TSTP Solution File: LCL060-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LCL060-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n017.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 13:03:25 EDT 2022

% Result   : Unknown 9.62s 9.79s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : LCL060-1 : TPTP v8.1.0. Released v1.0.0.
% 0.10/0.12  % Command  : otter-tptp-script %s
% 0.13/0.34  % Computer : n017.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 08:43:18 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 9.62/9.79  ----- Otter 3.3f, August 2004 -----
% 9.62/9.79  The process was started by sandbox on n017.cluster.edu,
% 9.62/9.79  Wed Jul 27 08:43:18 2022
% 9.62/9.79  The command was "./otter".  The process ID is 12594.
% 9.62/9.79  
% 9.62/9.79  set(prolog_style_variables).
% 9.62/9.79  set(auto).
% 9.62/9.79     dependent: set(auto1).
% 9.62/9.79     dependent: set(process_input).
% 9.62/9.79     dependent: clear(print_kept).
% 9.62/9.79     dependent: clear(print_new_demod).
% 9.62/9.79     dependent: clear(print_back_demod).
% 9.62/9.79     dependent: clear(print_back_sub).
% 9.62/9.79     dependent: set(control_memory).
% 9.62/9.79     dependent: assign(max_mem, 12000).
% 9.62/9.79     dependent: assign(pick_given_ratio, 4).
% 9.62/9.79     dependent: assign(stats_level, 1).
% 9.62/9.79     dependent: assign(max_seconds, 10800).
% 9.62/9.79  clear(print_given).
% 9.62/9.79  
% 9.62/9.79  list(usable).
% 9.62/9.79  0 [] -is_a_theorem(implies(X,Y))| -is_a_theorem(X)|is_a_theorem(Y).
% 9.62/9.79  0 [] is_a_theorem(implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z)))).
% 9.62/9.79  0 [] is_a_theorem(implies(implies(not(X),X),X)).
% 9.62/9.79  0 [] is_a_theorem(implies(X,implies(not(X),Y))).
% 9.62/9.79  0 [] -is_a_theorem(implies(implies(a,b),implies(implies(not(a),b),b))).
% 9.62/9.79  end_of_list.
% 9.62/9.79  
% 9.62/9.79  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=3.
% 9.62/9.79  
% 9.62/9.79  This is a Horn set without equality.  The strategy will
% 9.62/9.79  be hyperresolution, with satellites in sos and nuclei
% 9.62/9.79  in usable.
% 9.62/9.79  
% 9.62/9.79     dependent: set(hyper_res).
% 9.62/9.79     dependent: clear(order_hyper).
% 9.62/9.79  
% 9.62/9.79  ------------> process usable:
% 9.62/9.79  ** KEPT (pick-wt=8): 1 [] -is_a_theorem(implies(A,B))| -is_a_theorem(A)|is_a_theorem(B).
% 9.62/9.79  ** KEPT (pick-wt=11): 2 [] -is_a_theorem(implies(implies(a,b),implies(implies(not(a),b),b))).
% 9.62/9.79  
% 9.62/9.79  ------------> process sos:
% 9.62/9.79  ** KEPT (pick-wt=12): 3 [] is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C)))).
% 9.62/9.79  ** KEPT (pick-wt=7): 4 [] is_a_theorem(implies(implies(not(A),A),A)).
% 9.62/9.79  ** KEPT (pick-wt=7): 5 [] is_a_theorem(implies(A,implies(not(A),B))).
% 9.62/9.79  
% 9.62/9.79  ======= end of input processing =======
% 9.62/9.79  
% 9.62/9.79  =========== start of search ===========
% 9.62/9.79  
% 9.62/9.79  
% 9.62/9.79  Resetting weight limit to 14.
% 9.62/9.79  
% 9.62/9.79  
% 9.62/9.79  Resetting weight limit to 14.
% 9.62/9.79  
% 9.62/9.79  sos_size=2074
% 9.62/9.79  
% 9.62/9.79  
% 9.62/9.79  Resetting weight limit to 12.
% 9.62/9.79  
% 9.62/9.79  
% 9.62/9.79  Resetting weight limit to 12.
% 9.62/9.79  
% 9.62/9.79  sos_size=2474
% 9.62/9.79  
% 9.62/9.79  
% 9.62/9.79  Resetting weight limit to 11.
% 9.62/9.79  
% 9.62/9.79  
% 9.62/9.79  Resetting weight limit to 11.
% 9.62/9.79  
% 9.62/9.79  sos_size=2642
% 9.62/9.79  
% 9.62/9.79  Search stopped because sos empty.
% 9.62/9.79  
% 9.62/9.79  
% 9.62/9.79  Search stopped because sos empty.
% 9.62/9.79  
% 9.62/9.79  ============ end of search ============
% 9.62/9.79  
% 9.62/9.79  -------------- statistics -------------
% 9.62/9.79  clauses given               3076
% 9.62/9.79  clauses generated        4174558
% 9.62/9.79  clauses kept                3184
% 9.62/9.79  clauses forward subsumed  669645
% 9.62/9.79  clauses back subsumed        118
% 9.62/9.79  Kbytes malloced             8789
% 9.62/9.79  
% 9.62/9.79  ----------- times (seconds) -----------
% 9.62/9.79  user CPU time          8.00          (0 hr, 0 min, 8 sec)
% 9.62/9.79  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 9.62/9.79  wall-clock time        9             (0 hr, 0 min, 9 sec)
% 9.62/9.79  
% 9.62/9.79  Process 12594 finished Wed Jul 27 08:43:27 2022
% 9.62/9.79  Otter interrupted
% 9.62/9.79  PROOF NOT FOUND
%------------------------------------------------------------------------------