TSTP Solution File: ALG029+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : ALG029+1 : TPTP v8.1.0. Released v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n012.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 12:45:56 EDT 2022

% Result   : Theorem 1.71s 1.92s
% Output   : Refutation 1.71s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   16 (  12 unt;   0 nHn;  16 RR)
%            Number of literals    :   22 (  10 equ;   7 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   2 con; 0-2 aty)
%            Number of variables   :    6 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(3,axiom,
    ( ~ sorti1(A)
    | ~ sorti1(B)
    | op1(A,B) = op1(B,A) ),
    file('ALG029+1.p',unknown),
    [] ).

cnf(4,axiom,
    op2(dollar_c2,dollar_c1) != op2(dollar_c1,dollar_c2),
    file('ALG029+1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ sorti2(A)
    | sorti1(j(A)) ),
    file('ALG029+1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ sorti1(A)
    | ~ sorti1(B)
    | h(op1(A,B)) = op2(h(A),h(B)) ),
    file('ALG029+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ sorti2(A)
    | h(j(A)) = A ),
    file('ALG029+1.p',unknown),
    [] ).

cnf(12,axiom,
    sorti2(dollar_c2),
    file('ALG029+1.p',unknown),
    [] ).

cnf(13,axiom,
    sorti2(dollar_c1),
    file('ALG029+1.p',unknown),
    [] ).

cnf(15,plain,
    h(j(dollar_c2)) = dollar_c2,
    inference(hyper,[status(thm)],[12,9]),
    [iquote('hyper,12,9')] ).

cnf(18,plain,
    sorti1(j(dollar_c2)),
    inference(hyper,[status(thm)],[12,6]),
    [iquote('hyper,12,6')] ).

cnf(21,plain,
    h(j(dollar_c1)) = dollar_c1,
    inference(hyper,[status(thm)],[13,9]),
    [iquote('hyper,13,9')] ).

cnf(28,plain,
    sorti1(j(dollar_c1)),
    inference(hyper,[status(thm)],[13,6]),
    [iquote('hyper,13,6')] ).

cnf(37,plain,
    h(op1(j(dollar_c2),j(dollar_c1))) = op2(dollar_c2,dollar_c1),
    inference(demod,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[28,7,18]),15,21]),
    [iquote('hyper,28,7,18,demod,15,21')] ).

cnf(40,plain,
    h(op1(j(dollar_c1),j(dollar_c2))) = op2(dollar_c1,dollar_c2),
    inference(demod,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[28,7,18]),21,15]),
    [iquote('hyper,28,7,18,demod,21,15')] ).

cnf(42,plain,
    op1(j(dollar_c2),j(dollar_c1)) = op1(j(dollar_c1),j(dollar_c2)),
    inference(hyper,[status(thm)],[28,3,18]),
    [iquote('hyper,28,3,18')] ).

cnf(45,plain,
    op2(dollar_c2,dollar_c1) = op2(dollar_c1,dollar_c2),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[37]),42,40])]),
    [iquote('back_demod,37,demod,42,40,flip.1')] ).

cnf(47,plain,
    $false,
    inference(binary,[status(thm)],[45,4]),
    [iquote('binary,45.1,4.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : ALG029+1 : TPTP v8.1.0. Released v2.7.0.
% 0.06/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n012.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 03:55:05 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.71/1.92  ----- Otter 3.3f, August 2004 -----
% 1.71/1.92  The process was started by sandbox2 on n012.cluster.edu,
% 1.71/1.92  Wed Jul 27 03:55:05 2022
% 1.71/1.92  The command was "./otter".  The process ID is 16669.
% 1.71/1.92  
% 1.71/1.92  set(prolog_style_variables).
% 1.71/1.92  set(auto).
% 1.71/1.92     dependent: set(auto1).
% 1.71/1.92     dependent: set(process_input).
% 1.71/1.92     dependent: clear(print_kept).
% 1.71/1.92     dependent: clear(print_new_demod).
% 1.71/1.92     dependent: clear(print_back_demod).
% 1.71/1.92     dependent: clear(print_back_sub).
% 1.71/1.92     dependent: set(control_memory).
% 1.71/1.92     dependent: assign(max_mem, 12000).
% 1.71/1.92     dependent: assign(pick_given_ratio, 4).
% 1.71/1.92     dependent: assign(stats_level, 1).
% 1.71/1.92     dependent: assign(max_seconds, 10800).
% 1.71/1.92  clear(print_given).
% 1.71/1.92  
% 1.71/1.92  formula_list(usable).
% 1.71/1.92  all A (A=A).
% 1.71/1.92  all U (sorti1(U)-> (all V (sorti1(V)->sorti1(op1(U,V))))).
% 1.71/1.92  all U (sorti2(U)-> (all V (sorti2(V)->sorti2(op2(U,V))))).
% 1.71/1.92  all U (sorti1(U)-> (all V (sorti1(V)->op1(U,V)=op1(V,U)))).
% 1.71/1.92  -(all U (sorti2(U)-> (all V (sorti2(V)->op2(U,V)=op2(V,U))))).
% 1.71/1.92  -((all U (sorti1(U)->sorti2(h(U))))& (all V (sorti2(V)->sorti1(j(V))))-> -((all W (sorti1(W)-> (all X (sorti1(X)->h(op1(W,X))=op2(h(W),h(X))))))& (all Y (sorti2(Y)-> (all Z (sorti2(Z)->j(op2(Y,Z))=op1(j(Y),j(Z))))))& (all X1 (sorti2(X1)->h(j(X1))=X1))& (all X2 (sorti1(X2)->j(h(X2))=X2)))).
% 1.71/1.92  end_of_list.
% 1.71/1.92  
% 1.71/1.92  -------> usable clausifies to:
% 1.71/1.92  
% 1.71/1.92  list(usable).
% 1.71/1.92  0 [] A=A.
% 1.71/1.92  0 [] -sorti1(U)| -sorti1(V)|sorti1(op1(U,V)).
% 1.71/1.92  0 [] -sorti2(U)| -sorti2(V)|sorti2(op2(U,V)).
% 1.71/1.92  0 [] -sorti1(U)| -sorti1(V)|op1(U,V)=op1(V,U).
% 1.71/1.92  0 [] sorti2($c2).
% 1.71/1.92  0 [] sorti2($c1).
% 1.71/1.92  0 [] op2($c2,$c1)!=op2($c1,$c2).
% 1.71/1.92  0 [] -sorti1(U)|sorti2(h(U)).
% 1.71/1.92  0 [] -sorti2(V)|sorti1(j(V)).
% 1.71/1.92  0 [] -sorti1(W)| -sorti1(X)|h(op1(W,X))=op2(h(W),h(X)).
% 1.71/1.92  0 [] -sorti2(Y)| -sorti2(Z)|j(op2(Y,Z))=op1(j(Y),j(Z)).
% 1.71/1.92  0 [] -sorti2(X1)|h(j(X1))=X1.
% 1.71/1.92  0 [] -sorti1(X2)|j(h(X2))=X2.
% 1.71/1.92  end_of_list.
% 1.71/1.92  
% 1.71/1.92  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=3.
% 1.71/1.92  
% 1.71/1.92  This is a Horn set with equality.  The strategy will be
% 1.71/1.92  Knuth-Bendix and hyper_res, with positive clauses in
% 1.71/1.92  sos and nonpositive clauses in usable.
% 1.71/1.92  
% 1.71/1.92     dependent: set(knuth_bendix).
% 1.71/1.92     dependent: set(anl_eq).
% 1.71/1.92     dependent: set(para_from).
% 1.71/1.92     dependent: set(para_into).
% 1.71/1.92     dependent: clear(para_from_right).
% 1.71/1.92     dependent: clear(para_into_right).
% 1.71/1.92     dependent: set(para_from_vars).
% 1.71/1.92     dependent: set(eq_units_both_ways).
% 1.71/1.92     dependent: set(dynamic_demod_all).
% 1.71/1.92     dependent: set(dynamic_demod).
% 1.71/1.92     dependent: set(order_eq).
% 1.71/1.92     dependent: set(back_demod).
% 1.71/1.92     dependent: set(lrpo).
% 1.71/1.92     dependent: set(hyper_res).
% 1.71/1.92     dependent: clear(order_hyper).
% 1.71/1.92  
% 1.71/1.92  ------------> process usable:
% 1.71/1.92  ** KEPT (pick-wt=8): 1 [] -sorti1(A)| -sorti1(B)|sorti1(op1(A,B)).
% 1.71/1.92  ** KEPT (pick-wt=8): 2 [] -sorti2(A)| -sorti2(B)|sorti2(op2(A,B)).
% 1.71/1.92  ** KEPT (pick-wt=11): 3 [] -sorti1(A)| -sorti1(B)|op1(A,B)=op1(B,A).
% 1.71/1.92  ** KEPT (pick-wt=7): 4 [] op2($c2,$c1)!=op2($c1,$c2).
% 1.71/1.92  ** KEPT (pick-wt=5): 5 [] -sorti1(A)|sorti2(h(A)).
% 1.71/1.92  ** KEPT (pick-wt=5): 6 [] -sorti2(A)|sorti1(j(A)).
% 1.71/1.92  ** KEPT (pick-wt=14): 7 [] -sorti1(A)| -sorti1(B)|h(op1(A,B))=op2(h(A),h(B)).
% 1.71/1.92  ** KEPT (pick-wt=14): 8 [] -sorti2(A)| -sorti2(B)|j(op2(A,B))=op1(j(A),j(B)).
% 1.71/1.92  ** KEPT (pick-wt=7): 9 [] -sorti2(A)|h(j(A))=A.
% 1.71/1.92  ** KEPT (pick-wt=7): 10 [] -sorti1(A)|j(h(A))=A.
% 1.71/1.92  
% 1.71/1.92  ------------> process sos:
% 1.71/1.92  ** KEPT (pick-wt=3): 11 [] A=A.
% 1.71/1.92  ** KEPT (pick-wt=2): 12 [] sorti2($c2).
% 1.71/1.92  ** KEPT (pick-wt=2): 13 [] sorti2($c1).
% 1.71/1.92    Following clause subsumed by 11 during input processing: 0 [copy,11,flip.1] A=A.
% 1.71/1.92  
% 1.71/1.92  ======= end of input processing =======
% 1.71/1.92  
% 1.71/1.92  =========== start of search ===========
% 1.71/1.92  
% 1.71/1.92  -------- PROOF -------- 
% 1.71/1.92  
% 1.71/1.92  ----> UNIT CONFLICT at   0.00 sec ----> 47 [binary,45.1,4.1] $F.
% 1.71/1.92  
% 1.71/1.92  Length of proof is 8.  Level of proof is 3.
% 1.71/1.92  
% 1.71/1.92  ---------------- PROOF ----------------
% 1.71/1.92  % SZS status Theorem
% 1.71/1.92  % SZS output start Refutation
% See solution above
% 1.71/1.92  ------------ end of proof -------------
% 1.71/1.92  
% 1.71/1.92  
% 1.71/1.92  Search stopped by max_proofs option.
% 1.71/1.92  
% 1.71/1.92  
% 1.71/1.92  Search stopped by max_proofs option.
% 1.71/1.92  
% 1.71/1.92  ============ end of search ============
% 1.71/1.92  
% 1.71/1.92  -------------- statistics -------------
% 1.71/1.92  clauses given                  5
% 1.71/1.92  clauses generated             38
% 1.71/1.92  clauses kept                  34
% 1.71/1.92  clauses forward subsumed      19
% 1.71/1.92  clauses back subsumed          0
% 1.71/1.92  Kbytes malloced              976
% 1.71/1.92  
% 1.71/1.92  ----------- times (seconds) -----------
% 1.71/1.92  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.71/1.92  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.71/1.92  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.71/1.92  
% 1.71/1.92  That finishes the proof of the theorem.
% 1.71/1.92  
% 1.71/1.92  Process 16669 finished Wed Jul 27 03:55:07 2022
% 1.71/1.92  Otter interrupted
% 1.71/1.92  PROOF FOUND
%------------------------------------------------------------------------------