TSTP Solution File: ANA019-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : ANA019-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n014.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 12:46:44 EDT 2022

% Result   : Unsatisfiable 15.31s 15.50s
% Output   : Refutation 15.31s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   15
% Syntax   : Number of clauses     :   30 (  16 unt;   1 nHn;  25 RR)
%            Number of literals    :   48 (   7 equ;  18 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    9 (   7 usr;   1 prp; 0-3 aty)
%            Number of functors    :   12 (  12 usr;   5 con; 0-3 aty)
%            Number of variables   :   22 (   3 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ c_lesse_quals(c_HOL_Oabs(v_f(v_xa(A)),t_a),c_times(A,c_HOL_Oabs(v_h(v_xa(A)),t_a),t_a),t_a)
    | ~ c_less(c_0,A,t_a) ),
    file('ANA019-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ c_less(c_0,A,tc_nat)
    | A = c_Suc(c_minus(A,c_1,tc_nat)) ),
    file('ANA019-2.p',unknown),
    [] ).

cnf(3,plain,
    ( ~ c_less(c_0,A,tc_nat)
    | c_Suc(c_minus(A,c_1,tc_nat)) = A ),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[2])]),
    [iquote('copy,2,flip.2')] ).

cnf(4,axiom,
    ( ~ class_OrderedGroup_Olordered__ab__group__abs(A)
    | c_HOL_Oabs(c_0,A) = c_0 ),
    file('ANA019-2.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ class_OrderedGroup_Olordered__ab__group__abs(A)
    | c_lesse_quals(c_0,c_HOL_Oabs(B,A),A) ),
    file('ANA019-2.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ class_Orderings_Oorder(A)
    | ~ c_less(B,C,A)
    | c_lesse_quals(B,C,A) ),
    file('ANA019-2.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ class_Ring__and__Field_Opordered__cancel__semiring(A)
    | ~ c_lesse_quals(c_0,B,A)
    | ~ c_lesse_quals(c_0,C,A)
    | c_lesse_quals(c_0,c_times(C,B,A),A) ),
    file('ANA019-2.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ class_LOrder_Ojoin__semilorder(A)
    | class_Orderings_Oorder(A) ),
    file('ANA019-2.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ class_Ring__and__Field_Oordered__idom(A)
    | class_LOrder_Ojoin__semilorder(A) ),
    file('ANA019-2.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ class_Ring__and__Field_Oordered__idom(A)
    | class_Ring__and__Field_Opordered__cancel__semiring(A) ),
    file('ANA019-2.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ class_Ring__and__Field_Oordered__idom(A)
    | class_OrderedGroup_Olordered__ab__group__abs(A) ),
    file('ANA019-2.p',unknown),
    [] ).

cnf(15,axiom,
    v_f(c_0) = c_0,
    file('ANA019-2.p',unknown),
    [] ).

cnf(16,axiom,
    c_less(c_0,v_x,t_a),
    file('ANA019-2.p',unknown),
    [] ).

cnf(17,axiom,
    c_lesse_quals(c_HOL_Oabs(v_f(c_Suc(A)),t_a),c_times(v_x,c_HOL_Oabs(v_h(c_Suc(A)),t_a),t_a),t_a),
    file('ANA019-2.p',unknown),
    [] ).

cnf(18,axiom,
    class_Ring__and__Field_Oordered__idom(t_a),
    file('ANA019-2.p',unknown),
    [] ).

cnf(19,axiom,
    ( c_less(c_0,A,tc_nat)
    | A = c_0 ),
    file('ANA019-2.p',unknown),
    [] ).

cnf(20,plain,
    class_OrderedGroup_Olordered__ab__group__abs(t_a),
    inference(hyper,[status(thm)],[18,11]),
    [iquote('hyper,18,11')] ).

cnf(21,plain,
    class_Ring__and__Field_Opordered__cancel__semiring(t_a),
    inference(hyper,[status(thm)],[18,10]),
    [iquote('hyper,18,10')] ).

cnf(22,plain,
    class_LOrder_Ojoin__semilorder(t_a),
    inference(hyper,[status(thm)],[18,9]),
    [iquote('hyper,18,9')] ).

cnf(23,plain,
    c_lesse_quals(c_0,c_HOL_Oabs(A,t_a),t_a),
    inference(hyper,[status(thm)],[20,5]),
    [iquote('hyper,20,5')] ).

cnf(25,plain,
    c_HOL_Oabs(c_0,t_a) = c_0,
    inference(hyper,[status(thm)],[20,4]),
    [iquote('hyper,20,4')] ).

cnf(26,plain,
    class_Orderings_Oorder(t_a),
    inference(hyper,[status(thm)],[22,8]),
    [iquote('hyper,22,8')] ).

cnf(27,plain,
    c_lesse_quals(c_0,v_x,t_a),
    inference(hyper,[status(thm)],[16,6,26]),
    [iquote('hyper,16,6,26')] ).

cnf(31,plain,
    ( c_lesse_quals(c_HOL_Oabs(v_f(c_Suc(c_minus(A,c_1,tc_nat))),t_a),c_times(v_x,c_HOL_Oabs(v_h(A),t_a),t_a),t_a)
    | ~ c_less(c_0,A,tc_nat) ),
    inference(para_into,[status(thm),theory(equality)],[17,3]),
    [iquote('para_into,17.1.2.2.1.1,3.2.1')] ).

cnf(40,plain,
    c_lesse_quals(c_0,c_times(v_x,c_HOL_Oabs(A,t_a),t_a),t_a),
    inference(hyper,[status(thm)],[23,7,21,27]),
    [iquote('hyper,23,7,21,27')] ).

cnf(82,plain,
    ( ~ c_lesse_quals(c_0,c_times(A,c_HOL_Oabs(v_h(v_xa(A)),t_a),t_a),t_a)
    | ~ c_less(c_0,A,t_a)
    | c_less(c_0,v_xa(A),tc_nat) ),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[19,1]),15,25]),
    [iquote('para_from,19.2.1,1.1.1.1.1,demod,15,25')] ).

cnf(4649,plain,
    c_less(c_0,v_xa(v_x),tc_nat),
    inference(hyper,[status(thm)],[82,40,16]),
    [iquote('hyper,82,40,16')] ).

cnf(4656,plain,
    c_Suc(c_minus(v_xa(v_x),c_1,tc_nat)) = v_xa(v_x),
    inference(hyper,[status(thm)],[4649,3]),
    [iquote('hyper,4649,3')] ).

cnf(4664,plain,
    c_lesse_quals(c_HOL_Oabs(v_f(v_xa(v_x)),t_a),c_times(v_x,c_HOL_Oabs(v_h(v_xa(v_x)),t_a),t_a),t_a),
    inference(unit_del,[status(thm)],[inference(para_from,[status(thm),theory(equality)],[4656,31]),4649]),
    [iquote('para_from,4656.1.1,31.1.1.1.1,unit_del,4649')] ).

cnf(4732,plain,
    $false,
    inference(hyper,[status(thm)],[4664,1,16]),
    [iquote('hyper,4664,1,16')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : ANA019-2 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.13  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n014.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 10:01:09 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.61/1.83  ----- Otter 3.3f, August 2004 -----
% 1.61/1.83  The process was started by sandbox2 on n014.cluster.edu,
% 1.61/1.83  Wed Jul 27 10:01:09 2022
% 1.61/1.83  The command was "./otter".  The process ID is 15196.
% 1.61/1.83  
% 1.61/1.83  set(prolog_style_variables).
% 1.61/1.83  set(auto).
% 1.61/1.83     dependent: set(auto1).
% 1.61/1.83     dependent: set(process_input).
% 1.61/1.83     dependent: clear(print_kept).
% 1.61/1.83     dependent: clear(print_new_demod).
% 1.61/1.83     dependent: clear(print_back_demod).
% 1.61/1.83     dependent: clear(print_back_sub).
% 1.61/1.83     dependent: set(control_memory).
% 1.61/1.83     dependent: assign(max_mem, 12000).
% 1.61/1.83     dependent: assign(pick_given_ratio, 4).
% 1.61/1.83     dependent: assign(stats_level, 1).
% 1.61/1.83     dependent: assign(max_seconds, 10800).
% 1.61/1.83  clear(print_given).
% 1.61/1.83  
% 1.61/1.83  list(usable).
% 1.61/1.83  0 [] A=A.
% 1.61/1.83  0 [] v_f(c_0)=c_0.
% 1.61/1.83  0 [] c_less(c_0,v_x,t_a).
% 1.61/1.83  0 [] c_lesse_quals(c_HOL_Oabs(v_f(c_Suc(V_U)),t_a),c_times(v_x,c_HOL_Oabs(v_h(c_Suc(V_U)),t_a),t_a),t_a).
% 1.61/1.83  0 [] -c_lesse_quals(c_HOL_Oabs(v_f(v_xa(V_U)),t_a),c_times(V_U,c_HOL_Oabs(v_h(v_xa(V_U)),t_a),t_a),t_a)| -c_less(c_0,V_U,t_a).
% 1.61/1.83  0 [] class_Ring__and__Field_Oordered__idom(t_a).
% 1.61/1.83  0 [] -c_less(c_0,V_x,tc_nat)|V_x=c_Suc(c_minus(V_x,c_1,tc_nat)).
% 1.61/1.83  0 [] c_less(c_0,V_n,tc_nat)|V_n=c_0.
% 1.61/1.83  0 [] -class_OrderedGroup_Olordered__ab__group__abs(T_a)|c_HOL_Oabs(c_0,T_a)=c_0.
% 1.61/1.83  0 [] -class_OrderedGroup_Olordered__ab__group__abs(T_a)|c_lesse_quals(c_0,c_HOL_Oabs(V_a,T_a),T_a).
% 1.61/1.83  0 [] -class_Orderings_Oorder(T_a)| -c_less(V_x,V_y,T_a)|c_lesse_quals(V_x,V_y,T_a).
% 1.61/1.83  0 [] -class_Ring__and__Field_Opordered__cancel__semiring(T_a)| -c_lesse_quals(c_0,V_b,T_a)| -c_lesse_quals(c_0,V_a,T_a)|c_lesse_quals(c_0,c_times(V_a,V_b,T_a),T_a).
% 1.61/1.83  0 [] -class_LOrder_Ojoin__semilorder(T)|class_Orderings_Oorder(T).
% 1.61/1.83  0 [] -class_Ring__and__Field_Oordered__idom(T)|class_LOrder_Ojoin__semilorder(T).
% 1.61/1.83  0 [] -class_Ring__and__Field_Oordered__idom(T)|class_Ring__and__Field_Opordered__cancel__semiring(T).
% 1.61/1.83  0 [] -class_Ring__and__Field_Oordered__idom(T)|class_OrderedGroup_Olordered__ab__group__abs(T).
% 1.61/1.83  end_of_list.
% 1.61/1.83  
% 1.61/1.83  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=4.
% 1.61/1.83  
% 1.61/1.83  This ia a non-Horn set with equality.  The strategy will be
% 1.61/1.83  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.61/1.83  deletion, with positive clauses in sos and nonpositive
% 1.61/1.83  clauses in usable.
% 1.61/1.83  
% 1.61/1.83     dependent: set(knuth_bendix).
% 1.61/1.83     dependent: set(anl_eq).
% 1.61/1.83     dependent: set(para_from).
% 1.61/1.83     dependent: set(para_into).
% 1.61/1.83     dependent: clear(para_from_right).
% 1.61/1.83     dependent: clear(para_into_right).
% 1.61/1.83     dependent: set(para_from_vars).
% 1.61/1.83     dependent: set(eq_units_both_ways).
% 1.61/1.83     dependent: set(dynamic_demod_all).
% 1.61/1.83     dependent: set(dynamic_demod).
% 1.61/1.83     dependent: set(order_eq).
% 1.61/1.83     dependent: set(back_demod).
% 1.61/1.83     dependent: set(lrpo).
% 1.61/1.83     dependent: set(hyper_res).
% 1.61/1.83     dependent: set(unit_deletion).
% 1.61/1.83     dependent: set(factor).
% 1.61/1.83  
% 1.61/1.83  ------------> process usable:
% 1.61/1.83  ** KEPT (pick-wt=19): 1 [] -c_lesse_quals(c_HOL_Oabs(v_f(v_xa(A)),t_a),c_times(A,c_HOL_Oabs(v_h(v_xa(A)),t_a),t_a),t_a)| -c_less(c_0,A,t_a).
% 1.61/1.83  ** KEPT (pick-wt=11): 3 [copy,2,flip.2] -c_less(c_0,A,tc_nat)|c_Suc(c_minus(A,c_1,tc_nat))=A.
% 1.61/1.83  ** KEPT (pick-wt=7): 4 [] -class_OrderedGroup_Olordered__ab__group__abs(A)|c_HOL_Oabs(c_0,A)=c_0.
% 1.61/1.83  ** KEPT (pick-wt=8): 5 [] -class_OrderedGroup_Olordered__ab__group__abs(A)|c_lesse_quals(c_0,c_HOL_Oabs(B,A),A).
% 1.61/1.83  ** KEPT (pick-wt=10): 6 [] -class_Orderings_Oorder(A)| -c_less(B,C,A)|c_lesse_quals(B,C,A).
% 1.61/1.83  ** KEPT (pick-wt=17): 7 [] -class_Ring__and__Field_Opordered__cancel__semiring(A)| -c_lesse_quals(c_0,B,A)| -c_lesse_quals(c_0,C,A)|c_lesse_quals(c_0,c_times(C,B,A),A).
% 1.61/1.83  ** KEPT (pick-wt=4): 8 [] -class_LOrder_Ojoin__semilorder(A)|class_Orderings_Oorder(A).
% 1.61/1.83  ** KEPT (pick-wt=4): 9 [] -class_Ring__and__Field_Oordered__idom(A)|class_LOrder_Ojoin__semilorder(A).
% 1.61/1.83  ** KEPT (pick-wt=4): 10 [] -class_Ring__and__Field_Oordered__idom(A)|class_Ring__and__Field_Opordered__cancel__semiring(A).
% 1.61/1.83  ** KEPT (pick-wt=4): 11 [] -class_Ring__and__Field_Oordered__idom(A)|class_OrderedGroup_Olordered__ab__group__abs(A).
% 1.61/1.83  
% 1.61/1.83  ------------> process sos:
% 1.61/1.83  ** KEPT (pick-wt=3): 13 [] A=A.
% 1.61/1.83  ** KEPT (pick-wt=4): 14 [] v_f(c_0)=c_0.
% 1.61/1.83  ---> New Demodulator: 15 [new_demod,14] v_f(c_0)=c_0.
% 1.61/1.83  ** KEPT (pick-wt=4): 16 [] c_less(c_0,v_x,t_a).
% 1.61/1.83  ** KEPT (pick-wt=15): 17 [] c_lesse_quals(c_HOL_Oabs(v_f(c_Suc(A)),t_a),c_times(v_x,c_HOL_Oabs(v_h(c_Suc(A)),t_a),t_a),t_a).
% 15.31/15.50  ** KEPT (pick-wt=2): 18 [] class_Ring__and__Field_Oordered__idom(t_a).
% 15.31/15.50  ** KEPT (pick-wt=7): 19 [] c_less(c_0,A,tc_nat)|A=c_0.
% 15.31/15.50    Following clause subsumed by 13 during input processing: 0 [copy,13,flip.1] A=A.
% 15.31/15.50  >>>> Starting back demodulation with 15.
% 15.31/15.50  
% 15.31/15.50  ======= end of input processing =======
% 15.31/15.50  
% 15.31/15.50  =========== start of search ===========
% 15.31/15.50  
% 15.31/15.50  
% 15.31/15.50  Resetting weight limit to 15.
% 15.31/15.50  
% 15.31/15.50  
% 15.31/15.50  Resetting weight limit to 15.
% 15.31/15.50  
% 15.31/15.50  sos_size=4272
% 15.31/15.50  
% 15.31/15.50  -- HEY sandbox2, WE HAVE A PROOF!! -- 
% 15.31/15.50  
% 15.31/15.50  -----> EMPTY CLAUSE at  13.67 sec ----> 4732 [hyper,4664,1,16] $F.
% 15.31/15.50  
% 15.31/15.50  Length of proof is 14.  Level of proof is 7.
% 15.31/15.50  
% 15.31/15.50  ---------------- PROOF ----------------
% 15.31/15.50  % SZS status Unsatisfiable
% 15.31/15.50  % SZS output start Refutation
% See solution above
% 15.31/15.50  ------------ end of proof -------------
% 15.31/15.50  
% 15.31/15.50  
% 15.31/15.50  Search stopped by max_proofs option.
% 15.31/15.50  
% 15.31/15.50  
% 15.31/15.50  Search stopped by max_proofs option.
% 15.31/15.50  
% 15.31/15.50  ============ end of search ============
% 15.31/15.50  
% 15.31/15.50  -------------- statistics -------------
% 15.31/15.50  clauses given                705
% 15.31/15.50  clauses generated         454230
% 15.31/15.50  clauses kept                4725
% 15.31/15.50  clauses forward subsumed    6681
% 15.31/15.50  clauses back subsumed        216
% 15.31/15.50  Kbytes malloced             4882
% 15.31/15.50  
% 15.31/15.50  ----------- times (seconds) -----------
% 15.31/15.50  user CPU time         13.67          (0 hr, 0 min, 13 sec)
% 15.31/15.50  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 15.31/15.50  wall-clock time       15             (0 hr, 0 min, 15 sec)
% 15.31/15.50  
% 15.31/15.50  That finishes the proof of the theorem.
% 15.31/15.50  
% 15.31/15.50  Process 15196 finished Wed Jul 27 10:01:24 2022
% 15.31/15.50  Otter interrupted
% 15.31/15.50  PROOF FOUND
%------------------------------------------------------------------------------