TSTP Solution File: GRP445-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP445-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n027.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 08:47:27 EDT 2022

% Result   : Unsatisfiable 0.67s 1.13s
% Output   : Refutation 0.67s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   21 (  21 unt;   0 nHn;   3 RR)
%            Number of literals    :   21 (   0 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   45 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(divide(A,divide(divide(divide(divide(A,A),B),C),divide(divide(divide(A,A),A),C))),B),
    file('GRP445-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,B),divide(A,divide(divide(C,C),B))),
    file('GRP445-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(divide(A,divide(divide(B,B),C)),multiply(A,C)),
    inference(flip,[status(thm),theory(equality)],[2]),
    [iquote('flip(2)')] ).

cnf(4,plain,
    equal(inverse(A),divide(divide(B,B),A)),
    file('GRP445-1.p',unknown),
    [] ).

cnf(5,plain,
    equal(divide(divide(A,A),B),inverse(B)),
    inference(flip,[status(thm),theory(equality)],[4]),
    [iquote('flip(4)')] ).

cnf(6,plain,
    ~ equal(multiply(inverse(b1),b1),multiply(inverse(a1),a1)),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(8,plain,
    equal(divide(inverse(divide(A,A)),B),inverse(B)),
    inference(para,[status(thm),theory(equality)],[5,5]),
    [iquote('para(5,5)')] ).

cnf(9,plain,
    equal(inverse(A),divide(inverse(divide(B,B)),A)),
    inference(flip,[status(thm),theory(equality)],[8]),
    [iquote('flip(8)')] ).

cnf(12,plain,
    equal(divide(A,divide(divide(B,C),divide(divide(divide(A,A),A),C))),divide(divide(divide(divide(divide(A,A),divide(A,A)),B),D),divide(divide(divide(divide(A,A),divide(A,A)),divide(A,A)),D))),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(20,plain,
    equal(divide(inverse(divide(A,A)),B),divide(divide(C,C),B)),
    inference(para,[status(thm),theory(equality)],[9,4]),
    [iquote('para(9,4)')] ).

cnf(21,plain,
    equal(divide(divide(A,A),B),divide(inverse(divide(C,C)),B)),
    inference(flip,[status(thm),theory(equality)],[20]),
    [iquote('flip(20)')] ).

cnf(54,plain,
    equal(divide(A,inverse(B)),multiply(A,B)),
    inference(para,[status(thm),theory(equality)],[5,3]),
    [iquote('para(5,3)')] ).

cnf(55,plain,
    equal(multiply(A,B),divide(A,inverse(B))),
    inference(flip,[status(thm),theory(equality)],[54]),
    [iquote('flip(54)')] ).

cnf(65,plain,
    equal(divide(A,divide(divide(inverse(B),C),divide(divide(divide(A,A),A),C))),B),
    inference(para,[status(thm),theory(equality)],[5,1]),
    [iquote('para(5,1)')] ).

cnf(66,plain,
    equal(divide(A,divide(inverse(B),divide(divide(divide(A,A),A),B))),divide(A,A)),
    inference(para,[status(thm),theory(equality)],[5,1]),
    [iquote('para(5,1)')] ).

cnf(77,plain,
    ~ equal(divide(inverse(b1),inverse(b1)),multiply(inverse(a1),a1)),
    inference(para,[status(thm),theory(equality)],[55,6]),
    [iquote('para(55,6)')] ).

cnf(205,plain,
    equal(divide(divide(divide(divide(divide(A,A),divide(A,A)),divide(B,B)),C),divide(divide(divide(divide(A,A),divide(A,A)),divide(A,A)),C)),divide(A,A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[5,12]),66]),1]),
    [iquote('para(5,12),demod([66]),flip(1)')] ).

cnf(566,plain,
    equal(divide(A,A),divide(B,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[21,12]),65,205]),
    [iquote('para(21,12),demod([65,205])')] ).

cnf(577,plain,
    equal(multiply(inverse(A),A),divide(B,B)),
    inference(para,[status(thm),theory(equality)],[54,566]),
    [iquote('para(54,566)')] ).

cnf(578,plain,
    equal(divide(A,A),multiply(inverse(B),B)),
    inference(flip,[status(thm),theory(equality)],[577]),
    [iquote('flip(577)')] ).

cnf(579,plain,
    $false,
    inference(conflict,[status(thm)],[578,77]),
    [iquote('conflict(578,77)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP445-1 : TPTP v8.1.0. Released v2.6.0.
% 0.07/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.34  % Computer : n027.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  : 600
% 0.13/0.34  % DateTime : Mon Jun 13 14:02:32 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.67/1.13  ----- EQP 0.9e, May 2009 -----
% 0.67/1.13  The job began on n027.cluster.edu, Mon Jun 13 14:02:33 2022
% 0.67/1.13  The command was "./eqp09e".
% 0.67/1.13  
% 0.67/1.13  set(prolog_style_variables).
% 0.67/1.13  set(lrpo).
% 0.67/1.13  set(basic_paramod).
% 0.67/1.13  set(functional_subsume).
% 0.67/1.13  set(ordered_paramod).
% 0.67/1.13  set(prime_paramod).
% 0.67/1.13  set(para_pairs).
% 0.67/1.13  assign(pick_given_ratio,4).
% 0.67/1.13  clear(print_kept).
% 0.67/1.13  clear(print_new_demod).
% 0.67/1.13  clear(print_back_demod).
% 0.67/1.13  clear(print_given).
% 0.67/1.13  assign(max_mem,64000).
% 0.67/1.13  end_of_commands.
% 0.67/1.13  
% 0.67/1.13  Usable:
% 0.67/1.13  end_of_list.
% 0.67/1.13  
% 0.67/1.13  Sos:
% 0.67/1.13  0 (wt=-1) [] divide(A,divide(divide(divide(divide(A,A),B),C),divide(divide(divide(A,A),A),C))) = B.
% 0.67/1.13  0 (wt=-1) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.67/1.13  0 (wt=-1) [] inverse(A) = divide(divide(B,B),A).
% 0.67/1.13  0 (wt=-1) [] -(multiply(inverse(a1),a1) = multiply(inverse(b1),b1)).
% 0.67/1.13  end_of_list.
% 0.67/1.13  
% 0.67/1.13  Demodulators:
% 0.67/1.13  end_of_list.
% 0.67/1.13  
% 0.67/1.13  Passive:
% 0.67/1.13  end_of_list.
% 0.67/1.13  
% 0.67/1.13  Starting to process input.
% 0.67/1.13  
% 0.67/1.13  ** KEPT: 1 (wt=19) [] divide(A,divide(divide(divide(divide(A,A),B),C),divide(divide(divide(A,A),A),C))) = B.
% 0.67/1.13  1 is a new demodulator.
% 0.67/1.13  
% 0.67/1.13  ** KEPT: 2 (wt=11) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.67/1.13  
% 0.67/1.13  ** KEPT: 3 (wt=11) [flip(2)] divide(A,divide(divide(B,B),C)) = multiply(A,C).
% 0.67/1.13  clause forward subsumed: 0 (wt=11) [flip(3)] multiply(A,C) = divide(A,divide(divide(B,B),C)).
% 0.67/1.13  
% 0.67/1.13  ** KEPT: 4 (wt=8) [] inverse(A) = divide(divide(B,B),A).
% 0.67/1.13  
% 0.67/1.13  ** KEPT: 5 (wt=8) [flip(4)] divide(divide(A,A),B) = inverse(B).
% 0.67/1.13  clause forward subsumed: 0 (wt=8) [flip(5)] inverse(B) = divide(divide(A,A),B).
% 0.67/1.13  
% 0.67/1.13  ** KEPT: 6 (wt=9) [flip(1)] -(multiply(inverse(b1),b1) = multiply(inverse(a1),a1)).
% 0.67/1.13  ---------------- PROOF FOUND ----------------
% 0.67/1.13  % SZS status Unsatisfiable
% 0.67/1.13  
% 0.67/1.13  
% 0.67/1.13  After processing input:
% 0.67/1.13  
% 0.67/1.13  Usable:
% 0.67/1.13  end_of_list.
% 0.67/1.13  
% 0.67/1.13  Sos:
% 0.67/1.13  4 (wt=8) [] inverse(A) = divide(divide(B,B),A).
% 0.67/1.13  5 (wt=8) [flip(4)] divide(divide(A,A),B) = inverse(B).
% 0.67/1.13  6 (wt=9) [flip(1)] -(multiply(inverse(b1),b1) = multiply(inverse(a1),a1)).
% 0.67/1.13  2 (wt=11) [] multiply(A,B) = divide(A,divide(divide(C,C),B)).
% 0.67/1.13  3 (wt=11) [flip(2)] divide(A,divide(divide(B,B),C)) = multiply(A,C).
% 0.67/1.13  1 (wt=19) [] divide(A,divide(divide(divide(divide(A,A),B),C),divide(divide(divide(A,A),A),C))) = B.
% 0.67/1.13  end_of_list.
% 0.67/1.13  
% 0.67/1.13  Demodulators:
% 0.67/1.13  1 (wt=19) [] divide(A,divide(divide(divide(divide(A,A),B),C),divide(divide(divide(A,A),A),C))) = B.
% 0.67/1.13  end_of_list.
% 0.67/1.13  
% 0.67/1.13  Passive:
% 0.67/1.13  end_of_list.
% 0.67/1.13  
% 0.67/1.13  UNIT CONFLICT from 578 and 77 at   0.04 seconds.
% 0.67/1.13  
% 0.67/1.13  ---------------- PROOF ----------------
% 0.67/1.13  % SZS output start Refutation
% See solution above
% 0.67/1.13  ------------ end of proof -------------
% 0.67/1.13  
% 0.67/1.13  
% 0.67/1.13  ------------- memory usage ------------
% 0.67/1.13  Memory dynamically allocated (tp_alloc): 1464.
% 0.67/1.13    type (bytes each)        gets      frees     in use      avail      bytes
% 0.67/1.13  sym_ent (  96)               56          0         56          0      5.2 K
% 0.67/1.13  term (  16)               28256      14618      13638         46    265.0 K
% 0.67/1.13  gen_ptr (   8)            69963       1298      68665         20    536.6 K
% 0.67/1.13  context ( 808)            19123      19121          2          2      3.2 K
% 0.67/1.13  trail (  12)                371        371          0          6      0.1 K
% 0.67/1.13  bt_node (  68)             3228       3225          3         14      1.1 K
% 0.67/1.13  ac_position (285432)          0          0          0          0      0.0 K
% 0.67/1.13  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.67/1.13  ac_match_free_vars_pos (4020)
% 0.67/1.13                                0          0          0          0      0.0 K
% 0.67/1.13  discrim (  12)            10137        159       9978          0    116.9 K
% 0.67/1.13  flat (  40)               78819      78819          0        119      4.6 K
% 0.67/1.13  discrim_pos (  12)          413        413          0          1      0.0 K
% 0.67/1.13  fpa_head (  12)            3790          0       3790          0     44.4 K
% 0.67/1.13  fpa_tree (  28)            1385       1385          0         39      1.1 K
% 0.67/1.13  fpa_pos (  36)              633        633          0          1      0.0 K
% 0.67/1.13  literal (  12)             2020       1442        578          1      6.8 K
% 0.67/1.13  clause (  24)              2020       1442        578          1     13.6 K
% 0.67/1.13  list (  12)                 114         58         56          3      0.7 K
% 0.67/1.13  list_pos (  20)            1796         19       1777          0     34.7 K
% 0.67/1.13  pair_index (   40)              2          0          2          0      0.1 K
% 0.67/1.13  
% 0.67/1.13  -------------- statistics -------------
% 0.67/1.13  Clauses input                  4
% 0.67/1.13    Usable input                   0
% 0.67/1.13    Sos input                      4
% 0.67/1.13    Demodulators input             0
% 0.67/1.13    Passive input                  0
% 0.67/1.13  
% 0.67/1.13  Processed BS (before search)   8
% 0.67/1.13  Forward subsumed BS            2
% 0.67/1.13  Kept BS                        6
% 0.67/1.13  New demodulators BS            1
% 0.67/1.13  Back demodulated BS            0
% 0.67/1.13  
% 0.67/1.13  Clauses or pairs given       724
% 0.67/1.13  Clauses generated            974
% 0.67/1.13  Forward subsumed             402
% 0.67/1.13  Deleted by weight              0
% 0.67/1.13  Deleted by variable count      0
% 0.67/1.13  Kept                         572
% 0.67/1.13  New demodulators              54
% 0.67/1.13  Back demodulated               3
% 0.67/1.13  Ordered paramod prunes         0
% 0.67/1.13  Basic paramod prunes        1376
% 0.67/1.13  Prime paramod prunes           0
% 0.67/1.13  Semantic prunes                0
% 0.67/1.13  
% 0.67/1.13  Rewrite attmepts           11811
% 0.67/1.13  Rewrites                      30
% 0.67/1.13  
% 0.67/1.13  FPA overloads                  0
% 0.67/1.13  FPA underloads                 0
% 0.67/1.13  
% 0.67/1.13  Usable size                    0
% 0.67/1.13  Sos size                     574
% 0.67/1.13  Demodulators size             52
% 0.67/1.13  Passive size                   0
% 0.67/1.13  Disabled size                  3
% 0.67/1.13  
% 0.67/1.13  Proofs found                   1
% 0.67/1.13  
% 0.67/1.13  ----------- times (seconds) ----------- Mon Jun 13 14:02:33 2022
% 0.67/1.13  
% 0.67/1.13  user CPU time             0.04   (0 hr, 0 min, 0 sec)
% 0.67/1.13  system CPU time           0.02   (0 hr, 0 min, 0 sec)
% 0.67/1.13  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.67/1.13  input time                0.00
% 0.67/1.13  paramodulation time       0.01
% 0.67/1.13  demodulation time         0.01
% 0.67/1.13  orient time               0.00
% 0.67/1.13  weigh time                0.00
% 0.67/1.13  forward subsume time      0.00
% 0.67/1.13  back demod find time      0.00
% 0.67/1.13  conflict time             0.00
% 0.67/1.13  LRPO time                 0.00
% 0.67/1.13  store clause time         0.01
% 0.67/1.13  disable clause time       0.00
% 0.67/1.13  prime paramod time        0.00
% 0.67/1.13  semantics time            0.00
% 0.67/1.13  
% 0.67/1.13  EQP interrupted
%------------------------------------------------------------------------------