TSTP Solution File: KRS118+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : KRS118+1 : TPTP v8.1.0. Released v3.1.0.
% 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 13:01:11 EDT 2022

% Result   : Unsatisfiable 1.64s 2.26s
% Output   : Refutation 1.64s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   15
% Syntax   : Number of clauses     :   31 (  17 unt;   0 nHn;  31 RR)
%            Number of literals    :   47 (   2 equ;  17 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :   12 (  10 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   1 con; 0-1 aty)
%            Number of variables   :   21 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(22,axiom,
    ( ~ cUnsatisfiable(A)
    | ~ rinvR(A,B)
    | ca_Vx3(B) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(23,axiom,
    ( ~ cUnsatisfiable(A)
    | rinvF(A,dollar_f1(A)) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(24,axiom,
    ( ~ cUnsatisfiable(A)
    | cd(dollar_f1(A)) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(28,axiom,
    ( ~ cc(A)
    | ~ ra_Px1(A,B) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(29,axiom,
    ( ~ ccxcomp(A)
    | ra_Px1(A,dollar_f4(A)) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(31,axiom,
    ( ~ cd(A)
    | rf(A,dollar_f5(A)) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(32,axiom,
    ( ~ cd(A)
    | ccxcomp(dollar_f5(A)) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(33,axiom,
    ( ~ cd(A)
    | cc(A) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(35,axiom,
    ( ~ ca_Vx3(A)
    | rinvF(A,dollar_f6(A)) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(36,axiom,
    ( ~ ca_Vx3(A)
    | cd(dollar_f6(A)) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(38,axiom,
    ( ~ rf(A,B)
    | ~ rf(A,C)
    | B = C ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(39,axiom,
    ( ~ rinvF(A,B)
    | rf(B,A) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(42,axiom,
    ( rinvR(A,B)
    | ~ rr(B,A) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(44,axiom,
    ( ~ rf(A,B)
    | rr(A,B) ),
    file('KRS118+1.p',unknown),
    [] ).

cnf(50,axiom,
    cUnsatisfiable(i2003_11_14_17_21_4056),
    file('KRS118+1.p',unknown),
    [] ).

cnf(52,plain,
    cd(dollar_f1(i2003_11_14_17_21_4056)),
    inference(hyper,[status(thm)],[50,24]),
    [iquote('hyper,50,24')] ).

cnf(53,plain,
    rinvF(i2003_11_14_17_21_4056,dollar_f1(i2003_11_14_17_21_4056)),
    inference(hyper,[status(thm)],[50,23]),
    [iquote('hyper,50,23')] ).

cnf(57,plain,
    cc(dollar_f1(i2003_11_14_17_21_4056)),
    inference(hyper,[status(thm)],[52,33]),
    [iquote('hyper,52,33')] ).

cnf(64,plain,
    rf(dollar_f1(i2003_11_14_17_21_4056),i2003_11_14_17_21_4056),
    inference(hyper,[status(thm)],[53,39]),
    [iquote('hyper,53,39')] ).

cnf(88,plain,
    rr(dollar_f1(i2003_11_14_17_21_4056),i2003_11_14_17_21_4056),
    inference(hyper,[status(thm)],[64,44]),
    [iquote('hyper,64,44')] ).

cnf(104,plain,
    rinvR(i2003_11_14_17_21_4056,dollar_f1(i2003_11_14_17_21_4056)),
    inference(hyper,[status(thm)],[88,42]),
    [iquote('hyper,88,42')] ).

cnf(113,plain,
    ca_Vx3(dollar_f1(i2003_11_14_17_21_4056)),
    inference(hyper,[status(thm)],[104,22,50]),
    [iquote('hyper,104,22,50')] ).

cnf(117,plain,
    cd(dollar_f6(dollar_f1(i2003_11_14_17_21_4056))),
    inference(hyper,[status(thm)],[113,36]),
    [iquote('hyper,113,36')] ).

cnf(118,plain,
    rinvF(dollar_f1(i2003_11_14_17_21_4056),dollar_f6(dollar_f1(i2003_11_14_17_21_4056))),
    inference(hyper,[status(thm)],[113,35]),
    [iquote('hyper,113,35')] ).

cnf(131,plain,
    ccxcomp(dollar_f5(dollar_f6(dollar_f1(i2003_11_14_17_21_4056)))),
    inference(hyper,[status(thm)],[117,32]),
    [iquote('hyper,117,32')] ).

cnf(132,plain,
    rf(dollar_f6(dollar_f1(i2003_11_14_17_21_4056)),dollar_f5(dollar_f6(dollar_f1(i2003_11_14_17_21_4056)))),
    inference(hyper,[status(thm)],[117,31]),
    [iquote('hyper,117,31')] ).

cnf(162,plain,
    ra_Px1(dollar_f5(dollar_f6(dollar_f1(i2003_11_14_17_21_4056))),dollar_f4(dollar_f5(dollar_f6(dollar_f1(i2003_11_14_17_21_4056))))),
    inference(hyper,[status(thm)],[131,29]),
    [iquote('hyper,131,29')] ).

cnf(181,plain,
    rf(dollar_f6(dollar_f1(i2003_11_14_17_21_4056)),dollar_f1(i2003_11_14_17_21_4056)),
    inference(hyper,[status(thm)],[118,39]),
    [iquote('hyper,118,39')] ).

cnf(323,plain,
    dollar_f5(dollar_f6(dollar_f1(i2003_11_14_17_21_4056))) = dollar_f1(i2003_11_14_17_21_4056),
    inference(flip,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[132,38,181])]),
    [iquote('hyper,132,38,181,flip.1')] ).

cnf(325,plain,
    ra_Px1(dollar_f1(i2003_11_14_17_21_4056),dollar_f4(dollar_f1(i2003_11_14_17_21_4056))),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[162]),323,323]),
    [iquote('back_demod,162,demod,323,323')] ).

cnf(329,plain,
    $false,
    inference(hyper,[status(thm)],[325,28,57]),
    [iquote('hyper,325,28,57')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : KRS118+1 : TPTP v8.1.0. Released v3.1.0.
% 0.07/0.13  % Command  : otter-tptp-script %s
% 0.14/0.34  % Computer : n020.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 300
% 0.14/0.34  % DateTime : Wed Jul 27 03:27:08 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 1.64/2.25  ----- Otter 3.3f, August 2004 -----
% 1.64/2.25  The process was started by sandbox on n020.cluster.edu,
% 1.64/2.25  Wed Jul 27 03:27:08 2022
% 1.64/2.25  The command was "./otter".  The process ID is 25441.
% 1.64/2.25  
% 1.64/2.25  set(prolog_style_variables).
% 1.64/2.25  set(auto).
% 1.64/2.25     dependent: set(auto1).
% 1.64/2.25     dependent: set(process_input).
% 1.64/2.25     dependent: clear(print_kept).
% 1.64/2.25     dependent: clear(print_new_demod).
% 1.64/2.25     dependent: clear(print_back_demod).
% 1.64/2.25     dependent: clear(print_back_sub).
% 1.64/2.25     dependent: set(control_memory).
% 1.64/2.25     dependent: assign(max_mem, 12000).
% 1.64/2.25     dependent: assign(pick_given_ratio, 4).
% 1.64/2.25     dependent: assign(stats_level, 1).
% 1.64/2.25     dependent: assign(max_seconds, 10800).
% 1.64/2.25  clear(print_given).
% 1.64/2.25  
% 1.64/2.25  formula_list(usable).
% 1.64/2.25  all A (A=A).
% 1.64/2.25  all A B (A=B&cUnsatisfiable(A)->cUnsatisfiable(B)).
% 1.64/2.25  all A B (A=B&ca_Vx3(A)->ca_Vx3(B)).
% 1.64/2.25  all A B (A=B&cc(A)->cc(B)).
% 1.64/2.25  all A B (A=B&ccxcomp(A)->ccxcomp(B)).
% 1.64/2.25  all A B (A=B&cd(A)->cd(B)).
% 1.64/2.25  all A B (A=B&cowlNothing(A)->cowlNothing(B)).
% 1.64/2.25  all A B (A=B&cowlThing(A)->cowlThing(B)).
% 1.64/2.25  all A B C (A=B&ra_Px1(A,C)->ra_Px1(B,C)).
% 1.64/2.25  all A B C (A=B&ra_Px1(C,A)->ra_Px1(C,B)).
% 1.64/2.25  all A B C (A=B&rf(A,C)->rf(B,C)).
% 1.64/2.25  all A B C (A=B&rf(C,A)->rf(C,B)).
% 1.64/2.25  all A B C (A=B&rinvF(A,C)->rinvF(B,C)).
% 1.64/2.25  all A B C (A=B&rinvF(C,A)->rinvF(C,B)).
% 1.64/2.25  all A B C (A=B&rinvR(A,C)->rinvR(B,C)).
% 1.64/2.25  all A B C (A=B&rinvR(C,A)->rinvR(C,B)).
% 1.64/2.25  all A B C (A=B&rr(A,C)->rr(B,C)).
% 1.64/2.25  all A B C (A=B&rr(C,A)->rr(C,B)).
% 1.64/2.25  all A B (A=B&xsd_integer(A)->xsd_integer(B)).
% 1.64/2.25  all A B (A=B&xsd_string(A)->xsd_string(B)).
% 1.64/2.25  all X (cowlThing(X)& -cowlNothing(X)).
% 1.64/2.25  all X (xsd_string(X)<-> -xsd_integer(X)).
% 1.64/2.25  all X (cUnsatisfiable(X)<-> (all Y (rinvR(X,Y)->ca_Vx3(Y)))& (exists Y (rinvF(X,Y)&cd(Y)))&ccxcomp(X)).
% 1.64/2.25  all X (cc(X)<-> -(exists Y ra_Px1(X,Y))).
% 1.64/2.25  all X (ccxcomp(X)<-> (exists Y0 ra_Px1(X,Y0))).
% 1.64/2.25  all X (cd(X)<-> (exists Y (rf(X,Y)&ccxcomp(Y)))&cc(X)).
% 1.64/2.25  all X (ca_Vx3(X)<-> (exists Y (rinvF(X,Y)&cd(Y)))).
% 1.64/2.25  all X Y Z (rf(X,Y)&rf(X,Z)->Y=Z).
% 1.64/2.25  all X Y (rinvF(X,Y)<->rf(Y,X)).
% 1.64/2.25  all X Y (rinvR(X,Y)<->rr(Y,X)).
% 1.64/2.25  all X Y Z (rr(X,Y)&rr(Y,Z)->rr(X,Z)).
% 1.64/2.25  cUnsatisfiable(i2003_11_14_17_21_4056).
% 1.64/2.25  all X Y (rf(X,Y)->rr(X,Y)).
% 1.64/2.25  end_of_list.
% 1.64/2.25  
% 1.64/2.25  -------> usable clausifies to:
% 1.64/2.25  
% 1.64/2.25  list(usable).
% 1.64/2.25  0 [] A=A.
% 1.64/2.25  0 [] A!=B| -cUnsatisfiable(A)|cUnsatisfiable(B).
% 1.64/2.25  0 [] A!=B| -ca_Vx3(A)|ca_Vx3(B).
% 1.64/2.25  0 [] A!=B| -cc(A)|cc(B).
% 1.64/2.25  0 [] A!=B| -ccxcomp(A)|ccxcomp(B).
% 1.64/2.25  0 [] A!=B| -cd(A)|cd(B).
% 1.64/2.25  0 [] A!=B| -cowlNothing(A)|cowlNothing(B).
% 1.64/2.25  0 [] A!=B| -cowlThing(A)|cowlThing(B).
% 1.64/2.25  0 [] A!=B| -ra_Px1(A,C)|ra_Px1(B,C).
% 1.64/2.25  0 [] A!=B| -ra_Px1(C,A)|ra_Px1(C,B).
% 1.64/2.25  0 [] A!=B| -rf(A,C)|rf(B,C).
% 1.64/2.25  0 [] A!=B| -rf(C,A)|rf(C,B).
% 1.64/2.25  0 [] A!=B| -rinvF(A,C)|rinvF(B,C).
% 1.64/2.25  0 [] A!=B| -rinvF(C,A)|rinvF(C,B).
% 1.64/2.25  0 [] A!=B| -rinvR(A,C)|rinvR(B,C).
% 1.64/2.25  0 [] A!=B| -rinvR(C,A)|rinvR(C,B).
% 1.64/2.25  0 [] A!=B| -rr(A,C)|rr(B,C).
% 1.64/2.25  0 [] A!=B| -rr(C,A)|rr(C,B).
% 1.64/2.25  0 [] A!=B| -xsd_integer(A)|xsd_integer(B).
% 1.64/2.25  0 [] A!=B| -xsd_string(A)|xsd_string(B).
% 1.64/2.25  0 [] cowlThing(X).
% 1.64/2.25  0 [] -cowlNothing(X).
% 1.64/2.25  0 [] -xsd_string(X)| -xsd_integer(X).
% 1.64/2.25  0 [] xsd_string(X)|xsd_integer(X).
% 1.64/2.25  0 [] -cUnsatisfiable(X)| -rinvR(X,Y)|ca_Vx3(Y).
% 1.64/2.25  0 [] -cUnsatisfiable(X)|rinvF(X,$f1(X)).
% 1.64/2.25  0 [] -cUnsatisfiable(X)|cd($f1(X)).
% 1.64/2.25  0 [] -cUnsatisfiable(X)|ccxcomp(X).
% 1.64/2.25  0 [] cUnsatisfiable(X)|rinvR(X,$f2(X))| -rinvF(X,X1)| -cd(X1)| -ccxcomp(X).
% 1.64/2.25  0 [] cUnsatisfiable(X)| -ca_Vx3($f2(X))| -rinvF(X,X1)| -cd(X1)| -ccxcomp(X).
% 1.64/2.25  0 [] -cc(X)| -ra_Px1(X,Y).
% 1.64/2.25  0 [] cc(X)|ra_Px1(X,$f3(X)).
% 1.64/2.25  0 [] -ccxcomp(X)|ra_Px1(X,$f4(X)).
% 1.64/2.25  0 [] ccxcomp(X)| -ra_Px1(X,Y0).
% 1.64/2.25  0 [] -cd(X)|rf(X,$f5(X)).
% 1.64/2.25  0 [] -cd(X)|ccxcomp($f5(X)).
% 1.64/2.25  0 [] -cd(X)|cc(X).
% 1.64/2.25  0 [] cd(X)| -rf(X,Y)| -ccxcomp(Y)| -cc(X).
% 1.64/2.25  0 [] -ca_Vx3(X)|rinvF(X,$f6(X)).
% 1.64/2.25  0 [] -ca_Vx3(X)|cd($f6(X)).
% 1.64/2.25  0 [] ca_Vx3(X)| -rinvF(X,Y)| -cd(Y).
% 1.64/2.25  0 [] -rf(X,Y)| -rf(X,Z)|Y=Z.
% 1.64/2.25  0 [] -rinvF(X,Y)|rf(Y,X).
% 1.64/2.25  0 [] rinvF(X,Y)| -rf(Y,X).
% 1.64/2.25  0 [] -rinvR(X,Y)|rr(Y,X).
% 1.64/2.25  0 [] rinvR(X,Y)| -rr(Y,X).
% 1.64/2.25  0 [] -rr(X,Y)| -rr(Y,Z)|rr(X,Z).
% 1.64/2.25  0 [] cUnsatisfiable(i2003_11_14_17_21_4056).
% 1.64/2.25  0 [] -rf(X,Y)|rr(X,Y).
% 1.64/2.25  end_of_list.
% 1.64/2.25  
% 1.64/2.25  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=5.
% 1.64/2.25  
% 1.64/2.25  This ia a non-Horn set with equality.  The strategy will be
% 1.64/2.25  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.64/2.25  deletion, with positive clauses in sos and nonpositive
% 1.64/2.25  clauses in usable.
% 1.64/2.25  
% 1.64/2.25     dependent: set(knuth_bendix).
% 1.64/2.25     dependent: set(anl_eq).
% 1.64/2.25     dependent: set(para_from).
% 1.64/2.25     dependent: set(para_into).
% 1.64/2.26     dependent: clear(para_from_right).
% 1.64/2.26     dependent: clear(para_into_right).
% 1.64/2.26     dependent: set(para_from_vars).
% 1.64/2.26     dependent: set(eq_units_both_ways).
% 1.64/2.26     dependent: set(dynamic_demod_all).
% 1.64/2.26     dependent: set(dynamic_demod).
% 1.64/2.26     dependent: set(order_eq).
% 1.64/2.26     dependent: set(back_demod).
% 1.64/2.26     dependent: set(lrpo).
% 1.64/2.26     dependent: set(hyper_res).
% 1.64/2.26     dependent: set(unit_deletion).
% 1.64/2.26     dependent: set(factor).
% 1.64/2.26  
% 1.64/2.26  ------------> process usable:
% 1.64/2.26  ** KEPT (pick-wt=7): 1 [] A!=B| -cUnsatisfiable(A)|cUnsatisfiable(B).
% 1.64/2.26  ** KEPT (pick-wt=7): 2 [] A!=B| -ca_Vx3(A)|ca_Vx3(B).
% 1.64/2.26  ** KEPT (pick-wt=7): 3 [] A!=B| -cc(A)|cc(B).
% 1.64/2.26  ** KEPT (pick-wt=7): 4 [] A!=B| -ccxcomp(A)|ccxcomp(B).
% 1.64/2.26  ** KEPT (pick-wt=7): 5 [] A!=B| -cd(A)|cd(B).
% 1.64/2.26  ** KEPT (pick-wt=7): 6 [] A!=B| -cowlNothing(A)|cowlNothing(B).
% 1.64/2.26  ** KEPT (pick-wt=7): 7 [] A!=B| -cowlThing(A)|cowlThing(B).
% 1.64/2.26  ** KEPT (pick-wt=9): 8 [] A!=B| -ra_Px1(A,C)|ra_Px1(B,C).
% 1.64/2.26  ** KEPT (pick-wt=9): 9 [] A!=B| -ra_Px1(C,A)|ra_Px1(C,B).
% 1.64/2.26  ** KEPT (pick-wt=9): 10 [] A!=B| -rf(A,C)|rf(B,C).
% 1.64/2.26  ** KEPT (pick-wt=9): 11 [] A!=B| -rf(C,A)|rf(C,B).
% 1.64/2.26  ** KEPT (pick-wt=9): 12 [] A!=B| -rinvF(A,C)|rinvF(B,C).
% 1.64/2.26  ** KEPT (pick-wt=9): 13 [] A!=B| -rinvF(C,A)|rinvF(C,B).
% 1.64/2.26  ** KEPT (pick-wt=9): 14 [] A!=B| -rinvR(A,C)|rinvR(B,C).
% 1.64/2.26  ** KEPT (pick-wt=9): 15 [] A!=B| -rinvR(C,A)|rinvR(C,B).
% 1.64/2.26  ** KEPT (pick-wt=9): 16 [] A!=B| -rr(A,C)|rr(B,C).
% 1.64/2.26  ** KEPT (pick-wt=9): 17 [] A!=B| -rr(C,A)|rr(C,B).
% 1.64/2.26  ** KEPT (pick-wt=7): 18 [] A!=B| -xsd_integer(A)|xsd_integer(B).
% 1.64/2.26  ** KEPT (pick-wt=7): 19 [] A!=B| -xsd_string(A)|xsd_string(B).
% 1.64/2.26  ** KEPT (pick-wt=2): 20 [] -cowlNothing(A).
% 1.64/2.26  ** KEPT (pick-wt=4): 21 [] -xsd_string(A)| -xsd_integer(A).
% 1.64/2.26  ** KEPT (pick-wt=7): 22 [] -cUnsatisfiable(A)| -rinvR(A,B)|ca_Vx3(B).
% 1.64/2.26  ** KEPT (pick-wt=6): 23 [] -cUnsatisfiable(A)|rinvF(A,$f1(A)).
% 1.64/2.26  ** KEPT (pick-wt=5): 24 [] -cUnsatisfiable(A)|cd($f1(A)).
% 1.64/2.26  ** KEPT (pick-wt=4): 25 [] -cUnsatisfiable(A)|ccxcomp(A).
% 1.64/2.26  ** KEPT (pick-wt=13): 26 [] cUnsatisfiable(A)|rinvR(A,$f2(A))| -rinvF(A,B)| -cd(B)| -ccxcomp(A).
% 1.64/2.26  ** KEPT (pick-wt=12): 27 [] cUnsatisfiable(A)| -ca_Vx3($f2(A))| -rinvF(A,B)| -cd(B)| -ccxcomp(A).
% 1.64/2.26  ** KEPT (pick-wt=5): 28 [] -cc(A)| -ra_Px1(A,B).
% 1.64/2.26  ** KEPT (pick-wt=6): 29 [] -ccxcomp(A)|ra_Px1(A,$f4(A)).
% 1.64/2.26  ** KEPT (pick-wt=5): 30 [] ccxcomp(A)| -ra_Px1(A,B).
% 1.64/2.26  ** KEPT (pick-wt=6): 31 [] -cd(A)|rf(A,$f5(A)).
% 1.64/2.26  ** KEPT (pick-wt=5): 32 [] -cd(A)|ccxcomp($f5(A)).
% 1.64/2.26  ** KEPT (pick-wt=4): 33 [] -cd(A)|cc(A).
% 1.64/2.26  ** KEPT (pick-wt=9): 34 [] cd(A)| -rf(A,B)| -ccxcomp(B)| -cc(A).
% 1.64/2.26  ** KEPT (pick-wt=6): 35 [] -ca_Vx3(A)|rinvF(A,$f6(A)).
% 1.64/2.26  ** KEPT (pick-wt=5): 36 [] -ca_Vx3(A)|cd($f6(A)).
% 1.64/2.26  ** KEPT (pick-wt=7): 37 [] ca_Vx3(A)| -rinvF(A,B)| -cd(B).
% 1.64/2.26  ** KEPT (pick-wt=9): 38 [] -rf(A,B)| -rf(A,C)|B=C.
% 1.64/2.26  ** KEPT (pick-wt=6): 39 [] -rinvF(A,B)|rf(B,A).
% 1.64/2.26  ** KEPT (pick-wt=6): 40 [] rinvF(A,B)| -rf(B,A).
% 1.64/2.26  ** KEPT (pick-wt=6): 41 [] -rinvR(A,B)|rr(B,A).
% 1.64/2.26  ** KEPT (pick-wt=6): 42 [] rinvR(A,B)| -rr(B,A).
% 1.64/2.26  ** KEPT (pick-wt=9): 43 [] -rr(A,B)| -rr(B,C)|rr(A,C).
% 1.64/2.26  ** KEPT (pick-wt=6): 44 [] -rf(A,B)|rr(A,B).
% 1.64/2.26  20 back subsumes 6.
% 1.64/2.26  
% 1.64/2.26  ------------> process sos:
% 1.64/2.26  ** KEPT (pick-wt=3): 46 [] A=A.
% 1.64/2.26  ** KEPT (pick-wt=2): 47 [] cowlThing(A).
% 1.64/2.26  ** KEPT (pick-wt=4): 48 [] xsd_string(A)|xsd_integer(A).
% 1.64/2.26  ** KEPT (pick-wt=6): 49 [] cc(A)|ra_Px1(A,$f3(A)).
% 1.64/2.26  ** KEPT (pick-wt=2): 50 [] cUnsatisfiable(i2003_11_14_17_21_4056).
% 1.64/2.26    Following clause subsumed by 46 during input processing: 0 [copy,46,flip.1] A=A.
% 1.64/2.26  46 back subsumes 45.
% 1.64/2.26  47 back subsumes 7.
% 1.64/2.26  
% 1.64/2.26  ======= end of input processing =======
% 1.64/2.26  
% 1.64/2.26  =========== start of search ===========
% 1.64/2.26  
% 1.64/2.26  -------- PROOF -------- 
% 1.64/2.26  
% 1.64/2.26  -----> EMPTY CLAUSE at   0.02 sec ----> 329 [hyper,325,28,57] $F.
% 1.64/2.26  
% 1.64/2.26  Length of proof is 15.  Level of proof is 9.
% 1.64/2.26  
% 1.64/2.26  ---------------- PROOF ----------------
% 1.64/2.26  % SZS status Theorem
% 1.64/2.26  % SZS output start Refutation
% See solution above
% 1.64/2.26  ------------ end of proof -------------
% 1.64/2.26  
% 1.64/2.26  
% 1.64/2.26  Search stopped by max_proofs option.
% 1.64/2.26  
% 1.64/2.26  
% 1.64/2.26  Search stopped by max_proofs option.
% 1.64/2.26  
% 1.64/2.26  ============ end of search ============
% 1.64/2.26  
% 1.64/2.26  -------------- statistics -------------
% 1.64/2.26  clauses given                 69
% 1.64/2.26  clauses generated            709
% 1.64/2.26  clauses kept                 325
% 1.64/2.26  clauses forward subsumed     456
% 1.64/2.26  clauses back subsumed          3
% 1.64/2.26  Kbytes malloced             1953
% 1.64/2.26  
% 1.64/2.26  ----------- times (seconds) -----------
% 1.64/2.26  user CPU time          0.02          (0 hr, 0 min, 0 sec)
% 1.64/2.26  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.64/2.26  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.64/2.26  
% 1.64/2.26  That finishes the proof of the theorem.
% 1.64/2.26  
% 1.64/2.26  Process 25441 finished Wed Jul 27 03:27:10 2022
% 1.64/2.26  Otter interrupted
% 1.64/2.26  PROOF FOUND
%------------------------------------------------------------------------------