TSTP Solution File: LCL415-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LCL415-1 : TPTP v8.1.0. Released v2.5.0.
% 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 13:04:23 EDT 2022

% Result   : Unknown 2.02s 2.28s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : LCL415-1 : TPTP v8.1.0. Released v2.5.0.
% 0.11/0.13  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n009.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
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Wed Jul 27 09:15:51 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 2.02/2.28  ----- Otter 3.3f, August 2004 -----
% 2.02/2.28  The process was started by sandbox on n009.cluster.edu,
% 2.02/2.28  Wed Jul 27 09:15:51 2022
% 2.02/2.28  The command was "./otter".  The process ID is 18627.
% 2.02/2.28  
% 2.02/2.28  set(prolog_style_variables).
% 2.02/2.28  set(auto).
% 2.02/2.28     dependent: set(auto1).
% 2.02/2.28     dependent: set(process_input).
% 2.02/2.28     dependent: clear(print_kept).
% 2.02/2.28     dependent: clear(print_new_demod).
% 2.02/2.28     dependent: clear(print_back_demod).
% 2.02/2.28     dependent: clear(print_back_sub).
% 2.02/2.28     dependent: set(control_memory).
% 2.02/2.28     dependent: assign(max_mem, 12000).
% 2.02/2.28     dependent: assign(pick_given_ratio, 4).
% 2.02/2.28     dependent: assign(stats_level, 1).
% 2.02/2.28     dependent: assign(max_seconds, 10800).
% 2.02/2.28  clear(print_given).
% 2.02/2.28  
% 2.02/2.28  list(usable).
% 2.02/2.28  0 [] -is_a_theorem(implies(A,B))| -is_a_theorem(A)|is_a_theorem(B).
% 2.02/2.28  0 [] is_a_theorem(implies(implies(A,B),implies(implies(B,implies(implies(C,A),D)),implies(A,D)))).
% 2.02/2.28  0 [] -is_a_theorem(implies(a,implies(b,a))).
% 2.02/2.28  end_of_list.
% 2.02/2.28  
% 2.02/2.28  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=3.
% 2.02/2.28  
% 2.02/2.28  This is a Horn set without equality.  The strategy will
% 2.02/2.28  be hyperresolution, with satellites in sos and nuclei
% 2.02/2.28  in usable.
% 2.02/2.28  
% 2.02/2.28     dependent: set(hyper_res).
% 2.02/2.28     dependent: clear(order_hyper).
% 2.02/2.28  
% 2.02/2.28  ------------> process usable:
% 2.02/2.28  ** KEPT (pick-wt=8): 1 [] -is_a_theorem(implies(A,B))| -is_a_theorem(A)|is_a_theorem(B).
% 2.02/2.28  ** KEPT (pick-wt=6): 2 [] -is_a_theorem(implies(a,implies(b,a))).
% 2.02/2.28  
% 2.02/2.28  ------------> process sos:
% 2.02/2.28  ** KEPT (pick-wt=16): 3 [] is_a_theorem(implies(implies(A,B),implies(implies(B,implies(implies(C,A),D)),implies(A,D)))).
% 2.02/2.28  
% 2.02/2.28  ======= end of input processing =======
% 2.02/2.28  
% 2.02/2.28  =========== start of search ===========
% 2.02/2.28  
% 2.02/2.28  
% 2.02/2.28  Resetting weight limit to 499.
% 2.02/2.28  
% 2.02/2.28  
% 2.02/2.28  Resetting weight limit to 499.
% 2.02/2.28  
% 2.02/2.28  sos_size=1
% 2.02/2.28  
% 2.02/2.28  Search stopped because sos empty.
% 2.02/2.28  
% 2.02/2.28  
% 2.02/2.28  Search stopped because sos empty.
% 2.02/2.28  
% 2.02/2.28  ============ end of search ============
% 2.02/2.28  
% 2.02/2.28  -------------- statistics -------------
% 2.02/2.28  clauses given                 31
% 2.02/2.28  clauses generated             34
% 2.02/2.28  clauses kept                  33
% 2.02/2.28  clauses forward subsumed       2
% 2.02/2.28  clauses back subsumed          0
% 2.02/2.28  Kbytes malloced             5859
% 2.02/2.28  
% 2.02/2.28  ----------- times (seconds) -----------
% 2.02/2.28  user CPU time          0.39          (0 hr, 0 min, 0 sec)
% 2.02/2.28  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 2.02/2.28  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.02/2.28  
% 2.02/2.28  Process 18627 finished Wed Jul 27 09:15:53 2022
% 2.02/2.28  Otter interrupted
% 2.02/2.28  PROOF NOT FOUND
%------------------------------------------------------------------------------