TSTP Solution File: LCL417-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LCL417-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n022.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 13:04:23 EDT 2022

% Result   : Unknown 68.89s 69.11s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.11  % Problem  : LCL417-2 : TPTP v8.1.0. Released v3.2.0.
% 0.04/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n022.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 09:30:50 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 68.89/69.11  ----- Otter 3.3f, August 2004 -----
% 68.89/69.11  The process was started by sandbox2 on n022.cluster.edu,
% 68.89/69.11  Wed Jul 27 09:30:50 2022
% 68.89/69.11  The command was "./otter".  The process ID is 13091.
% 68.89/69.11  
% 68.89/69.11  set(prolog_style_variables).
% 68.89/69.11  set(auto).
% 68.89/69.11     dependent: set(auto1).
% 68.89/69.11     dependent: set(process_input).
% 68.89/69.11     dependent: clear(print_kept).
% 68.89/69.11     dependent: clear(print_new_demod).
% 68.89/69.11     dependent: clear(print_back_demod).
% 68.89/69.11     dependent: clear(print_back_sub).
% 68.89/69.11     dependent: set(control_memory).
% 68.89/69.11     dependent: assign(max_mem, 12000).
% 68.89/69.11     dependent: assign(pick_given_ratio, 4).
% 68.89/69.11     dependent: assign(stats_level, 1).
% 68.89/69.11     dependent: assign(max_seconds, 10800).
% 68.89/69.11  clear(print_given).
% 68.89/69.11  
% 68.89/69.11  list(usable).
% 68.89/69.11  0 [] -is_a_theorem(e_quivalent(A,B))| -is_a_theorem(A)|is_a_theorem(B).
% 68.89/69.11  0 [] is_a_theorem(e_quivalent(A,e_quivalent(e_quivalent(e_quivalent(A,B),e_quivalent(C,B)),C))).
% 68.89/69.11  0 [] -is_a_theorem(e_quivalent(e_quivalent(a,b),e_quivalent(b,a)))| -is_a_theorem(e_quivalent(e_quivalent(a,b),e_quivalent(e_quivalent(b,c),e_quivalent(a,c)))).
% 68.89/69.11  end_of_list.
% 68.89/69.11  
% 68.89/69.11  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=3.
% 68.89/69.11  
% 68.89/69.11  This is a Horn set without equality.  The strategy will
% 68.89/69.11  be hyperresolution, with satellites in sos and nuclei
% 68.89/69.11  in usable.
% 68.89/69.11  
% 68.89/69.11     dependent: set(hyper_res).
% 68.89/69.11     dependent: clear(order_hyper).
% 68.89/69.11  
% 68.89/69.11  ------------> process usable:
% 68.89/69.11  ** KEPT (pick-wt=8): 1 [] -is_a_theorem(e_quivalent(A,B))| -is_a_theorem(A)|is_a_theorem(B).
% 68.89/69.11  ** KEPT (pick-wt=20): 2 [] -is_a_theorem(e_quivalent(e_quivalent(a,b),e_quivalent(b,a)))| -is_a_theorem(e_quivalent(e_quivalent(a,b),e_quivalent(e_quivalent(b,c),e_quivalent(a,c)))).
% 68.89/69.11  
% 68.89/69.11  ------------> process sos:
% 68.89/69.11  ** KEPT (pick-wt=12): 3 [] is_a_theorem(e_quivalent(A,e_quivalent(e_quivalent(e_quivalent(A,B),e_quivalent(C,B)),C))).
% 68.89/69.11  
% 68.89/69.11  ======= end of input processing =======
% 68.89/69.11  
% 68.89/69.11  =========== start of search ===========
% 68.89/69.11  
% 68.89/69.11  
% 68.89/69.11  Resetting weight limit to 28.
% 68.89/69.11  
% 68.89/69.11  
% 68.89/69.11  Resetting weight limit to 28.
% 68.89/69.11  
% 68.89/69.11  sos_size=4664
% 68.89/69.11  
% 68.89/69.11  
% 68.89/69.11  Resetting weight limit to 24.
% 68.89/69.11  
% 68.89/69.11  
% 68.89/69.11  Resetting weight limit to 24.
% 68.89/69.11  
% 68.89/69.11  sos_size=5105
% 68.89/69.11  
% 68.89/69.11  
% 68.89/69.11  Resetting weight limit to 20.
% 68.89/69.11  
% 68.89/69.11  
% 68.89/69.11  Resetting weight limit to 20.
% 68.89/69.11  
% 68.89/69.11  sos_size=5212
% 68.89/69.11  
% 68.89/69.11  Search stopped because sos empty.
% 68.89/69.11  
% 68.89/69.11  
% 68.89/69.11  Search stopped because sos empty.
% 68.89/69.11  
% 68.89/69.11  ============ end of search ============
% 68.89/69.11  
% 68.89/69.11  -------------- statistics -------------
% 68.89/69.11  clauses given               6975
% 68.89/69.11  clauses generated        10300349
% 68.89/69.11  clauses kept                8289
% 68.89/69.11  clauses forward subsumed 1616051
% 68.89/69.11  clauses back subsumed       1582
% 68.89/69.11  Kbytes malloced             6835
% 68.89/69.11  
% 68.89/69.11  ----------- times (seconds) -----------
% 68.89/69.11  user CPU time         67.32          (0 hr, 1 min, 7 sec)
% 68.89/69.11  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 68.89/69.11  wall-clock time       69             (0 hr, 1 min, 9 sec)
% 68.89/69.11  
% 68.89/69.11  Process 13091 finished Wed Jul 27 09:31:59 2022
% 68.89/69.11  Otter interrupted
% 68.89/69.11  PROOF NOT FOUND
%------------------------------------------------------------------------------