TSTP Solution File: MGT048-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : MGT048-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n018.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 13:06:11 EDT 2022

% Result   : Unsatisfiable 1.70s 1.91s
% Output   : Refutation 1.70s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   12 (   8 unt;   0 nHn;   9 RR)
%            Number of literals    :   19 (   3 equ;   8 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-2 aty)
%            Number of variables   :   15 (   6 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(3,axiom,
    ( A != B
    | smaller_or_e_qual(A,B) ),
    file('MGT048-1.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ organization(A)
    | ~ smaller_or_e_qual(stock_of_knowledge(A,B),stock_of_knowledge(A,C))
    | ~ greater(internal_friction(A,B),internal_friction(A,C))
    | smaller(capability(A,B),capability(A,C)) ),
    file('MGT048-1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ organization(A)
    | stock_of_knowledge(A,B) = stock_of_knowledge(A,C) ),
    file('MGT048-1.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ organization(A)
    | ~ greater(age(A,B),age(A,C))
    | greater(internal_friction(A,B),internal_friction(A,C)) ),
    file('MGT048-1.p',unknown),
    [] ).

cnf(16,axiom,
    ~ smaller(capability(sk1,sk3),capability(sk1,sk2)),
    file('MGT048-1.p',unknown),
    [] ).

cnf(20,axiom,
    organization(sk1),
    file('MGT048-1.p',unknown),
    [] ).

cnf(21,axiom,
    greater(age(sk1,sk3),age(sk1,sk2)),
    file('MGT048-1.p',unknown),
    [] ).

cnf(24,plain,
    stock_of_knowledge(sk1,A) = stock_of_knowledge(sk1,B),
    inference(hyper,[status(thm)],[20,14]),
    [iquote('hyper,20,14')] ).

cnf(27,plain,
    greater(internal_friction(sk1,sk3),internal_friction(sk1,sk2)),
    inference(hyper,[status(thm)],[21,15,20]),
    [iquote('hyper,21,15,20')] ).

cnf(79,plain,
    smaller_or_e_qual(stock_of_knowledge(sk1,A),stock_of_knowledge(sk1,B)),
    inference(hyper,[status(thm)],[24,3]),
    [iquote('hyper,24,3')] ).

cnf(165,plain,
    smaller(capability(sk1,sk3),capability(sk1,sk2)),
    inference(hyper,[status(thm)],[79,12,20,27]),
    [iquote('hyper,79,12,20,27')] ).

cnf(166,plain,
    $false,
    inference(binary,[status(thm)],[165,16]),
    [iquote('binary,165.1,16.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : MGT048-1 : TPTP v8.1.0. Released v2.4.0.
% 0.06/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n018.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 04:05:31 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.70/1.91  ----- Otter 3.3f, August 2004 -----
% 1.70/1.91  The process was started by sandbox on n018.cluster.edu,
% 1.70/1.91  Wed Jul 27 04:05:31 2022
% 1.70/1.91  The command was "./otter".  The process ID is 19424.
% 1.70/1.91  
% 1.70/1.91  set(prolog_style_variables).
% 1.70/1.91  set(auto).
% 1.70/1.91     dependent: set(auto1).
% 1.70/1.91     dependent: set(process_input).
% 1.70/1.91     dependent: clear(print_kept).
% 1.70/1.91     dependent: clear(print_new_demod).
% 1.70/1.91     dependent: clear(print_back_demod).
% 1.70/1.91     dependent: clear(print_back_sub).
% 1.70/1.91     dependent: set(control_memory).
% 1.70/1.91     dependent: assign(max_mem, 12000).
% 1.70/1.91     dependent: assign(pick_given_ratio, 4).
% 1.70/1.91     dependent: assign(stats_level, 1).
% 1.70/1.91     dependent: assign(max_seconds, 10800).
% 1.70/1.91  clear(print_given).
% 1.70/1.91  
% 1.70/1.91  list(usable).
% 1.70/1.91  0 [] A=A.
% 1.70/1.91  0 [] -smaller_or_e_qual(A,B)|smaller(A,B)|A=B.
% 1.70/1.91  0 [] -smaller(A,B)|smaller_or_e_qual(A,B).
% 1.70/1.91  0 [] A!=B|smaller_or_e_qual(A,B).
% 1.70/1.91  0 [] -greater_or_e_qual(A,B)|greater(A,B)|A=B.
% 1.70/1.91  0 [] -greater(A,B)|greater_or_e_qual(A,B).
% 1.70/1.91  0 [] A!=B|greater_or_e_qual(A,B).
% 1.70/1.91  0 [] -smaller(A,B)|greater(B,A).
% 1.70/1.91  0 [] -greater(A,B)|smaller(B,A).
% 1.70/1.91  0 [] -greater(A,B)| -greater(B,A).
% 1.70/1.91  0 [] -greater(A,B)| -greater(B,C)|greater(A,C).
% 1.70/1.91  0 [] smaller(A,B)|A=B|greater(A,B).
% 1.70/1.91  0 [] -organization(A)| -greater(stock_of_knowledge(A,B),stock_of_knowledge(A,C))| -smaller_or_e_qual(internal_friction(A,B),internal_friction(A,C))|greater(capability(A,B),capability(A,C)).
% 1.70/1.91  0 [] -organization(A)| -smaller_or_e_qual(stock_of_knowledge(A,B),stock_of_knowledge(A,C))| -greater(internal_friction(A,B),internal_friction(A,C))|smaller(capability(A,B),capability(A,C)).
% 1.70/1.91  0 [] -organization(A)|stock_of_knowledge(A,B)!=stock_of_knowledge(A,C)|internal_friction(A,B)!=internal_friction(A,C)|capability(A,B)=capability(A,C).
% 1.70/1.91  0 [] -organization(A)|stock_of_knowledge(A,B)=stock_of_knowledge(A,C).
% 1.70/1.91  0 [] -organization(A)| -greater(age(A,B),age(A,C))|greater(internal_friction(A,B),internal_friction(A,C)).
% 1.70/1.91  0 [] organization(sk1).
% 1.70/1.91  0 [] greater(age(sk1,sk3),age(sk1,sk2)).
% 1.70/1.91  0 [] -smaller(capability(sk1,sk3),capability(sk1,sk2)).
% 1.70/1.91  end_of_list.
% 1.70/1.91  
% 1.70/1.91  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=4.
% 1.70/1.91  
% 1.70/1.91  This ia a non-Horn set with equality.  The strategy will be
% 1.70/1.91  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.70/1.91  deletion, with positive clauses in sos and nonpositive
% 1.70/1.91  clauses in usable.
% 1.70/1.91  
% 1.70/1.91     dependent: set(knuth_bendix).
% 1.70/1.91     dependent: set(anl_eq).
% 1.70/1.91     dependent: set(para_from).
% 1.70/1.91     dependent: set(para_into).
% 1.70/1.91     dependent: clear(para_from_right).
% 1.70/1.91     dependent: clear(para_into_right).
% 1.70/1.91     dependent: set(para_from_vars).
% 1.70/1.91     dependent: set(eq_units_both_ways).
% 1.70/1.91     dependent: set(dynamic_demod_all).
% 1.70/1.91     dependent: set(dynamic_demod).
% 1.70/1.91     dependent: set(order_eq).
% 1.70/1.91     dependent: set(back_demod).
% 1.70/1.91     dependent: set(lrpo).
% 1.70/1.91     dependent: set(hyper_res).
% 1.70/1.91     dependent: set(unit_deletion).
% 1.70/1.91     dependent: set(factor).
% 1.70/1.91  
% 1.70/1.91  ------------> process usable:
% 1.70/1.91  ** KEPT (pick-wt=9): 1 [] -smaller_or_e_qual(A,B)|smaller(A,B)|A=B.
% 1.70/1.91  ** KEPT (pick-wt=6): 2 [] -smaller(A,B)|smaller_or_e_qual(A,B).
% 1.70/1.91  ** KEPT (pick-wt=6): 3 [] A!=B|smaller_or_e_qual(A,B).
% 1.70/1.91  ** KEPT (pick-wt=9): 4 [] -greater_or_e_qual(A,B)|greater(A,B)|A=B.
% 1.70/1.91  ** KEPT (pick-wt=6): 5 [] -greater(A,B)|greater_or_e_qual(A,B).
% 1.70/1.91  ** KEPT (pick-wt=6): 6 [] A!=B|greater_or_e_qual(A,B).
% 1.70/1.91  ** KEPT (pick-wt=6): 7 [] -smaller(A,B)|greater(B,A).
% 1.70/1.91  ** KEPT (pick-wt=6): 8 [] -greater(A,B)|smaller(B,A).
% 1.70/1.91  ** KEPT (pick-wt=6): 9 [] -greater(A,B)| -greater(B,A).
% 1.70/1.91  ** KEPT (pick-wt=9): 10 [] -greater(A,B)| -greater(B,C)|greater(A,C).
% 1.70/1.91  ** KEPT (pick-wt=23): 11 [] -organization(A)| -greater(stock_of_knowledge(A,B),stock_of_knowledge(A,C))| -smaller_or_e_qual(internal_friction(A,B),internal_friction(A,C))|greater(capability(A,B),capability(A,C)).
% 1.70/1.91  ** KEPT (pick-wt=23): 12 [] -organization(A)| -smaller_or_e_qual(stock_of_knowledge(A,B),stock_of_knowledge(A,C))| -greater(internal_friction(A,B),internal_friction(A,C))|smaller(capability(A,B),capability(A,C)).
% 1.70/1.91  ** KEPT (pick-wt=23): 13 [] -organization(A)|stock_of_knowledge(A,B)!=stock_of_knowledge(A,C)|internal_friction(A,B)!=internal_friction(A,C)|capability(A,B)=capability(A,C).
% 1.70/1.91  ** KEPT (pick-wt=9): 14 [] -organization(A)|stock_of_knowledge(A,B)=stock_of_knowledge(A,C).
% 1.70/1.91  ** KEPT (pick-wt=16): 15 [] -organization(A)| -greater(age(A,B),age(A,C))|greater(internal_friction(A,B),internal_friction(A,C)).
% 1.70/1.91  ** KEPT (pick-wt=7): 16 [] -smaller(capability(sk1,sk3),capability(sk1,sk2)).
% 1.70/1.91  
% 1.70/1.91  ------------> process sos:
% 1.70/1.91  ** KEPT (pick-wt=3): 18 [] A=A.
% 1.70/1.91  ** KEPT (pick-wt=9): 19 [] smaller(A,B)|A=B|greater(A,B).
% 1.70/1.91  ** KEPT (pick-wt=2): 20 [] organization(sk1).
% 1.70/1.91  ** KEPT (pick-wt=7): 21 [] greater(age(sk1,sk3),age(sk1,sk2)).
% 1.70/1.91    Following clause subsumed by 18 during input processing: 0 [copy,18,flip.1] A=A.
% 1.70/1.91  
% 1.70/1.91  ======= end of input processing =======
% 1.70/1.91  
% 1.70/1.91  =========== start of search ===========
% 1.70/1.91  
% 1.70/1.91  -------- PROOF -------- 
% 1.70/1.91  
% 1.70/1.91  ----> UNIT CONFLICT at   0.00 sec ----> 166 [binary,165.1,16.1] $F.
% 1.70/1.91  
% 1.70/1.91  Length of proof is 4.  Level of proof is 3.
% 1.70/1.91  
% 1.70/1.91  ---------------- PROOF ----------------
% 1.70/1.91  % SZS status Unsatisfiable
% 1.70/1.91  % SZS output start Refutation
% See solution above
% 1.70/1.91  ------------ end of proof -------------
% 1.70/1.91  
% 1.70/1.91  
% 1.70/1.91  Search stopped by max_proofs option.
% 1.70/1.91  
% 1.70/1.91  
% 1.70/1.91  Search stopped by max_proofs option.
% 1.70/1.91  
% 1.70/1.91  ============ end of search ============
% 1.70/1.91  
% 1.70/1.91  -------------- statistics -------------
% 1.70/1.91  clauses given                 13
% 1.70/1.91  clauses generated            176
% 1.70/1.91  clauses kept                 165
% 1.70/1.91  clauses forward subsumed      33
% 1.70/1.91  clauses back subsumed          0
% 1.70/1.91  Kbytes malloced              976
% 1.70/1.91  
% 1.70/1.91  ----------- times (seconds) -----------
% 1.70/1.91  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.70/1.91  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.70/1.91  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.70/1.91  
% 1.70/1.91  That finishes the proof of the theorem.
% 1.70/1.91  
% 1.70/1.91  Process 19424 finished Wed Jul 27 04:05:32 2022
% 1.70/1.91  Otter interrupted
% 1.70/1.91  PROOF FOUND
%------------------------------------------------------------------------------