TSTP Solution File: LCL074-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LCL074-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n020.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 13:03:27 EDT 2022

% Result   : Unknown 9.43s 9.62s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LCL074-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.13/0.34  % Computer : n020.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Wed Jul 27 09:34:08 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 9.43/9.62  ----- Otter 3.3f, August 2004 -----
% 9.43/9.62  The process was started by sandbox2 on n020.cluster.edu,
% 9.43/9.62  Wed Jul 27 09:34:08 2022
% 9.43/9.62  The command was "./otter".  The process ID is 13057.
% 9.43/9.62  
% 9.43/9.62  set(prolog_style_variables).
% 9.43/9.62  set(auto).
% 9.43/9.62     dependent: set(auto1).
% 9.43/9.62     dependent: set(process_input).
% 9.43/9.62     dependent: clear(print_kept).
% 9.43/9.62     dependent: clear(print_new_demod).
% 9.43/9.62     dependent: clear(print_back_demod).
% 9.43/9.62     dependent: clear(print_back_sub).
% 9.43/9.62     dependent: set(control_memory).
% 9.43/9.62     dependent: assign(max_mem, 12000).
% 9.43/9.62     dependent: assign(pick_given_ratio, 4).
% 9.43/9.62     dependent: assign(stats_level, 1).
% 9.43/9.62     dependent: assign(max_seconds, 10800).
% 9.43/9.62  clear(print_given).
% 9.43/9.62  
% 9.43/9.62  list(usable).
% 9.43/9.62  0 [] -is_a_theorem(implies(X,Y))| -is_a_theorem(X)|is_a_theorem(Y).
% 9.43/9.62  0 [] is_a_theorem(implies(implies(implies(implies(implies(X,Y),implies(not(Z),not(U))),Z),V),implies(implies(V,X),implies(U,X)))).
% 9.43/9.62  0 [] -is_a_theorem(implies(implies(not(a),a),a)).
% 9.43/9.62  end_of_list.
% 9.43/9.62  
% 9.43/9.62  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=3.
% 9.43/9.62  
% 9.43/9.62  This is a Horn set without equality.  The strategy will
% 9.43/9.62  be hyperresolution, with satellites in sos and nuclei
% 9.43/9.62  in usable.
% 9.43/9.62  
% 9.43/9.62     dependent: set(hyper_res).
% 9.43/9.62     dependent: clear(order_hyper).
% 9.43/9.62  
% 9.43/9.62  ------------> process usable:
% 9.43/9.62  ** KEPT (pick-wt=8): 1 [] -is_a_theorem(implies(A,B))| -is_a_theorem(A)|is_a_theorem(B).
% 9.43/9.62  ** KEPT (pick-wt=7): 2 [] -is_a_theorem(implies(implies(not(a),a),a)).
% 9.43/9.62  
% 9.43/9.62  ------------> process sos:
% 9.43/9.62  ** KEPT (pick-wt=22): 3 [] is_a_theorem(implies(implies(implies(implies(implies(A,B),implies(not(C),not(D))),C),E),implies(implies(E,A),implies(D,A)))).
% 9.43/9.62  
% 9.43/9.62  ======= end of input processing =======
% 9.43/9.62  
% 9.43/9.62  =========== start of search ===========
% 9.43/9.62  
% 9.43/9.62  
% 9.43/9.62  Resetting weight limit to 15.
% 9.43/9.62  
% 9.43/9.62  
% 9.43/9.62  Resetting weight limit to 15.
% 9.43/9.62  
% 9.43/9.62  sos_size=1912
% 9.43/9.62  
% 9.43/9.62  
% 9.43/9.62  Resetting weight limit to 14.
% 9.43/9.62  
% 9.43/9.62  
% 9.43/9.62  Resetting weight limit to 14.
% 9.43/9.62  
% 9.43/9.62  sos_size=2007
% 9.43/9.62  
% 9.43/9.62  Search stopped because sos empty.
% 9.43/9.62  
% 9.43/9.62  
% 9.43/9.62  Search stopped because sos empty.
% 9.43/9.62  
% 9.43/9.62  ============ end of search ============
% 9.43/9.62  
% 9.43/9.62  -------------- statistics -------------
% 9.43/9.62  clauses given               2529
% 9.43/9.62  clauses generated        4252740
% 9.43/9.62  clauses kept                2587
% 9.43/9.62  clauses forward subsumed 1083616
% 9.43/9.62  clauses back subsumed         65
% 9.43/9.62  Kbytes malloced             7812
% 9.43/9.62  
% 9.43/9.62  ----------- times (seconds) -----------
% 9.43/9.62  user CPU time          7.53          (0 hr, 0 min, 7 sec)
% 9.43/9.62  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 9.43/9.62  wall-clock time       10             (0 hr, 0 min, 10 sec)
% 9.43/9.62  
% 9.43/9.62  Process 13057 finished Wed Jul 27 09:34:18 2022
% 9.43/9.62  Otter interrupted
% 9.43/9.62  PROOF NOT FOUND
%------------------------------------------------------------------------------