TSTP Solution File: GRP170-2 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP170-2 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n016.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 08:45:40 EDT 2022

% Result   : Unsatisfiable 3.97s 4.39s
% Output   : Refutation 3.97s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   12 (  12 unt;   0 nHn;   5 RR)
%            Number of literals    :   12 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :   14 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(multiply(identity,A),A),
    file('GRP170-2.p',unknown),
    [] ).

cnf(6,plain,
    equal(greatest_lower_bound(greatest_lower_bound(A,B),C),greatest_lower_bound(A,greatest_lower_bound(B,C))),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(13,plain,
    equal(multiply(A,greatest_lower_bound(B,C)),greatest_lower_bound(multiply(A,B),multiply(A,C))),
    file('GRP170-2.p',unknown),
    [] ).

cnf(15,plain,
    equal(multiply(greatest_lower_bound(A,B),C),greatest_lower_bound(multiply(A,C),multiply(B,C))),
    file('GRP170-2.p',unknown),
    [] ).

cnf(16,plain,
    equal(greatest_lower_bound(a,b),a),
    file('GRP170-2.p',unknown),
    [] ).

cnf(17,plain,
    equal(greatest_lower_bound(c,d),c),
    file('GRP170-2.p',unknown),
    [] ).

cnf(18,plain,
    ~ equal(greatest_lower_bound(multiply(a,c),multiply(b,d)),multiply(a,c)),
    file('GRP170-2.p',unknown),
    [] ).

cnf(61,plain,
    equal(greatest_lower_bound(multiply(a,A),multiply(b,A)),multiply(a,A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[16,15]),1]),
    [iquote('para(16,15),flip(1)')] ).

cnf(63,plain,
    equal(greatest_lower_bound(multiply(A,c),multiply(A,d)),multiply(A,c)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[17,13]),1]),
    [iquote('para(17,13),flip(1)')] ).

cnf(388,plain,
    equal(greatest_lower_bound(multiply(a,A),greatest_lower_bound(multiply(b,A),B)),greatest_lower_bound(multiply(a,A),B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[61,6]),1]),
    [iquote('para(61,6),flip(1)')] ).

cnf(12171,plain,
    equal(greatest_lower_bound(multiply(a,c),multiply(b,d)),multiply(a,c)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[63,388]),61]),1]),
    [iquote('para(63,388),demod([61]),flip(1)')] ).

cnf(12172,plain,
    $false,
    inference(conflict,[status(thm)],[12171,18]),
    [iquote('conflict(12171,18)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : GRP170-2 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.12/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.34  % Computer : n016.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Tue Jun 14 01:38:00 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 3.97/4.39  ----- EQP 0.9e, May 2009 -----
% 3.97/4.39  The job began on n016.cluster.edu, Tue Jun 14 01:38:01 2022
% 3.97/4.39  The command was "./eqp09e".
% 3.97/4.39  
% 3.97/4.39  set(prolog_style_variables).
% 3.97/4.39  set(lrpo).
% 3.97/4.39  set(basic_paramod).
% 3.97/4.39  set(functional_subsume).
% 3.97/4.39  set(ordered_paramod).
% 3.97/4.39  set(prime_paramod).
% 3.97/4.39  set(para_pairs).
% 3.97/4.39  assign(pick_given_ratio,4).
% 3.97/4.39  clear(print_kept).
% 3.97/4.39  clear(print_new_demod).
% 3.97/4.39  clear(print_back_demod).
% 3.97/4.39  clear(print_given).
% 3.97/4.39  assign(max_mem,64000).
% 3.97/4.39  end_of_commands.
% 3.97/4.39  
% 3.97/4.39  Usable:
% 3.97/4.39  end_of_list.
% 3.97/4.39  
% 3.97/4.39  Sos:
% 3.97/4.39  0 (wt=-1) [] multiply(identity,A) = A.
% 3.97/4.39  0 (wt=-1) [] multiply(inverse(A),A) = identity.
% 3.97/4.39  0 (wt=-1) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 3.97/4.39  0 (wt=-1) [] greatest_lower_bound(A,B) = greatest_lower_bound(B,A).
% 3.97/4.39  0 (wt=-1) [] least_upper_bound(A,B) = least_upper_bound(B,A).
% 3.97/4.39  0 (wt=-1) [] greatest_lower_bound(A,greatest_lower_bound(B,C)) = greatest_lower_bound(greatest_lower_bound(A,B),C).
% 3.97/4.39  0 (wt=-1) [] least_upper_bound(A,least_upper_bound(B,C)) = least_upper_bound(least_upper_bound(A,B),C).
% 3.97/4.39  0 (wt=-1) [] least_upper_bound(A,A) = A.
% 3.97/4.39  0 (wt=-1) [] greatest_lower_bound(A,A) = A.
% 3.97/4.39  0 (wt=-1) [] least_upper_bound(A,greatest_lower_bound(A,B)) = A.
% 3.97/4.39  0 (wt=-1) [] greatest_lower_bound(A,least_upper_bound(A,B)) = A.
% 3.97/4.39  0 (wt=-1) [] multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)).
% 3.97/4.39  0 (wt=-1) [] multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 3.97/4.39  0 (wt=-1) [] multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)).
% 3.97/4.39  0 (wt=-1) [] multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 3.97/4.39  0 (wt=-1) [] greatest_lower_bound(a,b) = a.
% 3.97/4.39  0 (wt=-1) [] greatest_lower_bound(c,d) = c.
% 3.97/4.39  0 (wt=-1) [] -(greatest_lower_bound(multiply(a,c),multiply(b,d)) = multiply(a,c)).
% 3.97/4.39  end_of_list.
% 3.97/4.39  
% 3.97/4.39  Demodulators:
% 3.97/4.39  end_of_list.
% 3.97/4.39  
% 3.97/4.39  Passive:
% 3.97/4.39  end_of_list.
% 3.97/4.39  
% 3.97/4.39  Starting to process input.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 1 (wt=5) [] multiply(identity,A) = A.
% 3.97/4.39  1 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 2 (wt=6) [] multiply(inverse(A),A) = identity.
% 3.97/4.39  2 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 3 (wt=11) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 3.97/4.39  3 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 4 (wt=7) [] greatest_lower_bound(A,B) = greatest_lower_bound(B,A).
% 3.97/4.39  clause forward subsumed: 0 (wt=7) [flip(4)] greatest_lower_bound(B,A) = greatest_lower_bound(A,B).
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 5 (wt=7) [] least_upper_bound(A,B) = least_upper_bound(B,A).
% 3.97/4.39  clause forward subsumed: 0 (wt=7) [flip(5)] least_upper_bound(B,A) = least_upper_bound(A,B).
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 6 (wt=11) [flip(1)] greatest_lower_bound(greatest_lower_bound(A,B),C) = greatest_lower_bound(A,greatest_lower_bound(B,C)).
% 3.97/4.39  6 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 7 (wt=11) [flip(1)] least_upper_bound(least_upper_bound(A,B),C) = least_upper_bound(A,least_upper_bound(B,C)).
% 3.97/4.39  7 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 8 (wt=5) [] least_upper_bound(A,A) = A.
% 3.97/4.39  8 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 9 (wt=5) [] greatest_lower_bound(A,A) = A.
% 3.97/4.39  9 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 10 (wt=7) [] least_upper_bound(A,greatest_lower_bound(A,B)) = A.
% 3.97/4.39  10 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 11 (wt=7) [] greatest_lower_bound(A,least_upper_bound(A,B)) = A.
% 3.97/4.39  11 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 12 (wt=13) [] multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)).
% 3.97/4.39  12 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 13 (wt=13) [] multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 3.97/4.39  13 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 14 (wt=13) [] multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)).
% 3.97/4.39  14 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 15 (wt=13) [] multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 3.97/4.39  15 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 16 (wt=5) [] greatest_lower_bound(a,b) = a.
% 3.97/4.39  16 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 17 (wt=5) [] greatest_lower_bound(c,d) = c.
% 3.97/4.39  17 is a new demodulator.
% 3.97/4.39  
% 3.97/4.39  ** KEPT: 18 (wt=11) [] -(greatest_lower_bound(multiply(a,c),multiply(b,d)) = multiply(a,c)).
% 3.97/4.39  ---------------- PROOF FOUND ----------------
% 3.97/4.39  % SZS status Unsatisfiable
% 3.97/4.39  
% 3.97/4.39  
% 3.97/4.39  After processing input:
% 3.97/4.39  
% 3.97/4.39  Usable:
% 3.97/4.39  end_of_list.
% 3.97/4.39  
% 3.97/4.39  Sos:
% 3.97/4.39  1 (wt=5) [] multiply(identity,A) = A.
% 3.97/4.39  8 (wt=5) [] least_upper_bound(A,A) = A.
% 3.97/4.39  9 (wt=5) [] greatest_lower_bound(A,A) = A.
% 3.97/4.39  16 (wt=5) [] greatest_lower_bound(a,b) = a.
% 3.97/4.39  17 (wt=5) [] greatest_lower_bound(c,d) = c.
% 3.97/4.39  2 (wt=6) [] multiply(inverse(A),A) = identity.
% 3.97/4.39  4 (wt=7) [] greatest_lower_bound(A,B) = greatest_lower_bound(B,A).
% 3.97/4.39  5 (wt=7) [] least_upper_bound(A,B) = least_upper_bound(B,A).
% 3.97/4.39  10 (wt=7) [] least_upper_bound(A,greatest_lower_bound(A,B)) = A.
% 3.97/4.39  11 (wt=7) [] greatest_lower_bound(A,least_upper_bound(A,B)) = A.
% 3.97/4.39  3 (wt=11) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 3.97/4.39  6 (wt=11) [flip(1)] greatest_lower_bound(greatest_lower_bound(A,B),C) = greatest_lower_bound(A,greatest_lower_bound(B,C)).
% 3.97/4.39  7 (wt=11) [flip(1)] least_upper_bound(least_upper_bound(A,B),C) = least_upper_bound(A,least_upper_bound(B,C)).
% 3.97/4.39  18 (wt=11) [] -(greatest_lower_bound(multiply(a,c),multiply(b,d)) = multiply(a,c)).
% 3.97/4.39  12 (wt=13) [] multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)).
% 3.97/4.39  13 (wt=13) [] multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 3.97/4.39  14 (wt=13) [] multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)).
% 3.97/4.39  15 (wt=13) [] multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 3.97/4.39  end_of_list.
% 3.97/4.39  
% 3.97/4.39  Demodulators:
% 3.97/4.39  1 (wt=5) [] multiply(identity,A) = A.
% 3.97/4.39  2 (wt=6) [] multiply(inverse(A),A) = identity.
% 3.97/4.39  3 (wt=11) [] multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).
% 3.97/4.39  6 (wt=11) [flip(1)] greatest_lower_bound(greatest_lower_bound(A,B),C) = greatest_lower_bound(A,greatest_lower_bound(B,C)).
% 3.97/4.39  7 (wt=11) [flip(1)] least_upper_bound(least_upper_bound(A,B),C) = least_upper_bound(A,least_upper_bound(B,C)).
% 3.97/4.39  8 (wt=5) [] least_upper_bound(A,A) = A.
% 3.97/4.39  9 (wt=5) [] greatest_lower_bound(A,A) = A.
% 3.97/4.39  10 (wt=7) [] least_upper_bound(A,greatest_lower_bound(A,B)) = A.
% 3.97/4.39  11 (wt=7) [] greatest_lower_bound(A,least_upper_bound(A,B)) = A.
% 3.97/4.39  12 (wt=13) [] multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)).
% 3.97/4.39  13 (wt=13) [] multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 3.97/4.39  14 (wt=13) [] multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)).
% 3.97/4.39  15 (wt=13) [] multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 3.97/4.39  16 (wt=5) [] greatest_lower_bound(a,b) = a.
% 3.97/4.39  17 (wt=5) [] greatest_lower_bound(c,d) = c.
% 3.97/4.39  end_of_list.
% 3.97/4.39  
% 3.97/4.39  Passive:
% 3.97/4.39  end_of_list.
% 3.97/4.39  
% 3.97/4.39  UNIT CONFLICT from 12171 and 18 at   2.18 seconds.
% 3.97/4.39  
% 3.97/4.39  ---------------- PROOF ----------------
% 3.97/4.39  % SZS output start Refutation
% See solution above
% 3.97/4.39  ------------ end of proof -------------
% 3.97/4.39  
% 3.97/4.39  
% 3.97/4.39  ------------- memory usage ------------
% 3.97/4.39  Memory dynamically allocated (tp_alloc): 24414.
% 3.97/4.39    type (bytes each)        gets      frees     in use      avail      bytes
% 3.97/4.39  sym_ent (  96)               60          0         60          0      5.6 K
% 3.97/4.39  term (  16)             1741725    1409124     332601         25   6449.0 K
% 3.97/4.39  gen_ptr (   8)          1775697     242235    1533462         22  11980.3 K
% 3.97/4.39  context ( 808)          2528041    2528039          2          6      6.3 K
% 3.97/4.39  trail (  12)             117237     117237          0          7      0.1 K
% 3.97/4.39  bt_node (  68)          1359513    1359508          5         22      1.8 K
% 3.97/4.39  ac_position (285432)          0          0          0          0      0.0 K
% 3.97/4.39  ac_match_pos (14044)          0          0          0          0      0.0 K
% 3.97/4.39  ac_match_free_vars_pos (4020)
% 3.97/4.39                                0          0          0          0      0.0 K
% 3.97/4.39  discrim (  12)           270661       9285     261376        103   3064.2 K
% 3.97/4.39  flat (  40)             3875951    3875951          0        185      7.2 K
% 3.97/4.39  discrim_pos (  12)        79809      79809          0          1      0.0 K
% 3.97/4.39  fpa_head (  12)           24531          0      24531          0    287.5 K
% 3.97/4.39  fpa_tree (  28)           52762      52762          0         83      2.3 K
% 3.97/4.39  fpa_pos (  36)            20670      20670          0          1      0.0 K
% 3.97/4.39  literal (  12)            70534      58363      12171          1    142.6 K
% 3.97/4.39  clause (  24)             70534      58363      12171          1    285.3 K
% 3.97/4.39  list (  12)                8558       8502         56          3      0.7 K
% 3.97/4.39  list_pos (  20)           46615       3380      43235         19    844.8 K
% 3.97/4.39  pair_index (   40)              2          0          2          0      0.1 K
% 3.97/4.39  
% 3.97/4.39  -------------- statistics -------------
% 3.97/4.39  Clauses input                 18
% 3.97/4.39    Usable input                   0
% 3.97/4.39    Sos input                     18
% 3.97/4.39    Demodulators input             0
% 3.97/4.39    Passive input                  0
% 3.97/4.39  
% 3.97/4.39  Processed BS (before search)  20
% 3.97/4.39  Forward subsumed BS            2
% 3.97/4.39  Kept BS                       18
% 3.97/4.39  New demodulators BS           15
% 3.97/4.39  Back demodulated BS            0
% 3.97/4.39  
% 3.97/4.39  Clauses or pairs given    255460
% 3.97/4.39  Clauses generated          47330
% 3.97/4.39  Forward subsumed           35177
% 3.97/4.39  Deleted by weight              0
% 3.97/4.39  Deleted by variable count      0
% 3.97/4.39  Kept                       12153
% 3.97/4.39  New demodulators            8484
% 3.97/4.39  Back demodulated             794
% 3.97/4.39  Ordered paramod prunes         0
% 3.97/4.39  Basic paramod prunes     1638222
% 3.97/4.39  Prime paramod prunes        2053
% 3.97/4.39  Semantic prunes                0
% 3.97/4.39  
% 3.97/4.39  Rewrite attmepts          684462
% 3.97/4.39  Rewrites                   69035
% 3.97/4.39  
% 3.97/4.39  FPA overloads                  0
% 3.97/4.39  FPA underloads                 0
% 3.97/4.39  
% 3.97/4.39  Usable size                    0
% 3.97/4.39  Sos size                   11376
% 3.97/4.39  Demodulators size           8313
% 3.97/4.39  Passive size                   0
% 3.97/4.39  Disabled size                794
% 3.97/4.39  
% 3.97/4.39  Proofs found                   1
% 3.97/4.39  
% 3.97/4.39  ----------- times (seconds) ----------- Tue Jun 14 01:38:04 2022
% 3.97/4.39  
% 3.97/4.39  user CPU time             2.18   (0 hr, 0 min, 2 sec)
% 3.97/4.39  system CPU time           1.12   (0 hr, 0 min, 1 sec)
% 3.97/4.39  wall-clock time           3      (0 hr, 0 min, 3 sec)
% 3.97/4.39  input time                0.00
% 3.97/4.39  paramodulation time       0.36
% 3.97/4.39  demodulation time         0.16
% 3.97/4.39  orient time               0.09
% 3.97/4.39  weigh time                0.02
% 3.97/4.39  forward subsume time      0.05
% 3.97/4.39  back demod find time      0.15
% 3.97/4.39  conflict time             0.01
% 3.97/4.39  LRPO time                 0.04
% 3.97/4.39  store clause time         0.92
% 3.97/4.39  disable clause time       0.05
% 3.97/4.39  prime paramod time        0.06
% 3.97/4.39  semantics time            0.00
% 3.97/4.39  
% 3.97/4.39  EQP interrupted
%------------------------------------------------------------------------------