TSTP Solution File: COM002-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : COM002-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n020.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 12:48:20 EDT 2022

% Result   : Unsatisfiable 1.92s 2.09s
% Output   : Refutation 1.92s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   16 (  10 unt;   4 nHn;  12 RR)
%            Number of literals    :   24 (   0 equ;   6 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   5 con; 0-1 aty)
%            Number of variables   :   11 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ fails(A,B)
    | ~ follows(A,B) ),
    file('COM002-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ fails(A,B)
    | fails(A,C)
    | fails(C,B) ),
    file('COM002-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ fails(A,B)
    | ~ has(B,goto(C))
    | ~ labels(C,A) ),
    file('COM002-2.p',unknown),
    [] ).

cnf(8,axiom,
    labels(loop,p3),
    file('COM002-2.p',unknown),
    [] ).

cnf(13,axiom,
    follows(p6,p3),
    file('COM002-2.p',unknown),
    [] ).

cnf(15,axiom,
    follows(p7,p6),
    file('COM002-2.p',unknown),
    [] ).

cnf(17,axiom,
    follows(p8,p7),
    file('COM002-2.p',unknown),
    [] ).

cnf(18,axiom,
    has(p8,goto(loop)),
    file('COM002-2.p',unknown),
    [] ).

cnf(19,axiom,
    fails(p3,p3),
    file('COM002-2.p',unknown),
    [] ).

cnf(20,plain,
    ( fails(p3,A)
    | fails(A,p3) ),
    inference(hyper,[status(thm)],[19,2]),
    [iquote('hyper,19,2')] ).

cnf(21,plain,
    fails(p8,p3),
    inference(hyper,[status(thm)],[20,3,18,8]),
    [iquote('hyper,20,3,18,8')] ).

cnf(26,plain,
    ( fails(p8,A)
    | fails(A,p3) ),
    inference(hyper,[status(thm)],[21,2]),
    [iquote('hyper,21,2')] ).

cnf(31,plain,
    fails(p7,p3),
    inference(hyper,[status(thm)],[26,1,17]),
    [iquote('hyper,26,1,17')] ).

cnf(34,plain,
    ( fails(p7,A)
    | fails(A,p3) ),
    inference(hyper,[status(thm)],[31,2]),
    [iquote('hyper,31,2')] ).

cnf(54,plain,
    fails(p6,p3),
    inference(hyper,[status(thm)],[34,1,15]),
    [iquote('hyper,34,1,15')] ).

cnf(58,plain,
    $false,
    inference(hyper,[status(thm)],[54,1,13]),
    [iquote('hyper,54,1,13')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : COM002-2 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n020.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 06:38:38 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.92/2.09  ----- Otter 3.3f, August 2004 -----
% 1.92/2.09  The process was started by sandbox2 on n020.cluster.edu,
% 1.92/2.09  Wed Jul 27 06:38:38 2022
% 1.92/2.09  The command was "./otter".  The process ID is 7302.
% 1.92/2.09  
% 1.92/2.09  set(prolog_style_variables).
% 1.92/2.09  set(auto).
% 1.92/2.09     dependent: set(auto1).
% 1.92/2.09     dependent: set(process_input).
% 1.92/2.09     dependent: clear(print_kept).
% 1.92/2.09     dependent: clear(print_new_demod).
% 1.92/2.09     dependent: clear(print_back_demod).
% 1.92/2.09     dependent: clear(print_back_sub).
% 1.92/2.09     dependent: set(control_memory).
% 1.92/2.09     dependent: assign(max_mem, 12000).
% 1.92/2.09     dependent: assign(pick_given_ratio, 4).
% 1.92/2.09     dependent: assign(stats_level, 1).
% 1.92/2.09     dependent: assign(max_seconds, 10800).
% 1.92/2.09  clear(print_given).
% 1.92/2.09  
% 1.92/2.09  list(usable).
% 1.92/2.09  0 [] -fails(Goal_state,Start_state)| -follows(Goal_state,Start_state).
% 1.92/2.09  0 [] -fails(Goal_state,Start_state)|fails(Goal_state,Intermediate_state)|fails(Intermediate_state,Start_state).
% 1.92/2.09  0 [] -fails(Goal_state,Start_state)| -has(Start_state,goto(Label))| -labels(Label,Goal_state).
% 1.92/2.09  0 [] -fails(Goal_state,Start_state)| -has(Start_state,ifthen(Condition,Goal_state)).
% 1.92/2.09  0 [] has(p1,assign(register_j,n0)).
% 1.92/2.09  0 [] follows(p2,p1).
% 1.92/2.09  0 [] has(p2,assign(register_k,n1)).
% 1.92/2.09  0 [] labels(loop,p3).
% 1.92/2.09  0 [] follows(p3,p2).
% 1.92/2.09  0 [] has(p3,ifthen(e_qual_function(register_j,n),p4)).
% 1.92/2.09  0 [] has(p4,goto(out)).
% 1.92/2.09  0 [] follows(p5,p4).
% 1.92/2.09  0 [] follows(p6,p3).
% 1.92/2.09  0 [] has(p6,assign(register_k,times(n2,register_k))).
% 1.92/2.09  0 [] follows(p7,p6).
% 1.92/2.09  0 [] has(p7,assign(register_j,plus(register_j,n1))).
% 1.92/2.09  0 [] follows(p8,p7).
% 1.92/2.09  0 [] has(p8,goto(loop)).
% 1.92/2.09  0 [] fails(p3,p3).
% 1.92/2.09  end_of_list.
% 1.92/2.09  
% 1.92/2.09  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=3.
% 1.92/2.09  
% 1.92/2.09  This is a non-Horn set without equality.  The strategy will
% 1.92/2.09  be ordered hyper_res, unit deletion, and factoring, with
% 1.92/2.09  satellites in sos and with nuclei in usable.
% 1.92/2.09  
% 1.92/2.09     dependent: set(hyper_res).
% 1.92/2.09     dependent: set(factor).
% 1.92/2.09     dependent: set(unit_deletion).
% 1.92/2.09  
% 1.92/2.09  ------------> process usable:
% 1.92/2.09  ** KEPT (pick-wt=6): 1 [] -fails(A,B)| -follows(A,B).
% 1.92/2.09  ** KEPT (pick-wt=9): 2 [] -fails(A,B)|fails(A,C)|fails(C,B).
% 1.92/2.09  ** KEPT (pick-wt=10): 3 [] -fails(A,B)| -has(B,goto(C))| -labels(C,A).
% 1.92/2.09  ** KEPT (pick-wt=8): 4 [] -fails(A,B)| -has(B,ifthen(C,A)).
% 1.92/2.09  
% 1.92/2.09  ------------> process sos:
% 1.92/2.09  ** KEPT (pick-wt=5): 5 [] has(p1,assign(register_j,n0)).
% 1.92/2.09  ** KEPT (pick-wt=3): 6 [] follows(p2,p1).
% 1.92/2.09  ** KEPT (pick-wt=5): 7 [] has(p2,assign(register_k,n1)).
% 1.92/2.09  ** KEPT (pick-wt=3): 8 [] labels(loop,p3).
% 1.92/2.09  ** KEPT (pick-wt=3): 9 [] follows(p3,p2).
% 1.92/2.09  ** KEPT (pick-wt=7): 10 [] has(p3,ifthen(e_qual_function(register_j,n),p4)).
% 1.92/2.09  ** KEPT (pick-wt=4): 11 [] has(p4,goto(out)).
% 1.92/2.09  ** KEPT (pick-wt=3): 12 [] follows(p5,p4).
% 1.92/2.09  ** KEPT (pick-wt=3): 13 [] follows(p6,p3).
% 1.92/2.09  ** KEPT (pick-wt=7): 14 [] has(p6,assign(register_k,times(n2,register_k))).
% 1.92/2.09  ** KEPT (pick-wt=3): 15 [] follows(p7,p6).
% 1.92/2.09  ** KEPT (pick-wt=7): 16 [] has(p7,assign(register_j,plus(register_j,n1))).
% 1.92/2.09  ** KEPT (pick-wt=3): 17 [] follows(p8,p7).
% 1.92/2.09  ** KEPT (pick-wt=4): 18 [] has(p8,goto(loop)).
% 1.92/2.09  ** KEPT (pick-wt=3): 19 [] fails(p3,p3).
% 1.92/2.09  
% 1.92/2.09  ======= end of input processing =======
% 1.92/2.09  
% 1.92/2.09  =========== start of search ===========
% 1.92/2.09  
% 1.92/2.09  -------- PROOF -------- 
% 1.92/2.09  
% 1.92/2.09  -----> EMPTY CLAUSE at   0.00 sec ----> 58 [hyper,54,1,13] $F.
% 1.92/2.09  
% 1.92/2.09  Length of proof is 6.  Level of proof is 6.
% 1.92/2.09  
% 1.92/2.09  ---------------- PROOF ----------------
% 1.92/2.09  % SZS status Unsatisfiable
% 1.92/2.09  % SZS output start Refutation
% See solution above
% 1.92/2.09  ------------ end of proof -------------
% 1.92/2.09  
% 1.92/2.09  
% 1.92/2.09  Search stopped by max_proofs option.
% 1.92/2.09  
% 1.92/2.09  
% 1.92/2.09  Search stopped by max_proofs option.
% 1.92/2.09  
% 1.92/2.09  ============ end of search ============
% 1.92/2.09  
% 1.92/2.09  -------------- statistics -------------
% 1.92/2.09  clauses given                 35
% 1.92/2.09  clauses generated             87
% 1.92/2.09  clauses kept                  57
% 1.92/2.09  clauses forward subsumed      47
% 1.92/2.09  clauses back subsumed          2
% 1.92/2.09  Kbytes malloced              976
% 1.92/2.09  
% 1.92/2.09  ----------- times (seconds) -----------
% 1.92/2.09  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.92/2.09  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.92/2.09  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.92/2.09  
% 1.92/2.09  That finishes the proof of the theorem.
% 1.92/2.09  
% 1.92/2.09  Process 7302 finished Wed Jul 27 06:38:40 2022
% 1.92/2.09  Otter interrupted
% 1.92/2.09  PROOF FOUND
%------------------------------------------------------------------------------