TSTP Solution File: REL049+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : REL049+1 : TPTP v8.1.2. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n006.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  : 300s
% DateTime : Thu Aug 31 13:41:09 EDT 2023

% Result   : Theorem 1.69s 1.16s
% Output   : CNFRefutation 1.69s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   23 (  17 unt;   0 def)
%            Number of atoms       :   38 (  37 equ)
%            Maximal formula atoms :    6 (   1 avg)
%            Number of connectives :   25 (  10   ~;   0   |;  12   &)
%                                         (   0 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   30 (   0 sgn;  16   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0,X1] : join(X0,X1) = join(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',maddux1_join_commutativity) ).

fof(f2,axiom,
    ! [X0,X1,X2] : join(X0,join(X1,X2)) = join(join(X0,X1),X2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',maddux2_join_associativity) ).

fof(f14,conjecture,
    ! [X0,X1,X2] :
      ( ( join(X2,X1) = X1
        & join(X0,X1) = X1 )
     => join(join(X0,X2),X1) = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',goals) ).

fof(f15,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ( ( join(X2,X1) = X1
          & join(X0,X1) = X1 )
       => join(join(X0,X2),X1) = X1 ),
    inference(negated_conjecture,[],[f14]) ).

fof(f16,plain,
    ? [X0,X1,X2] :
      ( join(join(X0,X2),X1) != X1
      & join(X2,X1) = X1
      & join(X0,X1) = X1 ),
    inference(ennf_transformation,[],[f15]) ).

fof(f17,plain,
    ? [X0,X1,X2] :
      ( join(join(X0,X2),X1) != X1
      & join(X2,X1) = X1
      & join(X0,X1) = X1 ),
    inference(flattening,[],[f16]) ).

fof(f18,plain,
    ( ? [X0,X1,X2] :
        ( join(join(X0,X2),X1) != X1
        & join(X2,X1) = X1
        & join(X0,X1) = X1 )
   => ( sK1 != join(join(sK0,sK2),sK1)
      & sK1 = join(sK2,sK1)
      & sK1 = join(sK0,sK1) ) ),
    introduced(choice_axiom,[]) ).

fof(f19,plain,
    ( sK1 != join(join(sK0,sK2),sK1)
    & sK1 = join(sK2,sK1)
    & sK1 = join(sK0,sK1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f17,f18]) ).

fof(f20,plain,
    ! [X0,X1] : join(X0,X1) = join(X1,X0),
    inference(cnf_transformation,[],[f1]) ).

fof(f21,plain,
    ! [X2,X0,X1] : join(X0,join(X1,X2)) = join(join(X0,X1),X2),
    inference(cnf_transformation,[],[f2]) ).

fof(f33,plain,
    sK1 = join(sK0,sK1),
    inference(cnf_transformation,[],[f19]) ).

fof(f34,plain,
    sK1 = join(sK2,sK1),
    inference(cnf_transformation,[],[f19]) ).

fof(f35,plain,
    sK1 != join(join(sK0,sK2),sK1),
    inference(cnf_transformation,[],[f19]) ).

cnf(c_49,plain,
    join(X0,X1) = join(X1,X0),
    inference(cnf_transformation,[],[f20]) ).

cnf(c_50,plain,
    join(join(X0,X1),X2) = join(X0,join(X1,X2)),
    inference(cnf_transformation,[],[f21]) ).

cnf(c_61,negated_conjecture,
    join(join(sK0,sK2),sK1) != sK1,
    inference(cnf_transformation,[],[f35]) ).

cnf(c_62,negated_conjecture,
    join(sK2,sK1) = sK1,
    inference(cnf_transformation,[],[f34]) ).

cnf(c_63,negated_conjecture,
    join(sK0,sK1) = sK1,
    inference(cnf_transformation,[],[f33]) ).

cnf(c_78,negated_conjecture,
    join(sK1,join(sK0,sK2)) != sK1,
    inference(theory_normalisation,[status(thm)],[c_61,c_50,c_49]) ).

cnf(c_79,negated_conjecture,
    join(sK1,sK2) = sK1,
    inference(theory_normalisation,[status(thm)],[c_62,c_50,c_49]) ).

cnf(c_80,negated_conjecture,
    join(sK1,sK0) = sK1,
    inference(theory_normalisation,[status(thm)],[c_63,c_50,c_49]) ).

cnf(c_113,plain,
    join(sK0,sK1) != sK1,
    inference(ac_demodulation,[status(thm)],[c_78,c_79,c_50,c_49]) ).

cnf(c_114,plain,
    $false,
    inference(ac_demodulation,[status(thm)],[c_113,c_80,c_50,c_49]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : REL049+1 : TPTP v8.1.2. Released v4.0.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.12/0.34  % Computer : n006.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  : 300
% 0.12/0.34  % DateTime : Fri Aug 25 22:40:07 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.19/0.47  Running first-order theorem proving
% 0.19/0.47  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 1.69/1.16  % SZS status Started for theBenchmark.p
% 1.69/1.16  % SZS status Theorem for theBenchmark.p
% 1.69/1.16  
% 1.69/1.16  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.69/1.16  
% 1.69/1.16  ------  iProver source info
% 1.69/1.16  
% 1.69/1.16  git: date: 2023-05-31 18:12:56 +0000
% 1.69/1.16  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.69/1.16  git: non_committed_changes: false
% 1.69/1.16  git: last_make_outside_of_git: false
% 1.69/1.16  
% 1.69/1.16  ------ Parsing...
% 1.69/1.16  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.69/1.16  
% 1.69/1.16  ------ Preprocessing...
% 1.69/1.16  
% 1.69/1.16  % SZS status Theorem for theBenchmark.p
% 1.69/1.16  
% 1.69/1.16  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.69/1.16  
% 1.69/1.16  
%------------------------------------------------------------------------------