TSTP Solution File: PRO014+4 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : PRO014+4 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n008.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 13:10:59 EDT 2022

% Result   : Theorem 2.98s 3.16s
% Output   : Refutation 2.98s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   26
% Syntax   : Number of clauses     :   58 (  35 unt;  11 nHn;  58 RR)
%            Number of literals    :  118 (   2 equ;  54 neg)
%            Maximal clause size   :    6 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   13 (  11 usr;   1 prp; 0-3 aty)
%            Number of functors    :   10 (  10 usr;   6 con; 0-2 aty)
%            Number of variables   :   52 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(4,axiom,
    ( ~ occurrence_of(A,B)
    | ~ subactivity_occurrence(C,A)
    | ~ leaf_occ(D,A)
    | ~ arboreal(C)
    | min_precedes(C,D,B)
    | D = C ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ leaf(A,B)
    | atomic(B)
    | occurrence_of(dollar_f4(A,B),B) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ leaf(A,B)
    | atomic(B)
    | leaf_occ(A,dollar_f4(A,B)) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(35,axiom,
    ( ~ leaf_occ(A,B)
    | subactivity_occurrence(A,B) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(42,axiom,
    ( ~ earlier(A,B)
    | ~ earlier(B,A) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(43,axiom,
    ( ~ precedes(A,B)
    | earlier(A,B) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(44,axiom,
    ( ~ precedes(A,B)
    | legal(B) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(45,axiom,
    ( precedes(A,B)
    | ~ earlier(A,B)
    | ~ legal(B) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(49,axiom,
    ( ~ min_precedes(A,B,C)
    | precedes(A,B) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(52,axiom,
    ( ~ next_subocc(A,B,C)
    | min_precedes(A,B,C) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(56,axiom,
    ( ~ min_precedes(A,B,C)
    | ~ occurrence_of(D,C)
    | ~ subactivity_occurrence(B,D)
    | subactivity_occurrence(A,D) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(59,axiom,
    ( ~ earlier(A,B)
    | ~ earlier(B,C)
    | earlier(A,C) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(60,axiom,
    ( ~ min_precedes(A,B,C)
    | ~ min_precedes(A,D,C)
    | ~ precedes(B,D)
    | min_precedes(B,D,C) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(61,axiom,
    ( ~ occurrence_of(A,tptp0)
    | ~ subactivity_occurrence(B,A)
    | ~ arboreal(B)
    | leaf_occ(B,A)
    | occurrence_of(dollar_f15(B,A),tptp3) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(62,axiom,
    ( ~ occurrence_of(A,tptp0)
    | ~ subactivity_occurrence(B,A)
    | ~ arboreal(B)
    | leaf_occ(B,A)
    | next_subocc(B,dollar_f15(B,A),tptp0) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(64,axiom,
    ( ~ occurrence_of(A,tptp0)
    | ~ subactivity_occurrence(B,A)
    | ~ arboreal(B)
    | leaf_occ(B,A)
    | next_subocc(dollar_f15(B,A),dollar_f14(B,A),tptp0) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(65,axiom,
    ( ~ occurrence_of(A,tptp0)
    | ~ subactivity_occurrence(B,A)
    | ~ arboreal(B)
    | leaf_occ(B,A)
    | occurrence_of(dollar_f13(B,A),tptp2)
    | occurrence_of(dollar_f13(B,A),tptp1) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(66,axiom,
    ( ~ occurrence_of(A,tptp0)
    | ~ subactivity_occurrence(B,A)
    | ~ arboreal(B)
    | leaf_occ(B,A)
    | next_subocc(dollar_f14(B,A),dollar_f13(B,A),tptp0) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(67,axiom,
    ( ~ occurrence_of(A,tptp0)
    | ~ subactivity_occurrence(B,A)
    | ~ arboreal(B)
    | leaf_occ(B,A)
    | leaf(dollar_f13(B,A),tptp0) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(68,axiom,
    ~ atomic(tptp0),
    file('PRO014+4.p',unknown),
    [] ).

cnf(75,axiom,
    ~ leaf_occ(dollar_c2,dollar_c1),
    file('PRO014+4.p',unknown),
    [] ).

cnf(76,axiom,
    ( ~ occurrence_of(A,tptp3)
    | ~ next_subocc(dollar_c2,A,tptp0)
    | ~ occurrence_of(B,tptp2)
    | ~ min_precedes(A,B,tptp0)
    | ~ leaf(B,tptp0) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(77,axiom,
    ( ~ occurrence_of(A,tptp3)
    | ~ next_subocc(dollar_c2,A,tptp0)
    | ~ occurrence_of(B,tptp1)
    | ~ min_precedes(A,B,tptp0)
    | ~ leaf(B,tptp0) ),
    file('PRO014+4.p',unknown),
    [] ).

cnf(80,plain,
    ~ earlier(A,A),
    inference(factor,[status(thm)],[42]),
    [iquote('factor,42.1.2')] ).

cnf(91,axiom,
    occurrence_of(dollar_c1,tptp0),
    file('PRO014+4.p',unknown),
    [] ).

cnf(92,axiom,
    subactivity_occurrence(dollar_c2,dollar_c1),
    file('PRO014+4.p',unknown),
    [] ).

cnf(93,axiom,
    arboreal(dollar_c2),
    file('PRO014+4.p',unknown),
    [] ).

cnf(152,plain,
    leaf(dollar_f13(dollar_c2,dollar_c1),tptp0),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[92,67,91,93]),75]),
    [iquote('hyper,92,67,91,93,unit_del,75')] ).

cnf(153,plain,
    next_subocc(dollar_f14(dollar_c2,dollar_c1),dollar_f13(dollar_c2,dollar_c1),tptp0),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[92,66,91,93]),75]),
    [iquote('hyper,92,66,91,93,unit_del,75')] ).

cnf(154,plain,
    ( occurrence_of(dollar_f13(dollar_c2,dollar_c1),tptp2)
    | occurrence_of(dollar_f13(dollar_c2,dollar_c1),tptp1) ),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[92,65,91,93]),75]),
    [iquote('hyper,92,65,91,93,unit_del,75')] ).

cnf(155,plain,
    next_subocc(dollar_f15(dollar_c2,dollar_c1),dollar_f14(dollar_c2,dollar_c1),tptp0),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[92,64,91,93]),75]),
    [iquote('hyper,92,64,91,93,unit_del,75')] ).

cnf(157,plain,
    next_subocc(dollar_c2,dollar_f15(dollar_c2,dollar_c1),tptp0),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[92,62,91,93]),75]),
    [iquote('hyper,92,62,91,93,unit_del,75')] ).

cnf(158,plain,
    occurrence_of(dollar_f15(dollar_c2,dollar_c1),tptp3),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[92,61,91,93]),75]),
    [iquote('hyper,92,61,91,93,unit_del,75')] ).

cnf(457,plain,
    leaf_occ(dollar_f13(dollar_c2,dollar_c1),dollar_f4(dollar_f13(dollar_c2,dollar_c1),tptp0)),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[152,14]),68]),
    [iquote('hyper,152,14,unit_del,68')] ).

cnf(458,plain,
    occurrence_of(dollar_f4(dollar_f13(dollar_c2,dollar_c1),tptp0),tptp0),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[152,13]),68]),
    [iquote('hyper,152,13,unit_del,68')] ).

cnf(786,plain,
    min_precedes(dollar_c2,dollar_f15(dollar_c2,dollar_c1),tptp0),
    inference(hyper,[status(thm)],[157,52]),
    [iquote('hyper,157,52')] ).

cnf(817,plain,
    precedes(dollar_c2,dollar_f15(dollar_c2,dollar_c1)),
    inference(hyper,[status(thm)],[786,49]),
    [iquote('hyper,786,49')] ).

cnf(855,plain,
    earlier(dollar_c2,dollar_f15(dollar_c2,dollar_c1)),
    inference(hyper,[status(thm)],[817,43]),
    [iquote('hyper,817,43')] ).

cnf(1302,plain,
    min_precedes(dollar_f14(dollar_c2,dollar_c1),dollar_f13(dollar_c2,dollar_c1),tptp0),
    inference(hyper,[status(thm)],[153,52]),
    [iquote('hyper,153,52')] ).

cnf(1362,plain,
    min_precedes(dollar_f15(dollar_c2,dollar_c1),dollar_f14(dollar_c2,dollar_c1),tptp0),
    inference(hyper,[status(thm)],[155,52]),
    [iquote('hyper,155,52')] ).

cnf(1694,plain,
    precedes(dollar_f14(dollar_c2,dollar_c1),dollar_f13(dollar_c2,dollar_c1)),
    inference(hyper,[status(thm)],[1302,49]),
    [iquote('hyper,1302,49')] ).

cnf(1697,plain,
    legal(dollar_f13(dollar_c2,dollar_c1)),
    inference(hyper,[status(thm)],[1694,44]),
    [iquote('hyper,1694,44')] ).

cnf(1698,plain,
    earlier(dollar_f14(dollar_c2,dollar_c1),dollar_f13(dollar_c2,dollar_c1)),
    inference(hyper,[status(thm)],[1694,43]),
    [iquote('hyper,1694,43')] ).

cnf(1702,plain,
    precedes(dollar_f15(dollar_c2,dollar_c1),dollar_f14(dollar_c2,dollar_c1)),
    inference(hyper,[status(thm)],[1362,49]),
    [iquote('hyper,1362,49')] ).

cnf(1706,plain,
    earlier(dollar_f15(dollar_c2,dollar_c1),dollar_f14(dollar_c2,dollar_c1)),
    inference(hyper,[status(thm)],[1702,43]),
    [iquote('hyper,1702,43')] ).

cnf(1710,plain,
    earlier(dollar_c2,dollar_f14(dollar_c2,dollar_c1)),
    inference(hyper,[status(thm)],[1706,59,855]),
    [iquote('hyper,1706,59,855')] ).

cnf(1711,plain,
    earlier(dollar_f15(dollar_c2,dollar_c1),dollar_f13(dollar_c2,dollar_c1)),
    inference(hyper,[status(thm)],[1706,59,1698]),
    [iquote('hyper,1706,59,1698')] ).

cnf(1712,plain,
    earlier(dollar_c2,dollar_f13(dollar_c2,dollar_c1)),
    inference(hyper,[status(thm)],[1710,59,1698]),
    [iquote('hyper,1710,59,1698')] ).

cnf(1731,plain,
    precedes(dollar_f15(dollar_c2,dollar_c1),dollar_f13(dollar_c2,dollar_c1)),
    inference(hyper,[status(thm)],[1711,45,1697]),
    [iquote('hyper,1711,45,1697')] ).

cnf(1734,plain,
    subactivity_occurrence(dollar_f13(dollar_c2,dollar_c1),dollar_f4(dollar_f13(dollar_c2,dollar_c1),tptp0)),
    inference(hyper,[status(thm)],[457,35]),
    [iquote('hyper,457,35')] ).

cnf(1738,plain,
    subactivity_occurrence(dollar_f14(dollar_c2,dollar_c1),dollar_f4(dollar_f13(dollar_c2,dollar_c1),tptp0)),
    inference(hyper,[status(thm)],[1734,56,1302,458]),
    [iquote('hyper,1734,56,1302,458')] ).

cnf(1753,plain,
    subactivity_occurrence(dollar_f15(dollar_c2,dollar_c1),dollar_f4(dollar_f13(dollar_c2,dollar_c1),tptp0)),
    inference(hyper,[status(thm)],[1738,56,1362,458]),
    [iquote('hyper,1738,56,1362,458')] ).

cnf(1754,plain,
    subactivity_occurrence(dollar_c2,dollar_f4(dollar_f13(dollar_c2,dollar_c1),tptp0)),
    inference(hyper,[status(thm)],[1753,56,786,458]),
    [iquote('hyper,1753,56,786,458')] ).

cnf(1755,plain,
    ( min_precedes(dollar_c2,dollar_f13(dollar_c2,dollar_c1),tptp0)
    | dollar_f13(dollar_c2,dollar_c1) = dollar_c2 ),
    inference(hyper,[status(thm)],[1754,4,458,457,93]),
    [iquote('hyper,1754,4,458,457,93')] ).

cnf(1786,plain,
    min_precedes(dollar_c2,dollar_f13(dollar_c2,dollar_c1),tptp0),
    inference(unit_del,[status(thm)],[inference(para_from,[status(thm),theory(equality)],[1755,1712]),80]),
    [iquote('para_from,1755.2.1,1712.1.2,unit_del,80')] ).

cnf(1787,plain,
    min_precedes(dollar_f15(dollar_c2,dollar_c1),dollar_f13(dollar_c2,dollar_c1),tptp0),
    inference(hyper,[status(thm)],[1786,60,786,1731]),
    [iquote('hyper,1786,60,786,1731')] ).

cnf(1793,plain,
    occurrence_of(dollar_f13(dollar_c2,dollar_c1),tptp2),
    inference(hyper,[status(thm)],[1787,77,158,157,154,152]),
    [iquote('hyper,1787,77,158,157,154,152')] ).

cnf(1797,plain,
    $false,
    inference(hyper,[status(thm)],[1793,76,158,157,1787,152]),
    [iquote('hyper,1793,76,158,157,1787,152')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem  : PRO014+4 : TPTP v8.1.0. Released v4.0.0.
% 0.04/0.13  % Command  : otter-tptp-script %s
% 0.13/0.34  % Computer : n008.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Wed Jul 27 05:00:08 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.56/2.13  ----- Otter 3.3f, August 2004 -----
% 1.56/2.13  The process was started by sandbox on n008.cluster.edu,
% 1.56/2.13  Wed Jul 27 05:00:08 2022
% 1.56/2.13  The command was "./otter".  The process ID is 25578.
% 1.56/2.13  
% 1.56/2.13  set(prolog_style_variables).
% 1.56/2.13  set(auto).
% 1.56/2.13     dependent: set(auto1).
% 1.56/2.13     dependent: set(process_input).
% 1.56/2.13     dependent: clear(print_kept).
% 1.56/2.13     dependent: clear(print_new_demod).
% 1.56/2.13     dependent: clear(print_back_demod).
% 1.56/2.13     dependent: clear(print_back_sub).
% 1.56/2.13     dependent: set(control_memory).
% 1.56/2.13     dependent: assign(max_mem, 12000).
% 1.56/2.13     dependent: assign(pick_given_ratio, 4).
% 1.56/2.13     dependent: assign(stats_level, 1).
% 1.56/2.13     dependent: assign(max_seconds, 10800).
% 1.56/2.13  clear(print_given).
% 1.56/2.13  
% 1.56/2.13  formula_list(usable).
% 1.56/2.13  all A (A=A).
% 1.56/2.13  all X0 X1 (occurrence_of(X1,X0)& -atomic(X0)-> (exists X2 (root(X2,X0)&subactivity_occurrence(X2,X1)))).
% 1.56/2.13  all X3 X4 X5 X6 X7 (occurrence_of(X4,X3)&root_occ(X6,X4)&leaf_occ(X7,X4)&subactivity_occurrence(X5,X4)&min_precedes(X6,X5,X3)&X5!=X7->min_precedes(X5,X7,X3)).
% 1.56/2.13  all X8 X9 X10 X11 (occurrence_of(X9,X8)&subactivity_occurrence(X10,X9)&leaf_occ(X11,X9)&arboreal(X10)& -min_precedes(X10,X11,X8)->X11=X10).
% 1.56/2.13  all X12 X13 (occurrence_of(X13,X12)->activity(X12)&activity_occurrence(X13)).
% 1.56/2.13  all X14 X15 X16 X17 (occurrence_of(X15,X14)&arboreal(X16)&arboreal(X17)&subactivity_occurrence(X16,X15)&subactivity_occurrence(X17,X15)->min_precedes(X16,X17,X14)|min_precedes(X17,X16,X14)|X16=X17).
% 1.56/2.13  all X18 X19 (root(X19,X18)-> (exists X20 (subactivity(X20,X18)&atocc(X19,X20)))).
% 1.56/2.13  all X21 X22 X23 (min_precedes(X22,X23,X21)-> (exists X24 (occurrence_of(X24,X21)&subactivity_occurrence(X22,X24)&subactivity_occurrence(X23,X24)))).
% 1.56/2.13  all X25 X26 (leaf(X25,X26)& -atomic(X26)-> (exists X27 (occurrence_of(X27,X26)&leaf_occ(X25,X27)))).
% 1.56/2.13  all X28 X29 X30 (occurrence_of(X28,X29)&occurrence_of(X28,X30)->X29=X30).
% 1.56/2.13  all X31 X32 X33 (occurrence_of(X31,X33)&leaf_occ(X32,X31)-> -(exists X34 min_precedes(X32,X34,X33))).
% 1.56/2.13  all X35 X36 X37 (occurrence_of(X35,X37)&root_occ(X36,X35)-> -(exists X38 min_precedes(X38,X36,X37))).
% 1.56/2.13  all X39 X40 (subactivity_occurrence(X39,X40)->activity_occurrence(X39)&activity_occurrence(X40)).
% 1.56/2.13  all X41 (activity_occurrence(X41)-> (exists X42 (activity(X42)&occurrence_of(X41,X42)))).
% 1.56/2.13  all X43 (legal(X43)->arboreal(X43)).
% 1.56/2.13  all X44 X45 (atocc(X44,X45)<-> (exists X46 (subactivity(X45,X46)&atomic(X46)&occurrence_of(X44,X46)))).
% 1.56/2.13  all X47 X48 (leaf(X47,X48)<-> (root(X47,X48)| (exists X49 min_precedes(X49,X47,X48)))& -(exists X50 min_precedes(X47,X50,X48))).
% 1.56/2.13  all X51 X52 (occurrence_of(X51,X52)-> (arboreal(X51)<->atomic(X52))).
% 1.56/2.13  all X53 X54 (root(X53,X54)->legal(X53)).
% 1.56/2.13  all X55 X56 (leaf_occ(X55,X56)<-> (exists X57 (occurrence_of(X56,X57)&subactivity_occurrence(X55,X56)&leaf(X55,X57)))).
% 1.56/2.13  all X58 X59 (root_occ(X58,X59)<-> (exists X60 (occurrence_of(X59,X60)&subactivity_occurrence(X58,X59)&root(X58,X60)))).
% 1.56/2.13  all X61 X62 (earlier(X61,X62)-> -earlier(X62,X61)).
% 1.56/2.13  all X63 X64 (precedes(X63,X64)<->earlier(X63,X64)&legal(X64)).
% 1.56/2.13  all X65 X66 X67 (min_precedes(X65,X66,X67)-> -root(X66,X67)).
% 1.56/2.13  all X68 X69 X70 (min_precedes(X68,X69,X70)-> (exists X71 (root(X71,X70)&min_precedes(X71,X69,X70)))).
% 1.56/2.13  all X72 X73 X74 (min_precedes(X72,X73,X74)->precedes(X72,X73)).
% 1.56/2.13  all X75 X76 X77 (next_subocc(X75,X76,X77)->arboreal(X75)&arboreal(X76)).
% 1.56/2.13  all X78 X79 X80 (next_subocc(X78,X79,X80)<->min_precedes(X78,X79,X80)& -(exists X81 (min_precedes(X78,X81,X80)&min_precedes(X81,X79,X80)))).
% 1.56/2.13  all X82 X83 X84 X85 (min_precedes(X82,X83,X84)&occurrence_of(X85,X84)&subactivity_occurrence(X83,X85)->subactivity_occurrence(X82,X85)).
% 1.56/2.13  all X86 X87 X88 X89 (occurrence_of(X88,X89)& -atomic(X89)&leaf_occ(X86,X88)&leaf_occ(X87,X88)->X86=X87).
% 1.56/2.13  all X90 X91 X92 X93 (occurrence_of(X92,X93)&root_occ(X90,X92)&root_occ(X91,X92)->X90=X91).
% 1.56/2.13  all X94 X95 X96 (earlier(X94,X95)&earlier(X95,X96)->earlier(X94,X96)).
% 1.56/2.13  all X97 X98 X99 X100 (min_precedes(X97,X98,X100)&min_precedes(X97,X99,X100)&precedes(X98,X99)->min_precedes(X98,X99,X100)).
% 1.56/2.13  all X101 X102 (occurrence_of(X102,tptp0)&subactivity_occurrence(X101,X102)&arboreal(X101)& -leaf_occ(X101,X102)-> (exists X103 X104 X105 (occurrence_of(X103,tptp3)&next_subocc(X101,X103,tptp0)&occurrence_of(X104,tptp4)&next_subocc(X103,X104,tptp0)& (occurrence_of(X105,tptp2)|occurrence_of(X105,tptp1))&next_subocc(X104,X105,tptp0)&leaf(X105,tptp0)))).
% 1.56/2.13  activity(tptp0).
% 1.56/2.13  -atomic(tptp0).
% 1.56/2.13  atomic(tptp4).
% 1.56/2.13  atomic(tptp2).
% 1.56/2.13  atomic(tptp1).
% 1.56/2.13  atomic(tptp3).
% 1.56/2.13  tptp4!=tptp3.
% 1.56/2.13  tptp4!=tptp2.
% 1.56/2.13  tptp4!=tptp1.
% 1.56/2.13  tptp3!=tptp2.
% 1.56/2.13  tptp3!=tptp1.
% 1.56/2.13  tptp2!=tptp1.
% 1.56/2.13  -(all X106 X107 (occurrence_of(X107,tptp0)&subactivity_occurrence(X106,X107)&arboreal(X106)& -leaf_occ(X106,X107)-> (exists X108 X109 (occurrence_of(X108,tptp3)&next_subocc(X106,X108,tptp0)& (occurrence_of(X109,tptp2)|occurrence_of(X109,tptp1))&min_precedes(X108,X109,tptp0)&leaf(X109,tptp0))))).
% 1.56/2.13  end_of_list.
% 1.56/2.13  
% 1.56/2.13  -------> usable clausifies to:
% 1.56/2.13  
% 1.56/2.13  list(usable).
% 1.56/2.13  0 [] A=A.
% 1.56/2.13  0 [] -occurrence_of(X1,X0)|atomic(X0)|root($f1(X0,X1),X0).
% 1.56/2.13  0 [] -occurrence_of(X1,X0)|atomic(X0)|subactivity_occurrence($f1(X0,X1),X1).
% 1.56/2.13  0 [] -occurrence_of(X4,X3)| -root_occ(X6,X4)| -leaf_occ(X7,X4)| -subactivity_occurrence(X5,X4)| -min_precedes(X6,X5,X3)|X5=X7|min_precedes(X5,X7,X3).
% 1.56/2.13  0 [] -occurrence_of(X9,X8)| -subactivity_occurrence(X10,X9)| -leaf_occ(X11,X9)| -arboreal(X10)|min_precedes(X10,X11,X8)|X11=X10.
% 1.56/2.13  0 [] -occurrence_of(X13,X12)|activity(X12).
% 1.56/2.13  0 [] -occurrence_of(X13,X12)|activity_occurrence(X13).
% 1.56/2.13  0 [] -occurrence_of(X15,X14)| -arboreal(X16)| -arboreal(X17)| -subactivity_occurrence(X16,X15)| -subactivity_occurrence(X17,X15)|min_precedes(X16,X17,X14)|min_precedes(X17,X16,X14)|X16=X17.
% 1.56/2.13  0 [] -root(X19,X18)|subactivity($f2(X18,X19),X18).
% 1.56/2.13  0 [] -root(X19,X18)|atocc(X19,$f2(X18,X19)).
% 1.56/2.13  0 [] -min_precedes(X22,X23,X21)|occurrence_of($f3(X21,X22,X23),X21).
% 1.56/2.13  0 [] -min_precedes(X22,X23,X21)|subactivity_occurrence(X22,$f3(X21,X22,X23)).
% 1.56/2.13  0 [] -min_precedes(X22,X23,X21)|subactivity_occurrence(X23,$f3(X21,X22,X23)).
% 1.56/2.13  0 [] -leaf(X25,X26)|atomic(X26)|occurrence_of($f4(X25,X26),X26).
% 1.56/2.13  0 [] -leaf(X25,X26)|atomic(X26)|leaf_occ(X25,$f4(X25,X26)).
% 1.56/2.13  0 [] -occurrence_of(X28,X29)| -occurrence_of(X28,X30)|X29=X30.
% 1.56/2.13  0 [] -occurrence_of(X31,X33)| -leaf_occ(X32,X31)| -min_precedes(X32,X34,X33).
% 1.56/2.13  0 [] -occurrence_of(X35,X37)| -root_occ(X36,X35)| -min_precedes(X38,X36,X37).
% 1.56/2.13  0 [] -subactivity_occurrence(X39,X40)|activity_occurrence(X39).
% 1.56/2.13  0 [] -subactivity_occurrence(X39,X40)|activity_occurrence(X40).
% 1.56/2.13  0 [] -activity_occurrence(X41)|activity($f5(X41)).
% 1.56/2.13  0 [] -activity_occurrence(X41)|occurrence_of(X41,$f5(X41)).
% 1.56/2.13  0 [] -legal(X43)|arboreal(X43).
% 1.56/2.13  0 [] -atocc(X44,X45)|subactivity(X45,$f6(X44,X45)).
% 1.56/2.13  0 [] -atocc(X44,X45)|atomic($f6(X44,X45)).
% 1.56/2.13  0 [] -atocc(X44,X45)|occurrence_of(X44,$f6(X44,X45)).
% 1.56/2.13  0 [] atocc(X44,X45)| -subactivity(X45,X46)| -atomic(X46)| -occurrence_of(X44,X46).
% 1.56/2.13  0 [] -leaf(X47,X48)|root(X47,X48)|min_precedes($f7(X47,X48),X47,X48).
% 1.56/2.13  0 [] -leaf(X47,X48)| -min_precedes(X47,X50,X48).
% 1.56/2.13  0 [] leaf(X47,X48)| -root(X47,X48)|min_precedes(X47,$f8(X47,X48),X48).
% 1.56/2.13  0 [] leaf(X47,X48)| -min_precedes(X49,X47,X48)|min_precedes(X47,$f8(X47,X48),X48).
% 1.56/2.13  0 [] -occurrence_of(X51,X52)| -arboreal(X51)|atomic(X52).
% 1.56/2.13  0 [] -occurrence_of(X51,X52)|arboreal(X51)| -atomic(X52).
% 1.56/2.13  0 [] -root(X53,X54)|legal(X53).
% 1.56/2.13  0 [] -leaf_occ(X55,X56)|occurrence_of(X56,$f9(X55,X56)).
% 1.56/2.13  0 [] -leaf_occ(X55,X56)|subactivity_occurrence(X55,X56).
% 1.56/2.13  0 [] -leaf_occ(X55,X56)|leaf(X55,$f9(X55,X56)).
% 1.56/2.13  0 [] leaf_occ(X55,X56)| -occurrence_of(X56,X57)| -subactivity_occurrence(X55,X56)| -leaf(X55,X57).
% 1.56/2.13  0 [] -root_occ(X58,X59)|occurrence_of(X59,$f10(X58,X59)).
% 1.56/2.13  0 [] -root_occ(X58,X59)|subactivity_occurrence(X58,X59).
% 1.56/2.13  0 [] -root_occ(X58,X59)|root(X58,$f10(X58,X59)).
% 1.56/2.13  0 [] root_occ(X58,X59)| -occurrence_of(X59,X60)| -subactivity_occurrence(X58,X59)| -root(X58,X60).
% 1.56/2.13  0 [] -earlier(X61,X62)| -earlier(X62,X61).
% 1.56/2.13  0 [] -precedes(X63,X64)|earlier(X63,X64).
% 1.56/2.13  0 [] -precedes(X63,X64)|legal(X64).
% 1.56/2.13  0 [] precedes(X63,X64)| -earlier(X63,X64)| -legal(X64).
% 1.56/2.13  0 [] -min_precedes(X65,X66,X67)| -root(X66,X67).
% 1.56/2.13  0 [] -min_precedes(X68,X69,X70)|root($f11(X68,X69,X70),X70).
% 1.56/2.13  0 [] -min_precedes(X68,X69,X70)|min_precedes($f11(X68,X69,X70),X69,X70).
% 1.56/2.13  0 [] -min_precedes(X72,X73,X74)|precedes(X72,X73).
% 1.56/2.13  0 [] -next_subocc(X75,X76,X77)|arboreal(X75).
% 1.56/2.13  0 [] -next_subocc(X75,X76,X77)|arboreal(X76).
% 1.56/2.13  0 [] -next_subocc(X78,X79,X80)|min_precedes(X78,X79,X80).
% 1.56/2.13  0 [] -next_subocc(X78,X79,X80)| -min_precedes(X78,X81,X80)| -min_precedes(X81,X79,X80).
% 1.56/2.13  0 [] next_subocc(X78,X79,X80)| -min_precedes(X78,X79,X80)|min_precedes(X78,$f12(X78,X79,X80),X80).
% 1.56/2.13  0 [] next_subocc(X78,X79,X80)| -min_precedes(X78,X79,X80)|min_precedes($f12(X78,X79,X80),X79,X80).
% 1.56/2.13  0 [] -min_precedes(X82,X83,X84)| -occurrence_of(X85,X84)| -subactivity_occurrence(X83,X85)|subactivity_occurrence(X82,X85).
% 1.56/2.13  0 [] -occurrence_of(X88,X89)|atomic(X89)| -leaf_occ(X86,X88)| -leaf_occ(X87,X88)|X86=X87.
% 1.56/2.13  0 [] -occurrence_of(X92,X93)| -root_occ(X90,X92)| -root_occ(X91,X92)|X90=X91.
% 1.56/2.13  0 [] -earlier(X94,X95)| -earlier(X95,X96)|earlier(X94,X96).
% 1.56/2.13  0 [] -min_precedes(X97,X98,X100)| -min_precedes(X97,X99,X100)| -precedes(X98,X99)|min_precedes(X98,X99,X100).
% 1.56/2.13  0 [] -occurrence_of(X102,tptp0)| -subactivity_occurrence(X101,X102)| -arboreal(X101)|leaf_occ(X101,X102)|occurrence_of($f15(X101,X102),tptp3).
% 1.56/2.13  0 [] -occurrence_of(X102,tptp0)| -subactivity_occurrence(X101,X102)| -arboreal(X101)|leaf_occ(X101,X102)|next_subocc(X101,$f15(X101,X102),tptp0).
% 1.56/2.13  0 [] -occurrence_of(X102,tptp0)| -subactivity_occurrence(X101,X102)| -arboreal(X101)|leaf_occ(X101,X102)|occurrence_of($f14(X101,X102),tptp4).
% 1.56/2.13  0 [] -occurrence_of(X102,tptp0)| -subactivity_occurrence(X101,X102)| -arboreal(X101)|leaf_occ(X101,X102)|next_subocc($f15(X101,X102),$f14(X101,X102),tptp0).
% 1.56/2.13  0 [] -occurrence_of(X102,tptp0)| -subactivity_occurrence(X101,X102)| -arboreal(X101)|leaf_occ(X101,X102)|occurrence_of($f13(X101,X102),tptp2)|occurrence_of($f13(X101,X102),tptp1).
% 1.56/2.13  0 [] -occurrence_of(X102,tptp0)| -subactivity_occurrence(X101,X102)| -arboreal(X101)|leaf_occ(X101,X102)|next_subocc($f14(X101,X102),$f13(X101,X102),tptp0).
% 1.56/2.13  0 [] -occurrence_of(X102,tptp0)| -subactivity_occurrence(X101,X102)| -arboreal(X101)|leaf_occ(X101,X102)|leaf($f13(X101,X102),tptp0).
% 1.56/2.13  0 [] activity(tptp0).
% 1.56/2.13  0 [] -atomic(tptp0).
% 1.56/2.13  0 [] atomic(tptp4).
% 1.56/2.13  0 [] atomic(tptp2).
% 1.56/2.13  0 [] atomic(tptp1).
% 1.56/2.13  0 [] atomic(tptp3).
% 1.56/2.13  0 [] tptp4!=tptp3.
% 1.56/2.13  0 [] tptp4!=tptp2.
% 1.56/2.13  0 [] tptp4!=tptp1.
% 1.56/2.13  0 [] tptp3!=tptp2.
% 1.56/2.13  0 [] tptp3!=tptp1.
% 1.56/2.13  0 [] tptp2!=tptp1.
% 1.56/2.13  0 [] occurrence_of($c1,tptp0).
% 1.56/2.13  0 [] subactivity_occurrence($c2,$c1).
% 1.56/2.13  0 [] arboreal($c2).
% 1.56/2.13  0 [] -leaf_occ($c2,$c1).
% 1.56/2.13  0 [] -occurrence_of(X108,tptp3)| -next_subocc($c2,X108,tptp0)| -occurrence_of(X109,tptp2)| -min_precedes(X108,X109,tptp0)| -leaf(X109,tptp0).
% 1.56/2.13  0 [] -occurrence_of(X108,tptp3)| -next_subocc($c2,X108,tptp0)| -occurrence_of(X109,tptp1)| -min_precedes(X108,X109,tptp0)| -leaf(X109,tptp0).
% 1.56/2.13  end_of_list.
% 1.56/2.13  
% 1.56/2.13  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=8.
% 1.56/2.13  
% 1.56/2.13  This ia a non-Horn set with equality.  The strategy will be
% 1.56/2.13  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.56/2.13  deletion, with positive clauses in sos and nonpositive
% 1.56/2.13  clauses in usable.
% 1.56/2.13  
% 1.56/2.13     dependent: set(knuth_bendix).
% 1.56/2.13     dependent: set(anl_eq).
% 1.56/2.13     dependent: set(para_from).
% 1.56/2.13     dependent: set(para_into).
% 1.56/2.13     dependent: clear(para_from_right).
% 1.56/2.13     dependent: clear(para_into_right).
% 1.56/2.13     dependent: set(para_from_vars).
% 1.56/2.13     dependent: set(eq_units_both_ways).
% 1.56/2.13     dependent: set(dynamic_demod_all).
% 1.56/2.13     dependent: set(dynamic_demod).
% 1.56/2.13     dependent: set(order_eq).
% 1.56/2.13     dependent: set(back_demod).
% 1.56/2.13     dependent: set(lrpo).
% 1.56/2.13     dependent: set(hyper_res).
% 1.56/2.13     dependent: set(unit_deletion).
% 1.56/2.13     dependent: set(factor).
% 1.56/2.13  
% 1.56/2.13  ------------> process usable:
% 1.56/2.13  ** KEPT (pick-wt=10): 1 [] -occurrence_of(A,B)|atomic(B)|root($f1(B,A),B).
% 1.56/2.13  ** KEPT (pick-wt=10): 2 [] -occurrence_of(A,B)|atomic(B)|subactivity_occurrence($f1(B,A),A).
% 1.56/2.13  ** KEPT (pick-wt=23): 3 [] -occurrence_of(A,B)| -root_occ(C,A)| -leaf_occ(D,A)| -subactivity_occurrence(E,A)| -min_precedes(C,E,B)|E=D|min_precedes(E,D,B).
% 1.56/2.13  ** KEPT (pick-wt=18): 4 [] -occurrence_of(A,B)| -subactivity_occurrence(C,A)| -leaf_occ(D,A)| -arboreal(C)|min_precedes(C,D,B)|D=C.
% 1.56/2.13  ** KEPT (pick-wt=5): 5 [] -occurrence_of(A,B)|activity(B).
% 1.56/2.13  ** KEPT (pick-wt=5): 6 [] -occurrence_of(A,B)|activity_occurrence(A).
% 1.56/2.13  ** KEPT (pick-wt=24): 7 [] -occurrence_of(A,B)| -arboreal(C)| -arboreal(D)| -subactivity_occurrence(C,A)| -subactivity_occurrence(D,A)|min_precedes(C,D,B)|min_precedes(D,C,B)|C=D.
% 1.56/2.13  ** KEPT (pick-wt=8): 8 [] -root(A,B)|subactivity($f2(B,A),B).
% 1.56/2.13  ** KEPT (pick-wt=8): 9 [] -root(A,B)|atocc(A,$f2(B,A)).
% 1.56/2.13  ** KEPT (pick-wt=10): 10 [] -min_precedes(A,B,C)|occurrence_of($f3(C,A,B),C).
% 1.56/2.13  ** KEPT (pick-wt=10): 11 [] -min_precedes(A,B,C)|subactivity_occurrence(A,$f3(C,A,B)).
% 1.56/2.13  ** KEPT (pick-wt=10): 12 [] -min_precedes(A,B,C)|subactivity_occurrence(B,$f3(C,A,B)).
% 1.56/2.13  ** KEPT (pick-wt=10): 13 [] -leaf(A,B)|atomic(B)|occurrence_of($f4(A,B),B).
% 1.56/2.13  ** KEPT (pick-wt=10): 14 [] -leaf(A,B)|atomic(B)|leaf_occ(A,$f4(A,B)).
% 1.56/2.13  ** KEPT (pick-wt=9): 15 [] -occurrence_of(A,B)| -occurrence_of(A,C)|B=C.
% 1.56/2.13  ** KEPT (pick-wt=10): 16 [] -occurrence_of(A,B)| -leaf_occ(C,A)| -min_precedes(C,D,B).
% 1.56/2.13  ** KEPT (pick-wt=10): 17 [] -occurrence_of(A,B)| -root_occ(C,A)| -min_precedes(D,C,B).
% 1.56/2.13  ** KEPT (pick-wt=5): 18 [] -subactivity_occurrence(A,B)|activity_occurrence(A).
% 1.56/2.13  ** KEPT (pick-wt=5): 19 [] -subactivity_occurrence(A,B)|activity_occurrence(B).
% 1.56/2.13  ** KEPT (pick-wt=5): 20 [] -activity_occurrence(A)|activity($f5(A)).
% 1.56/2.13  ** KEPT (pick-wt=6): 21 [] -activity_occurrence(A)|occurrence_of(A,$f5(A)).
% 1.56/2.13  ** KEPT (pick-wt=4): 22 [] -legal(A)|arboreal(A).
% 1.56/2.13  ** KEPT (pick-wt=8): 23 [] -atocc(A,B)|subactivity(B,$f6(A,B)).
% 1.56/2.13  ** KEPT (pick-wt=7): 24 [] -atocc(A,B)|atomic($f6(A,B)).
% 1.56/2.13  ** KEPT (pick-wt=8): 25 [] -atocc(A,B)|occurrence_of(A,$f6(A,B)).
% 1.56/2.13  ** KEPT (pick-wt=11): 26 [] atocc(A,B)| -subactivity(B,C)| -atomic(C)| -occurrence_of(A,C).
% 1.56/2.13  ** KEPT (pick-wt=12): 27 [] -leaf(A,B)|root(A,B)|min_precedes($f7(A,B),A,B).
% 1.56/2.13  ** KEPT (pick-wt=7): 28 [] -leaf(A,B)| -min_precedes(A,C,B).
% 1.56/2.13  ** KEPT (pick-wt=12): 29 [] leaf(A,B)| -root(A,B)|min_precedes(A,$f8(A,B),B).
% 1.56/2.13  ** KEPT (pick-wt=13): 30 [] leaf(A,B)| -min_precedes(C,A,B)|min_precedes(A,$f8(A,B),B).
% 1.56/2.13  ** KEPT (pick-wt=7): 31 [] -occurrence_of(A,B)| -arboreal(A)|atomic(B).
% 1.56/2.13  ** KEPT (pick-wt=7): 32 [] -occurrence_of(A,B)|arboreal(A)| -atomic(B).
% 1.56/2.13  ** KEPT (pick-wt=5): 33 [] -root(A,B)|legal(A).
% 1.56/2.13  ** KEPT (pick-wt=8): 34 [] -leaf_occ(A,B)|occurrence_of(B,$f9(A,B)).
% 1.56/2.13  ** KEPT (pick-wt=6): 35 [] -leaf_occ(A,B)|subactivity_occurrence(A,B).
% 1.56/2.13  ** KEPT (pick-wt=8): 36 [] -leaf_occ(A,B)|leaf(A,$f9(A,B)).
% 1.56/2.13  ** KEPT (pick-wt=12): 37 [] leaf_occ(A,B)| -occurrence_of(B,C)| -subactivity_occurrence(A,B)| -leaf(A,C).
% 1.56/2.13  ** KEPT (pick-wt=8): 38 [] -root_occ(A,B)|occurrence_of(B,$f10(A,B)).
% 1.56/2.13  ** KEPT (pick-wt=6): 39 [] -root_occ(A,B)|subactivity_occurrence(A,B).
% 1.56/2.13  ** KEPT (pick-wt=8): 40 [] -root_occ(A,B)|root(A,$f10(A,B)).
% 1.56/2.13  ** KEPT (pick-wt=12): 41 [] root_occ(A,B)| -occurrence_of(B,C)| -subactivity_occurrence(A,B)| -root(A,C).
% 1.56/2.13  ** KEPT (pick-wt=6): 42 [] -earlier(A,B)| -earlier(B,A).
% 1.56/2.13  ** KEPT (pick-wt=6): 43 [] -precedes(A,B)|earlier(A,B).
% 1.56/2.13  ** KEPT (pick-wt=5): 44 [] -precedes(A,B)|legal(B).
% 1.56/2.13  ** KEPT (pick-wt=8): 45 [] precedes(A,B)| -earlier(A,B)| -legal(B).
% 1.56/2.13  ** KEPT (pick-wt=7): 46 [] -min_precedes(A,B,C)| -root(B,C).
% 1.56/2.13  ** KEPT (pick-wt=10): 47 [] -min_precedes(A,B,C)|root($f11(A,B,C),C).
% 1.56/2.13  ** KEPT (pick-wt=11): 48 [] -min_precedes(A,B,C)|min_precedes($f11(A,B,C),B,C).
% 1.56/2.13  ** KEPT (pick-wt=7): 49 [] -min_precedes(A,B,C)|precedes(A,B).
% 1.56/2.13  ** KEPT (pick-wt=6): 50 [] -next_subocc(A,B,C)|arboreal(A).
% 1.56/2.13  ** KEPT (pick-wt=6): 51 [] -next_subocc(A,B,C)|arboreal(B).
% 1.56/2.13  ** KEPT (pick-wt=8): 52 [] -next_subocc(A,B,C)|min_precedes(A,B,C).
% 1.56/2.13  ** KEPT (pick-wt=12): 53 [] -next_subocc(A,B,C)| -min_precedes(A,D,C)| -min_precedes(D,B,C).
% 1.56/2.13  ** KEPT (pick-wt=15): 54 [] next_subocc(A,B,C)| -min_precedes(A,B,C)|min_precedes(A,$f12(A,B,C),C).
% 1.56/2.13  ** KEPT (pick-wt=15): 55 [] next_subocc(A,B,C)| -min_precedes(A,B,C)|min_precedes($f12(A,B,C),B,C).
% 1.56/2.13  ** KEPT (pick-wt=13): 56 [] -min_precedes(A,B,C)| -occurrence_of(D,C)| -subactivity_occurrence(B,D)|subactivity_occurrence(A,D).
% 1.56/2.13  ** KEPT (pick-wt=14): 57 [] -occurrence_of(A,B)|atomic(B)| -leaf_occ(C,A)| -leaf_occ(D,A)|C=D.
% 1.56/2.13  ** KEPT (pick-wt=12): 58 [] -occurrence_of(A,B)| -root_occ(C,A)| -root_occ(D,A)|C=D.
% 1.56/2.13  ** KEPT (pick-wt=9): 59 [] -earlier(A,B)| -earlier(B,C)|earlier(A,C).
% 1.56/2.13  ** KEPT (pick-wt=15): 60 [] -min_precedes(A,B,C)| -min_precedes(A,D,C)| -precedes(B,D)|min_precedes(B,D,C).
% 1.56/2.13  ** KEPT (pick-wt=16): 61 [] -occurrence_of(A,tptp0)| -subactivity_occurrence(B,A)| -arboreal(B)|leaf_occ(B,A)|occurrence_of($f15(B,A),tptp3).
% 1.56/2.13  ** KEPT (pick-wt=17): 62 [] -occurrence_of(A,tptp0)| -subactivity_occurrence(B,A)| -arboreal(B)|leaf_occ(B,A)|next_subocc(B,$f15(B,A),tptp0).
% 2.98/3.16  ** KEPT (pick-wt=16): 63 [] -occurrence_of(A,tptp0)| -subactivity_occurrence(B,A)| -arboreal(B)|leaf_occ(B,A)|occurrence_of($f14(B,A),tptp4).
% 2.98/3.16  ** KEPT (pick-wt=19): 64 [] -occurrence_of(A,tptp0)| -subactivity_occurrence(B,A)| -arboreal(B)|leaf_occ(B,A)|next_subocc($f15(B,A),$f14(B,A),tptp0).
% 2.98/3.16  ** KEPT (pick-wt=21): 65 [] -occurrence_of(A,tptp0)| -subactivity_occurrence(B,A)| -arboreal(B)|leaf_occ(B,A)|occurrence_of($f13(B,A),tptp2)|occurrence_of($f13(B,A),tptp1).
% 2.98/3.16  ** KEPT (pick-wt=19): 66 [] -occurrence_of(A,tptp0)| -subactivity_occurrence(B,A)| -arboreal(B)|leaf_occ(B,A)|next_subocc($f14(B,A),$f13(B,A),tptp0).
% 2.98/3.16  ** KEPT (pick-wt=16): 67 [] -occurrence_of(A,tptp0)| -subactivity_occurrence(B,A)| -arboreal(B)|leaf_occ(B,A)|leaf($f13(B,A),tptp0).
% 2.98/3.16  ** KEPT (pick-wt=2): 68 [] -atomic(tptp0).
% 2.98/3.16  ** KEPT (pick-wt=3): 69 [] tptp4!=tptp3.
% 2.98/3.16  ** KEPT (pick-wt=3): 70 [] tptp4!=tptp2.
% 2.98/3.16  ** KEPT (pick-wt=3): 71 [] tptp4!=tptp1.
% 2.98/3.16  ** KEPT (pick-wt=3): 72 [] tptp3!=tptp2.
% 2.98/3.16  ** KEPT (pick-wt=3): 73 [] tptp3!=tptp1.
% 2.98/3.16  ** KEPT (pick-wt=3): 74 [] tptp2!=tptp1.
% 2.98/3.16  ** KEPT (pick-wt=3): 75 [] -leaf_occ($c2,$c1).
% 2.98/3.16  ** KEPT (pick-wt=17): 76 [] -occurrence_of(A,tptp3)| -next_subocc($c2,A,tptp0)| -occurrence_of(B,tptp2)| -min_precedes(A,B,tptp0)| -leaf(B,tptp0).
% 2.98/3.16  ** KEPT (pick-wt=17): 77 [] -occurrence_of(A,tptp3)| -next_subocc($c2,A,tptp0)| -occurrence_of(B,tptp1)| -min_precedes(A,B,tptp0)| -leaf(B,tptp0).
% 2.98/3.16  
% 2.98/3.16  ------------> process sos:
% 2.98/3.16  ** KEPT (pick-wt=3): 85 [] A=A.
% 2.98/3.16  ** KEPT (pick-wt=2): 86 [] activity(tptp0).
% 2.98/3.16  ** KEPT (pick-wt=2): 87 [] atomic(tptp4).
% 2.98/3.16  ** KEPT (pick-wt=2): 88 [] atomic(tptp2).
% 2.98/3.16  ** KEPT (pick-wt=2): 89 [] atomic(tptp1).
% 2.98/3.16  ** KEPT (pick-wt=2): 90 [] atomic(tptp3).
% 2.98/3.16  ** KEPT (pick-wt=3): 91 [] occurrence_of($c1,tptp0).
% 2.98/3.16  ** KEPT (pick-wt=3): 92 [] subactivity_occurrence($c2,$c1).
% 2.98/3.16  ** KEPT (pick-wt=2): 93 [] arboreal($c2).
% 2.98/3.16    Following clause subsumed by 85 during input processing: 0 [copy,85,flip.1] A=A.
% 2.98/3.16  85 back subsumes 83.
% 2.98/3.16  85 back subsumes 82.
% 2.98/3.16  85 back subsumes 79.
% 2.98/3.16  85 back subsumes 78.
% 2.98/3.16  
% 2.98/3.16  ======= end of input processing =======
% 2.98/3.16  
% 2.98/3.16  =========== start of search ===========
% 2.98/3.16  
% 2.98/3.16  
% 2.98/3.16  Resetting weight limit to 11.
% 2.98/3.16  
% 2.98/3.16  
% 2.98/3.16  Resetting weight limit to 11.
% 2.98/3.16  
% 2.98/3.16  sos_size=1492
% 2.98/3.16  
% 2.98/3.16  -------- PROOF -------- 
% 2.98/3.16  
% 2.98/3.16  -----> EMPTY CLAUSE at   1.04 sec ----> 1797 [hyper,1793,76,158,157,1787,152] $F.
% 2.98/3.16  
% 2.98/3.16  Length of proof is 31.  Level of proof is 10.
% 2.98/3.16  
% 2.98/3.16  ---------------- PROOF ----------------
% 2.98/3.16  % SZS status Theorem
% 2.98/3.16  % SZS output start Refutation
% See solution above
% 2.98/3.16  ------------ end of proof -------------
% 2.98/3.16  
% 2.98/3.16  
% 2.98/3.16  Search stopped by max_proofs option.
% 2.98/3.16  
% 2.98/3.16  
% 2.98/3.16  Search stopped by max_proofs option.
% 2.98/3.16  
% 2.98/3.16  ============ end of search ============
% 2.98/3.16  
% 2.98/3.16  -------------- statistics -------------
% 2.98/3.16  clauses given                313
% 2.98/3.16  clauses generated          10907
% 2.98/3.16  clauses kept                1792
% 2.98/3.16  clauses forward subsumed    3061
% 2.98/3.16  clauses back subsumed         29
% 2.98/3.16  Kbytes malloced             5859
% 2.98/3.16  
% 2.98/3.16  ----------- times (seconds) -----------
% 2.98/3.16  user CPU time          1.04          (0 hr, 0 min, 1 sec)
% 2.98/3.16  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.98/3.16  wall-clock time        3             (0 hr, 0 min, 3 sec)
% 2.98/3.16  
% 2.98/3.16  That finishes the proof of the theorem.
% 2.98/3.16  
% 2.98/3.16  Process 25578 finished Wed Jul 27 05:00:11 2022
% 2.98/3.16  Otter interrupted
% 2.98/3.16  PROOF FOUND
%------------------------------------------------------------------------------