TSTP Solution File: LCL915+1 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : LCL915+1 : TPTP v8.1.0. Released v6.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : sos-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  : 600s
% DateTime : Sun Jul 17 14:33:44 EDT 2022

% Result   : Unknown 0.82s 1.06s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem  : LCL915+1 : TPTP v8.1.0. Released v6.4.0.
% 0.09/0.10  % Command  : sos-script %s
% 0.09/0.30  % Computer : n020.cluster.edu
% 0.09/0.30  % Model    : x86_64 x86_64
% 0.09/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.30  % Memory   : 8042.1875MB
% 0.09/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.30  % CPULimit : 300
% 0.09/0.30  % WCLimit  : 600
% 0.09/0.30  % DateTime : Sat Jul  2 11:13:00 EDT 2022
% 0.15/0.30  % CPUTime  : 
% 0.15/0.32  ----- Otter 3.2, August 2001 -----
% 0.15/0.32  The process was started by sandbox2 on n020.cluster.edu,
% 0.15/0.32  Sat Jul  2 11:13:00 2022
% 0.15/0.32  The command was "./sos".  The process ID is 24751.
% 0.15/0.32  
% 0.15/0.32  set(prolog_style_variables).
% 0.15/0.32  set(auto).
% 0.15/0.32     dependent: set(auto1).
% 0.15/0.32     dependent: set(process_input).
% 0.15/0.32     dependent: clear(print_kept).
% 0.15/0.32     dependent: clear(print_new_demod).
% 0.15/0.32     dependent: clear(print_back_demod).
% 0.15/0.32     dependent: clear(print_back_sub).
% 0.15/0.32     dependent: set(control_memory).
% 0.15/0.32     dependent: assign(max_mem, 12000).
% 0.15/0.32     dependent: assign(pick_given_ratio, 4).
% 0.15/0.32     dependent: assign(stats_level, 1).
% 0.15/0.32     dependent: assign(pick_semantic_ratio, 3).
% 0.15/0.32     dependent: assign(sos_limit, 5000).
% 0.15/0.32     dependent: assign(max_weight, 60).
% 0.15/0.32  clear(print_given).
% 0.15/0.32  
% 0.15/0.32  formula_list(usable).
% 0.15/0.32  
% 0.15/0.32  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=4.
% 0.15/0.32  
% 0.15/0.32  This ia a non-Horn set with equality.  The strategy will be
% 0.15/0.32  Knuth-Bendix, ordered hyper_res, ur_res, factoring, and
% 0.15/0.32  unit deletion, with positive clauses in sos and nonpositive
% 0.15/0.32  clauses in usable.
% 0.15/0.32  
% 0.15/0.32     dependent: set(knuth_bendix).
% 0.15/0.32     dependent: set(para_from).
% 0.15/0.32     dependent: set(para_into).
% 0.15/0.32     dependent: clear(para_from_right).
% 0.15/0.32     dependent: clear(para_into_right).
% 0.15/0.32     dependent: set(para_from_vars).
% 0.15/0.32     dependent: set(eq_units_both_ways).
% 0.15/0.32     dependent: set(dynamic_demod_all).
% 0.15/0.32     dependent: set(dynamic_demod).
% 0.15/0.32     dependent: set(order_eq).
% 0.15/0.32     dependent: set(back_demod).
% 0.15/0.32     dependent: set(lrpo).
% 0.15/0.32     dependent: set(hyper_res).
% 0.15/0.32     dependent: set(unit_deletion).
% 0.15/0.32     dependent: set(factor).
% 0.15/0.32  
% 0.15/0.32  ------------> process usable:
% 0.15/0.32  
% 0.15/0.32  ------------> process sos:
% 0.15/0.32  77 back subsumes 67.
% 0.15/0.32  77 back subsumes 66.
% 0.15/0.32  77 back subsumes 14.
% 0.15/0.32  78 back subsumes 70.
% 0.15/0.32  78 back subsumes 18.
% 0.15/0.32  79 back subsumes 69.
% 0.15/0.32  79 back subsumes 68.
% 0.15/0.32  79 back subsumes 16.
% 0.15/0.32  80 back subsumes 38.
% 0.15/0.32  81 back subsumes 40.
% 0.15/0.32  82 back subsumes 42.
% 0.15/0.32  83 back subsumes 44.
% 0.15/0.32  84 back subsumes 46.
% 0.15/0.32  85 back subsumes 56.
% 0.15/0.32    Following clause subsumed by 86 during input processing: 0 [copy,86,flip.1] {-} A=A.
% 0.15/0.32  
% 0.15/0.32  ======= end of input processing =======
% 0.15/0.52  
% 0.15/0.52  Stopped by limit on insertions
% 0.15/0.52  
% 0.15/0.52  
% 0.15/0.52  Failed to model usable list: disabling FINDER
% 0.15/0.52  
% 0.15/0.52  
% 0.15/0.52  
% 0.15/0.52  -------------- Softie stats --------------
% 0.15/0.52  
% 0.15/0.52  UPDATE_STOP: 300
% 0.15/0.52  SFINDER_TIME_LIMIT: 2
% 0.15/0.52  SHORT_CLAUSE_CUTOFF: 4
% 0.15/0.52  number of clauses in intial UL: 47
% 0.15/0.52  number of clauses initially in problem: 64
% 0.15/0.52  percentage of clauses intially in UL: 73
% 0.15/0.52  percentage of distinct symbols occuring in initial UL: 98
% 0.15/0.52  percent of all initial clauses that are short: 100
% 0.15/0.52  absolute distinct symbol count: 65
% 0.15/0.52     distinct predicate count: 2
% 0.15/0.52     distinct function count: 9
% 0.15/0.52     distinct constant count: 54
% 0.15/0.52  
% 0.15/0.52  ---------- no more Softie stats ----------
% 0.15/0.52  
% 0.15/0.52  
% 0.15/0.52  
% 0.15/0.52  =========== start of search ===========
% 0.82/1.06  is_a_theorem(and(and(strict_implies(and(A,B),A),strict_implies(C,and(C,C))),strict_implies(strict_implies(D,D),strict_equiv(D,D)))).
% 0.82/1.06  
% 0.82/1.06  ------------- memory usage ------------
% 0.82/1.06  129 mallocs of 32700 bytes each, 4119.4 K.
% 0.82/1.06    type (bytes each)        gets      frees     in use      avail      bytes
% 0.82/1.06  sym_ent ( 304)              193          0        193          0     57.3 K
% 0.82/1.06  term (  32)              104548      93448      11100         15    347.3 K
% 0.82/1.06  rel (  40)                91034      78609      12425         15    485.9 K
% 0.82/1.06  term_ptr (  16)          157756      79324      78432      26010   1631.9 K
% 0.82/1.06  formula_ptr_2 (  56)          0          0          0          0      0.0 K
% 0.82/1.06  fpa_head (  24)            6901       1437       5464        607    142.3 K
% 0.82/1.06  fpa_tree (  56)           16535      16535          0         39      2.1 K
% 0.82/1.06  context (1288)            29639      29639          0          6      7.5 K
% 0.82/1.06  trail (  24)             158524     158524          0          8      0.2 K
% 0.82/1.06  imd_tree (  32)              42          0         42          0      1.3 K
% 0.82/1.06  imd_pos (4024)            23183      23183          0          4     15.7 K
% 0.82/1.06  is_tree (  24)            16084       9779       6305       7795    330.5 K
% 0.82/1.06  is_pos (2424)             81666      81666          0         20     47.3 K
% 0.82/1.06  fsub_pos (  16)           18117      18117          0          1      0.0 K
% 0.82/1.06  literal (  32)            12734       6274       6460          2    201.9 K
% 0.82/1.06  clause (  88)              5879       2507       3372          1    289.9 K
% 0.82/1.06  list ( 272)                  58         51          7          2      2.4 K
% 0.82/1.06  clash_nd (  80)             496        496          0          2      0.2 K
% 0.82/1.06  clause_ptr (  16)          5602       2120       3482       1054     70.9 K
% 0.82/1.06  int_ptr (  16)            34070      12588      21482          5    335.7 K
% 0.82/1.06  ci_ptr (  24)                 0          0          0          0      0.0 K
% 0.82/1.06  link_node ( 120)              0          0          0          0      0.0 K
% 0.82/1.06  ans_lit_node(  24)            0          0          0          0      0.0 K
% 0.82/1.06  formula_box( 168)             0          0          0          0      0.0 K
% 0.82/1.06  formula(  40)               446        446          0        181      7.1 K
% 0.82/1.06  formula_ptr(  16)            48         48          0         48      0.8 K
% 0.82/1.06  cl_attribute(  24)            0          0          0          0      0.0 K
% 0.82/1.06  
% 0.82/1.06  ********** is_delete, can't find end.
% 0.82/1.06  e       0.00
% 0.82/1.06  post_process time      0.00
% 0.82/1.06    back demod time      0.00
% 0.82/1.06    back subsume         0.00
% 0.82/1.06    factor time          0.00
% 0.82/1.06  FINDER time            0.00
% 0.82/1.06    unindex time         0.00
% 0.82/1.06  
% 0.82/1.06  Forward subsumption counts, subsumer:number_subsumed.
% 0.82/1.06   1:0     2:0     3:0     4:0     5:0     6:0     7:0     8:0     9:0    10:0   
% 0.82/1.06  11:0    12:0    13:0    14:0    15:0    16:0    17:0    18:0    19:0    20:0   
% 0.82/1.06  21:0    22:0    23:0    24:0    25:0    26:0    27:0    28:0    29:0    30:0   
% 0.82/1.06  31:0    32:0    33:0    34:0    35:0    36:0    37:0    38:0    39:0    40:0   
% 0.82/1.06  41:0    42:0    43:0    44:0    45:0    46:0    47:0    48:0    49:0    50:0   
% 0.82/1.06  51:0    52:0    53:0    54:0    55:0    56:0    57:0    58:0    59:0    60:0   
% 0.82/1.06  61:0    62:0    63:0    64:0    65:207  66:0    67:0    68:0    69:0    70:0   
% 0.82/1.06  71:0    72:0    73:0    74:0    75:0    76:0    77:0    78:0    79:0    80:0   
% 0.82/1.06  81:0    82:0    83:0    84:0    85:0    86:32   87:15   88:0    89:0    90:0   
% 0.82/1.06  91:2    92:0    93:0    94:0    95:0    96:0    97:0    98:0    99:0    
% 0.82/1.06  All others: 1718.
% 0.82/1.06  
% 0.82/1.06  ********** ABNORMAL END **********
% 0.82/1.06  
% 0.82/1.06  ********** is_delete, can't find end.
%------------------------------------------------------------------------------