TSTP Solution File: LCL167-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LCL167-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n024.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 13:03:44 EDT 2022

% Result   : Unknown 70.37s 70.66s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : LCL167-1 : TPTP v8.1.0. Released v1.0.0.
% 0.04/0.13  % Command  : otter-tptp-script %s
% 0.12/0.34  % Computer : n024.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Wed Jul 27 09:34:40 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 70.37/70.66  ----- Otter 3.3f, August 2004 -----
% 70.37/70.66  The process was started by sandbox on n024.cluster.edu,
% 70.37/70.66  Wed Jul 27 09:34:40 2022
% 70.37/70.66  The command was "./otter".  The process ID is 28848.
% 70.37/70.66  
% 70.37/70.66  set(prolog_style_variables).
% 70.37/70.66  set(auto).
% 70.37/70.66     dependent: set(auto1).
% 70.37/70.66     dependent: set(process_input).
% 70.37/70.66     dependent: clear(print_kept).
% 70.37/70.66     dependent: clear(print_new_demod).
% 70.37/70.66     dependent: clear(print_back_demod).
% 70.37/70.66     dependent: clear(print_back_sub).
% 70.37/70.66     dependent: set(control_memory).
% 70.37/70.66     dependent: assign(max_mem, 12000).
% 70.37/70.66     dependent: assign(pick_given_ratio, 4).
% 70.37/70.66     dependent: assign(stats_level, 1).
% 70.37/70.66     dependent: assign(max_seconds, 10800).
% 70.37/70.66  clear(print_given).
% 70.37/70.66  
% 70.37/70.66  list(usable).
% 70.37/70.66  0 [] -is_a_theorem(e_quivalent(X,Y))| -is_a_theorem(X)|is_a_theorem(Y).
% 70.37/70.66  0 [] is_a_theorem(e_quivalent(X,e_quivalent(e_quivalent(Y,Z),e_quivalent(e_quivalent(X,Z),Y)))).
% 70.37/70.66  0 [] -is_a_theorem(e_quivalent(e_quivalent(a,b),e_quivalent(c,e_quivalent(e_quivalent(c,b),a)))).
% 70.37/70.66  end_of_list.
% 70.37/70.66  
% 70.37/70.66  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=3.
% 70.37/70.66  
% 70.37/70.66  This is a Horn set without equality.  The strategy will
% 70.37/70.66  be hyperresolution, with satellites in sos and nuclei
% 70.37/70.66  in usable.
% 70.37/70.66  
% 70.37/70.66     dependent: set(hyper_res).
% 70.37/70.66     dependent: clear(order_hyper).
% 70.37/70.66  
% 70.37/70.66  ------------> process usable:
% 70.37/70.66  ** KEPT (pick-wt=8): 1 [] -is_a_theorem(e_quivalent(A,B))| -is_a_theorem(A)|is_a_theorem(B).
% 70.37/70.66  ** KEPT (pick-wt=12): 2 [] -is_a_theorem(e_quivalent(e_quivalent(a,b),e_quivalent(c,e_quivalent(e_quivalent(c,b),a)))).
% 70.37/70.66  
% 70.37/70.66  ------------> process sos:
% 70.37/70.66  ** KEPT (pick-wt=12): 3 [] is_a_theorem(e_quivalent(A,e_quivalent(e_quivalent(B,C),e_quivalent(e_quivalent(A,C),B)))).
% 70.37/70.66  
% 70.37/70.66  ======= end of input processing =======
% 70.37/70.66  
% 70.37/70.66  =========== start of search ===========
% 70.37/70.66  
% 70.37/70.66  
% 70.37/70.66  Resetting weight limit to 24.
% 70.37/70.66  
% 70.37/70.66  
% 70.37/70.66  Resetting weight limit to 24.
% 70.37/70.66  
% 70.37/70.66  sos_size=4593
% 70.37/70.66  
% 70.37/70.66  
% 70.37/70.66  Resetting weight limit to 20.
% 70.37/70.66  
% 70.37/70.66  
% 70.37/70.66  Resetting weight limit to 20.
% 70.37/70.66  
% 70.37/70.66  sos_size=6810
% 70.37/70.66  
% 70.37/70.66  Search stopped in tp_alloc by max_mem option.
% 70.37/70.66  
% 70.37/70.66  Search stopped in tp_alloc by max_mem option.
% 70.37/70.66  
% 70.37/70.66  ============ end of search ============
% 70.37/70.66  
% 70.37/70.66  -------------- statistics -------------
% 70.37/70.66  clauses given               7194
% 70.37/70.66  clauses generated        14669249
% 70.37/70.66  clauses kept               21643
% 70.37/70.66  clauses forward subsumed 7231879
% 70.37/70.66  clauses back subsumed          0
% 70.37/70.66  Kbytes malloced            11718
% 70.37/70.66  
% 70.37/70.66  ----------- times (seconds) -----------
% 70.37/70.66  user CPU time         68.68          (0 hr, 1 min, 8 sec)
% 70.37/70.66  system CPU time        0.03          (0 hr, 0 min, 0 sec)
% 70.37/70.66  wall-clock time       70             (0 hr, 1 min, 10 sec)
% 70.37/70.66  
% 70.37/70.66  Process 28848 finished Wed Jul 27 09:35:50 2022
% 70.37/70.66  Otter interrupted
% 70.37/70.66  PROOF NOT FOUND
%------------------------------------------------------------------------------