TSTP Solution File: PUZ056-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : PUZ056-1 : TPTP v8.1.0. Released v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n009.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   : Unsatisfiable 1.80s 1.96s
% Output   : Refutation 1.80s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   35 (  34 unt;   0 nHn;  19 RR)
%            Number of literals    :   37 (  12 equ;  10 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   6 con; 0-2 aty)
%            Number of variables   :   35 (   5 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ state(nextto(pin(n1),nextto(pin(n2),on(small,on(medium,on(large,pin(n3))))))),
    file('PUZ056-1.p',unknown),
    [] ).

cnf(2,axiom,
    ( nextto(on(A,B),C) = nextto(B,on(A,C))
    | ~ fits(A,C)
    | ~ fits(A,B) ),
    file('PUZ056-1.p',unknown),
    [] ).

cnf(4,axiom,
    state(nextto(on(small,on(medium,on(large,pin(n1)))),nextto(pin(n2),pin(n3)))),
    file('PUZ056-1.p',unknown),
    [] ).

cnf(5,axiom,
    nextto(A,B) = nextto(B,A),
    file('PUZ056-1.p',unknown),
    [] ).

cnf(6,axiom,
    nextto(A,nextto(B,C)) = nextto(nextto(A,B),C),
    file('PUZ056-1.p',unknown),
    [] ).

cnf(8,plain,
    nextto(nextto(A,B),C) = nextto(A,nextto(B,C)),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[6])]),
    [iquote('copy,6,flip.1')] ).

cnf(9,axiom,
    fits(small,pin(A)),
    file('PUZ056-1.p',unknown),
    [] ).

cnf(10,axiom,
    fits(medium,pin(A)),
    file('PUZ056-1.p',unknown),
    [] ).

cnf(11,axiom,
    fits(large,pin(A)),
    file('PUZ056-1.p',unknown),
    [] ).

cnf(12,axiom,
    fits(small,on(medium,A)),
    file('PUZ056-1.p',unknown),
    [] ).

cnf(13,axiom,
    fits(medium,on(large,A)),
    file('PUZ056-1.p',unknown),
    [] ).

cnf(19,plain,
    nextto(on(large,pin(A)),pin(B)) = nextto(pin(A),on(large,pin(B))),
    inference(hyper,[status(thm)],[11,2,11]),
    [iquote('hyper,11,2,11')] ).

cnf(22,plain,
    nextto(on(small,on(medium,A)),pin(B)) = nextto(on(medium,A),on(small,pin(B))),
    inference(hyper,[status(thm)],[12,2,9]),
    [iquote('hyper,12,2,9')] ).

cnf(25,plain,
    nextto(on(medium,A),on(small,pin(B))) = nextto(on(small,on(medium,A)),pin(B)),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[22])]),
    [iquote('copy,22,flip.1')] ).

cnf(29,plain,
    nextto(on(medium,on(large,A)),pin(B)) = nextto(on(large,A),on(medium,pin(B))),
    inference(hyper,[status(thm)],[13,2,10]),
    [iquote('hyper,13,2,10')] ).

cnf(47,plain,
    ~ state(nextto(pin(n2),nextto(on(small,on(medium,on(large,pin(n3)))),pin(n1)))),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[5,1]),8]),
    [iquote('para_from,5.1.1,1.1.1,demod,8')] ).

cnf(49,plain,
    nextto(A,nextto(B,C)) = nextto(B,nextto(A,C)),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[8,5]),8]),
    [iquote('para_into,7.1.1.1,5.1.1,demod,8')] ).

cnf(51,plain,
    nextto(A,nextto(B,C)) = nextto(B,nextto(C,A)),
    inference(para_into,[status(thm),theory(equality)],[8,5]),
    [iquote('para_into,7.1.1,5.1.1')] ).

cnf(63,plain,
    state(nextto(pin(n2),nextto(on(small,on(medium,on(large,pin(n1)))),pin(n3)))),
    inference(para_from,[status(thm),theory(equality)],[49,4]),
    [iquote('para_from,49.1.1,4.1.1')] ).

cnf(70,plain,
    nextto(A,nextto(B,C)) = nextto(C,nextto(B,A)),
    inference(para_into,[status(thm),theory(equality)],[51,5]),
    [iquote('para_into,51.1.1.2,5.1.1')] ).

cnf(142,plain,
    nextto(pin(A),on(large,pin(B))) = nextto(pin(B),on(large,pin(A))),
    inference(para_into,[status(thm),theory(equality)],[19,5]),
    [iquote('para_into,19.1.1,5.1.1')] ).

cnf(267,plain,
    state(nextto(pin(n2),nextto(on(medium,on(large,pin(n1))),on(small,pin(n3))))),
    inference(para_from,[status(thm),theory(equality)],[22,63]),
    [iquote('para_from,22.1.1,63.1.1.2')] ).

cnf(271,plain,
    ~ state(nextto(pin(n2),nextto(on(medium,on(large,pin(n3))),on(small,pin(n1))))),
    inference(para_from,[status(thm),theory(equality)],[22,47]),
    [iquote('para_from,22.1.1,47.1.1.2')] ).

cnf(1656,plain,
    state(nextto(on(small,pin(n3)),nextto(on(medium,on(large,pin(n1))),pin(n2)))),
    inference(para_into,[status(thm),theory(equality)],[267,70]),
    [iquote('para_into,267.1.1,70.1.1')] ).

cnf(1716,plain,
    ~ state(nextto(on(small,pin(n1)),nextto(on(medium,on(large,pin(n3))),pin(n2)))),
    inference(para_into,[status(thm),theory(equality)],[271,70]),
    [iquote('para_into,271.1.1,70.1.1')] ).

cnf(1779,plain,
    state(nextto(on(small,pin(n3)),nextto(on(large,pin(n1)),on(medium,pin(n2))))),
    inference(para_into,[status(thm),theory(equality)],[1656,29]),
    [iquote('para_into,1656.1.1.2,29.1.1')] ).

cnf(1897,plain,
    ~ state(nextto(on(small,pin(n1)),nextto(on(large,pin(n3)),on(medium,pin(n2))))),
    inference(para_into,[status(thm),theory(equality)],[1716,29]),
    [iquote('para_into,1716.1.1.2,29.1.1')] ).

cnf(2024,plain,
    state(nextto(on(large,pin(n1)),nextto(on(medium,pin(n2)),on(small,pin(n3))))),
    inference(para_into,[status(thm),theory(equality)],[1779,51]),
    [iquote('para_into,1779.1.1,51.1.1')] ).

cnf(2096,plain,
    ~ state(nextto(on(large,pin(n3)),nextto(on(medium,pin(n2)),on(small,pin(n1))))),
    inference(para_into,[status(thm),theory(equality)],[1897,51]),
    [iquote('para_into,1897.1.1,51.1.1')] ).

cnf(2212,plain,
    state(nextto(on(large,pin(n1)),nextto(on(small,on(medium,pin(n2))),pin(n3)))),
    inference(para_into,[status(thm),theory(equality)],[2024,25]),
    [iquote('para_into,2024.1.1.2,25.1.1')] ).

cnf(2342,plain,
    ~ state(nextto(on(large,pin(n3)),nextto(on(small,on(medium,pin(n2))),pin(n1)))),
    inference(para_into,[status(thm),theory(equality)],[2096,25]),
    [iquote('para_into,2096.1.1.2,25.1.1')] ).

cnf(2425,plain,
    state(nextto(on(small,on(medium,pin(n2))),nextto(pin(n3),on(large,pin(n1))))),
    inference(para_into,[status(thm),theory(equality)],[2212,51]),
    [iquote('para_into,2212.1.1,51.1.1')] ).

cnf(2545,plain,
    ~ state(nextto(on(small,on(medium,pin(n2))),nextto(pin(n1),on(large,pin(n3))))),
    inference(para_into,[status(thm),theory(equality)],[2342,51]),
    [iquote('para_into,2342.1.1,51.1.1')] ).

cnf(2757,plain,
    state(nextto(on(small,on(medium,pin(n2))),nextto(pin(n1),on(large,pin(n3))))),
    inference(para_into,[status(thm),theory(equality)],[2425,142]),
    [iquote('para_into,2425.1.1.2,142.1.1')] ).

cnf(2758,plain,
    $false,
    inference(binary,[status(thm)],[2757,2545]),
    [iquote('binary,2757.1,2545.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : PUZ056-1 : TPTP v8.1.0. Released v2.7.0.
% 0.07/0.13  % Command  : otter-tptp-script %s
% 0.14/0.35  % Computer : n009.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Wed Jul 27 01:44:21 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 1.80/1.96  ----- Otter 3.3f, August 2004 -----
% 1.80/1.96  The process was started by sandbox on n009.cluster.edu,
% 1.80/1.96  Wed Jul 27 01:44:21 2022
% 1.80/1.96  The command was "./otter".  The process ID is 16032.
% 1.80/1.96  
% 1.80/1.96  set(prolog_style_variables).
% 1.80/1.96  set(auto).
% 1.80/1.96     dependent: set(auto1).
% 1.80/1.96     dependent: set(process_input).
% 1.80/1.96     dependent: clear(print_kept).
% 1.80/1.96     dependent: clear(print_new_demod).
% 1.80/1.96     dependent: clear(print_back_demod).
% 1.80/1.96     dependent: clear(print_back_sub).
% 1.80/1.96     dependent: set(control_memory).
% 1.80/1.96     dependent: assign(max_mem, 12000).
% 1.80/1.96     dependent: assign(pick_given_ratio, 4).
% 1.80/1.96     dependent: assign(stats_level, 1).
% 1.80/1.96     dependent: assign(max_seconds, 10800).
% 1.80/1.96  clear(print_given).
% 1.80/1.96  
% 1.80/1.96  list(usable).
% 1.80/1.96  0 [] A=A.
% 1.80/1.96  0 [] state(nextto(on(small,on(medium,on(large,pin(n1)))),nextto(pin(n2),pin(n3)))).
% 1.80/1.96  0 [] -state(nextto(pin(n1),nextto(pin(n2),on(small,on(medium,on(large,pin(n3))))))).
% 1.80/1.96  0 [] nextto(X,Y)=nextto(Y,X).
% 1.80/1.96  0 [] nextto(X,nextto(Y,Z))=nextto(nextto(X,Y),Z).
% 1.80/1.96  0 [] nextto(on(X,A),B)=nextto(A,on(X,B))| -fits(X,B)| -fits(X,A).
% 1.80/1.96  0 [] fits(small,pin(N)).
% 1.80/1.96  0 [] fits(medium,pin(N)).
% 1.80/1.96  0 [] fits(large,pin(N)).
% 1.80/1.96  0 [] fits(small,on(medium,A)).
% 1.80/1.96  0 [] fits(medium,on(large,A)).
% 1.80/1.96  0 [] fits(small,on(large,A)).
% 1.80/1.96  end_of_list.
% 1.80/1.96  
% 1.80/1.96  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=3.
% 1.80/1.96  
% 1.80/1.96  This is a Horn set with equality.  The strategy will be
% 1.80/1.96  Knuth-Bendix and hyper_res, with positive clauses in
% 1.80/1.96  sos and nonpositive clauses in usable.
% 1.80/1.96  
% 1.80/1.96     dependent: set(knuth_bendix).
% 1.80/1.96     dependent: set(anl_eq).
% 1.80/1.96     dependent: set(para_from).
% 1.80/1.96     dependent: set(para_into).
% 1.80/1.96     dependent: clear(para_from_right).
% 1.80/1.96     dependent: clear(para_into_right).
% 1.80/1.96     dependent: set(para_from_vars).
% 1.80/1.96     dependent: set(eq_units_both_ways).
% 1.80/1.96     dependent: set(dynamic_demod_all).
% 1.80/1.96     dependent: set(dynamic_demod).
% 1.80/1.96     dependent: set(order_eq).
% 1.80/1.96     dependent: set(back_demod).
% 1.80/1.96     dependent: set(lrpo).
% 1.80/1.96     dependent: set(hyper_res).
% 1.80/1.96     dependent: clear(order_hyper).
% 1.80/1.96  
% 1.80/1.96  ------------> process usable:
% 1.80/1.96  ** KEPT (pick-wt=15): 1 [] -state(nextto(pin(n1),nextto(pin(n2),on(small,on(medium,on(large,pin(n3))))))).
% 1.80/1.96  ** KEPT (pick-wt=17): 2 [] nextto(on(A,B),C)=nextto(B,on(A,C))| -fits(A,C)| -fits(A,B).
% 1.80/1.96  
% 1.80/1.96  ------------> process sos:
% 1.80/1.96  ** KEPT (pick-wt=3): 3 [] A=A.
% 1.80/1.96  ** KEPT (pick-wt=15): 4 [] state(nextto(on(small,on(medium,on(large,pin(n1)))),nextto(pin(n2),pin(n3)))).
% 1.80/1.96  ** KEPT (pick-wt=7): 5 [] nextto(A,B)=nextto(B,A).
% 1.80/1.96  ** KEPT (pick-wt=11): 7 [copy,6,flip.1] nextto(nextto(A,B),C)=nextto(A,nextto(B,C)).
% 1.80/1.96  ---> New Demodulator: 8 [new_demod,7] nextto(nextto(A,B),C)=nextto(A,nextto(B,C)).
% 1.80/1.96  ** KEPT (pick-wt=4): 9 [] fits(small,pin(A)).
% 1.80/1.96  ** KEPT (pick-wt=4): 10 [] fits(medium,pin(A)).
% 1.80/1.96  ** KEPT (pick-wt=4): 11 [] fits(large,pin(A)).
% 1.80/1.96  ** KEPT (pick-wt=5): 12 [] fits(small,on(medium,A)).
% 1.80/1.96  ** KEPT (pick-wt=5): 13 [] fits(medium,on(large,A)).
% 1.80/1.96  ** KEPT (pick-wt=5): 14 [] fits(small,on(large,A)).
% 1.80/1.96    Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] A=A.
% 1.80/1.96    Following clause subsumed by 5 during input processing: 0 [copy,5,flip.1] nextto(A,B)=nextto(B,A).
% 1.80/1.96  >>>> Starting back demodulation with 8.
% 1.80/1.96  
% 1.80/1.96  ======= end of input processing =======
% 1.80/1.96  
% 1.80/1.96  =========== start of search ===========
% 1.80/1.96  
% 1.80/1.96  
% 1.80/1.96  Resetting weight limit to 19.
% 1.80/1.96  
% 1.80/1.96  
% 1.80/1.96  Resetting weight limit to 19.
% 1.80/1.96  
% 1.80/1.96  sos_size=2589
% 1.80/1.96  
% 1.80/1.96  -------- PROOF -------- 
% 1.80/1.96  
% 1.80/1.96  ----> UNIT CONFLICT at   0.12 sec ----> 2758 [binary,2757.1,2545.1] $F.
% 1.80/1.96  
% 1.80/1.96  Length of proof is 24.  Level of proof is 10.
% 1.80/1.96  
% 1.80/1.96  ---------------- PROOF ----------------
% 1.80/1.96  % SZS status Unsatisfiable
% 1.80/1.96  % SZS output start Refutation
% See solution above
% 1.80/1.96  ------------ end of proof -------------
% 1.80/1.96  
% 1.80/1.96  
% 1.80/1.96  Search stopped by max_proofs option.
% 1.80/1.96  
% 1.80/1.96  
% 1.80/1.96  Search stopped by max_proofs option.
% 1.80/1.96  
% 1.80/1.96  ============ end of search ============
% 1.80/1.96  
% 1.80/1.96  -------------- statistics -------------
% 1.80/1.96  clauses given                157
% 1.80/1.96  clauses generated           5135
% 1.80/1.96  clauses kept                2755
% 1.80/1.96  clauses forward subsumed    4351
% 1.80/1.96  clauses back subsumed          6
% 1.80/1.96  Kbytes malloced             4882
% 1.80/1.96  
% 1.80/1.96  ----------- times (seconds) -----------
% 1.80/1.96  user CPU time          0.12          (0 hr, 0 min, 0 sec)
% 1.80/1.96  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.80/1.96  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.80/1.96  
% 1.80/1.96  That finishes the proof of the theorem.
% 1.80/1.96  
% 1.80/1.96  Process 16032 finished Wed Jul 27 01:44:23 2022
% 1.80/1.96  Otter interrupted
% 1.80/1.96  PROOF FOUND
%------------------------------------------------------------------------------