TSTP Solution File: TOP004-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : TOP004-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n006.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 13:26:48 EDT 2022

% Result   : Unsatisfiable 1.94s 2.14s
% Output   : Refutation 1.94s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    1
%            Number of leaves      :    2
% Syntax   : Number of clauses     :    3 (   3 unt;   0 nHn;   2 RR)
%            Number of literals    :    3 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-2 aty)
%            Number of variables   :    3 (   3 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(16,axiom,
    ~ element_of_collection(intersection_of_sets(A,B),top_of_basis(f)),
    file('TOP004-2.p',unknown),
    [] ).

cnf(31,axiom,
    element_of_collection(A,top_of_basis(f)),
    file('TOP004-2.p',unknown),
    [] ).

cnf(32,plain,
    $false,
    inference(binary,[status(thm)],[31,16]),
    [iquote('binary,31.1,16.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : TOP004-2 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.12  % Command  : otter-tptp-script %s
% 0.11/0.33  % Computer : n006.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 300
% 0.11/0.33  % DateTime : Wed Jul 27 01:47:32 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 1.94/2.14  ----- Otter 3.3f, August 2004 -----
% 1.94/2.14  The process was started by sandbox on n006.cluster.edu,
% 1.94/2.14  Wed Jul 27 01:47:32 2022
% 1.94/2.14  The command was "./otter".  The process ID is 20612.
% 1.94/2.14  
% 1.94/2.14  set(prolog_style_variables).
% 1.94/2.14  set(auto).
% 1.94/2.14     dependent: set(auto1).
% 1.94/2.14     dependent: set(process_input).
% 1.94/2.14     dependent: clear(print_kept).
% 1.94/2.14     dependent: clear(print_new_demod).
% 1.94/2.14     dependent: clear(print_back_demod).
% 1.94/2.14     dependent: clear(print_back_sub).
% 1.94/2.14     dependent: set(control_memory).
% 1.94/2.14     dependent: assign(max_mem, 12000).
% 1.94/2.14     dependent: assign(pick_given_ratio, 4).
% 1.94/2.14     dependent: assign(stats_level, 1).
% 1.94/2.14     dependent: assign(max_seconds, 10800).
% 1.94/2.14  clear(print_given).
% 1.94/2.14  
% 1.94/2.14  list(usable).
% 1.94/2.14  0 [] element_of_set(U,union_of_members(Vf))| -element_of_set(U,Uu1)| -element_of_collection(Uu1,Vf).
% 1.94/2.14  0 [] -basis(X,Vf)|e_qual_sets(union_of_members(Vf),X).
% 1.94/2.14  0 [] -basis(X,Vf)| -element_of_set(Y,X)| -element_of_collection(Vb1,Vf)| -element_of_collection(Vb2,Vf)| -element_of_set(Y,intersection_of_sets(Vb1,Vb2))|element_of_set(Y,f6(X,Vf,Y,Vb1,Vb2)).
% 1.94/2.14  0 [] -basis(X,Vf)| -element_of_set(Y,X)| -element_of_collection(Vb1,Vf)| -element_of_collection(Vb2,Vf)| -element_of_set(Y,intersection_of_sets(Vb1,Vb2))|element_of_collection(f6(X,Vf,Y,Vb1,Vb2),Vf).
% 1.94/2.14  0 [] -basis(X,Vf)| -element_of_set(Y,X)| -element_of_collection(Vb1,Vf)| -element_of_collection(Vb2,Vf)| -element_of_set(Y,intersection_of_sets(Vb1,Vb2))|subset_sets(f6(X,Vf,Y,Vb1,Vb2),intersection_of_sets(Vb1,Vb2)).
% 1.94/2.14  0 [] -element_of_collection(U,top_of_basis(Vf))| -element_of_set(X,U)|element_of_set(X,f10(Vf,U,X)).
% 1.94/2.14  0 [] -element_of_collection(U,top_of_basis(Vf))| -element_of_set(X,U)|element_of_collection(f10(Vf,U,X),Vf).
% 1.94/2.14  0 [] -element_of_collection(U,top_of_basis(Vf))| -element_of_set(X,U)|subset_sets(f10(Vf,U,X),U).
% 1.94/2.14  0 [] element_of_collection(U,top_of_basis(Vf))|element_of_set(f11(Vf,U),U).
% 1.94/2.14  0 [] element_of_collection(U,top_of_basis(Vf))| -element_of_set(f11(Vf,U),Uu11)| -element_of_collection(Uu11,Vf)| -subset_sets(Uu11,U).
% 1.94/2.14  0 [] -subset_sets(X,Y)| -subset_sets(Y,Z)|subset_sets(X,Z).
% 1.94/2.14  0 [] -element_of_set(Z,intersection_of_sets(X,Y))|element_of_set(Z,X).
% 1.94/2.14  0 [] -element_of_set(Z,intersection_of_sets(X,Y))|element_of_set(Z,Y).
% 1.94/2.14  0 [] element_of_set(Z,intersection_of_sets(X,Y))| -element_of_set(Z,X)| -element_of_set(Z,Y).
% 1.94/2.14  0 [] -subset_sets(X,Y)| -subset_sets(U,V)|subset_sets(intersection_of_sets(X,U),intersection_of_sets(Y,V)).
% 1.94/2.14  0 [] -e_qual_sets(X,Y)| -element_of_set(Z,X)|element_of_set(Z,Y).
% 1.94/2.14  0 [] e_qual_sets(intersection_of_sets(X,Y),intersection_of_sets(Y,X)).
% 1.94/2.14  0 [] basis(cx,f).
% 1.94/2.14  0 [] element_of_collection(U,top_of_basis(f)).
% 1.94/2.14  0 [] element_of_collection(V,top_of_basis(f)).
% 1.94/2.14  0 [] -element_of_collection(intersection_of_sets(U,V),top_of_basis(f)).
% 1.94/2.14  end_of_list.
% 1.94/2.14  
% 1.94/2.14  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=6.
% 1.94/2.14  
% 1.94/2.14  This is a non-Horn set without equality.  The strategy will
% 1.94/2.14  be ordered hyper_res, unit deletion, and factoring, with
% 1.94/2.14  satellites in sos and with nuclei in usable.
% 1.94/2.14  
% 1.94/2.14     dependent: set(hyper_res).
% 1.94/2.14     dependent: set(factor).
% 1.94/2.14     dependent: set(unit_deletion).
% 1.94/2.14  
% 1.94/2.14  ------------> process usable:
% 1.94/2.14  ** KEPT (pick-wt=10): 1 [] element_of_set(A,union_of_members(B))| -element_of_set(A,C)| -element_of_collection(C,B).
% 1.94/2.14  ** KEPT (pick-wt=7): 2 [] -basis(A,B)|e_qual_sets(union_of_members(B),A).
% 1.94/2.14  ** KEPT (pick-wt=25): 3 [] -basis(A,B)| -element_of_set(C,A)| -element_of_collection(D,B)| -element_of_collection(E,B)| -element_of_set(C,intersection_of_sets(D,E))|element_of_set(C,f6(A,B,C,D,E)).
% 1.94/2.14  ** KEPT (pick-wt=25): 4 [] -basis(A,B)| -element_of_set(C,A)| -element_of_collection(D,B)| -element_of_collection(E,B)| -element_of_set(C,intersection_of_sets(D,E))|element_of_collection(f6(A,B,C,D,E),B).
% 1.94/2.14  ** KEPT (pick-wt=27): 5 [] -basis(A,B)| -element_of_set(C,A)| -element_of_collection(D,B)| -element_of_collection(E,B)| -element_of_set(C,intersection_of_sets(D,E))|subset_sets(f6(A,B,C,D,E),intersection_of_sets(D,E)).
% 1.94/2.14  ** KEPT (pick-wt=13): 6 [] -element_of_collection(A,top_of_basis(B))| -element_of_set(C,A)|element_of_set(C,f10(B,A,C)).
% 1.94/2.14  ** KEPT (pick-wt=13): 7 [] -element_of_collection(A,top_of_basis(B))| -element_of_set(C,A)|element_of_collection(f10(B,A,C),B).
% 1.94/2.14  ** KEPT (pi
% 1.94/2.14  -------- PROOF -------- 
% 1.94/2.14  ck-wt=13): 8 [] -element_of_collection(A,top_of_basis(B))| -element_of_set(C,A)|subset_sets(f10(B,A,C),A).
% 1.94/2.14  ** KEPT (pick-wt=15): 9 [] element_of_collection(A,top_of_basis(B))| -element_of_set(f11(B,A),C)| -element_of_collection(C,B)| -subset_sets(C,A).
% 1.94/2.14  ** KEPT (pick-wt=9): 10 [] -subset_sets(A,B)| -subset_sets(B,C)|subset_sets(A,C).
% 1.94/2.14  ** KEPT (pick-wt=8): 11 [] -element_of_set(A,intersection_of_sets(B,C))|element_of_set(A,B).
% 1.94/2.14  ** KEPT (pick-wt=8): 12 [] -element_of_set(A,intersection_of_sets(B,C))|element_of_set(A,C).
% 1.94/2.14  ** KEPT (pick-wt=11): 13 [] element_of_set(A,intersection_of_sets(B,C))| -element_of_set(A,B)| -element_of_set(A,C).
% 1.94/2.14  ** KEPT (pick-wt=13): 14 [] -subset_sets(A,B)| -subset_sets(C,D)|subset_sets(intersection_of_sets(A,C),intersection_of_sets(B,D)).
% 1.94/2.14  ** KEPT (pick-wt=9): 15 [] -e_qual_sets(A,B)| -element_of_set(C,A)|element_of_set(C,B).
% 1.94/2.14  ** KEPT (pick-wt=6): 16 [] -element_of_collection(intersection_of_sets(A,B),top_of_basis(f)).
% 1.94/2.14  
% 1.94/2.14  ------------> process sos:
% 1.94/2.14  ** KEPT (pick-wt=9): 28 [] element_of_collection(A,top_of_basis(B))|element_of_set(f11(B,A),A).
% 1.94/2.14  ** KEPT (pick-wt=7): 29 [] e_qual_sets(intersection_of_sets(A,B),intersection_of_sets(B,A)).
% 1.94/2.14  ** KEPT (pick-wt=3): 30 [] basis(cx,f).
% 1.94/2.14  ** KEPT (pick-wt=4): 31 [] element_of_collection(A,top_of_basis(f)).
% 1.94/2.14  
% 1.94/2.14  ----> UNIT CONFLICT at   0.00 sec ----> 32 [binary,31.1,16.1] $F.
% 1.94/2.14  
% 1.94/2.14  Length of proof is 0.  Level of proof is 0.
% 1.94/2.14  
% 1.94/2.14  ---------------- PROOF ----------------
% 1.94/2.14  % SZS status Unsatisfiable
% 1.94/2.14  % SZS output start Refutation
% See solution above
% 1.94/2.14  ------------ end of proof -------------
% 1.94/2.14  
% 1.94/2.14  
% 1.94/2.14  Search stopped by max_proofs option.
% 1.94/2.14  
% 1.94/2.14  
% 1.94/2.14  Search stopped by max_proofs option.
% 1.94/2.14  
% 1.94/2.14  ============ end of search ============
% 1.94/2.14  
% 1.94/2.14  -------------- statistics -------------
% 1.94/2.14  clauses given                  0
% 1.94/2.14  clauses generated             15
% 1.94/2.14  clauses kept                  31
% 1.94/2.14  clauses forward subsumed       3
% 1.94/2.14  clauses back subsumed          0
% 1.94/2.14  Kbytes malloced              976
% 1.94/2.14  
% 1.94/2.14  ----------- times (seconds) -----------
% 1.94/2.14  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.94/2.14  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.94/2.14  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.94/2.14  
% 1.94/2.14  That finishes the proof of the theorem.
% 1.94/2.14  
% 1.94/2.14  Process 20612 finished Wed Jul 27 01:47:33 2022
% 1.94/2.14  Otter interrupted
% 1.94/2.14  PROOF FOUND
%------------------------------------------------------------------------------