TSTP Solution File: LCL186-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LCL186-1 : TPTP v8.1.0. Released v1.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n028.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 13:03:49 EDT 2022

% Result   : Unsatisfiable 1.76s 1.93s
% Output   : Refutation 1.76s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   11 (   9 unt;   0 nHn;   4 RR)
%            Number of literals    :   14 (   0 equ;   4 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   15 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( theorem(A)
    | ~ axiom(A) ),
    file('LCL186-1.p',unknown),
    [] ).

cnf(3,axiom,
    ( theorem(or(not(A),B))
    | ~ axiom(or(not(A),C))
    | ~ theorem(or(not(C),B)) ),
    file('LCL186-1.p',unknown),
    [] ).

cnf(4,axiom,
    ~ theorem(or(not(not(p)),or(not(p),q))),
    file('LCL186-1.p',unknown),
    [] ).

cnf(5,axiom,
    axiom(or(not(or(A,A)),A)),
    file('LCL186-1.p',unknown),
    [] ).

cnf(6,axiom,
    axiom(or(not(A),or(B,A))),
    file('LCL186-1.p',unknown),
    [] ).

cnf(7,axiom,
    axiom(or(not(or(A,B)),or(B,A))),
    file('LCL186-1.p',unknown),
    [] ).

cnf(10,plain,
    theorem(or(not(or(A,A)),A)),
    inference(hyper,[status(thm)],[5,1]),
    [iquote('hyper,5,1')] ).

cnf(12,plain,
    theorem(or(not(A),A)),
    inference(hyper,[status(thm)],[10,3,6]),
    [iquote('hyper,10,3,6')] ).

cnf(19,plain,
    theorem(or(not(or(A,B)),or(B,A))),
    inference(hyper,[status(thm)],[7,3,12]),
    [iquote('hyper,7,3,12')] ).

cnf(92,plain,
    theorem(or(not(A),or(A,B))),
    inference(hyper,[status(thm)],[19,3,6]),
    [iquote('hyper,19,3,6')] ).

cnf(93,plain,
    $false,
    inference(binary,[status(thm)],[92,4]),
    [iquote('binary,92.1,4.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL186-1 : TPTP v8.1.0. Released v1.1.0.
% 0.07/0.13  % Command  : otter-tptp-script %s
% 0.13/0.34  % Computer : n028.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Wed Jul 27 09:28:49 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.76/1.93  ----- Otter 3.3f, August 2004 -----
% 1.76/1.93  The process was started by sandbox on n028.cluster.edu,
% 1.76/1.93  Wed Jul 27 09:28:49 2022
% 1.76/1.93  The command was "./otter".  The process ID is 12526.
% 1.76/1.93  
% 1.76/1.93  set(prolog_style_variables).
% 1.76/1.93  set(auto).
% 1.76/1.93     dependent: set(auto1).
% 1.76/1.93     dependent: set(process_input).
% 1.76/1.93     dependent: clear(print_kept).
% 1.76/1.93     dependent: clear(print_new_demod).
% 1.76/1.93     dependent: clear(print_back_demod).
% 1.76/1.93     dependent: clear(print_back_sub).
% 1.76/1.93     dependent: set(control_memory).
% 1.76/1.93     dependent: assign(max_mem, 12000).
% 1.76/1.93     dependent: assign(pick_given_ratio, 4).
% 1.76/1.93     dependent: assign(stats_level, 1).
% 1.76/1.93     dependent: assign(max_seconds, 10800).
% 1.76/1.93  clear(print_given).
% 1.76/1.93  
% 1.76/1.93  list(usable).
% 1.76/1.93  0 [] axiom(or(not(or(A,A)),A)).
% 1.76/1.93  0 [] axiom(or(not(A),or(B,A))).
% 1.76/1.93  0 [] axiom(or(not(or(A,B)),or(B,A))).
% 1.76/1.93  0 [] axiom(or(not(or(A,or(B,C))),or(B,or(A,C)))).
% 1.76/1.93  0 [] axiom(or(not(or(not(A),B)),or(not(or(C,A)),or(C,B)))).
% 1.76/1.93  0 [] theorem(X)| -axiom(X).
% 1.76/1.93  0 [] theorem(X)| -axiom(or(not(Y),X))| -theorem(Y).
% 1.76/1.93  0 [] theorem(or(not(X),Z))| -axiom(or(not(X),Y))| -theorem(or(not(Y),Z)).
% 1.76/1.93  0 [] -theorem(or(not(not(p)),or(not(p),q))).
% 1.76/1.93  end_of_list.
% 1.76/1.93  
% 1.76/1.93  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=3.
% 1.76/1.93  
% 1.76/1.93  This is a Horn set without equality.  The strategy will
% 1.76/1.93  be hyperresolution, with satellites in sos and nuclei
% 1.76/1.93  in usable.
% 1.76/1.93  
% 1.76/1.93     dependent: set(hyper_res).
% 1.76/1.93     dependent: clear(order_hyper).
% 1.76/1.93  
% 1.76/1.93  ------------> process usable:
% 1.76/1.93  ** KEPT (pick-wt=4): 1 [] theorem(A)| -axiom(A).
% 1.76/1.93  ** KEPT (pick-wt=9): 2 [] theorem(A)| -axiom(or(not(B),A))| -theorem(B).
% 1.76/1.93  ** KEPT (pick-wt=15): 3 [] theorem(or(not(A),B))| -axiom(or(not(A),C))| -theorem(or(not(C),B)).
% 1.76/1.93  ** KEPT (pick-wt=9): 4 [] -theorem(or(not(not(p)),or(not(p),q))).
% 1.76/1.93  
% 1.76/1.93  ------------> process sos:
% 1.76/1.93  ** KEPT (pick-wt=7): 5 [] axiom(or(not(or(A,A)),A)).
% 1.76/1.93  ** KEPT (pick-wt=7): 6 [] axiom(or(not(A),or(B,A))).
% 1.76/1.93  ** KEPT (pick-wt=9): 7 [] axiom(or(not(or(A,B)),or(B,A))).
% 1.76/1.93  ** KEPT (pick-wt=13): 8 [] axiom(or(not(or(A,or(B,C))),or(B,or(A,C)))).
% 1.76/1.93  ** KEPT (pick-wt=15): 9 [] axiom(or(not(or(not(A),B)),or(not(or(C,A)),or(C,B)))).
% 1.76/1.93  
% 1.76/1.93  ======= end of input processing =======
% 1.76/1.93  
% 1.76/1.93  =========== start of search ===========
% 1.76/1.93  
% 1.76/1.93  -------- PROOF -------- 
% 1.76/1.93  
% 1.76/1.93  ----> UNIT CONFLICT at   0.00 sec ----> 93 [binary,92.1,4.1] $F.
% 1.76/1.93  
% 1.76/1.93  Length of proof is 4.  Level of proof is 4.
% 1.76/1.93  
% 1.76/1.93  ---------------- PROOF ----------------
% 1.76/1.93  % SZS status Unsatisfiable
% 1.76/1.93  % SZS output start Refutation
% See solution above
% 1.76/1.93  ------------ end of proof -------------
% 1.76/1.93  
% 1.76/1.93  
% 1.76/1.93  Search stopped by max_proofs option.
% 1.76/1.93  
% 1.76/1.93  
% 1.76/1.93  Search stopped by max_proofs option.
% 1.76/1.93  
% 1.76/1.93  ============ end of search ============
% 1.76/1.93  
% 1.76/1.93  -------------- statistics -------------
% 1.76/1.93  clauses given                 23
% 1.76/1.93  clauses generated            138
% 1.76/1.93  clauses kept                  92
% 1.76/1.93  clauses forward subsumed      55
% 1.76/1.93  clauses back subsumed          2
% 1.76/1.93  Kbytes malloced              976
% 1.76/1.93  
% 1.76/1.93  ----------- times (seconds) -----------
% 1.76/1.93  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.76/1.93  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.76/1.93  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.76/1.93  
% 1.76/1.93  That finishes the proof of the theorem.
% 1.76/1.93  
% 1.76/1.93  Process 12526 finished Wed Jul 27 09:28:50 2022
% 1.76/1.93  Otter interrupted
% 1.76/1.93  PROOF FOUND
%------------------------------------------------------------------------------