TSTP Solution File: NUN089+2 by iProver---3.9

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%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : NUN089+2 : TPTP v8.1.2. Released v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n022.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 : Fri May  3 02:53:21 EDT 2024

% Result   : Theorem 0.49s 1.17s
% Output   : CNFRefutation 0.49s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   23 (   8 unt;   0 def)
%            Number of atoms       :   72 (  14 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :   82 (  33   ~;  21   |;  24   &)
%                                         (   0 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :   44 (   3 sgn  23   !;  16   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f11,axiom,
    ! [X40,X41] :
      ( ~ r2(X40,X41)
      | ! [X42] :
          ( X41 != X42
          | ~ r1(X42) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_7a) ).

fof(f12,conjecture,
    ! [X38] :
      ( ! [X15] :
          ( ~ r1(X15)
          | X15 != X38 )
      | ! [X21] :
          ( ~ r2(X21,X38)
          | ! [X22] :
              ( ~ r2(X22,X21)
              | ~ r1(X22) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',zerouneqtwo) ).

fof(f13,negated_conjecture,
    ~ ! [X38] :
        ( ! [X15] :
            ( ~ r1(X15)
            | X15 != X38 )
        | ! [X21] :
            ( ~ r2(X21,X38)
            | ! [X22] :
                ( ~ r2(X22,X21)
                | ~ r1(X22) ) ) ),
    inference(negated_conjecture,[],[f12]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ~ r2(X0,X1)
      | ! [X2] :
          ( X1 != X2
          | ~ r1(X2) ) ),
    inference(rectify,[],[f11]) ).

fof(f24,plain,
    ~ ! [X0] :
        ( ! [X1] :
            ( ~ r1(X1)
            | X0 != X1 )
        | ! [X2] :
            ( ~ r2(X2,X0)
            | ! [X3] :
                ( ~ r2(X3,X2)
                | ~ r1(X3) ) ) ),
    inference(rectify,[],[f13]) ).

fof(f25,plain,
    ? [X0] :
      ( ? [X1] :
          ( r1(X1)
          & X0 = X1 )
      & ? [X2] :
          ( r2(X2,X0)
          & ? [X3] :
              ( r2(X3,X2)
              & r1(X3) ) ) ),
    inference(ennf_transformation,[],[f24]) ).

fof(f54,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( r1(X1)
            & X0 = X1 )
        & ? [X2] :
            ( r2(X2,X0)
            & ? [X3] :
                ( r2(X3,X2)
                & r1(X3) ) ) )
   => ( ? [X1] :
          ( r1(X1)
          & sK20 = X1 )
      & ? [X2] :
          ( r2(X2,sK20)
          & ? [X3] :
              ( r2(X3,X2)
              & r1(X3) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f55,plain,
    ( ? [X1] :
        ( r1(X1)
        & sK20 = X1 )
   => ( r1(sK21)
      & sK20 = sK21 ) ),
    introduced(choice_axiom,[]) ).

fof(f56,plain,
    ( ? [X2] :
        ( r2(X2,sK20)
        & ? [X3] :
            ( r2(X3,X2)
            & r1(X3) ) )
   => ( r2(sK22,sK20)
      & ? [X3] :
          ( r2(X3,sK22)
          & r1(X3) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f57,plain,
    ( ? [X3] :
        ( r2(X3,sK22)
        & r1(X3) )
   => ( r2(sK23,sK22)
      & r1(sK23) ) ),
    introduced(choice_axiom,[]) ).

fof(f58,plain,
    ( r1(sK21)
    & sK20 = sK21
    & r2(sK22,sK20)
    & r2(sK23,sK22)
    & r1(sK23) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK20,sK21,sK22,sK23])],[f25,f57,f56,f55,f54]) ).

fof(f97,plain,
    ! [X2,X0,X1] :
      ( ~ r2(X0,X1)
      | X1 != X2
      | ~ r1(X2) ),
    inference(cnf_transformation,[],[f23]) ).

fof(f100,plain,
    r2(sK22,sK20),
    inference(cnf_transformation,[],[f58]) ).

fof(f101,plain,
    sK20 = sK21,
    inference(cnf_transformation,[],[f58]) ).

fof(f102,plain,
    r1(sK21),
    inference(cnf_transformation,[],[f58]) ).

fof(f106,plain,
    r2(sK22,sK21),
    inference(definition_unfolding,[],[f100,f101]) ).

fof(f116,plain,
    ! [X2,X0] :
      ( ~ r2(X0,X2)
      | ~ r1(X2) ),
    inference(equality_resolution,[],[f97]) ).

cnf(c_76,plain,
    ( ~ r2(X0,X1)
    | ~ r1(X1) ),
    inference(cnf_transformation,[],[f116]) ).

cnf(c_77,negated_conjecture,
    r1(sK21),
    inference(cnf_transformation,[],[f102]) ).

cnf(c_78,negated_conjecture,
    r2(sK22,sK21),
    inference(cnf_transformation,[],[f106]) ).

cnf(c_384,plain,
    ( X0 != sK21
    | ~ r2(X1,X0) ),
    inference(resolution_lifted,[status(thm)],[c_76,c_77]) ).

cnf(c_385,plain,
    ~ r2(X0,sK21),
    inference(unflattening,[status(thm)],[c_384]) ).

cnf(c_414,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_78,c_385]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.13  % Problem  : NUN089+2 : TPTP v8.1.2. Released v7.3.0.
% 0.11/0.14  % Command  : run_iprover %s %d THM
% 0.13/0.35  % Computer : n022.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Thu May  2 21:38:27 EDT 2024
% 0.13/0.35  % CPUTime  : 
% 0.21/0.48  Running first-order theorem proving
% 0.21/0.48  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.49/1.17  % SZS status Started for theBenchmark.p
% 0.49/1.17  % SZS status Theorem for theBenchmark.p
% 0.49/1.17  
% 0.49/1.17  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 0.49/1.17  
% 0.49/1.17  ------  iProver source info
% 0.49/1.17  
% 0.49/1.17  git: date: 2024-05-02 19:28:25 +0000
% 0.49/1.17  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 0.49/1.17  git: non_committed_changes: false
% 0.49/1.17  
% 0.49/1.17  ------ Parsing...
% 0.49/1.17  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.49/1.17  
% 0.49/1.17  ------ Preprocessing... sup_sim: 1  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe:2:0s
% 0.49/1.17  
% 0.49/1.17  % SZS status Theorem for theBenchmark.p
% 0.49/1.17  
% 0.49/1.17  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.49/1.17  
% 0.49/1.17  
%------------------------------------------------------------------------------