TSTP Solution File: SWB027+2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SWB027+2 : TPTP v8.1.0. Released v5.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n007.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 13:17:49 EDT 2022

% Result   : Theorem 1.96s 2.16s
% Output   : Refutation 1.96s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   15
% Syntax   : Number of clauses     :   26 (  16 unt;   4 nHn;  26 RR)
%            Number of literals    :   50 (   3 equ;  21 neg)
%            Maximal clause size   :    8 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :   15 (  15 usr;  12 con; 0-1 aty)
%            Number of variables   :   24 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( iext(uri_rdf_type,A,B)
    | ~ icext(B,A) ),
    file('SWB027+2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ iext(uri_owl_sameAs,A,B)
    | A = B ),
    file('SWB027+2.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ iext(uri_rdf_first,A,B)
    | ~ iext(uri_rdf_rest,A,C)
    | ~ iext(uri_rdf_first,C,D)
    | ~ iext(uri_rdf_rest,C,uri_rdf_nil)
    | ~ iext(uri_owl_propertyChainAxiom,E,A)
    | ip(B) ),
    file('SWB027+2.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ iext(uri_rdf_first,A,B)
    | ~ iext(uri_rdf_rest,A,C)
    | ~ iext(uri_rdf_first,C,D)
    | ~ iext(uri_rdf_rest,C,uri_rdf_nil)
    | ~ iext(uri_owl_propertyChainAxiom,E,A)
    | ~ iext(B,F,G)
    | ~ iext(D,G,H)
    | iext(E,F,H) ),
    file('SWB027+2.p',unknown),
    [] ).

cnf(14,axiom,
    ( icext(uri_owl_InverseFunctionalProperty,A)
    | ~ ip(A)
    | iext(A,dollar_f6(A),dollar_f4(A)) ),
    file('SWB027+2.p',unknown),
    [] ).

cnf(15,axiom,
    ( icext(uri_owl_InverseFunctionalProperty,A)
    | ~ ip(A)
    | iext(A,dollar_f5(A),dollar_f4(A)) ),
    file('SWB027+2.p',unknown),
    [] ).

cnf(16,axiom,
    ( icext(uri_owl_InverseFunctionalProperty,A)
    | ~ ip(A)
    | dollar_f6(A) != dollar_f5(A) ),
    file('SWB027+2.p',unknown),
    [] ).

cnf(20,axiom,
    ( ~ iext(uri_owl_inverseOf,A,B)
    | iext(A,C,D)
    | ~ iext(B,D,C) ),
    file('SWB027+2.p',unknown),
    [] ).

cnf(23,axiom,
    ~ iext(uri_rdf_type,uri_ex_p,uri_owl_InverseFunctionalProperty),
    file('SWB027+2.p',unknown),
    [] ).

cnf(142,axiom,
    iext(uri_owl_propertyChainAxiom,uri_owl_sameAs,dollar_c3),
    file('SWB027+2.p',unknown),
    [] ).

cnf(143,axiom,
    iext(uri_rdf_first,dollar_c3,uri_ex_p),
    file('SWB027+2.p',unknown),
    [] ).

cnf(144,axiom,
    iext(uri_rdf_rest,dollar_c3,dollar_c2),
    file('SWB027+2.p',unknown),
    [] ).

cnf(145,axiom,
    iext(uri_rdf_first,dollar_c2,dollar_c1),
    file('SWB027+2.p',unknown),
    [] ).

cnf(146,axiom,
    iext(uri_rdf_rest,dollar_c2,uri_rdf_nil),
    file('SWB027+2.p',unknown),
    [] ).

cnf(147,axiom,
    iext(uri_owl_inverseOf,dollar_c1,uri_ex_p),
    file('SWB027+2.p',unknown),
    [] ).

cnf(174,plain,
    ip(uri_ex_p),
    inference(hyper,[status(thm)],[146,6,143,144,145,142]),
    [iquote('hyper,146,6,143,144,145,142')] ).

cnf(193,plain,
    ( icext(uri_owl_InverseFunctionalProperty,uri_ex_p)
    | iext(uri_ex_p,dollar_f5(uri_ex_p),dollar_f4(uri_ex_p)) ),
    inference(hyper,[status(thm)],[174,15]),
    [iquote('hyper,174,15')] ).

cnf(194,plain,
    ( icext(uri_owl_InverseFunctionalProperty,uri_ex_p)
    | iext(uri_ex_p,dollar_f6(uri_ex_p),dollar_f4(uri_ex_p)) ),
    inference(hyper,[status(thm)],[174,14]),
    [iquote('hyper,174,14')] ).

cnf(522,plain,
    iext(uri_ex_p,dollar_f5(uri_ex_p),dollar_f4(uri_ex_p)),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[193,2]),23]),
    [iquote('hyper,193,2,unit_del,23')] ).

cnf(523,plain,
    iext(dollar_c1,dollar_f4(uri_ex_p),dollar_f5(uri_ex_p)),
    inference(hyper,[status(thm)],[522,20,147]),
    [iquote('hyper,522,20,147')] ).

cnf(544,plain,
    iext(uri_ex_p,dollar_f6(uri_ex_p),dollar_f4(uri_ex_p)),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[194,2]),23]),
    [iquote('hyper,194,2,unit_del,23')] ).

cnf(565,plain,
    iext(uri_owl_sameAs,dollar_f6(uri_ex_p),dollar_f5(uri_ex_p)),
    inference(hyper,[status(thm)],[544,8,143,144,145,146,142,523]),
    [iquote('hyper,544,8,143,144,145,146,142,523')] ).

cnf(587,plain,
    dollar_f6(uri_ex_p) = dollar_f5(uri_ex_p),
    inference(hyper,[status(thm)],[565,3]),
    [iquote('hyper,565,3')] ).

cnf(589,plain,
    icext(uri_owl_InverseFunctionalProperty,uri_ex_p),
    inference(hyper,[status(thm)],[587,16,174]),
    [iquote('hyper,587,16,174')] ).

cnf(606,plain,
    iext(uri_rdf_type,uri_ex_p,uri_owl_InverseFunctionalProperty),
    inference(hyper,[status(thm)],[589,2]),
    [iquote('hyper,589,2')] ).

cnf(607,plain,
    $false,
    inference(binary,[status(thm)],[606,23]),
    [iquote('binary,606.1,23.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SWB027+2 : TPTP v8.1.0. Released v5.2.0.
% 0.07/0.13  % Command  : otter-tptp-script %s
% 0.12/0.34  % Computer : n007.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Wed Jul 27 02:15:46 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.87/2.05  ----- Otter 3.3f, August 2004 -----
% 1.87/2.05  The process was started by sandbox2 on n007.cluster.edu,
% 1.87/2.05  Wed Jul 27 02:15:46 2022
% 1.87/2.05  The command was "./otter".  The process ID is 7510.
% 1.87/2.05  
% 1.87/2.05  set(prolog_style_variables).
% 1.87/2.05  set(auto).
% 1.87/2.05     dependent: set(auto1).
% 1.87/2.05     dependent: set(process_input).
% 1.87/2.05     dependent: clear(print_kept).
% 1.87/2.05     dependent: clear(print_new_demod).
% 1.87/2.05     dependent: clear(print_back_demod).
% 1.87/2.05     dependent: clear(print_back_sub).
% 1.87/2.05     dependent: set(control_memory).
% 1.87/2.05     dependent: assign(max_mem, 12000).
% 1.87/2.05     dependent: assign(pick_given_ratio, 4).
% 1.87/2.05     dependent: assign(stats_level, 1).
% 1.87/2.05     dependent: assign(max_seconds, 10800).
% 1.87/2.05  clear(print_given).
% 1.87/2.05  
% 1.87/2.05  formula_list(usable).
% 1.87/2.05  all A (A=A).
% 1.87/2.05  all X C (iext(uri_rdf_type,X,C)<->icext(C,X)).
% 1.87/2.05  all X Y (iext(uri_owl_sameAs,X,Y)<->X=Y).
% 1.87/2.05  all P S1 P1 S2 P2 (iext(uri_rdf_first,S1,P1)&iext(uri_rdf_rest,S1,S2)&iext(uri_rdf_first,S2,P2)&iext(uri_rdf_rest,S2,uri_rdf_nil)-> (iext(uri_owl_propertyChainAxiom,P,S1)<->ip(P)&ip(P1)&ip(P2)& (all Y0 Y1 Y2 (iext(P1,Y0,Y1)&iext(P2,Y1,Y2)->iext(P,Y0,Y2))))).
% 1.87/2.05  all P (icext(uri_owl_InverseFunctionalProperty,P)<->ip(P)& (all X1 X2 Y (iext(P,X1,Y)&iext(P,X2,Y)->X1=X2))).
% 1.87/2.05  all P1 P2 (iext(uri_owl_inverseOf,P1,P2)<->ip(P1)&ip(P2)& (all X Y (iext(P1,X,Y)<->iext(P2,Y,X)))).
% 1.87/2.05  -iext(uri_rdf_type,uri_ex_p,uri_owl_InverseFunctionalProperty).
% 1.87/2.05  exists BNODE_l1 BNODE_l2 BNODE_v (iext(uri_owl_propertyChainAxiom,uri_owl_sameAs,BNODE_l1)&iext(uri_rdf_first,BNODE_l1,uri_ex_p)&iext(uri_rdf_rest,BNODE_l1,BNODE_l2)&iext(uri_rdf_first,BNODE_l2,BNODE_v)&iext(uri_rdf_rest,BNODE_l2,uri_rdf_nil)&iext(uri_owl_inverseOf,BNODE_v,uri_ex_p)).
% 1.87/2.05  end_of_list.
% 1.87/2.05  
% 1.87/2.05  -------> usable clausifies to:
% 1.87/2.05  
% 1.87/2.05  list(usable).
% 1.87/2.05  0 [] A=A.
% 1.87/2.05  0 [] -iext(uri_rdf_type,X,C)|icext(C,X).
% 1.87/2.05  0 [] iext(uri_rdf_type,X,C)| -icext(C,X).
% 1.87/2.05  0 [] -iext(uri_owl_sameAs,X,Y)|X=Y.
% 1.87/2.05  0 [] iext(uri_owl_sameAs,X,Y)|X!=Y.
% 1.87/2.05  0 [] -iext(uri_rdf_first,S1,P1)| -iext(uri_rdf_rest,S1,S2)| -iext(uri_rdf_first,S2,P2)| -iext(uri_rdf_rest,S2,uri_rdf_nil)| -iext(uri_owl_propertyChainAxiom,P,S1)|ip(P).
% 1.87/2.05  0 [] -iext(uri_rdf_first,S1,P1)| -iext(uri_rdf_rest,S1,S2)| -iext(uri_rdf_first,S2,P2)| -iext(uri_rdf_rest,S2,uri_rdf_nil)| -iext(uri_owl_propertyChainAxiom,P,S1)|ip(P1).
% 1.87/2.05  0 [] -iext(uri_rdf_first,S1,P1)| -iext(uri_rdf_rest,S1,S2)| -iext(uri_rdf_first,S2,P2)| -iext(uri_rdf_rest,S2,uri_rdf_nil)| -iext(uri_owl_propertyChainAxiom,P,S1)|ip(P2).
% 1.87/2.05  0 [] -iext(uri_rdf_first,S1,P1)| -iext(uri_rdf_rest,S1,S2)| -iext(uri_rdf_first,S2,P2)| -iext(uri_rdf_rest,S2,uri_rdf_nil)| -iext(uri_owl_propertyChainAxiom,P,S1)| -iext(P1,Y0,Y1)| -iext(P2,Y1,Y2)|iext(P,Y0,Y2).
% 1.87/2.05  0 [] -iext(uri_rdf_first,S1,P1)| -iext(uri_rdf_rest,S1,S2)| -iext(uri_rdf_first,S2,P2)| -iext(uri_rdf_rest,S2,uri_rdf_nil)|iext(uri_owl_propertyChainAxiom,P,S1)| -ip(P)| -ip(P1)| -ip(P2)|iext(P1,$f3(P,S1,P1,S2,P2),$f2(P,S1,P1,S2,P2)).
% 1.87/2.05  0 [] -iext(uri_rdf_first,S1,P1)| -iext(uri_rdf_rest,S1,S2)| -iext(uri_rdf_first,S2,P2)| -iext(uri_rdf_rest,S2,uri_rdf_nil)|iext(uri_owl_propertyChainAxiom,P,S1)| -ip(P)| -ip(P1)| -ip(P2)|iext(P2,$f2(P,S1,P1,S2,P2),$f1(P,S1,P1,S2,P2)).
% 1.87/2.05  0 [] -iext(uri_rdf_first,S1,P1)| -iext(uri_rdf_rest,S1,S2)| -iext(uri_rdf_first,S2,P2)| -iext(uri_rdf_rest,S2,uri_rdf_nil)|iext(uri_owl_propertyChainAxiom,P,S1)| -ip(P)| -ip(P1)| -ip(P2)| -iext(P,$f3(P,S1,P1,S2,P2),$f1(P,S1,P1,S2,P2)).
% 1.87/2.05  0 [] -icext(uri_owl_InverseFunctionalProperty,P)|ip(P).
% 1.87/2.05  0 [] -icext(uri_owl_InverseFunctionalProperty,P)| -iext(P,X1,Y)| -iext(P,X2,Y)|X1=X2.
% 1.87/2.05  0 [] icext(uri_owl_InverseFunctionalProperty,P)| -ip(P)|iext(P,$f6(P),$f4(P)).
% 1.87/2.05  0 [] icext(uri_owl_InverseFunctionalProperty,P)| -ip(P)|iext(P,$f5(P),$f4(P)).
% 1.87/2.05  0 [] icext(uri_owl_InverseFunctionalProperty,P)| -ip(P)|$f6(P)!=$f5(P).
% 1.87/2.05  0 [] -iext(uri_owl_inverseOf,P1,P2)|ip(P1).
% 1.87/2.05  0 [] -iext(uri_owl_inverseOf,P1,P2)|ip(P2).
% 1.87/2.05  0 [] -iext(uri_owl_inverseOf,P1,P2)| -iext(P1,X,Y)|iext(P2,Y,X).
% 1.87/2.05  0 [] -iext(uri_owl_inverseOf,P1,P2)|iext(P1,X,Y)| -iext(P2,Y,X).
% 1.87/2.05  0 [] iext(uri_owl_inverseOf,P1,P2)| -ip(P1)| -ip(P2)|iext(P1,$f8(P1,P2),$f7(P1,P2))|iext(P2,$f7(P1,P2),$f8(P1,P2)).
% 1.87/2.05  0 [] iext(uri_owl_inverseOf,P1,P2)| -ip(P1)| -ip(P2)| -iext(P1,$f8(P1,P2),$f7(P1,P2))| -iext(P2,$f7(P1,P2),$f8(P1,P2)).
% 1.87/2.05  0 [] -iext(uri_rdf_type,uri_ex_p,uri_owl_InverseFunctionalProperty).
% 1.87/2.05  0 [] iext(uri_owl_propertyChainAxiom,uri_owl_sameAs,$c3).
% 1.87/2.05  0 [] iext(uri_rdf_first,$c3,uri_ex_p).
% 1.87/2.05  0 [] iext(uri_rdf_rest,$c3,$c2).
% 1.87/2.05  0 [] iext(uri_rdf_first,$c2,$c1).
% 1.87/2.05  0 [] iext(uri_rdf_rest,$c2,uri_rdf_nil).
% 1.87/2.05  0 [] iext(uri_owl_inverseOf,$c1,uri_ex_p).
% 1.87/2.05  end_of_list.
% 1.87/2.05  
% 1.87/2.05  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=9.
% 1.87/2.05  
% 1.87/2.05  This ia a non-Horn set with equality.  The strategy will be
% 1.87/2.05  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.87/2.05  deletion, with positive clauses in sos and nonpositive
% 1.87/2.05  clauses in usable.
% 1.87/2.05  
% 1.87/2.05     dependent: set(knuth_bendix).
% 1.87/2.05     dependent: set(anl_eq).
% 1.87/2.05     dependent: set(para_from).
% 1.87/2.05     dependent: set(para_into).
% 1.87/2.05     dependent: clear(para_from_right).
% 1.87/2.05     dependent: clear(para_into_right).
% 1.87/2.05     dependent: set(para_from_vars).
% 1.87/2.05     dependent: set(eq_units_both_ways).
% 1.87/2.05     dependent: set(dynamic_demod_all).
% 1.87/2.05     dependent: set(dynamic_demod).
% 1.87/2.05     dependent: set(order_eq).
% 1.87/2.05     dependent: set(back_demod).
% 1.87/2.05     dependent: set(lrpo).
% 1.87/2.05     dependent: set(hyper_res).
% 1.87/2.05     dependent: set(unit_deletion).
% 1.87/2.05     dependent: set(factor).
% 1.87/2.05  
% 1.87/2.05  ------------> process usable:
% 1.87/2.05  ** KEPT (pick-wt=7): 1 [] -iext(uri_rdf_type,A,B)|icext(B,A).
% 1.87/2.05  ** KEPT (pick-wt=7): 2 [] iext(uri_rdf_type,A,B)| -icext(B,A).
% 1.87/2.05  ** KEPT (pick-wt=7): 3 [] -iext(uri_owl_sameAs,A,B)|A=B.
% 1.87/2.05  ** KEPT (pick-wt=7): 4 [] iext(uri_owl_sameAs,A,B)|A!=B.
% 1.87/2.05  ** KEPT (pick-wt=22): 5 [] -iext(uri_rdf_first,A,B)| -iext(uri_rdf_rest,A,C)| -iext(uri_rdf_first,C,D)| -iext(uri_rdf_rest,C,uri_rdf_nil)| -iext(uri_owl_propertyChainAxiom,E,A)|ip(E).
% 1.87/2.05  ** KEPT (pick-wt=22): 6 [] -iext(uri_rdf_first,A,B)| -iext(uri_rdf_rest,A,C)| -iext(uri_rdf_first,C,D)| -iext(uri_rdf_rest,C,uri_rdf_nil)| -iext(uri_owl_propertyChainAxiom,E,A)|ip(B).
% 1.87/2.05  ** KEPT (pick-wt=22): 7 [] -iext(uri_rdf_first,A,B)| -iext(uri_rdf_rest,A,C)| -iext(uri_rdf_first,C,D)| -iext(uri_rdf_rest,C,uri_rdf_nil)| -iext(uri_owl_propertyChainAxiom,E,A)|ip(D).
% 1.87/2.05  ** KEPT (pick-wt=32): 8 [] -iext(uri_rdf_first,A,B)| -iext(uri_rdf_rest,A,C)| -iext(uri_rdf_first,C,D)| -iext(uri_rdf_rest,C,uri_rdf_nil)| -iext(uri_owl_propertyChainAxiom,E,A)| -iext(B,F,G)| -iext(D,G,H)|iext(E,F,H).
% 1.87/2.05  ** KEPT (pick-wt=40): 9 [] -iext(uri_rdf_first,A,B)| -iext(uri_rdf_rest,A,C)| -iext(uri_rdf_first,C,D)| -iext(uri_rdf_rest,C,uri_rdf_nil)|iext(uri_owl_propertyChainAxiom,E,A)| -ip(E)| -ip(B)| -ip(D)|iext(B,$f3(E,A,B,C,D),$f2(E,A,B,C,D)).
% 1.87/2.05  ** KEPT (pick-wt=40): 10 [] -iext(uri_rdf_first,A,B)| -iext(uri_rdf_rest,A,C)| -iext(uri_rdf_first,C,D)| -iext(uri_rdf_rest,C,uri_rdf_nil)|iext(uri_owl_propertyChainAxiom,E,A)| -ip(E)| -ip(B)| -ip(D)|iext(D,$f2(E,A,B,C,D),$f1(E,A,B,C,D)).
% 1.87/2.05  ** KEPT (pick-wt=40): 11 [] -iext(uri_rdf_first,A,B)| -iext(uri_rdf_rest,A,C)| -iext(uri_rdf_first,C,D)| -iext(uri_rdf_rest,C,uri_rdf_nil)|iext(uri_owl_propertyChainAxiom,E,A)| -ip(E)| -ip(B)| -ip(D)| -iext(E,$f3(E,A,B,C,D),$f1(E,A,B,C,D)).
% 1.87/2.05  ** KEPT (pick-wt=5): 12 [] -icext(uri_owl_InverseFunctionalProperty,A)|ip(A).
% 1.87/2.05  ** KEPT (pick-wt=14): 13 [] -icext(uri_owl_InverseFunctionalProperty,A)| -iext(A,B,C)| -iext(A,D,C)|B=D.
% 1.87/2.05  ** KEPT (pick-wt=11): 14 [] icext(uri_owl_InverseFunctionalProperty,A)| -ip(A)|iext(A,$f6(A),$f4(A)).
% 1.87/2.05  ** KEPT (pick-wt=11): 15 [] icext(uri_owl_InverseFunctionalProperty,A)| -ip(A)|iext(A,$f5(A),$f4(A)).
% 1.87/2.05  ** KEPT (pick-wt=10): 16 [] icext(uri_owl_InverseFunctionalProperty,A)| -ip(A)|$f6(A)!=$f5(A).
% 1.87/2.05  ** KEPT (pick-wt=6): 17 [] -iext(uri_owl_inverseOf,A,B)|ip(A).
% 1.87/2.05  ** KEPT (pick-wt=6): 18 [] -iext(uri_owl_inverseOf,A,B)|ip(B).
% 1.87/2.05  ** KEPT (pick-wt=12): 19 [] -iext(uri_owl_inverseOf,A,B)| -iext(A,C,D)|iext(B,D,C).
% 1.87/2.05  ** KEPT (pick-wt=12): 20 [] -iext(uri_owl_inverseOf,A,B)|iext(A,C,D)| -iext(B,D,C).
% 1.87/2.05  ** KEPT (pick-wt=24): 21 [] iext(uri_owl_inverseOf,A,B)| -ip(A)| -ip(B)|iext(A,$f8(A,B),$f7(A,B))|iext(B,$f7(A,B),$f8(A,B)).
% 1.87/2.05  ** KEPT (pick-wt=24): 22 [] iext(uri_owl_inverseOf,A,B)| -ip(A)| -ip(B)| -iext(A,$f8(A,B),$f7(A,B))| -iext(B,$f7(A,B),$f8(A,B)).
% 1.87/2.05  ** KEPT (pick-wt=4): 23 [] -iext(uri_rdf_type,uri_ex_p,uri_owl_InverseFunctionalProperty).
% 1.87/2.05  
% 1.87/2.05  ------------> process sos:
% 1.87/2.05  ** KEPT (pick-wt=3): 141 [] A=A.
% 1.87/2.05  ** KEPT (pick-wt=4): 142 [] iext(uri_owl_propertyChainAxiom,uri_owl_sameAs,$c3).
% 1.87/2.05  ** KEPT (pick-wt=4): 143 [] iext(uri_rdf_first,$c3,uri_ex_p).
% 1.96/2.16  ** KEPT (pick-wt=4): 144 [] iext(uri_rdf_rest,$c3,$c2).
% 1.96/2.16  ** KEPT (pick-wt=4): 145 [] iext(uri_rdf_first,$c2,$c1).
% 1.96/2.16  ** KEPT (pick-wt=4): 146 [] iext(uri_rdf_rest,$c2,uri_rdf_nil).
% 1.96/2.16  ** KEPT (pick-wt=4): 147 [] iext(uri_owl_inverseOf,$c1,uri_ex_p).
% 1.96/2.16    Following clause subsumed by 141 during input processing: 0 [copy,141,flip.1] A=A.
% 1.96/2.16  141 back subsumes 56.
% 1.96/2.16  
% 1.96/2.16  ======= end of input processing =======
% 1.96/2.16  
% 1.96/2.16  =========== start of search ===========
% 1.96/2.16  
% 1.96/2.16  -------- PROOF -------- 
% 1.96/2.16  
% 1.96/2.16  ----> UNIT CONFLICT at   0.15 sec ----> 607 [binary,606.1,23.1] $F.
% 1.96/2.16  
% 1.96/2.16  Length of proof is 10.  Level of proof is 8.
% 1.96/2.16  
% 1.96/2.16  ---------------- PROOF ----------------
% 1.96/2.16  % SZS status Theorem
% 1.96/2.16  % SZS output start Refutation
% See solution above
% 1.96/2.16  ------------ end of proof -------------
% 1.96/2.16  
% 1.96/2.16  
% 1.96/2.16  Search stopped by max_proofs option.
% 1.96/2.16  
% 1.96/2.16  
% 1.96/2.16  Search stopped by max_proofs option.
% 1.96/2.16  
% 1.96/2.16  ============ end of search ============
% 1.96/2.16  
% 1.96/2.16  -------------- statistics -------------
% 1.96/2.16  clauses given                 52
% 1.96/2.16  clauses generated           1352
% 1.96/2.16  clauses kept                 605
% 1.96/2.16  clauses forward subsumed     798
% 1.96/2.16  clauses back subsumed          5
% 1.96/2.16  Kbytes malloced             1953
% 1.96/2.16  
% 1.96/2.16  ----------- times (seconds) -----------
% 1.96/2.16  user CPU time          0.15          (0 hr, 0 min, 0 sec)
% 1.96/2.16  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.96/2.16  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.96/2.16  
% 1.96/2.16  That finishes the proof of the theorem.
% 1.96/2.16  
% 1.96/2.16  Process 7510 finished Wed Jul 27 02:15:47 2022
% 1.96/2.16  Otter interrupted
% 1.96/2.16  PROOF FOUND
%------------------------------------------------------------------------------