TSTP Solution File: MGT018-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : MGT018-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n005.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 13:06:00 EDT 2022

% Result   : Unsatisfiable 1.56s 1.77s
% Output   : Refutation 1.56s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   16
% Syntax   : Number of clauses     :   20 (  17 unt;   1 nHn;  20 RR)
%            Number of literals    :   42 (   0 equ;  23 neg)
%            Maximal clause size   :   13 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    8 (   7 usr;   1 prp; 0-3 aty)
%            Number of functors    :   10 (  10 usr;   9 con; 0-2 aty)
%            Number of variables   :   20 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ organization(A,B)
    | inertia(A,sk1(B,A),B) ),
    file('MGT018-1.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ organization(A,B)
    | ~ organization(C,D)
    | ~ class(A,E,B)
    | ~ class(C,E,D)
    | ~ size(A,F,B)
    | ~ size(C,G,D)
    | ~ inertia(A,H,B)
    | ~ inertia(C,I,D)
    | ~ greater(G,F)
    | greater(I,H) ),
    file('MGT018-1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ organization(A,B)
    | ~ organization(C,B)
    | organization(C,D)
    | ~ class(A,E,B)
    | ~ class(C,E,B)
    | ~ reorganization(A,B,F)
    | ~ reorganization(C,B,D)
    | ~ reorganization_type(A,G,B)
    | ~ reorganization_type(C,G,B)
    | ~ inertia(A,H,B)
    | ~ inertia(C,I,B)
    | ~ greater(I,H)
    | greater(F,D) ),
    file('MGT018-1.p',unknown),
    [] ).

cnf(4,axiom,
    ~ organization(sk3,sk10),
    file('MGT018-1.p',unknown),
    [] ).

cnf(5,axiom,
    ~ greater(sk9,sk10),
    file('MGT018-1.p',unknown),
    [] ).

cnf(14,axiom,
    organization(sk2,sk8),
    file('MGT018-1.p',unknown),
    [] ).

cnf(15,axiom,
    organization(sk3,sk8),
    file('MGT018-1.p',unknown),
    [] ).

cnf(16,axiom,
    class(sk2,sk5,sk8),
    file('MGT018-1.p',unknown),
    [] ).

cnf(17,axiom,
    class(sk3,sk5,sk8),
    file('MGT018-1.p',unknown),
    [] ).

cnf(18,axiom,
    reorganization(sk2,sk8,sk9),
    file('MGT018-1.p',unknown),
    [] ).

cnf(19,axiom,
    reorganization(sk3,sk8,sk10),
    file('MGT018-1.p',unknown),
    [] ).

cnf(20,axiom,
    reorganization_type(sk2,sk4,sk8),
    file('MGT018-1.p',unknown),
    [] ).

cnf(21,axiom,
    reorganization_type(sk3,sk4,sk8),
    file('MGT018-1.p',unknown),
    [] ).

cnf(22,axiom,
    size(sk2,sk6,sk8),
    file('MGT018-1.p',unknown),
    [] ).

cnf(23,axiom,
    size(sk3,sk7,sk8),
    file('MGT018-1.p',unknown),
    [] ).

cnf(24,axiom,
    greater(sk7,sk6),
    file('MGT018-1.p',unknown),
    [] ).

cnf(25,plain,
    inertia(sk2,sk1(sk8,sk2),sk8),
    inference(hyper,[status(thm)],[14,1]),
    [iquote('hyper,14,1')] ).

cnf(26,plain,
    inertia(sk3,sk1(sk8,sk3),sk8),
    inference(hyper,[status(thm)],[15,1]),
    [iquote('hyper,15,1')] ).

cnf(27,plain,
    greater(sk1(sk8,sk3),sk1(sk8,sk2)),
    inference(hyper,[status(thm)],[26,2,14,15,16,17,22,23,25,24]),
    [iquote('hyper,26,2,14,15,16,17,22,23,25,24')] ).

cnf(28,plain,
    $false,
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[27,3,14,15,16,17,18,19,20,21,25,26]),4,5]),
    [iquote('hyper,27,3,14,15,16,17,18,19,20,21,25,26,unit_del,4,5')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : MGT018-1 : TPTP v8.1.0. Released v2.4.0.
% 0.10/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n005.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 03:59:35 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.56/1.77  ----- Otter 3.3f, August 2004 -----
% 1.56/1.77  The process was started by sandbox2 on n005.cluster.edu,
% 1.56/1.77  Wed Jul 27 03:59:35 2022
% 1.56/1.77  The command was "./otter".  The process ID is 4153.
% 1.56/1.77  
% 1.56/1.77  set(prolog_style_variables).
% 1.56/1.77  set(auto).
% 1.56/1.77     dependent: set(auto1).
% 1.56/1.77     dependent: set(process_input).
% 1.56/1.77     dependent: clear(print_kept).
% 1.56/1.77     dependent: clear(print_new_demod).
% 1.56/1.77     dependent: clear(print_back_demod).
% 1.56/1.77     dependent: clear(print_back_sub).
% 1.56/1.77     dependent: set(control_memory).
% 1.56/1.77     dependent: assign(max_mem, 12000).
% 1.56/1.77     dependent: assign(pick_given_ratio, 4).
% 1.56/1.77     dependent: assign(stats_level, 1).
% 1.56/1.77     dependent: assign(max_seconds, 10800).
% 1.56/1.77  clear(print_given).
% 1.56/1.77  
% 1.56/1.77  list(usable).
% 1.56/1.77  0 [] -organization(A,B)|inertia(A,sk1(B,A),B).
% 1.56/1.77  0 [] -organization(A,B)| -organization(C,D)| -class(A,E,B)| -class(C,E,D)| -size(A,F,B)| -size(C,G,D)| -inertia(A,H,B)| -inertia(C,I,D)| -greater(G,F)|greater(I,H).
% 1.56/1.77  0 [] -organization(A,B)| -organization(C,B)|organization(C,D)| -class(A,E,B)| -class(C,E,B)| -reorganization(A,B,F)| -reorganization(C,B,D)| -reorganization_type(A,G,B)| -reorganization_type(C,G,B)| -inertia(A,H,B)| -inertia(C,I,B)| -greater(I,H)|greater(F,D).
% 1.56/1.77  0 [] organization(sk2,sk8).
% 1.56/1.77  0 [] organization(sk3,sk8).
% 1.56/1.77  0 [] -organization(sk3,sk10).
% 1.56/1.77  0 [] class(sk2,sk5,sk8).
% 1.56/1.77  0 [] class(sk3,sk5,sk8).
% 1.56/1.77  0 [] reorganization(sk2,sk8,sk9).
% 1.56/1.77  0 [] reorganization(sk3,sk8,sk10).
% 1.56/1.77  0 [] reorganization_type(sk2,sk4,sk8).
% 1.56/1.77  0 [] reorganization_type(sk3,sk4,sk8).
% 1.56/1.77  0 [] size(sk2,sk6,sk8).
% 1.56/1.77  0 [] size(sk3,sk7,sk8).
% 1.56/1.77  0 [] greater(sk7,sk6).
% 1.56/1.77  0 [] -greater(sk9,sk10).
% 1.56/1.77  end_of_list.
% 1.56/1.77  
% 1.56/1.77  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=13.
% 1.56/1.77  
% 1.56/1.77  This is a non-Horn set without equality.  The strategy will
% 1.56/1.77  be ordered hyper_res, unit deletion, and factoring, with
% 1.56/1.77  satellites in sos and with nuclei in usable.
% 1.56/1.77  
% 1.56/1.77     dependent: set(hyper_res).
% 1.56/1.77     dependent: set(factor).
% 1.56/1.77     dependent: set(unit_deletion).
% 1.56/1.77  
% 1.56/1.77  ------------> process usable:
% 1.56/1.77  ** KEPT (pick-wt=9): 1 [] -organization(A,B)|inertia(A,sk1(B,A),B).
% 1.56/1.77  ** KEPT (pick-wt=36): 2 [] -organization(A,B)| -organization(C,D)| -class(A,E,B)| -class(C,E,D)| -size(A,F,B)| -size(C,G,D)| -inertia(A,H,B)| -inertia(C,I,D)| -greater(G,F)|greater(I,H).
% 1.56/1.77  ** KEPT (pick-wt=47): 3 [] -organization(A,B)| -organization(C,B)|organization(C,D)| -class(A,E,B)| -class(C,E,B)| -reorganization(A,B,F)| -reorganization(C,B,D)| -reorganization_type(A,G,B)| -reorganization_type(C,G,B)| -inertia(A,H,B)| -inertia(C,I,B)| -greater(I,H)|greater(F,D).
% 1.56/1.77  ** KEPT (pick-wt=3): 4 [] -organization(sk3,sk10).
% 1.56/1.77  ** KEPT (pick-wt=3): 5 [] -greater(sk9,sk10).
% 1.56/1.77  
% 1.56/1.77  ------------> process sos:
% 1.56/1.77  ** KEPT (pick-wt=3): 14 [] organization(sk2,sk8).
% 1.56/1.77  ** KEPT (pick-wt=3): 15 [] organization(sk3,sk8).
% 1.56/1.77  ** KEPT (pick-wt=4): 16 [] class(sk2,sk5,sk8).
% 1.56/1.77  ** KEPT (pick-wt=4): 17 [] class(sk3,sk5,sk8).
% 1.56/1.77  ** KEPT (pick-wt=4): 18 [] reorganization(sk2,sk8,sk9).
% 1.56/1.77  ** KEPT (pick-wt=4): 19 [] reorganization(sk3,sk8,sk10).
% 1.56/1.77  ** KEPT (pick-wt=4): 20 [] reorganization_type(sk2,sk4,sk8).
% 1.56/1.77  ** KEPT (pick-wt=4): 21 [] reorganization_type(sk3,sk4,sk8).
% 1.56/1.77  ** KEPT (pick-wt=4): 22 [] size(sk2,sk6,sk8).
% 1.56/1.77  ** KEPT (pick-wt=4): 23 [] size(sk3,sk7,sk8).
% 1.56/1.77  ** KEPT (pick-wt=3): 24 [] greater(sk7,sk6).
% 1.56/1.77  
% 1.56/1.77  ======= end of input processing =======
% 1.56/1.77  
% 1.56/1.77  =========== start of search ===========
% 1.56/1.77  
% 1.56/1.77  -------- PROOF -------- 
% 1.56/1.77  
% 1.56/1.77  -----> EMPTY CLAUSE at   0.00 sec ----> 28 [hyper,27,3,14,15,16,17,18,19,20,21,25,26,unit_del,4,5] $F.
% 1.56/1.77  
% 1.56/1.77  Length of proof is 3.  Level of proof is 2.
% 1.56/1.77  
% 1.56/1.77  ---------------- PROOF ----------------
% 1.56/1.77  % SZS status Unsatisfiable
% 1.56/1.77  % SZS output start Refutation
% See solution above
% 1.56/1.77  ------------ end of proof -------------
% 1.56/1.77  
% 1.56/1.77  
% 1.56/1.77  Search stopped by max_proofs option.
% 1.56/1.77  
% 1.56/1.77  
% 1.56/1.77  Search stopped by max_proofs option.
% 1.56/1.77  
% 1.56/1.77  ============ end of search ============
% 1.56/1.77  
% 1.56/1.77  -------------- statistics -------------
% 1.56/1.77  clauses given                 14
% 1.56/1.77  clauses generated             21
% 1.56/1.77  clauses kept                  27
% 1.56/1.77  clauses forward subsumed       9
% 1.56/1.77  clauses back subsumed          0
% 1.56/1.77  Kbytes malloced              976
% 1.56/1.77  
% 1.56/1.77  ----------- times (seconds) -----------
% 1.56/1.77  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.56/1.77  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.56/1.77  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.56/1.77  
% 1.56/1.77  That finishes the proof of the theorem.
% 1.56/1.77  
% 1.56/1.77  Process 4153 finished Wed Jul 27 03:59:37 2022
% 1.56/1.77  Otter interrupted
% 1.56/1.77  PROOF FOUND
%------------------------------------------------------------------------------