TSTP Solution File: MSC004-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : MSC004-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n027.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 13:06:17 EDT 2022

% Result   : Unsatisfiable 1.67s 1.89s
% Output   : Refutation 1.67s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   16 (   6 unt;   5 nHn;  11 RR)
%            Number of literals    :   28 (   0 equ;   8 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :   11 (  11 usr;   9 con; 0-5 aty)
%            Number of variables   :   22 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( in(object_in(A,B,C,D,E),B)
    | has_parts(A,times(D,E),C)
    | ~ has_parts(A,D,B) ),
    file('MSC004-1.p',unknown),
    [] ).

cnf(2,axiom,
    ( has_parts(A,times(B,C),D)
    | ~ has_parts(A,B,E)
    | ~ has_parts(object_in(A,E,D,B,C),C,D) ),
    file('MSC004-1.p',unknown),
    [] ).

cnf(3,axiom,
    ( in(A,human)
    | ~ in(A,boy) ),
    file('MSC004-1.p',unknown),
    [] ).

cnf(4,axiom,
    ( has_parts(A,n5,fingers)
    | ~ in(A,hand) ),
    file('MSC004-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( has_parts(A,n2,arm)
    | ~ in(A,human) ),
    file('MSC004-1.p',unknown),
    [] ).

cnf(6,axiom,
    ( has_parts(A,n1,hand)
    | ~ in(A,arm) ),
    file('MSC004-1.p',unknown),
    [] ).

cnf(7,axiom,
    ~ has_parts(john,times(times(n2,n1),n5),fingers),
    file('MSC004-1.p',unknown),
    [] ).

cnf(8,axiom,
    in(john,boy),
    file('MSC004-1.p',unknown),
    [] ).

cnf(9,plain,
    in(john,human),
    inference(hyper,[status(thm)],[8,3]),
    [iquote('hyper,8,3')] ).

cnf(10,plain,
    has_parts(john,n2,arm),
    inference(hyper,[status(thm)],[9,5]),
    [iquote('hyper,9,5')] ).

cnf(11,plain,
    ( in(object_in(john,arm,A,n2,B),arm)
    | has_parts(john,times(n2,B),A) ),
    inference(hyper,[status(thm)],[10,1]),
    [iquote('hyper,10,1')] ).

cnf(12,plain,
    ( has_parts(john,times(n2,A),B)
    | has_parts(object_in(john,arm,B,n2,A),n1,hand) ),
    inference(hyper,[status(thm)],[11,6]),
    [iquote('hyper,11,6')] ).

cnf(14,plain,
    has_parts(john,times(n2,n1),hand),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[12,2,10])]),
    [iquote('hyper,12,2,10,factor_simp')] ).

cnf(20,plain,
    ( in(object_in(john,hand,A,times(n2,n1),B),hand)
    | has_parts(john,times(times(n2,n1),B),A) ),
    inference(hyper,[status(thm)],[14,1]),
    [iquote('hyper,14,1')] ).

cnf(21,plain,
    ( has_parts(john,times(times(n2,n1),A),B)
    | has_parts(object_in(john,hand,B,times(n2,n1),A),n5,fingers) ),
    inference(hyper,[status(thm)],[20,4]),
    [iquote('hyper,20,4')] ).

cnf(24,plain,
    $false,
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[21,2,14]),7,7]),
    [iquote('hyper,21,2,14,unit_del,7,7')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : MSC004-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n027.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 09:13:51 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.67/1.89  ----- Otter 3.3f, August 2004 -----
% 1.67/1.89  The process was started by sandbox on n027.cluster.edu,
% 1.67/1.89  Wed Jul 27 09:13:51 2022
% 1.67/1.89  The command was "./otter".  The process ID is 19215.
% 1.67/1.89  
% 1.67/1.89  set(prolog_style_variables).
% 1.67/1.89  set(auto).
% 1.67/1.89     dependent: set(auto1).
% 1.67/1.89     dependent: set(process_input).
% 1.67/1.89     dependent: clear(print_kept).
% 1.67/1.89     dependent: clear(print_new_demod).
% 1.67/1.89     dependent: clear(print_back_demod).
% 1.67/1.89     dependent: clear(print_back_sub).
% 1.67/1.89     dependent: set(control_memory).
% 1.67/1.89     dependent: assign(max_mem, 12000).
% 1.67/1.89     dependent: assign(pick_given_ratio, 4).
% 1.67/1.89     dependent: assign(stats_level, 1).
% 1.67/1.89     dependent: assign(max_seconds, 10800).
% 1.67/1.89  clear(print_given).
% 1.67/1.89  
% 1.67/1.89  list(usable).
% 1.67/1.89  0 [] in(object_in(Big_part,Mid_part,Small_part,Number_of_mid_parts,Number_of_small_parts),Mid_part)|has_parts(Big_part,times(Number_of_mid_parts,Number_of_small_parts),Small_part)| -has_parts(Big_part,Number_of_mid_parts,Mid_part).
% 1.67/1.89  0 [] has_parts(Big_part,times(Number_of_mid_parts,Number_of_small_parts),Small_part)| -has_parts(Big_part,Number_of_mid_parts,Mid_part)| -has_parts(object_in(Big_part,Mid_part,Small_part,Number_of_mid_parts,Number_of_small_parts),Number_of_small_parts,Small_part).
% 1.67/1.89  0 [] in(john,boy).
% 1.67/1.89  0 [] in(X,human)| -in(X,boy).
% 1.67/1.89  0 [] has_parts(X,n5,fingers)| -in(X,hand).
% 1.67/1.89  0 [] has_parts(X,n2,arm)| -in(X,human).
% 1.67/1.89  0 [] has_parts(X,n1,hand)| -in(X,arm).
% 1.67/1.89  0 [] -has_parts(john,times(times(n2,n1),n5),fingers).
% 1.67/1.89  end_of_list.
% 1.67/1.89  
% 1.67/1.89  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=3.
% 1.67/1.89  
% 1.67/1.89  This is a non-Horn set without equality.  The strategy will
% 1.67/1.89  be ordered hyper_res, unit deletion, and factoring, with
% 1.67/1.89  satellites in sos and with nuclei in usable.
% 1.67/1.89  
% 1.67/1.89     dependent: set(hyper_res).
% 1.67/1.89     dependent: set(factor).
% 1.67/1.89     dependent: set(unit_deletion).
% 1.67/1.89  
% 1.67/1.89  ------------> process usable:
% 1.67/1.89  ** KEPT (pick-wt=18): 1 [] in(object_in(A,B,C,D,E),B)|has_parts(A,times(D,E),C)| -has_parts(A,D,B).
% 1.67/1.89  ** KEPT (pick-wt=19): 2 [] has_parts(A,times(B,C),D)| -has_parts(A,B,E)| -has_parts(object_in(A,E,D,B,C),C,D).
% 1.67/1.89  ** KEPT (pick-wt=6): 3 [] in(A,human)| -in(A,boy).
% 1.67/1.89  ** KEPT (pick-wt=7): 4 [] has_parts(A,n5,fingers)| -in(A,hand).
% 1.67/1.89  ** KEPT (pick-wt=7): 5 [] has_parts(A,n2,arm)| -in(A,human).
% 1.67/1.89  ** KEPT (pick-wt=7): 6 [] has_parts(A,n1,hand)| -in(A,arm).
% 1.67/1.89  ** KEPT (pick-wt=8): 7 [] -has_parts(john,times(times(n2,n1),n5),fingers).
% 1.67/1.89  
% 1.67/1.89  ------------> process sos:
% 1.67/1.89  ** KEPT (pick-wt=3): 8 [] in(john,boy).
% 1.67/1.89  
% 1.67/1.89  ======= end of input processing =======
% 1.67/1.89  
% 1.67/1.89  =========== start of search ===========
% 1.67/1.89  
% 1.67/1.89  -------- PROOF -------- 
% 1.67/1.89  
% 1.67/1.89  -----> EMPTY CLAUSE at   0.00 sec ----> 24 [hyper,21,2,14,unit_del,7,7] $F.
% 1.67/1.89  
% 1.67/1.89  Length of proof is 7.  Level of proof is 7.
% 1.67/1.89  
% 1.67/1.89  ---------------- PROOF ----------------
% 1.67/1.89  % SZS status Unsatisfiable
% 1.67/1.89  % SZS output start Refutation
% See solution above
% 1.67/1.89  ------------ end of proof -------------
% 1.67/1.89  
% 1.67/1.89  
% 1.67/1.89  Search stopped by max_proofs option.
% 1.67/1.89  
% 1.67/1.89  
% 1.67/1.89  Search stopped by max_proofs option.
% 1.67/1.89  
% 1.67/1.89  ============ end of search ============
% 1.67/1.89  
% 1.67/1.89  -------------- statistics -------------
% 1.67/1.89  clauses given                  9
% 1.67/1.89  clauses generated             16
% 1.67/1.89  clauses kept                  23
% 1.67/1.89  clauses forward subsumed       0
% 1.67/1.89  clauses back subsumed          0
% 1.67/1.89  Kbytes malloced              976
% 1.67/1.89  
% 1.67/1.89  ----------- times (seconds) -----------
% 1.67/1.89  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.67/1.89  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.67/1.89  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.67/1.89  
% 1.67/1.89  That finishes the proof of the theorem.
% 1.67/1.89  
% 1.67/1.89  Process 19215 finished Wed Jul 27 09:13:53 2022
% 1.67/1.89  Otter interrupted
% 1.67/1.89  PROOF FOUND
%------------------------------------------------------------------------------