TSTP Solution File: PUZ047+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : PUZ047+1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n023.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 13:11:28 EDT 2022

% Result   : Theorem 1.94s 2.11s
% Output   : Refutation 1.94s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   16 (  10 unt;   0 nHn;  16 RR)
%            Number of literals    :   22 (   0 equ;   7 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    8 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-5 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-1 aty)
%            Number of variables   :   11 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( ~ p(north,north,south,north,A)
    | p(south,north,south,north,go_alone(A)) ),
    file('PUZ047+1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ p(north,south,north,south,A)
    | p(south,south,north,south,go_alone(A)) ),
    file('PUZ047+1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ p(south,south,south,north,A)
    | p(north,north,south,north,take_wolf(A)) ),
    file('PUZ047+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ p(south,A,south,B,C)
    | p(north,A,north,B,take_goat(C)) ),
    file('PUZ047+1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ p(north,A,north,B,C)
    | p(south,A,south,B,take_goat(C)) ),
    file('PUZ047+1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ p(south,south,north,south,A)
    | p(north,south,north,north,take_cabbage(A)) ),
    file('PUZ047+1.p',unknown),
    [] ).

cnf(15,axiom,
    ~ p(north,north,north,north,A),
    file('PUZ047+1.p',unknown),
    [] ).

cnf(16,axiom,
    p(south,south,south,south,start),
    file('PUZ047+1.p',unknown),
    [] ).

cnf(17,plain,
    p(north,south,north,south,take_goat(start)),
    inference(hyper,[status(thm)],[16,9]),
    [iquote('hyper,16,9')] ).

cnf(19,plain,
    p(south,south,north,south,go_alone(take_goat(start))),
    inference(hyper,[status(thm)],[17,4]),
    [iquote('hyper,17,4')] ).

cnf(21,plain,
    p(north,south,north,north,take_cabbage(go_alone(take_goat(start)))),
    inference(hyper,[status(thm)],[19,13]),
    [iquote('hyper,19,13')] ).

cnf(27,plain,
    p(south,south,south,north,take_goat(take_cabbage(go_alone(take_goat(start))))),
    inference(hyper,[status(thm)],[21,10]),
    [iquote('hyper,21,10')] ).

cnf(40,plain,
    p(north,north,south,north,take_wolf(take_goat(take_cabbage(go_alone(take_goat(start)))))),
    inference(hyper,[status(thm)],[27,5]),
    [iquote('hyper,27,5')] ).

cnf(68,plain,
    p(south,north,south,north,go_alone(take_wolf(take_goat(take_cabbage(go_alone(take_goat(start))))))),
    inference(hyper,[status(thm)],[40,2]),
    [iquote('hyper,40,2')] ).

cnf(129,plain,
    p(north,north,north,north,take_goat(go_alone(take_wolf(take_goat(take_cabbage(go_alone(take_goat(start)))))))),
    inference(hyper,[status(thm)],[68,9]),
    [iquote('hyper,68,9')] ).

cnf(130,plain,
    $false,
    inference(binary,[status(thm)],[129,15]),
    [iquote('binary,129.1,15.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : PUZ047+1 : TPTP v8.1.0. Released v2.5.0.
% 0.10/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n023.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 02:09:03 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.94/2.11  ----- Otter 3.3f, August 2004 -----
% 1.94/2.11  The process was started by sandbox on n023.cluster.edu,
% 1.94/2.11  Wed Jul 27 02:09:03 2022
% 1.94/2.11  The command was "./otter".  The process ID is 19024.
% 1.94/2.11  
% 1.94/2.11  set(prolog_style_variables).
% 1.94/2.11  set(auto).
% 1.94/2.11     dependent: set(auto1).
% 1.94/2.11     dependent: set(process_input).
% 1.94/2.11     dependent: clear(print_kept).
% 1.94/2.11     dependent: clear(print_new_demod).
% 1.94/2.11     dependent: clear(print_back_demod).
% 1.94/2.11     dependent: clear(print_back_sub).
% 1.94/2.11     dependent: set(control_memory).
% 1.94/2.11     dependent: assign(max_mem, 12000).
% 1.94/2.11     dependent: assign(pick_given_ratio, 4).
% 1.94/2.11     dependent: assign(stats_level, 1).
% 1.94/2.11     dependent: assign(max_seconds, 10800).
% 1.94/2.11  clear(print_given).
% 1.94/2.11  
% 1.94/2.11  formula_list(usable).
% 1.94/2.11  -(p(south,south,south,south,start)& (all T (p(south,north,south,north,T)->p(north,north,south,north,go_alone(T))))& (all T1 (p(north,north,south,north,T1)->p(south,north,south,north,go_alone(T1))))& (all T2 (p(south,south,north,south,T2)->p(north,south,north,south,go_alone(T2))))& (all T3 (p(north,south,north,south,T3)->p(south,south,north,south,go_alone(T3))))& (all T4 (p(south,south,south,north,T4)->p(north,north,south,north,take_wolf(T4))))& (all T5 (p(north,north,south,north,T5)->p(south,south,south,north,take_wolf(T5))))& (all T6 (p(south,south,north,south,T6)->p(north,north,north,south,take_wolf(T6))))& (all T7 (p(north,north,north,south,T7)->p(south,south,north,south,take_wolf(T7))))& (all X Y U (p(south,X,south,Y,U)->p(north,X,north,Y,take_goat(U))))& (all X1 Y1 V (p(north,X1,north,Y1,V)->p(south,X1,south,Y1,take_goat(V))))& (all T8 (p(south,north,south,south,T8)->p(north,north,south,north,take_cabbage(T8))))& (all T9 (p(north,north,south,north,T9)->p(south,north,south,south,take_cabbage(T9))))& (all U1 (p(south,south,north,south,U1)->p(north,south,north,north,take_cabbage(U1))))& (all V1 (p(north,south,north,north,V1)->p(south,south,north,south,take_cabbage(V1))))-> (exists Z p(north,north,north,north,Z))).
% 1.94/2.11  end_of_list.
% 1.94/2.11  
% 1.94/2.11  -------> usable clausifies to:
% 1.94/2.11  
% 1.94/2.11  list(usable).
% 1.94/2.11  0 [] p(south,south,south,south,start).
% 1.94/2.11  0 [] -p(south,north,south,north,T)|p(north,north,south,north,go_alone(T)).
% 1.94/2.11  0 [] -p(north,north,south,north,T1)|p(south,north,south,north,go_alone(T1)).
% 1.94/2.11  0 [] -p(south,south,north,south,T2)|p(north,south,north,south,go_alone(T2)).
% 1.94/2.11  0 [] -p(north,south,north,south,T3)|p(south,south,north,south,go_alone(T3)).
% 1.94/2.11  0 [] -p(south,south,south,north,T4)|p(north,north,south,north,take_wolf(T4)).
% 1.94/2.11  0 [] -p(north,north,south,north,T5)|p(south,south,south,north,take_wolf(T5)).
% 1.94/2.11  0 [] -p(south,south,north,south,T6)|p(north,north,north,south,take_wolf(T6)).
% 1.94/2.11  0 [] -p(north,north,north,south,T7)|p(south,south,north,south,take_wolf(T7)).
% 1.94/2.11  0 [] -p(south,X,south,Y,U)|p(north,X,north,Y,take_goat(U)).
% 1.94/2.11  0 [] -p(north,X1,north,Y1,V)|p(south,X1,south,Y1,take_goat(V)).
% 1.94/2.11  0 [] -p(south,north,south,south,T8)|p(north,north,south,north,take_cabbage(T8)).
% 1.94/2.11  0 [] -p(north,north,south,north,T9)|p(south,north,south,south,take_cabbage(T9)).
% 1.94/2.11  0 [] -p(south,south,north,south,U1)|p(north,south,north,north,take_cabbage(U1)).
% 1.94/2.11  0 [] -p(north,south,north,north,V1)|p(south,south,north,south,take_cabbage(V1)).
% 1.94/2.11  0 [] -p(north,north,north,north,Z).
% 1.94/2.11  end_of_list.
% 1.94/2.11  
% 1.94/2.11  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=2.
% 1.94/2.11  
% 1.94/2.11  This is a Horn set without equality.  The strategy will
% 1.94/2.11  be hyperresolution, with satellites in sos and nuclei
% 1.94/2.11  in usable.
% 1.94/2.11  
% 1.94/2.11     dependent: set(hyper_res).
% 1.94/2.11     dependent: clear(order_hyper).
% 1.94/2.11  
% 1.94/2.11  ------------> process usable:
% 1.94/2.11  ** KEPT (pick-wt=13): 1 [] -p(south,north,south,north,A)|p(north,north,south,north,go_alone(A)).
% 1.94/2.11  ** KEPT (pick-wt=13): 2 [] -p(north,north,south,north,A)|p(south,north,south,north,go_alone(A)).
% 1.94/2.11  ** KEPT (pick-wt=13): 3 [] -p(south,south,north,south,A)|p(north,south,north,south,go_alone(A)).
% 1.94/2.11  ** KEPT (pick-wt=13): 4 [] -p(north,south,north,south,A)|p(south,south,north,south,go_alone(A)).
% 1.94/2.11  ** KEPT (pick-wt=13): 5 [] -p(south,south,south,north,A)|p(north,north,south,north,take_wolf(A)).
% 1.94/2.11  ** KEPT (pick-wt=13): 6 [] -p(north,north,south,north,A)|p(south,south,south,north,take_wolf(A)).
% 1.94/2.11  ** KEPT (pick-wt=13): 7 [] -p(south,south,north,south,A)|p(north,north,north,south,take_wolf(A)).
% 1.94/2.11  ** KEPT (pick-wt=13): 8 [] -p(north,north,north,south,A)|p(south,south,north,south,take_wolf(A)).
% 1.94/2.11  ** KEPT (pick-wt=13): 9 [] -p(south,A,south,B,C)|p(north,A,north,B,take_goat(C)).
% 1.94/2.11  ** KEPT (pick-wt=13): 10 [] -p(north,A,north,B,C)|p(south,A,south,B,take_goat(C)).
% 1.94/2.11  ** KEPT (pick-wt=13): 11 [] -p(south,north,south,south,A)|p(north,north,south,north,take_cabbage(A)).
% 1.94/2.11  ** KEPT (pick-wt=13): 12 [] -p(north,north,south,north,A)|p(south,north,south,south,take_cabbage(A)).
% 1.94/2.11  ** KEPT (pick-wt=13): 13 [] -p(south,south,north,south,A)|p(north,south,north,north,take_cabbage(A)).
% 1.94/2.11  ** KEPT (pick-wt=13): 14 [] -p(north,south,north,north,A)|p(south,south,north,south,take_cabbage(A)).
% 1.94/2.11  ** KEPT (pick-wt=6): 15 [] -p(north,north,north,north,A).
% 1.94/2.11  
% 1.94/2.11  ------------> process sos:
% 1.94/2.11  ** KEPT (pick-wt=6): 16 [] p(south,south,south,south,start).
% 1.94/2.11  
% 1.94/2.11  ======= end of input processing =======
% 1.94/2.11  
% 1.94/2.11  =========== start of search ===========
% 1.94/2.11  
% 1.94/2.11  -------- PROOF -------- 
% 1.94/2.11  
% 1.94/2.11  ----> UNIT CONFLICT at   0.00 sec ----> 130 [binary,129.1,15.1] $F.
% 1.94/2.11  
% 1.94/2.11  Length of proof is 7.  Level of proof is 7.
% 1.94/2.11  
% 1.94/2.11  ---------------- PROOF ----------------
% 1.94/2.11  % SZS status Theorem
% 1.94/2.11  % SZS output start Refutation
% See solution above
% 1.94/2.11  ------------ end of proof -------------
% 1.94/2.11  
% 1.94/2.11  
% 1.94/2.11  Search stopped by max_proofs option.
% 1.94/2.11  
% 1.94/2.11  
% 1.94/2.11  Search stopped by max_proofs option.
% 1.94/2.11  
% 1.94/2.11  ============ end of search ============
% 1.94/2.11  
% 1.94/2.11  -------------- statistics -------------
% 1.94/2.11  clauses given                 53
% 1.94/2.11  clauses generated            113
% 1.94/2.11  clauses kept                 129
% 1.94/2.11  clauses forward subsumed       0
% 1.94/2.11  clauses back subsumed          0
% 1.94/2.11  Kbytes malloced             1953
% 1.94/2.11  
% 1.94/2.11  ----------- times (seconds) -----------
% 1.94/2.11  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.94/2.11  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.94/2.11  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.94/2.11  
% 1.94/2.11  That finishes the proof of the theorem.
% 1.94/2.11  
% 1.94/2.11  Process 19024 finished Wed Jul 27 02:09:05 2022
% 1.94/2.11  Otter interrupted
% 1.94/2.11  PROOF FOUND
%------------------------------------------------------------------------------