TSTP Solution File: COL032-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : COL032-1 : 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 12:48:02 EDT 2022

% Result   : Unsatisfiable 1.66s 1.88s
% Output   : Refutation 1.66s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    3
% Syntax   : Number of clauses     :    9 (   9 unt;   0 nHn;   4 RR)
%            Number of literals    :    9 (   8 equ;   3 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   13 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    apply(A,f(A)) != apply(f(A),apply(A,f(A))),
    file('COL032-1.p',unknown),
    [] ).

cnf(2,plain,
    apply(f(A),apply(A,f(A))) != apply(A,f(A)),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[1])]),
    [iquote('copy,1,flip.1')] ).

cnf(4,axiom,
    apply(m,A) = apply(A,A),
    file('COL032-1.p',unknown),
    [] ).

cnf(6,axiom,
    apply(apply(apply(q,A),B),C) = apply(B,apply(A,C)),
    file('COL032-1.p',unknown),
    [] ).

cnf(7,plain,
    apply(A,A) = apply(m,A),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[4])]),
    [iquote('copy,4,flip.1')] ).

cnf(13,plain,
    apply(m,apply(apply(q,A),B)) = apply(B,apply(A,apply(apply(q,A),B))),
    inference(para_into,[status(thm),theory(equality)],[6,7]),
    [iquote('para_into,5.1.1,7.1.1')] ).

cnf(14,plain,
    apply(A,apply(B,apply(apply(q,B),A))) = apply(m,apply(apply(q,B),A)),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[13])]),
    [iquote('copy,13,flip.1')] ).

cnf(15,plain,
    apply(f(apply(apply(q,A),B)),apply(B,apply(A,f(apply(apply(q,A),B))))) != apply(B,apply(A,f(apply(apply(q,A),B)))),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[6,2]),6]),
    [iquote('para_from,5.1.1,2.1.1.2,demod,6')] ).

cnf(16,plain,
    $false,
    inference(binary,[status(thm)],[15,14]),
    [iquote('binary,15.1,14.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : COL032-1 : 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 02:23:56 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.66/1.88  ----- Otter 3.3f, August 2004 -----
% 1.66/1.88  The process was started by sandbox on n003.cluster.edu,
% 1.66/1.88  Wed Jul 27 02:23:56 2022
% 1.66/1.88  The command was "./otter".  The process ID is 21446.
% 1.66/1.88  
% 1.66/1.88  set(prolog_style_variables).
% 1.66/1.88  set(auto).
% 1.66/1.88     dependent: set(auto1).
% 1.66/1.88     dependent: set(process_input).
% 1.66/1.88     dependent: clear(print_kept).
% 1.66/1.88     dependent: clear(print_new_demod).
% 1.66/1.88     dependent: clear(print_back_demod).
% 1.66/1.88     dependent: clear(print_back_sub).
% 1.66/1.88     dependent: set(control_memory).
% 1.66/1.88     dependent: assign(max_mem, 12000).
% 1.66/1.88     dependent: assign(pick_given_ratio, 4).
% 1.66/1.88     dependent: assign(stats_level, 1).
% 1.66/1.88     dependent: assign(max_seconds, 10800).
% 1.66/1.88  clear(print_given).
% 1.66/1.88  
% 1.66/1.88  list(usable).
% 1.66/1.88  0 [] A=A.
% 1.66/1.88  0 [] apply(m,X)=apply(X,X).
% 1.66/1.88  0 [] apply(apply(apply(q,X),Y),Z)=apply(Y,apply(X,Z)).
% 1.66/1.88  0 [] apply(Y,f(Y))!=apply(f(Y),apply(Y,f(Y))).
% 1.66/1.88  end_of_list.
% 1.66/1.88  
% 1.66/1.88  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 1.66/1.88  
% 1.66/1.88  All clauses are units, and equality is present; the
% 1.66/1.88  strategy will be Knuth-Bendix with positive clauses in sos.
% 1.66/1.88  
% 1.66/1.88     dependent: set(knuth_bendix).
% 1.66/1.88     dependent: set(anl_eq).
% 1.66/1.88     dependent: set(para_from).
% 1.66/1.88     dependent: set(para_into).
% 1.66/1.88     dependent: clear(para_from_right).
% 1.66/1.88     dependent: clear(para_into_right).
% 1.66/1.88     dependent: set(para_from_vars).
% 1.66/1.88     dependent: set(eq_units_both_ways).
% 1.66/1.88     dependent: set(dynamic_demod_all).
% 1.66/1.88     dependent: set(dynamic_demod).
% 1.66/1.88     dependent: set(order_eq).
% 1.66/1.88     dependent: set(back_demod).
% 1.66/1.88     dependent: set(lrpo).
% 1.66/1.88  
% 1.66/1.88  ------------> process usable:
% 1.66/1.88  ** KEPT (pick-wt=12): 2 [copy,1,flip.1] apply(f(A),apply(A,f(A)))!=apply(A,f(A)).
% 1.66/1.88  
% 1.66/1.88  ------------> process sos:
% 1.66/1.88  ** KEPT (pick-wt=3): 3 [] A=A.
% 1.66/1.88  ** KEPT (pick-wt=7): 4 [] apply(m,A)=apply(A,A).
% 1.66/1.88  ** KEPT (pick-wt=13): 5 [] apply(apply(apply(q,A),B),C)=apply(B,apply(A,C)).
% 1.66/1.88  ---> New Demodulator: 6 [new_demod,5] apply(apply(apply(q,A),B),C)=apply(B,apply(A,C)).
% 1.66/1.88    Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] A=A.
% 1.66/1.88  ** KEPT (pick-wt=7): 7 [copy,4,flip.1] apply(A,A)=apply(m,A).
% 1.66/1.88  >>>> Starting back demodulation with 6.
% 1.66/1.88    Following clause subsumed by 4 during input processing: 0 [copy,7,flip.1] apply(m,A)=apply(A,A).
% 1.66/1.88  
% 1.66/1.88  ======= end of input processing =======
% 1.66/1.88  
% 1.66/1.88  =========== start of search ===========
% 1.66/1.88  
% 1.66/1.88  -------- PROOF -------- 
% 1.66/1.88  
% 1.66/1.88  ----> UNIT CONFLICT at   0.00 sec ----> 16 [binary,15.1,14.1] $F.
% 1.66/1.88  
% 1.66/1.88  Length of proof is 5.  Level of proof is 3.
% 1.66/1.88  
% 1.66/1.88  ---------------- PROOF ----------------
% 1.66/1.88  % SZS status Unsatisfiable
% 1.66/1.88  % SZS output start Refutation
% See solution above
% 1.66/1.88  ------------ end of proof -------------
% 1.66/1.88  
% 1.66/1.88  
% 1.66/1.88  Search stopped by max_proofs option.
% 1.66/1.88  
% 1.66/1.88  
% 1.66/1.88  Search stopped by max_proofs option.
% 1.66/1.88  
% 1.66/1.88  ============ end of search ============
% 1.66/1.88  
% 1.66/1.88  -------------- statistics -------------
% 1.66/1.88  clauses given                  4
% 1.66/1.88  clauses generated             14
% 1.66/1.88  clauses kept                  11
% 1.66/1.88  clauses forward subsumed      12
% 1.66/1.88  clauses back subsumed          0
% 1.66/1.88  Kbytes malloced              976
% 1.66/1.88  
% 1.66/1.88  ----------- times (seconds) -----------
% 1.66/1.88  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.66/1.88  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.66/1.88  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.66/1.88  
% 1.66/1.88  That finishes the proof of the theorem.
% 1.66/1.88  
% 1.66/1.88  Process 21446 finished Wed Jul 27 02:23:58 2022
% 1.66/1.88  Otter interrupted
% 1.66/1.88  PROOF FOUND
%------------------------------------------------------------------------------