TSTP Solution File: SET903+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET903+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n015.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 15:10:34 EDT 2023

% Result   : Theorem 1.85s 1.10s
% Output   : CNFRefutation 1.85s
% Verified : 
% SZS Type : ERROR: Analysing output (Could not find formula named f41)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0,X1] : set_union2(X0,X1) = set_union2(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k2_xboole_0) ).

fof(f9,conjecture,
    ! [X0,X1,X2] :
      ~ ( empty_set != X2
        & empty_set != X1
        & X1 != X2
        & singleton(X0) = set_union2(X1,X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t44_zfmisc_1) ).

fof(f10,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ~ ( empty_set != X2
          & empty_set != X1
          & X1 != X2
          & singleton(X0) = set_union2(X1,X2) ),
    inference(negated_conjecture,[],[f9]) ).

fof(f15,plain,
    ? [X0,X1,X2] :
      ( empty_set != X2
      & empty_set != X1
      & X1 != X2
      & singleton(X0) = set_union2(X1,X2) ),
    inference(ennf_transformation,[],[f10]) ).

fof(f20,plain,
    ( ? [X0,X1,X2] :
        ( empty_set != X2
        & empty_set != X1
        & X1 != X2
        & singleton(X0) = set_union2(X1,X2) )
   => ( empty_set != sK4
      & empty_set != sK3
      & sK3 != sK4
      & singleton(sK2) = set_union2(sK3,sK4) ) ),
    introduced(choice_axiom,[]) ).

fof(f21,plain,
    ( empty_set != sK4
    & empty_set != sK3
    & sK3 != sK4
    & singleton(sK2) = set_union2(sK3,sK4) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4])],[f15,f20]) ).

fof(f22,plain,
    ! [X0,X1] : set_union2(X0,X1) = set_union2(X1,X0),
    inference(cnf_transformation,[],[f1]) ).

fof(f37,plain,
    singleton(sK2) = set_union2(sK3,sK4),
    inference(cnf_transformation,[],[f21]) ).

fof(f38,plain,
    sK3 != sK4,
    inference(cnf_transformation,[],[f21]) ).

fof(f39,plain,
    empty_set != sK3,
    inference(cnf_transformation,[],[f21]) ).

fof(f40,plain,
    empty_set != sK4,
    inference(cnf_transformation,[],[f21]) ).

cnf(c_49,plain,
    set_union2(X0,X1) = set_union2(X1,X0),
    inference(cnf_transformation,[],[f22]) ).

cnf(c_56,plain,
    ( set_union2(X0,X1) != singleton(X2)
    | singleton(X2) = X1
    | X1 = empty_set ),
    inference(cnf_transformation,[],[f41]) ).

cnf(c_63,plain,
    ( set_union2(X0,X1) != singleton(X2)
    | singleton(X2) = X0
    | X0 = empty_set ),
    inference(cnf_transformation,[],[f44]) ).

cnf(c_64,negated_conjecture,
    empty_set != sK4,
    inference(cnf_transformation,[],[f40]) ).

cnf(c_65,negated_conjecture,
    empty_set != sK3,
    inference(cnf_transformation,[],[f39]) ).

cnf(c_66,negated_conjecture,
    sK4 != sK3,
    inference(cnf_transformation,[],[f38]) ).

cnf(c_67,negated_conjecture,
    set_union2(sK3,sK4) = singleton(sK2),
    inference(cnf_transformation,[],[f37]) ).

cnf(c_130,plain,
    set_union2(sK4,sK3) = singleton(sK2),
    inference(demodulation,[status(thm)],[c_67,c_49]) ).

cnf(c_403,plain,
    ( singleton(X0) != singleton(sK2)
    | singleton(X0) = sK3
    | empty_set = sK3 ),
    inference(superposition,[status(thm)],[c_130,c_56]) ).

cnf(c_404,plain,
    ( singleton(X0) != singleton(sK2)
    | singleton(X0) = sK3 ),
    inference(forward_subsumption_resolution,[status(thm)],[c_403,c_65]) ).

cnf(c_417,plain,
    ( singleton(X0) != singleton(sK2)
    | singleton(X0) = sK4
    | empty_set = sK4 ),
    inference(superposition,[status(thm)],[c_130,c_63]) ).

cnf(c_418,plain,
    ( singleton(X0) != singleton(sK2)
    | singleton(X0) = sK4 ),
    inference(forward_subsumption_resolution,[status(thm)],[c_417,c_64]) ).

cnf(c_434,plain,
    singleton(sK2) = sK3,
    inference(equality_resolution,[status(thm)],[c_404]) ).

cnf(c_441,plain,
    ( singleton(X0) != sK3
    | singleton(X0) = sK4 ),
    inference(light_normalisation,[status(thm)],[c_418,c_434]) ).

cnf(c_446,plain,
    singleton(sK2) = sK4,
    inference(superposition,[status(thm)],[c_434,c_441]) ).

cnf(c_447,plain,
    sK4 = sK3,
    inference(demodulation,[status(thm)],[c_434,c_446]) ).

cnf(c_448,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_447,c_66]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET903+1 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.12  % Command  : run_iprover %s %d THM
% 0.12/0.33  % Computer : n015.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Sat Aug 26 08:51:23 EDT 2023
% 0.12/0.33  % CPUTime  : 
% 0.17/0.44  Running first-order theorem proving
% 0.17/0.44  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 1.85/1.10  % SZS status Started for theBenchmark.p
% 1.85/1.10  % SZS status Theorem for theBenchmark.p
% 1.85/1.10  
% 1.85/1.10  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.85/1.10  
% 1.85/1.10  ------  iProver source info
% 1.85/1.10  
% 1.85/1.10  git: date: 2023-05-31 18:12:56 +0000
% 1.85/1.10  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.85/1.10  git: non_committed_changes: false
% 1.85/1.10  git: last_make_outside_of_git: false
% 1.85/1.10  
% 1.85/1.10  ------ Parsing...
% 1.85/1.10  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.85/1.10  
% 1.85/1.10  ------ Preprocessing... sup_sim: 1  sf_s  rm: 1 0s  sf_e  pe_s  pe_e  sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 1.85/1.10  
% 1.85/1.10  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.85/1.10  
% 1.85/1.10  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 1.85/1.10  ------ Proving...
% 1.85/1.10  ------ Problem Properties 
% 1.85/1.10  
% 1.85/1.10  
% 1.85/1.10  clauses                                 14
% 1.85/1.10  conjectures                             3
% 1.85/1.10  EPR                                     6
% 1.85/1.10  Horn                                    11
% 1.85/1.10  unary                                   9
% 1.85/1.10  binary                                  2
% 1.85/1.10  lits                                    22
% 1.85/1.10  lits eq                                 15
% 1.85/1.10  fd_pure                                 0
% 1.85/1.10  fd_pseudo                               0
% 1.85/1.10  fd_cond                                 0
% 1.85/1.10  fd_pseudo_cond                          3
% 1.85/1.10  AC symbols                              0
% 1.85/1.10  
% 1.85/1.10  ------ Schedule dynamic 5 is on 
% 1.85/1.10  
% 1.85/1.10  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.85/1.10  
% 1.85/1.10  
% 1.85/1.10  ------ 
% 1.85/1.10  Current options:
% 1.85/1.10  ------ 
% 1.85/1.10  
% 1.85/1.10  
% 1.85/1.10  
% 1.85/1.10  
% 1.85/1.10  ------ Proving...
% 1.85/1.10  
% 1.85/1.10  
% 1.85/1.10  % SZS status Theorem for theBenchmark.p
% 1.85/1.10  
% 1.85/1.10  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.85/1.10  
% 1.85/1.10  
%------------------------------------------------------------------------------