TSTP Solution File: ROB030-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : ROB030-1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n032.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 : Mon Jul 18 20:51:41 EDT 2022

% Result   : Unsatisfiable 0.46s 0.87s
% Output   : Refutation 0.46s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    2
% Syntax   : Number of clauses     :    4 (   4 unt;   0 nHn;   4 RR)
%            Number of literals    :    4 (   0 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    3 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :    2 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(4,plain,
    equal(add(c,d),d),
    file('ROB030-1.p',unknown),
    [] ).

cnf(5,plain,
    ~ equal(negate(add(A,B)),negate(B)),
    file('ROB030-1.p',unknown),
    [] ).

cnf(7,plain,
    ~ equal(negate(d),negate(d)),
    inference(para,[status(thm),theory(equality)],[4,5]),
    [iquote('para(4,5)')] ).

cnf(8,plain,
    $false,
    inference(conflict,[status(thm)],[7]),
    [iquote('xx_conflict(7)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem  : ROB030-1 : TPTP v8.1.0. Released v3.1.0.
% 0.00/0.09  % Command  : tptp2X_and_run_eqp %s
% 0.08/0.27  % Computer : n032.cluster.edu
% 0.08/0.27  % Model    : x86_64 x86_64
% 0.08/0.27  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.27  % Memory   : 8042.1875MB
% 0.08/0.27  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.08/0.27  % CPULimit : 300
% 0.08/0.27  % WCLimit  : 600
% 0.08/0.27  % DateTime : Thu Jun  9 13:15:37 EDT 2022
% 0.08/0.28  % CPUTime  : 
% 0.46/0.87  ----- EQP 0.9e, May 2009 -----
% 0.46/0.87  The job began on n032.cluster.edu, Thu Jun  9 13:15:38 2022
% 0.46/0.87  The command was "./eqp09e".
% 0.46/0.87  
% 0.46/0.87  set(prolog_style_variables).
% 0.46/0.87  set(lrpo).
% 0.46/0.87  set(basic_paramod).
% 0.46/0.87  set(functional_subsume).
% 0.46/0.87  set(ordered_paramod).
% 0.46/0.87  set(prime_paramod).
% 0.46/0.87  set(para_pairs).
% 0.46/0.87  assign(pick_given_ratio,4).
% 0.46/0.87  clear(print_kept).
% 0.46/0.87  clear(print_new_demod).
% 0.46/0.87  clear(print_back_demod).
% 0.46/0.87  clear(print_given).
% 0.46/0.87  assign(max_mem,64000).
% 0.46/0.87  end_of_commands.
% 0.46/0.87  
% 0.46/0.87  Usable:
% 0.46/0.87  end_of_list.
% 0.46/0.87  
% 0.46/0.87  Sos:
% 0.46/0.87  0 (wt=-1) [] add(A,B) = add(B,A).
% 0.46/0.87  0 (wt=-1) [] add(add(A,B),C) = add(A,add(B,C)).
% 0.46/0.87  0 (wt=-1) [] negate(add(negate(add(A,B)),negate(add(A,negate(B))))) = A.
% 0.46/0.87  0 (wt=-1) [] add(c,d) = d.
% 0.46/0.87  0 (wt=-1) [] -(negate(add(A,B)) = negate(B)).
% 0.46/0.87  end_of_list.
% 0.46/0.87  
% 0.46/0.87  Demodulators:
% 0.46/0.87  end_of_list.
% 0.46/0.87  
% 0.46/0.87  Passive:
% 0.46/0.87  end_of_list.
% 0.46/0.87  
% 0.46/0.87  Starting to process input.
% 0.46/0.87  
% 0.46/0.87  ** KEPT: 1 (wt=7) [] add(A,B) = add(B,A).
% 0.46/0.87  clause forward subsumed: 0 (wt=7) [flip(1)] add(B,A) = add(A,B).
% 0.46/0.87  
% 0.46/0.87  ** KEPT: 2 (wt=11) [] add(add(A,B),C) = add(A,add(B,C)).
% 0.46/0.87  2 is a new demodulator.
% 0.46/0.87  
% 0.46/0.87  ** KEPT: 3 (wt=13) [] negate(add(negate(add(A,B)),negate(add(A,negate(B))))) = A.
% 0.46/0.87  3 is a new demodulator.
% 0.46/0.87  
% 0.46/0.87  ** KEPT: 4 (wt=5) [] add(c,d) = d.
% 0.46/0.87  4 is a new demodulator.
% 0.46/0.87  
% 0.46/0.87  ** KEPT: 5 (wt=7) [] -(negate(add(A,B)) = negate(B)).
% 0.46/0.87  ---------------- PROOF FOUND ----------------
% 0.46/0.87  % SZS status Unsatisfiable
% 0.46/0.87  
% 0.46/0.87  
% 0.46/0.87  After processing input:
% 0.46/0.87  
% 0.46/0.87  Usable:
% 0.46/0.87  end_of_list.
% 0.46/0.87  
% 0.46/0.87  Sos:
% 0.46/0.87  4 (wt=5) [] add(c,d) = d.
% 0.46/0.87  1 (wt=7) [] add(A,B) = add(B,A).
% 0.46/0.87  5 (wt=7) [] -(negate(add(A,B)) = negate(B)).
% 0.46/0.87  2 (wt=11) [] add(add(A,B),C) = add(A,add(B,C)).
% 0.46/0.87  3 (wt=13) [] negate(add(negate(add(A,B)),negate(add(A,negate(B))))) = A.
% 0.46/0.87  end_of_list.
% 0.46/0.87  
% 0.46/0.87  Demodulators:
% 0.46/0.87  2 (wt=11) [] add(add(A,B),C) = add(A,add(B,C)).
% 0.46/0.87  3 (wt=13) [] negate(add(negate(add(A,B)),negate(add(A,negate(B))))) = A.
% 0.46/0.87  4 (wt=5) [] add(c,d) = d.
% 0.46/0.87  end_of_list.
% 0.46/0.87  
% 0.46/0.87  Passive:
% 0.46/0.87  end_of_list.
% 0.46/0.87  
% 0.46/0.87  UNIT CONFLICT from 7 and x=x at   0.00 seconds.
% 0.46/0.87  
% 0.46/0.87  ---------------- PROOF ----------------
% 0.46/0.87  % SZS output start Refutation
% See solution above
% 0.46/0.87  ------------ end of proof -------------
% 0.46/0.87  
% 0.46/0.87  
% 0.46/0.87  ------------- memory usage ------------
% 0.46/0.87  Memory dynamically allocated (tp_alloc): 488.
% 0.46/0.87    type (bytes each)        gets      frees     in use      avail      bytes
% 0.46/0.87  sym_ent (  96)               57          0         57          0      5.3 K
% 0.46/0.87  term (  16)                 469        412         57          9      1.3 K
% 0.46/0.87  gen_ptr (   8)              217         64        153          3      1.2 K
% 0.46/0.87  context ( 808)              107        105          2          2      3.2 K
% 0.46/0.87  trail (  12)                  7          7          0          3      0.0 K
% 0.46/0.87  bt_node (  68)               30         27          3          2      0.3 K
% 0.46/0.87  ac_position (285432)          0          0          0          0      0.0 K
% 0.46/0.87  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.46/0.87  ac_match_free_vars_pos (4020)
% 0.46/0.87                                0          0          0          0      0.0 K
% 0.46/0.87  discrim (  12)               64          0         64          0      0.8 K
% 0.46/0.87  flat (  40)                  93         93          0          7      0.3 K
% 0.46/0.87  discrim_pos (  12)            1          1          0          1      0.0 K
% 0.46/0.87  fpa_head (  12)              77          0         77          0      0.9 K
% 0.46/0.87  fpa_tree (  28)              13         13          0          3      0.1 K
% 0.46/0.87  fpa_pos (  36)               10         10          0          1      0.0 K
% 0.46/0.87  literal (  12)               17         10          7          0      0.1 K
% 0.46/0.87  clause (  24)                17         10          7          0      0.2 K
% 0.46/0.87  list (  12)                  63          7         56          3      0.7 K
% 0.46/0.87  list_pos (  20)              27          5         22          0      0.4 K
% 0.46/0.87  pair_index (   40)              2          0          2          0      0.1 K
% 0.46/0.87  
% 0.46/0.87  -------------- statistics -------------
% 0.46/0.87  Clauses input                  5
% 0.46/0.87    Usable input                   0
% 0.46/0.87    Sos input                      5
% 0.46/0.87    Demodulators input             0
% 0.46/0.87    Passive input                  0
% 0.46/0.87  
% 0.46/0.87  Processed BS (before search)   6
% 0.46/0.87  Forward subsumed BS            1
% 0.46/0.87  Kept BS                        5
% 0.46/0.87  New demodulators BS            3
% 0.46/0.87  Back demodulated BS            0
% 0.46/0.87  
% 0.46/0.87  Clauses or pairs given         6
% 0.46/0.87  Clauses generated              5
% 0.46/0.87  Forward subsumed               3
% 0.46/0.87  Deleted by weight              0
% 0.46/0.87  Deleted by variable count      0
% 0.46/0.87  Kept                           2
% 0.46/0.87  New demodulators               1
% 0.46/0.87  Back demodulated               0
% 0.46/0.87  Ordered paramod prunes         0
% 0.46/0.87  Basic paramod prunes           6
% 0.46/0.87  Prime paramod prunes           0
% 0.46/0.87  Semantic prunes                0
% 0.46/0.87  
% 0.46/0.87  Rewrite attmepts              47
% 0.46/0.87  Rewrites                       0
% 0.46/0.87  
% 0.46/0.87  FPA overloads                  0
% 0.46/0.87  FPA underloads                 0
% 0.46/0.87  
% 0.46/0.87  Usable size                    0
% 0.46/0.87  Sos size                       6
% 0.46/0.87  Demodulators size              4
% 0.46/0.87  Passive size                   0
% 0.46/0.87  Disabled size                  0
% 0.46/0.87  
% 0.46/0.87  Proofs found                   1
% 0.46/0.87  
% 0.46/0.87  ----------- times (seconds) ----------- Thu Jun  9 13:15:38 2022
% 0.46/0.87  
% 0.46/0.87  user CPU time             0.00   (0 hr, 0 min, 0 sec)
% 0.46/0.87  system CPU time           0.00   (0 hr, 0 min, 0 sec)
% 0.46/0.87  wall-clock time           0      (0 hr, 0 min, 0 sec)
% 0.46/0.87  input time                0.00
% 0.46/0.87  paramodulation time       0.00
% 0.46/0.87  demodulation time         0.00
% 0.46/0.87  orient time               0.00
% 0.46/0.87  weigh time                0.00
% 0.46/0.87  forward subsume time      0.00
% 0.46/0.87  back demod find time      0.00
% 0.46/0.87  conflict time             0.00
% 0.46/0.87  LRPO time                 0.00
% 0.46/0.87  store clause time         0.00
% 0.46/0.87  disable clause time       0.00
% 0.46/0.87  prime paramod time        0.00
% 0.46/0.87  semantics time            0.00
% 0.46/0.87  
% 0.46/0.87  EQP interrupted
%------------------------------------------------------------------------------