TSTP Solution File: GRP162-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP162-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n010.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 : Sat Jul 16 08:45:35 EDT 2022

% Result   : Unsatisfiable 0.73s 1.08s
% Output   : Refutation 0.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    4
% Syntax   : Number of clauses     :    8 (   8 unt;   0 nHn;   5 RR)
%            Number of literals    :    8 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :    5 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(multiply(identity,A),A),
    file('GRP162-1.p',unknown),
    [] ).

cnf(7,plain,
    equal(least_upper_bound(least_upper_bound(A,B),C),least_upper_bound(A,least_upper_bound(B,C))),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(16,plain,
    equal(least_upper_bound(a,b),b),
    file('GRP162-1.p',unknown),
    [] ).

cnf(17,plain,
    equal(least_upper_bound(b,c),c),
    file('GRP162-1.p',unknown),
    [] ).

cnf(18,plain,
    ~ equal(least_upper_bound(a,c),c),
    file('GRP162-1.p',unknown),
    [] ).

cnf(58,plain,
    equal(least_upper_bound(a,least_upper_bound(b,A)),least_upper_bound(b,A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[16,7]),1]),
    [iquote('para(16,7),flip(1)')] ).

cnf(60,plain,
    equal(least_upper_bound(a,c),c),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[17,58]),17]),
    [iquote('para(17,58),demod([17])')] ).

cnf(61,plain,
    $false,
    inference(conflict,[status(thm)],[60,18]),
    [iquote('conflict(60,18)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP162-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.07/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.14/0.34  % Computer : n010.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Mon Jun 13 05:01:25 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.73/1.08  ----- EQP 0.9e, May 2009 -----
% 0.73/1.08  The job began on n010.cluster.edu, Mon Jun 13 05:01:25 2022
% 0.73/1.08  The command was "./eqp09e".
% 0.73/1.08  
% 0.73/1.08  set(prolog_style_variables).
% 0.73/1.08  set(lrpo).
% 0.73/1.08  set(basic_paramod).
% 0.73/1.08  set(functional_subsume).
% 0.73/1.08  set(ordered_paramod).
% 0.73/1.08  set(prime_paramod).
% 0.73/1.08  set(para_pairs).
% 0.73/1.08  assign(pick_given_ratio,4).
% 0.73/1.08  clear(print_kept).
% 0.73/1.08  clear(print_new_demod).
% 0.73/1.08  clear(print_back_demod).
% 0.73/1.08  clear(print_given).
% 0.73/1.08  assign(max_mem,64000).
% 0.73/1.08  end_of_commands.
% 0.73/1.08  
% 0.73/1.08  Usable:
% 0.73/1.08  end_of_list.
% 0.73/1.08  
% 0.73/1.08  Sos:
% 0.73/1.08  0 (wt=-1) [] multiply(identity,A) = A.
% 0.73/1.08  0 (wt=-1) [] multiply(inverse(A),A) = identity.
% 0.73/1.08  0 (wt=-1) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 0.73/1.08  0 (wt=-1) [] greatest_lower_bound(A,B) = greatest_lower_bound(B,A).
% 0.73/1.08  0 (wt=-1) [] least_upper_bound(A,B) = least_upper_bound(B,A).
% 0.73/1.08  0 (wt=-1) [] greatest_lower_bound(A,greatest_lower_bound(B,C)) = greatest_lower_bound(greatest_lower_bound(A,B),C).
% 0.73/1.08  0 (wt=-1) [] least_upper_bound(A,least_upper_bound(B,C)) = least_upper_bound(least_upper_bound(A,B),C).
% 0.73/1.08  0 (wt=-1) [] least_upper_bound(A,A) = A.
% 0.73/1.08  0 (wt=-1) [] greatest_lower_bound(A,A) = A.
% 0.73/1.08  0 (wt=-1) [] least_upper_bound(A,greatest_lower_bound(A,B)) = A.
% 0.73/1.08  0 (wt=-1) [] greatest_lower_bound(A,least_upper_bound(A,B)) = A.
% 0.73/1.08  0 (wt=-1) [] multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)).
% 0.73/1.08  0 (wt=-1) [] multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 0.73/1.08  0 (wt=-1) [] multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)).
% 0.73/1.08  0 (wt=-1) [] multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 0.73/1.08  0 (wt=-1) [] least_upper_bound(a,b) = b.
% 0.73/1.08  0 (wt=-1) [] least_upper_bound(b,c) = c.
% 0.73/1.08  0 (wt=-1) [] -(least_upper_bound(a,c) = c).
% 0.73/1.08  end_of_list.
% 0.73/1.08  
% 0.73/1.08  Demodulators:
% 0.73/1.08  end_of_list.
% 0.73/1.08  
% 0.73/1.08  Passive:
% 0.73/1.08  end_of_list.
% 0.73/1.08  
% 0.73/1.08  Starting to process input.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 1 (wt=5) [] multiply(identity,A) = A.
% 0.73/1.08  1 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 2 (wt=6) [] multiply(inverse(A),A) = identity.
% 0.73/1.08  2 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 3 (wt=11) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 0.73/1.08  3 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 4 (wt=7) [] greatest_lower_bound(A,B) = greatest_lower_bound(B,A).
% 0.73/1.08  clause forward subsumed: 0 (wt=7) [flip(4)] greatest_lower_bound(B,A) = greatest_lower_bound(A,B).
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 5 (wt=7) [] least_upper_bound(A,B) = least_upper_bound(B,A).
% 0.73/1.08  clause forward subsumed: 0 (wt=7) [flip(5)] least_upper_bound(B,A) = least_upper_bound(A,B).
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 6 (wt=11) [flip(1)] greatest_lower_bound(greatest_lower_bound(A,B),C) = greatest_lower_bound(A,greatest_lower_bound(B,C)).
% 0.73/1.08  6 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 7 (wt=11) [flip(1)] least_upper_bound(least_upper_bound(A,B),C) = least_upper_bound(A,least_upper_bound(B,C)).
% 0.73/1.08  7 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 8 (wt=5) [] least_upper_bound(A,A) = A.
% 0.73/1.08  8 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 9 (wt=5) [] greatest_lower_bound(A,A) = A.
% 0.73/1.08  9 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 10 (wt=7) [] least_upper_bound(A,greatest_lower_bound(A,B)) = A.
% 0.73/1.08  10 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 11 (wt=7) [] greatest_lower_bound(A,least_upper_bound(A,B)) = A.
% 0.73/1.08  11 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 12 (wt=13) [] multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)).
% 0.73/1.08  12 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 13 (wt=13) [] multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 0.73/1.08  13 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 14 (wt=13) [] multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)).
% 0.73/1.08  14 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 15 (wt=13) [] multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 0.73/1.08  15 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 16 (wt=5) [] least_upper_bound(a,b) = b.
% 0.73/1.08  16 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 17 (wt=5) [] least_upper_bound(b,c) = c.
% 0.73/1.08  17 is a new demodulator.
% 0.73/1.08  
% 0.73/1.08  ** KEPT: 18 (wt=5) [] -(least_upper_bound(a,c) = c).
% 0.73/1.08  ---------------- PROOF FOUND ----------------
% 0.73/1.08  % SZS status Unsatisfiable
% 0.73/1.08  
% 0.73/1.08  
% 0.73/1.08  After processing input:
% 0.73/1.08  
% 0.73/1.08  Usable:
% 0.73/1.08  end_of_list.
% 0.73/1.08  
% 0.73/1.08  Sos:
% 0.73/1.08  1 (wt=5) [] multiply(identity,A) = A.
% 0.73/1.08  8 (wt=5) [] least_upper_bound(A,A) = A.
% 0.73/1.08  9 (wt=5) [] greatest_lower_bound(A,A) = A.
% 0.73/1.08  16 (wt=5) [] least_upper_bound(a,b) = b.
% 0.73/1.08  17 (wt=5) [] least_upper_bound(b,c) = c.
% 0.73/1.08  18 (wt=5) [] -(least_upper_bound(a,c) = c).
% 0.73/1.08  2 (wt=6) [] multiply(inverse(A),A) = identity.
% 0.73/1.08  4 (wt=7) [] greatest_lower_bound(A,B) = greatest_lower_bound(B,A).
% 0.73/1.08  5 (wt=7) [] least_upper_bound(A,B) = least_upper_bound(B,A).
% 0.73/1.08  10 (wt=7) [] least_upper_bound(A,greatest_lower_bound(A,B)) = A.
% 0.73/1.08  11 (wt=7) [] greatest_lower_bound(A,least_upper_bound(A,B)) = A.
% 0.73/1.08  3 (wt=11) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 0.73/1.08  6 (wt=11) [flip(1)] greatest_lower_bound(greatest_lower_bound(A,B),C) = greatest_lower_bound(A,greatest_lower_bound(B,C)).
% 0.73/1.08  7 (wt=11) [flip(1)] least_upper_bound(least_upper_bound(A,B),C) = least_upper_bound(A,least_upper_bound(B,C)).
% 0.73/1.08  12 (wt=13) [] multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)).
% 0.73/1.08  13 (wt=13) [] multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 0.73/1.08  14 (wt=13) [] multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)).
% 0.73/1.08  15 (wt=13) [] multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 0.73/1.08  end_of_list.
% 0.73/1.08  
% 0.73/1.08  Demodulators:
% 0.73/1.08  1 (wt=5) [] multiply(identity,A) = A.
% 0.73/1.08  2 (wt=6) [] multiply(inverse(A),A) = identity.
% 0.73/1.08  3 (wt=11) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 0.73/1.08  6 (wt=11) [flip(1)] greatest_lower_bound(greatest_lower_bound(A,B),C) = greatest_lower_bound(A,greatest_lower_bound(B,C)).
% 0.73/1.08  7 (wt=11) [flip(1)] least_upper_bound(least_upper_bound(A,B),C) = least_upper_bound(A,least_upper_bound(B,C)).
% 0.73/1.08  8 (wt=5) [] least_upper_bound(A,A) = A.
% 0.73/1.08  9 (wt=5) [] greatest_lower_bound(A,A) = A.
% 0.73/1.08  10 (wt=7) [] least_upper_bound(A,greatest_lower_bound(A,B)) = A.
% 0.73/1.08  11 (wt=7) [] greatest_lower_bound(A,least_upper_bound(A,B)) = A.
% 0.73/1.08  12 (wt=13) [] multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)).
% 0.73/1.08  13 (wt=13) [] multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 0.73/1.08  14 (wt=13) [] multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)).
% 0.73/1.08  15 (wt=13) [] multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 0.73/1.08  16 (wt=5) [] least_upper_bound(a,b) = b.
% 0.73/1.08  17 (wt=5) [] least_upper_bound(b,c) = c.
% 0.73/1.08  end_of_list.
% 0.73/1.08  
% 0.73/1.08  Passive:
% 0.73/1.08  end_of_list.
% 0.73/1.08  
% 0.73/1.08  UNIT CONFLICT from 60 and 18 at   0.00 seconds.
% 0.73/1.08  
% 0.73/1.08  ---------------- PROOF ----------------
% 0.73/1.08  % SZS output start Refutation
% See solution above
% 0.73/1.08  ------------ end of proof -------------
% 0.73/1.08  
% 0.73/1.08  
% 0.73/1.08  ------------- memory usage ------------
% 0.73/1.08  Memory dynamically allocated (tp_alloc): 488.
% 0.73/1.08    type (bytes each)        gets      frees     in use      avail      bytes
% 0.73/1.08  sym_ent (  96)               59          0         59          0      5.5 K
% 0.73/1.08  term (  16)                4547       3975        572         23     11.4 K
% 0.73/1.08  gen_ptr (   8)             2863       1029       1834          7     14.4 K
% 0.73/1.08  context ( 808)             3998       3996          2          3      3.9 K
% 0.73/1.08  trail (  12)                194        194          0          4      0.0 K
% 0.73/1.08  bt_node (  68)             1783       1780          3          2      0.3 K
% 0.73/1.08  ac_position (285432)          0          0          0          0      0.0 K
% 0.73/1.08  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.73/1.08  ac_match_free_vars_pos (4020)
% 0.73/1.08                                0          0          0          0      0.0 K
% 0.73/1.08  discrim (  12)              549         28        521          0      6.1 K
% 0.73/1.08  flat (  40)                4282       4282          0         13      0.5 K
% 0.73/1.08  discrim_pos (  12)          222        222          0          1      0.0 K
% 0.73/1.08  fpa_head (  12)             382          0        382          0      4.5 K
% 0.73/1.08  fpa_tree (  28)             111        111          0         11      0.3 K
% 0.73/1.08  fpa_pos (  36)              110        110          0          1      0.0 K
% 0.73/1.08  literal (  12)              288        228         60          1      0.7 K
% 0.73/1.08  clause (  24)               288        228         60          1      1.4 K
% 0.73/1.08  list (  12)                 109         53         56          3      0.7 K
% 0.73/1.08  list_pos (  20)             253         38        215          0      4.2 K
% 0.73/1.08  pair_index (   40)              2          0          2          0      0.1 K
% 0.73/1.08  
% 0.73/1.08  -------------- statistics -------------
% 0.73/1.08  Clauses input                 18
% 0.73/1.08    Usable input                   0
% 0.73/1.08    Sos input                     18
% 0.73/1.08    Demodulators input             0
% 0.73/1.08    Passive input                  0
% 0.73/1.08  
% 0.73/1.08  Processed BS (before search)  20
% 0.73/1.08  Forward subsumed BS            2
% 0.73/1.08  Kept BS                       18
% 0.73/1.08  New demodulators BS           15
% 0.73/1.08  Back demodulated BS            0
% 0.73/1.08  
% 0.73/1.08  Clauses or pairs given       524
% 0.73/1.08  Clauses generated            185
% 0.73/1.08  Forward subsumed             143
% 0.73/1.08  Deleted by weight              0
% 0.73/1.08  Deleted by variable count      0
% 0.73/1.08  Kept                          42
% 0.73/1.08  New demodulators              35
% 0.73/1.08  Back demodulated               4
% 0.73/1.08  Ordered paramod prunes         0
% 0.73/1.08  Basic paramod prunes         652
% 0.73/1.08  Prime paramod prunes           1
% 0.73/1.08  Semantic prunes                0
% 0.73/1.08  
% 0.73/1.08  Rewrite attmepts            1262
% 0.73/1.08  Rewrites                     209
% 0.73/1.08  
% 0.73/1.08  FPA overloads                  0
% 0.73/1.08  FPA underloads                 0
% 0.73/1.08  
% 0.73/1.08  Usable size                    0
% 0.73/1.08  Sos size                      55
% 0.73/1.08  Demodulators size             46
% 0.73/1.08  Passive size                   0
% 0.73/1.08  Disabled size                  4
% 0.73/1.08  
% 0.73/1.08  Proofs found                   1
% 0.73/1.08  
% 0.73/1.08  ----------- times (seconds) ----------- Mon Jun 13 05:01:25 2022
% 0.73/1.08  
% 0.73/1.08  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.73/1.08  system CPU time           0.01   (0 hr, 0 min, 0 sec)
% 0.73/1.08  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.73/1.08  input time                0.00
% 0.73/1.08  paramodulation time       0.00
% 0.73/1.08  demodulation time         0.00
% 0.73/1.08  orient time               0.00
% 0.73/1.08  weigh time                0.00
% 0.73/1.08  forward subsume time      0.00
% 0.73/1.08  back demod find time      0.00
% 0.73/1.08  conflict time             0.00
% 0.73/1.08  LRPO time                 0.00
% 0.73/1.08  store clause time         0.00
% 0.73/1.08  disable clause time       0.00
% 0.73/1.08  prime paramod time        0.00
% 0.73/1.08  semantics time            0.00
% 0.73/1.08  
% 0.73/1.08  EQP interrupted
%------------------------------------------------------------------------------