TSTP Solution File: TOP001-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : TOP001-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n003.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 13:26:47 EDT 2022

% Result   : Unsatisfiable 1.67s 1.89s
% Output   : Refutation 1.67s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   12
% Syntax   : Number of clauses     :   23 (  13 unt;   1 nHn;  22 RR)
%            Number of literals    :   37 (   0 equ;  14 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   2 con; 0-3 aty)
%            Number of variables   :   24 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ element_of_set(A,union_of_members(B))
    | element_of_set(A,f1(B,A)) ),
    file('TOP001-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ element_of_set(A,union_of_members(B))
    | element_of_collection(f1(B,A),B) ),
    file('TOP001-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( element_of_set(A,union_of_members(B))
    | ~ element_of_set(A,C)
    | ~ element_of_collection(C,B) ),
    file('TOP001-2.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ basis(A,B)
    | e_qual_sets(union_of_members(B),A) ),
    file('TOP001-2.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ element_of_collection(A,top_of_basis(B))
    | ~ element_of_set(C,A)
    | element_of_set(C,f10(B,A,C)) ),
    file('TOP001-2.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ element_of_collection(A,top_of_basis(B))
    | ~ element_of_set(C,A)
    | element_of_collection(f10(B,A,C),B) ),
    file('TOP001-2.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ subset_sets(A,B)
    | ~ element_of_set(C,A)
    | element_of_set(C,B) ),
    file('TOP001-2.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ e_qual_sets(A,B)
    | subset_sets(A,B) ),
    file('TOP001-2.p',unknown),
    [] ).

cnf(9,axiom,
    ( subset_sets(A,B)
    | ~ element_of_set(in_1st_set(A,B),B) ),
    file('TOP001-2.p',unknown),
    [] ).

cnf(10,axiom,
    ~ subset_sets(union_of_members(top_of_basis(f)),cx),
    file('TOP001-2.p',unknown),
    [] ).

cnf(12,axiom,
    ( subset_sets(A,B)
    | element_of_set(in_1st_set(A,B),A) ),
    file('TOP001-2.p',unknown),
    [] ).

cnf(13,axiom,
    basis(cx,f),
    file('TOP001-2.p',unknown),
    [] ).

cnf(14,plain,
    e_qual_sets(union_of_members(f),cx),
    inference(hyper,[status(thm)],[13,4]),
    [iquote('hyper,13,4')] ).

cnf(15,plain,
    subset_sets(union_of_members(f),cx),
    inference(hyper,[status(thm)],[14,8]),
    [iquote('hyper,14,8')] ).

cnf(16,plain,
    element_of_set(in_1st_set(union_of_members(top_of_basis(f)),cx),union_of_members(top_of_basis(f))),
    inference(hyper,[status(thm)],[12,10]),
    [iquote('hyper,12,10')] ).

cnf(18,plain,
    element_of_collection(f1(top_of_basis(f),in_1st_set(union_of_members(top_of_basis(f)),cx)),top_of_basis(f)),
    inference(hyper,[status(thm)],[16,2]),
    [iquote('hyper,16,2')] ).

cnf(19,plain,
    element_of_set(in_1st_set(union_of_members(top_of_basis(f)),cx),f1(top_of_basis(f),in_1st_set(union_of_members(top_of_basis(f)),cx))),
    inference(hyper,[status(thm)],[16,1]),
    [iquote('hyper,16,1')] ).

cnf(21,plain,
    element_of_collection(f10(f,f1(top_of_basis(f),in_1st_set(union_of_members(top_of_basis(f)),cx)),in_1st_set(union_of_members(top_of_basis(f)),cx)),f),
    inference(hyper,[status(thm)],[19,6,18]),
    [iquote('hyper,19,6,18')] ).

cnf(22,plain,
    element_of_set(in_1st_set(union_of_members(top_of_basis(f)),cx),f10(f,f1(top_of_basis(f),in_1st_set(union_of_members(top_of_basis(f)),cx)),in_1st_set(union_of_members(top_of_basis(f)),cx))),
    inference(hyper,[status(thm)],[19,5,18]),
    [iquote('hyper,19,5,18')] ).

cnf(56,plain,
    element_of_set(in_1st_set(union_of_members(top_of_basis(f)),cx),union_of_members(f)),
    inference(hyper,[status(thm)],[22,3,21]),
    [iquote('hyper,22,3,21')] ).

cnf(57,plain,
    element_of_set(in_1st_set(union_of_members(top_of_basis(f)),cx),cx),
    inference(hyper,[status(thm)],[56,7,15]),
    [iquote('hyper,56,7,15')] ).

cnf(61,plain,
    subset_sets(union_of_members(top_of_basis(f)),cx),
    inference(hyper,[status(thm)],[57,9]),
    [iquote('hyper,57,9')] ).

cnf(62,plain,
    $false,
    inference(binary,[status(thm)],[61,10]),
    [iquote('binary,61.1,10.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : TOP001-2 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n003.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 01:55:11 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 n003.cluster.edu,
% 1.67/1.89  Wed Jul 27 01:55:11 2022
% 1.67/1.89  The command was "./otter".  The process ID is 21017.
% 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 [] -element_of_set(U,union_of_members(Vf))|element_of_set(U,f1(Vf,U)).
% 1.67/1.89  0 [] -element_of_set(U,union_of_members(Vf))|element_of_collection(f1(Vf,U),Vf).
% 1.67/1.89  0 [] element_of_set(U,union_of_members(Vf))| -element_of_set(U,Uu1)| -element_of_collection(Uu1,Vf).
% 1.67/1.89  0 [] -basis(X,Vf)|e_qual_sets(union_of_members(Vf),X).
% 1.67/1.89  0 [] -element_of_collection(U,top_of_basis(Vf))| -element_of_set(X,U)|element_of_set(X,f10(Vf,U,X)).
% 1.67/1.89  0 [] -element_of_collection(U,top_of_basis(Vf))| -element_of_set(X,U)|element_of_collection(f10(Vf,U,X),Vf).
% 1.67/1.89  0 [] subset_sets(X,X).
% 1.67/1.89  0 [] -subset_sets(X,Y)| -element_of_set(U,X)|element_of_set(U,Y).
% 1.67/1.89  0 [] -e_qual_sets(X,Y)|subset_sets(X,Y).
% 1.67/1.89  0 [] subset_sets(X,Y)|element_of_set(in_1st_set(X,Y),X).
% 1.67/1.89  0 [] subset_sets(X,Y)| -element_of_set(in_1st_set(X,Y),Y).
% 1.67/1.89  0 [] basis(cx,f).
% 1.67/1.89  0 [] -subset_sets(union_of_members(top_of_basis(f)),cx).
% 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=9): 1 [] -element_of_set(A,union_of_members(B))|element_of_set(A,f1(B,A)).
% 1.67/1.89  ** KEPT (pick-wt=9): 2 [] -element_of_set(A,union_of_members(B))|element_of_collection(f1(B,A),B).
% 1.67/1.89  ** KEPT (pick-wt=10): 3 [] element_of_set(A,union_of_members(B))| -element_of_set(A,C)| -element_of_collection(C,B).
% 1.67/1.89  ** KEPT (pick-wt=7): 4 [] -basis(A,B)|e_qual_sets(union_of_members(B),A).
% 1.67/1.89  ** KEPT (pick-wt=13): 5 [] -element_of_collection(A,top_of_basis(B))| -element_of_set(C,A)|element_of_set(C,f10(B,A,C)).
% 1.67/1.89  ** KEPT (pick-wt=13): 6 [] -element_of_collection(A,top_of_basis(B))| -element_of_set(C,A)|element_of_collection(f10(B,A,C),B).
% 1.67/1.89  ** KEPT (pick-wt=9): 7 [] -subset_sets(A,B)| -element_of_set(C,A)|element_of_set(C,B).
% 1.67/1.89  ** KEPT (pick-wt=6): 8 [] -e_qual_sets(A,B)|subset_sets(A,B).
% 1.67/1.89  ** KEPT (pick-wt=8): 9 [] subset_sets(A,B)| -element_of_set(in_1st_set(A,B),B).
% 1.67/1.89  ** KEPT (pick-wt=5): 10 [] -subset_sets(union_of_members(top_of_basis(f)),cx).
% 1.67/1.89  
% 1.67/1.89  ------------> process sos:
% 1.67/1.89  ** KEPT (pick-wt=3): 11 [] subset_sets(A,A).
% 1.67/1.89  ** KEPT (pick-wt=8): 12 [] subset_sets(A,B)|element_of_set(in_1st_set(A,B),A).
% 1.67/1.89  ** KEPT (pick-wt=3): 13 [] basis(cx,f).
% 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  ----> UNIT CONFLICT at   0.00 sec ----> 62 [binary,61.1,10.1] $F.
% 1.67/1.89  
% 1.67/1.89  Length of proof is 10.  Level of proof is 6.
% 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                 18
% 1.67/1.89  clauses generated             81
% 1.67/1.89  clauses kept                  61
% 1.67/1.89  clauses forward subsumed      33
% 1.67/1.89  clauses back subsumed          7
% 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 21017 finished Wed Jul 27 01:55:13 2022
% 1.67/1.89  Otter interrupted
% 1.67/1.89  PROOF FOUND
%------------------------------------------------------------------------------