TSTP Solution File: ALG245-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : ALG245-1 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n021.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 : Thu Jul 14 15:38:50 EDT 2022

% Result   : Unsatisfiable 2.05s 2.46s
% Output   : Refutation 2.05s
% Verified : 
% SZS Type : ERROR: Analysing output (Cycle in a tree)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(mult(mult(A,B),mult(A,C)),mult(A,mult(B,C))),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(4,plain,
    equal(mult(mult(mult(A,B),mult(C,D)),mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D)))),mult(mult(A,C),mult(B,D))),
    file('ALG245-1.p',unknown),
    [] ).

cnf(5,plain,
    equal(mult(mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D))),mult(mult(A,C),mult(B,D))),mult(mult(A,B),mult(C,D))),
    file('ALG245-1.p',unknown),
    [] ).

cnf(6,plain,
    equal(mult(A,A),A),
    file('ALG245-1.p',unknown),
    [] ).

cnf(7,plain,
    ~ equal(mult(mult(mult(a,c),mult(b,d)),mult(mult(a,b),mult(c,d))),mult(mult(mult(a,b),mult(c,d)),mult(mult(a,c),mult(b,d)))),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(8,plain,
    equal(mult(mult(A,B),A),mult(A,mult(B,A))),
    inference(para,[status(thm),theory(equality)],[6,1]),
    [iquote('para(6,1)')] ).

cnf(51,plain,
    equal(mult(mult(mult(A,B),mult(C,D)),mult(mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D))),E)),mult(mult(mult(A,C),mult(B,D)),mult(mult(mult(A,B),mult(C,D)),E))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,1]),1]),
    [iquote('para(4,1),flip(1)')] ).

cnf(52,plain,
    equal(mult(mult(mult(mult(A,B),mult(C,D)),E),mult(mult(A,C),mult(B,D))),mult(mult(mult(A,B),mult(C,D)),mult(E,mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D)))))),
    inference(para,[status(thm),theory(equality)],[4,1]),
    [iquote('para(4,1)')] ).

cnf(53,plain,
    equal(mult(mult(mult(A,B),mult(C,D)),mult(mult(mult(A,C),mult(B,D)),mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D))))),mult(mult(A,B),mult(C,D))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[5]),52]),
    [iquote('back_demod(5),demod([52])')] ).

cnf(148,plain,
    equal(mult(mult(mult(A,B),mult(C,D)),mult(mult(mult(A,B),mult(C,D)),mult(mult(mult(A,C),mult(B,D)),mult(mult(A,B),mult(C,D))))),mult(mult(mult(A,C),mult(B,D)),mult(mult(A,B),mult(C,D)))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,8]),8]),1]),
    [iquote('para(4,8),demod([8]),flip(1)')] ).

cnf(7139,plain,
    equal(mult(mult(mult(A,B),mult(C,D)),mult(mult(mult(A,C),mult(B,D)),mult(mult(A,B),mult(C,D)))),mult(mult(A,C),mult(B,D))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[52,51]),53,6]),1]),
    [iquote('para(52,51),demod([53,6]),flip(1)')] ).

cnf(7149,plain,
    equal(mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D))),mult(mult(mult(A,C),mult(B,D)),mult(mult(A,B),mult(C,D)))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[148]),7139]),
    [iquote('back_demod(148),demod([7139])')] ).

cnf(7150,plain,
    $false,
    inference(conflict,[status(thm)],[7149,7]),
    [iquote('conflict(7149,7)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : ALG245-1 : TPTP v8.1.0. Released v4.0.0.
% 0.07/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.34  % Computer : n021.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 : Wed Jun  8 08:42:22 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 2.05/2.46  ----- EQP 0.9e, May 2009 -----
% 2.05/2.46  The job began on n021.cluster.edu, Wed Jun  8 08:42:23 2022
% 2.05/2.46  The command was "./eqp09e".
% 2.05/2.46  
% 2.05/2.46  set(prolog_style_variables).
% 2.05/2.46  set(lrpo).
% 2.05/2.46  set(basic_paramod).
% 2.05/2.46  set(functional_subsume).
% 2.05/2.46  set(ordered_paramod).
% 2.05/2.46  set(prime_paramod).
% 2.05/2.46  set(para_pairs).
% 2.05/2.46  assign(pick_given_ratio,4).
% 2.05/2.46  clear(print_kept).
% 2.05/2.46  clear(print_new_demod).
% 2.05/2.46  clear(print_back_demod).
% 2.05/2.46  clear(print_given).
% 2.05/2.46  assign(max_mem,64000).
% 2.05/2.46  end_of_commands.
% 2.05/2.46  
% 2.05/2.46  Usable:
% 2.05/2.46  end_of_list.
% 2.05/2.46  
% 2.05/2.46  Sos:
% 2.05/2.46  0 (wt=-1) [] mult(A,mult(B,C)) = mult(mult(A,B),mult(A,C)).
% 2.05/2.46  0 (wt=-1) [] mult(mult(A,B),C) = mult(mult(A,C),mult(B,C)).
% 2.05/2.46  0 (wt=-1) [] mult(mult(mult(A,B),mult(C,D)),mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D)))) = mult(mult(A,C),mult(B,D)).
% 2.05/2.46  0 (wt=-1) [] mult(mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D))),mult(mult(A,C),mult(B,D))) = mult(mult(A,B),mult(C,D)).
% 2.05/2.46  0 (wt=-1) [] mult(A,A) = A.
% 2.05/2.46  0 (wt=-1) [] -(mult(mult(mult(a,b),mult(c,d)),mult(mult(a,c),mult(b,d))) = mult(mult(mult(a,c),mult(b,d)),mult(mult(a,b),mult(c,d)))).
% 2.05/2.46  end_of_list.
% 2.05/2.46  
% 2.05/2.46  Demodulators:
% 2.05/2.46  end_of_list.
% 2.05/2.46  
% 2.05/2.46  Passive:
% 2.05/2.46  end_of_list.
% 2.05/2.46  
% 2.05/2.46  Starting to process input.
% 2.05/2.46  
% 2.05/2.46  ** KEPT: 1 (wt=13) [flip(1)] mult(mult(A,B),mult(A,C)) = mult(A,mult(B,C)).
% 2.05/2.46  1 is a new demodulator.
% 2.05/2.46  
% 2.05/2.46  ** KEPT: 2 (wt=13) [] mult(mult(A,B),C) = mult(mult(A,C),mult(B,C)).
% 2.05/2.46  
% 2.05/2.46  ** KEPT: 3 (wt=13) [flip(2)] mult(mult(A,B),mult(C,B)) = mult(mult(A,C),B).
% 2.05/2.46  clause forward subsumed: 0 (wt=13) [flip(3)] mult(mult(A,C),B) = mult(mult(A,B),mult(C,B)).
% 2.05/2.46  
% 2.05/2.46  ** KEPT: 4 (wt=31) [] mult(mult(mult(A,B),mult(C,D)),mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D)))) = mult(mult(A,C),mult(B,D)).
% 2.05/2.46  4 is a new demodulator.
% 2.05/2.46  
% 2.05/2.46  ** KEPT: 5 (wt=31) [] mult(mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D))),mult(mult(A,C),mult(B,D))) = mult(mult(A,B),mult(C,D)).
% 2.05/2.46  5 is a new demodulator.
% 2.05/2.46  
% 2.05/2.46  ** KEPT: 6 (wt=5) [] mult(A,A) = A.
% 2.05/2.46  6 is a new demodulator.
% 2.05/2.46  
% 2.05/2.46  ** KEPT: 7 (wt=31) [flip(1)] -(mult(mult(mult(a,c),mult(b,d)),mult(mult(a,b),mult(c,d))) = mult(mult(mult(a,b),mult(c,d)),mult(mult(a,c),mult(b,d)))).
% 2.05/2.46  ---------------- PROOF FOUND ----------------
% 2.05/2.46  % SZS status Unsatisfiable
% 2.05/2.46  
% 2.05/2.46  
% 2.05/2.46  After processing input:
% 2.05/2.46  
% 2.05/2.46  Usable:
% 2.05/2.46  end_of_list.
% 2.05/2.46  
% 2.05/2.46  Sos:
% 2.05/2.46  6 (wt=5) [] mult(A,A) = A.
% 2.05/2.46  1 (wt=13) [flip(1)] mult(mult(A,B),mult(A,C)) = mult(A,mult(B,C)).
% 2.05/2.46  2 (wt=13) [] mult(mult(A,B),C) = mult(mult(A,C),mult(B,C)).
% 2.05/2.46  3 (wt=13) [flip(2)] mult(mult(A,B),mult(C,B)) = mult(mult(A,C),B).
% 2.05/2.46  4 (wt=31) [] mult(mult(mult(A,B),mult(C,D)),mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D)))) = mult(mult(A,C),mult(B,D)).
% 2.05/2.46  5 (wt=31) [] mult(mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D))),mult(mult(A,C),mult(B,D))) = mult(mult(A,B),mult(C,D)).
% 2.05/2.46  7 (wt=31) [flip(1)] -(mult(mult(mult(a,c),mult(b,d)),mult(mult(a,b),mult(c,d))) = mult(mult(mult(a,b),mult(c,d)),mult(mult(a,c),mult(b,d)))).
% 2.05/2.46  end_of_list.
% 2.05/2.46  
% 2.05/2.46  Demodulators:
% 2.05/2.46  1 (wt=13) [flip(1)] mult(mult(A,B),mult(A,C)) = mult(A,mult(B,C)).
% 2.05/2.46  4 (wt=31) [] mult(mult(mult(A,B),mult(C,D)),mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D)))) = mult(mult(A,C),mult(B,D)).
% 2.05/2.46  5 (wt=31) [] mult(mult(mult(mult(A,B),mult(C,D)),mult(mult(A,C),mult(B,D))),mult(mult(A,C),mult(B,D))) = mult(mult(A,B),mult(C,D)).
% 2.05/2.46  6 (wt=5) [] mult(A,A) = A.
% 2.05/2.46  end_of_list.
% 2.05/2.46  
% 2.05/2.46  Passive:
% 2.05/2.46  end_of_list.
% 2.05/2.46  
% 2.05/2.46  UNIT CONFLICT from 7149 and 7 at   1.21 seconds.
% 2.05/2.46  
% 2.05/2.46  ---------------- PROOF ----------------
% 2.05/2.46  % SZS output start Refutation
% See solution above
% 2.05/2.46  ------------ end of proof -------------
% 2.05/2.46  
% 2.05/2.46  
% 2.05/2.46  ------------- memory usage ------------
% 2.05/2.46  Memory dynamically allocated (tp_alloc): 17089.
% 2.05/2.46    type (bytes each)        gets      frees     in use      avail      bytes
% 2.05/2.46  sym_ent (  96)               57          0         57          0      5.3 K
% 2.05/2.46  term (  16)              850151     591356     258795         48   5027.6 K
% 2.05/2.46  gen_ptr (   8)          1240618      92158    1148460         50   8972.7 K
% 2.05/2.46  context ( 808)           415273     415271          2          5      5.5 K
% 2.05/2.46  trail (  12)             766788     766788          0          7      0.1 K
% 2.05/2.46  bt_node (  68)            67474      67463         11         14      1.7 K
% 2.05/2.46  ac_position (285432)          0          0          0          0      0.0 K
% 2.05/2.46  ac_match_pos (14044)          0          0          0          0      0.0 K
% 2.05/2.46  ac_match_free_vars_pos (4020)
% 2.05/2.46                                0          0          0          0      0.0 K
% 2.05/2.46  discrim (  12)           183008      18947     164061        197   1924.9 K
% 2.05/2.46  flat (  40)             2453762    2453762          0         89      3.5 K
% 2.05/2.46  discrim_pos (  12)        26869      26869          0          1      0.0 K
% 2.05/2.46  fpa_head (  12)            1363          0       1363          0     16.0 K
% 2.05/2.46  fpa_tree (  28)           37372      37372          0         89      2.4 K
% 2.05/2.46  fpa_pos (  36)             9586       9586          0          1      0.0 K
% 2.05/2.46  literal (  12)            30923      23774       7149          1     83.8 K
% 2.05/2.46  clause (  24)             30923      23774       7149          1    167.6 K
% 2.05/2.46  list (  12)                2496       2439         57          2      0.7 K
% 2.05/2.46  list_pos (  20)           25269       3129      22140         11    432.6 K
% 2.05/2.46  pair_index (   40)              2          0          2          0      0.1 K
% 2.05/2.46  
% 2.05/2.46  -------------- statistics -------------
% 2.05/2.46  Clauses input                  6
% 2.05/2.46    Usable input                   0
% 2.05/2.46    Sos input                      6
% 2.05/2.46    Demodulators input             0
% 2.05/2.46    Passive input                  0
% 2.05/2.46  
% 2.05/2.46  Processed BS (before search)   8
% 2.05/2.46  Forward subsumed BS            1
% 2.05/2.46  Kept BS                        7
% 2.05/2.46  New demodulators BS            4
% 2.05/2.46  Back demodulated BS            0
% 2.05/2.46  
% 2.05/2.46  Clauses or pairs given      3305
% 2.05/2.46  Clauses generated          16731
% 2.05/2.46  Forward subsumed            9589
% 2.05/2.46  Deleted by weight              0
% 2.05/2.46  Deleted by variable count      0
% 2.05/2.46  Kept                        7142
% 2.05/2.46  New demodulators            2433
% 2.05/2.46  Back demodulated             688
% 2.05/2.46  Ordered paramod prunes         0
% 2.05/2.46  Basic paramod prunes        6693
% 2.05/2.46  Prime paramod prunes         295
% 2.05/2.46  Semantic prunes                0
% 2.05/2.46  
% 2.05/2.46  Rewrite attmepts          321975
% 2.05/2.46  Rewrites                   20955
% 2.05/2.46  
% 2.05/2.46  FPA overloads                  0
% 2.05/2.46  FPA underloads                 0
% 2.05/2.46  
% 2.05/2.46  Usable size                    0
% 2.05/2.46  Sos size                    6460
% 2.05/2.46  Demodulators size           2071
% 2.05/2.46  Passive size                   0
% 2.05/2.46  Disabled size                688
% 2.05/2.46  
% 2.05/2.46  Proofs found                   1
% 2.05/2.46  
% 2.05/2.46  ----------- times (seconds) ----------- Wed Jun  8 08:42:24 2022
% 2.05/2.46  
% 2.05/2.46  user CPU time             1.21   (0 hr, 0 min, 1 sec)
% 2.05/2.46  system CPU time           0.19   (0 hr, 0 min, 0 sec)
% 2.05/2.46  wall-clock time           1      (0 hr, 0 min, 1 sec)
% 2.05/2.46  input time                0.00
% 2.05/2.46  paramodulation time       0.05
% 2.05/2.46  demodulation time         0.14
% 2.05/2.46  orient time               0.05
% 2.05/2.46  weigh time                0.01
% 2.05/2.46  forward subsume time      0.07
% 2.05/2.46  back demod find time      0.40
% 2.05/2.46  conflict time             0.01
% 2.05/2.46  LRPO time                 0.03
% 2.05/2.46  store clause time         0.34
% 2.05/2.46  disable clause time       0.03
% 2.05/2.46  prime paramod time        0.02
% 2.05/2.46  semantics time            0.00
% 2.05/2.46  
% 2.05/2.46  EQP interrupted
%------------------------------------------------------------------------------