca_Ax2(A)| -cp1(A)| -cp1xcomp($f4(A)).
% 1.78/1.98  ** KEPT (pick-wt=6): 33 [] -ca_Vx3(A)|rr(A,$f5(A)).
% 1.78/1.98  ** KEPT (pick-wt=5): 34 [] -ca_Vx3(A)|ca_Ax2($f5(A)).
% 1.78/1.98  ** KEPT (pick-wt=7): 35 [] ca_Vx3(A)| -rr(A,B)| -ca_Ax2(B).
% 1.78/1.98  ** KEPT (pick-wt=11): 36 [] -cowlThing(A)| -rf(A,B)| -rf(A,C)|B=C.
% 1.78/1.98  ** KEPT (pick-wt=6): 37 [] -rinvF(A,B)|rf(B,A).
% 1.78/1.98  ** KEPT (pick-wt=6): 38 [] rinvF(A,B)| -rf(B,A).
% 1.78/1.98  ** KEPT (pick-wt=6): 39 [] -rinvR(A,B)|rr(B,A).
% 1.78/1.98  ** KEPT (pick-wt=6): 40 [] rinvR(A,B)| -rr(B,A).
% 1.78/1.98  ** KEPT (pick-wt=9): 41 [] -rr(A,B)| -rr(B,C)|rr(A,C).
% 1.78/1.98  20 back subsumes 4.
% 1.78/1.98  
% 1.78/1.98  ------------> process sos:
% 1.78/1.98  ** KEPT (pick-wt=3): 43 [] A=A.
% 1.78/1.98  ** KEPT (pick-wt=2): 44 [] cowlThing(A).
% 1.78/1.98  ** KEPT (pick-wt=4): 45 [] xsd_string(A)|xsd_integer(A).
% 1.78/1.98  ** KEPT (pick-wt=6): 46 [] cp1(A)|ra_Px1(A,$f2(A)).
% 1.78/1.98  ** KEPT (pick-wt=2): 47 [] cUnsatisfiable(i2003_11_14_17_21_44786).
% 1.78/1.98    Following clause subsumed by 43 during input processing: 0 [copy,43,flip.1] A=A.
% 1.78/1.98  43 back subsumes 42.
% 1.78/1.98  44 back subsumes 5.
% 1.78/1.98  
% 1.78/1.98  ======= end of input processing =======
% 1.78/1.98  
% 1.78/1.98  =========== start of search ===========
% 1.78/1.98  
% 1.78/1.98  -------- PROOF -------- 
% 1.78/1.98  
% 1.78/1.98  -----> EMPTY CLAUSE at   0.01 sec ----> 111 [hyper,109,26,48] $F.
% 1.78/1.98  
% 1.78/1.98  Length of proof is 12.  Level of proof is 8.
% 1.78/1.98  
% 1.78/1.98  ---------------- PROOF ----------------
% 1.78/1.98  % SZS status Theorem
% 1.78/1.98  % SZS output start Refutation
% See solution above
% 1.78/1.98  ------------ end of proof -------------
% 1.78/1.98  
% 1.78/1.98  
% 1.78/1.98  Search stopped by max_proofs option.
% 1.78/1.98  
% 1.78/1.98  
% 1.78/1.98  Search stopped by max_proofs option.
% 1.78/1.98  
% 1.78/1.98  ============ end of search ============
% 1.78/1.98  
% 1.78/1.98  -------------- statistics -------------
% 1.78/1.98  clauses given                 23
% 1.78/1.98  clauses generated            154
% 1.78/1.98  clauses kept                 110
% 1.78/1.98  clauses forward subsumed      89
% 1.78/1.98  clauses back subsumed          3
% 1.78/1.98  Kbytes malloced              976
% 1.78/1.98  
% 1.78/1.98  ----------- times (seconds) -----------
% 1.78/1.98  user CPU time          0.01          (0 hr, 0 min, 0 sec)
% 1.78/1.98  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.78/1.98  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.78/1.98  
% 1.78/1.98  That finishes the proof of the theorem.
% 1.78/1.98  
% 1.78/1.98  Process 4250 finished Wed Jul 27 03:28:53 2022
% 1.78/1.98  Otter interrupted
% 1.78/1.98  PROOF FOUND
%------------------------------------------------------------------------------