TSTP Solution File: MGT041+2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : MGT041+2 : TPTP v8.1.0. Released v2.0.0.
% 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 13:06:09 EDT 2022

% Result   : Theorem 1.69s 1.88s
% Output   : Refutation 1.69s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   12 (   6 unt;   3 nHn;  12 RR)
%            Number of literals    :   23 (   0 equ;  10 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   1 prp; 0-3 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :    8 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ number_of_routines(A,B,low)
    | ~ number_of_routines(A,B,high) ),
    file('MGT041+2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ organisation_at_time(A,B)
    | ~ efficient_producer(A)
    | ~ founding_time(A,B)
    | has_elaborated_routines(A,B) ),
    file('MGT041+2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ organisation_at_time(A,B)
    | ~ first_mover(A)
    | ~ founding_time(A,B)
    | number_of_routines(A,B,low) ),
    file('MGT041+2.p',unknown),
    [] ).

cnf(4,axiom,
    ~ has_elaborated_routines(dollar_c2,dollar_c1),
    file('MGT041+2.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ organisation_at_time(A,B)
    | first_mover(A)
    | efficient_producer(A) ),
    file('MGT041+2.p',unknown),
    [] ).

cnf(6,axiom,
    organisation_at_time(dollar_c2,dollar_c1),
    file('MGT041+2.p',unknown),
    [] ).

cnf(7,axiom,
    founding_time(dollar_c2,dollar_c1),
    file('MGT041+2.p',unknown),
    [] ).

cnf(8,axiom,
    number_of_routines(dollar_c2,dollar_c1,high),
    file('MGT041+2.p',unknown),
    [] ).

cnf(9,plain,
    ( first_mover(dollar_c2)
    | efficient_producer(dollar_c2) ),
    inference(hyper,[status(thm)],[6,5]),
    [iquote('hyper,6,5')] ).

cnf(10,plain,
    ( efficient_producer(dollar_c2)
    | number_of_routines(dollar_c2,dollar_c1,low) ),
    inference(hyper,[status(thm)],[9,3,6,7]),
    [iquote('hyper,9,3,6,7')] ).

cnf(11,plain,
    number_of_routines(dollar_c2,dollar_c1,low),
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[10,2,6,7]),4]),
    [iquote('hyper,10,2,6,7,unit_del,4')] ).

cnf(12,plain,
    $false,
    inference(hyper,[status(thm)],[11,1,8]),
    [iquote('hyper,11,1,8')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : MGT041+2 : TPTP v8.1.0. Released v2.0.0.
% 0.04/0.13  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n008.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 04:03:23 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.69/1.88  ----- Otter 3.3f, August 2004 -----
% 1.69/1.88  The process was started by sandbox2 on n008.cluster.edu,
% 1.69/1.88  Wed Jul 27 04:03:23 2022
% 1.69/1.88  The command was "./otter".  The process ID is 16535.
% 1.69/1.88  
% 1.69/1.88  set(prolog_style_variables).
% 1.69/1.88  set(auto).
% 1.69/1.88     dependent: set(auto1).
% 1.69/1.88     dependent: set(process_input).
% 1.69/1.88     dependent: clear(print_kept).
% 1.69/1.88     dependent: clear(print_new_demod).
% 1.69/1.88     dependent: clear(print_back_demod).
% 1.69/1.88     dependent: clear(print_back_sub).
% 1.69/1.88     dependent: set(control_memory).
% 1.69/1.88     dependent: assign(max_mem, 12000).
% 1.69/1.88     dependent: assign(pick_given_ratio, 4).
% 1.69/1.88     dependent: assign(stats_level, 1).
% 1.69/1.88     dependent: assign(max_seconds, 10800).
% 1.69/1.88  clear(print_given).
% 1.69/1.88  
% 1.69/1.88  formula_list(usable).
% 1.69/1.88  all X T (-(number_of_routines(X,T,low)&number_of_routines(X,T,high))).
% 1.69/1.88  all X T (organisation_at_time(X,T)&efficient_producer(X)&founding_time(X,T)->has_elaborated_routines(X,T)).
% 1.69/1.88  all X T (organisation_at_time(X,T)&first_mover(X)&founding_time(X,T)->number_of_routines(X,T,low)).
% 1.69/1.88  exists X T (organisation_at_time(X,T)&founding_time(X,T)&number_of_routines(X,T,high)& -has_elaborated_routines(X,T)).
% 1.69/1.88  -(exists X T (organisation_at_time(X,T)& -first_mover(X)& -efficient_producer(X))).
% 1.69/1.88  end_of_list.
% 1.69/1.88  
% 1.69/1.88  -------> usable clausifies to:
% 1.69/1.88  
% 1.69/1.88  list(usable).
% 1.69/1.88  0 [] -number_of_routines(X,T,low)| -number_of_routines(X,T,high).
% 1.69/1.88  0 [] -organisation_at_time(X,T)| -efficient_producer(X)| -founding_time(X,T)|has_elaborated_routines(X,T).
% 1.69/1.88  0 [] -organisation_at_time(X,T)| -first_mover(X)| -founding_time(X,T)|number_of_routines(X,T,low).
% 1.69/1.88  0 [] organisation_at_time($c2,$c1).
% 1.69/1.88  0 [] founding_time($c2,$c1).
% 1.69/1.88  0 [] number_of_routines($c2,$c1,high).
% 1.69/1.88  0 [] -has_elaborated_routines($c2,$c1).
% 1.69/1.88  0 [] -organisation_at_time(X,T)|first_mover(X)|efficient_producer(X).
% 1.69/1.88  end_of_list.
% 1.69/1.88  
% 1.69/1.88  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=4.
% 1.69/1.88  
% 1.69/1.88  This is a non-Horn set without equality.  The strategy will
% 1.69/1.88  be ordered hyper_res, unit deletion, and factoring, with
% 1.69/1.88  satellites in sos and with nuclei in usable.
% 1.69/1.88  
% 1.69/1.88     dependent: set(hyper_res).
% 1.69/1.88     dependent: set(factor).
% 1.69/1.88     dependent: set(unit_deletion).
% 1.69/1.88  
% 1.69/1.88  ------------> process usable:
% 1.69/1.88  ** KEPT (pick-wt=8): 1 [] -number_of_routines(A,B,low)| -number_of_routines(A,B,high).
% 1.69/1.88  ** KEPT (pick-wt=11): 2 [] -organisation_at_time(A,B)| -efficient_producer(A)| -founding_time(A,B)|has_elaborated_routines(A,B).
% 1.69/1.88  ** KEPT (pick-wt=12): 3 [] -organisation_at_time(A,B)| -first_mover(A)| -founding_time(A,B)|number_of_routines(A,B,low).
% 1.69/1.88  ** KEPT (pick-wt=3): 4 [] -has_elaborated_routines($c2,$c1).
% 1.69/1.88  ** KEPT (pick-wt=7): 5 [] -organisation_at_time(A,B)|first_mover(A)|efficient_producer(A).
% 1.69/1.88  
% 1.69/1.88  ------------> process sos:
% 1.69/1.88  ** KEPT (pick-wt=3): 6 [] organisation_at_time($c2,$c1).
% 1.69/1.88  ** KEPT (pick-wt=3): 7 [] founding_time($c2,$c1).
% 1.69/1.88  ** KEPT (pick-wt=4): 8 [] number_of_routines($c2,$c1,high).
% 1.69/1.88  
% 1.69/1.88  ======= end of input processing =======
% 1.69/1.88  
% 1.69/1.88  =========== start of search ===========
% 1.69/1.88  
% 1.69/1.88  -------- PROOF -------- 
% 1.69/1.88  
% 1.69/1.88  -----> EMPTY CLAUSE at   0.00 sec ----> 12 [hyper,11,1,8] $F.
% 1.69/1.88  
% 1.69/1.88  Length of proof is 3.  Level of proof is 3.
% 1.69/1.88  
% 1.69/1.88  ---------------- PROOF ----------------
% 1.69/1.88  % SZS status Theorem
% 1.69/1.88  % SZS output start Refutation
% See solution above
% 1.69/1.88  ------------ end of proof -------------
% 1.69/1.88  
% 1.69/1.88  
% 1.69/1.88  Search stopped by max_proofs option.
% 1.69/1.88  
% 1.69/1.88  
% 1.69/1.88  Search stopped by max_proofs option.
% 1.69/1.88  
% 1.69/1.88  ============ end of search ============
% 1.69/1.88  
% 1.69/1.88  -------------- statistics -------------
% 1.69/1.88  clauses given                  6
% 1.69/1.88  clauses generated              4
% 1.69/1.88  clauses kept                  11
% 1.69/1.88  clauses forward subsumed       0
% 1.69/1.88  clauses back subsumed          1
% 1.69/1.88  Kbytes malloced              976
% 1.69/1.88  
% 1.69/1.88  ----------- times (seconds) -----------
% 1.69/1.88  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.69/1.88  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.69/1.88  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.69/1.88  
% 1.69/1.88  That finishes the proof of the theorem.
% 1.69/1.88  
% 1.69/1.88  Process 16535 finished Wed Jul 27 04:03:25 2022
% 1.69/1.88  Otter interrupted
% 1.69/1.88  PROOF FOUND
%------------------------------------------------------------------------------