TSTP Solution File: SET886+1 by iProver---3.9

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%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SET886+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n017.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 03:01:55 EDT 2024

% Result   : Theorem 0.48s 1.18s
% Output   : CNFRefutation 0.48s
% Verified : 
% SZS Type : ERROR: Analysing output (Could not find formula named definition)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

fof(f5,axiom,
    ! [X0,X1,X2] :
      ( subset(unordered_pair(X0,X1),singleton(X2))
     => X0 = X2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t26_zfmisc_1) ).

fof(f6,conjecture,
    ! [X0,X1,X2] :
      ( subset(unordered_pair(X0,X1),singleton(X2))
     => unordered_pair(X0,X1) = singleton(X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t27_zfmisc_1) ).

fof(f7,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ( subset(unordered_pair(X0,X1),singleton(X2))
       => unordered_pair(X0,X1) = singleton(X2) ),
    inference(negated_conjecture,[],[f6]) ).

fof(f8,axiom,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t69_enumset1) ).

fof(f10,plain,
    ! [X0,X1,X2] :
      ( X0 = X2
      | ~ subset(unordered_pair(X0,X1),singleton(X2)) ),
    inference(ennf_transformation,[],[f5]) ).

fof(f11,plain,
    ? [X0,X1,X2] :
      ( unordered_pair(X0,X1) != singleton(X2)
      & subset(unordered_pair(X0,X1),singleton(X2)) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f16,plain,
    ( ? [X0,X1,X2] :
        ( unordered_pair(X0,X1) != singleton(X2)
        & subset(unordered_pair(X0,X1),singleton(X2)) )
   => ( unordered_pair(sK2,sK3) != singleton(sK4)
      & subset(unordered_pair(sK2,sK3),singleton(sK4)) ) ),
    introduced(choice_axiom,[]) ).

fof(f17,plain,
    ( unordered_pair(sK2,sK3) != singleton(sK4)
    & subset(unordered_pair(sK2,sK3),singleton(sK4)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4])],[f11,f16]) ).

fof(f18,plain,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    inference(cnf_transformation,[],[f1]) ).

fof(f22,plain,
    ! [X2,X0,X1] :
      ( X0 = X2
      | ~ subset(unordered_pair(X0,X1),singleton(X2)) ),
    inference(cnf_transformation,[],[f10]) ).

fof(f23,plain,
    subset(unordered_pair(sK2,sK3),singleton(sK4)),
    inference(cnf_transformation,[],[f17]) ).

fof(f24,plain,
    unordered_pair(sK2,sK3) != singleton(sK4),
    inference(cnf_transformation,[],[f17]) ).

fof(f25,plain,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    inference(cnf_transformation,[],[f8]) ).

fof(f26,plain,
    ! [X2,X0,X1] :
      ( X0 = X2
      | ~ subset(unordered_pair(X0,X1),unordered_pair(X2,X2)) ),
    inference(definition_unfolding,[],[f22,f25]) ).

fof(f27,plain,
    unordered_pair(sK2,sK3) != unordered_pair(sK4,sK4),
    inference(definition_unfolding,[],[f24,f25]) ).

fof(f28,plain,
    subset(unordered_pair(sK2,sK3),unordered_pair(sK4,sK4)),
    inference(definition_unfolding,[],[f23,f25]) ).

cnf(c_49,plain,
    unordered_pair(X0,X1) = unordered_pair(X1,X0),
    inference(cnf_transformation,[],[f18]) ).

cnf(c_53,plain,
    ( ~ subset(unordered_pair(X0,X1),unordered_pair(X2,X2))
    | X0 = X2 ),
    inference(cnf_transformation,[],[f26]) ).

cnf(c_54,negated_conjecture,
    unordered_pair(sK2,sK3) != unordered_pair(sK4,sK4),
    inference(cnf_transformation,[],[f27]) ).

cnf(c_55,negated_conjecture,
    subset(unordered_pair(sK2,sK3),unordered_pair(sK4,sK4)),
    inference(cnf_transformation,[],[f28]) ).

cnf(c_156,plain,
    unordered_pair(sK2,sK3) = sP0_iProver_def,
    definition ).

cnf(c_157,plain,
    unordered_pair(sK4,sK4) = sP1_iProver_def,
    definition ).

cnf(c_158,negated_conjecture,
    subset(sP0_iProver_def,sP1_iProver_def),
    inference(demodulation,[status(thm)],[c_55,c_157,c_156]) ).

cnf(c_159,negated_conjecture,
    sP0_iProver_def != sP1_iProver_def,
    inference(demodulation,[status(thm)],[c_54]) ).

cnf(c_252,plain,
    ( ~ subset(unordered_pair(X0,X1),unordered_pair(X2,X2))
    | X1 = X2 ),
    inference(superposition,[status(thm)],[c_49,c_53]) ).

cnf(c_254,plain,
    ( ~ subset(sP0_iProver_def,unordered_pair(X0,X0))
    | X0 = sK2 ),
    inference(superposition,[status(thm)],[c_156,c_53]) ).

cnf(c_273,plain,
    ( ~ subset(sP0_iProver_def,unordered_pair(X0,X0))
    | X0 = sK3 ),
    inference(superposition,[status(thm)],[c_156,c_252]) ).

cnf(c_285,plain,
    ( ~ subset(sP0_iProver_def,sP1_iProver_def)
    | sK2 = sK4 ),
    inference(superposition,[status(thm)],[c_157,c_254]) ).

cnf(c_286,plain,
    sK2 = sK4,
    inference(forward_subsumption_resolution,[status(thm)],[c_285,c_158]) ).

cnf(c_288,plain,
    unordered_pair(sK4,sK3) = sP0_iProver_def,
    inference(demodulation,[status(thm)],[c_156,c_286]) ).

cnf(c_310,plain,
    ( ~ subset(sP0_iProver_def,sP1_iProver_def)
    | sK3 = sK4 ),
    inference(superposition,[status(thm)],[c_157,c_273]) ).

cnf(c_311,plain,
    sK3 = sK4,
    inference(forward_subsumption_resolution,[status(thm)],[c_310,c_158]) ).

cnf(c_313,plain,
    unordered_pair(sK4,sK4) = sP0_iProver_def,
    inference(demodulation,[status(thm)],[c_288,c_311]) ).

cnf(c_314,plain,
    sP0_iProver_def = sP1_iProver_def,
    inference(light_normalisation,[status(thm)],[c_313,c_157]) ).

cnf(c_315,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_314,c_159]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SET886+1 : TPTP v8.1.2. Released v3.2.0.
% 0.07/0.14  % Command  : run_iprover %s %d THM
% 0.14/0.35  % Computer : n017.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Thu May  2 20:11:21 EDT 2024
% 0.14/0.35  % CPUTime  : 
% 0.20/0.48  Running first-order theorem proving
% 0.20/0.48  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.48/1.18  % SZS status Started for theBenchmark.p
% 0.48/1.18  % SZS status Theorem for theBenchmark.p
% 0.48/1.18  
% 0.48/1.18  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 0.48/1.18  
% 0.48/1.18  ------  iProver source info
% 0.48/1.18  
% 0.48/1.18  git: date: 2024-05-02 19:28:25 +0000
% 0.48/1.18  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 0.48/1.18  git: non_committed_changes: false
% 0.48/1.18  
% 0.48/1.18  ------ Parsing...
% 0.48/1.18  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.48/1.18  
% 0.48/1.18  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe_e  sup_sim: 0  sf_s  rm: 2 0s  sf_e  pe_s  pe_e 
% 0.48/1.18  
% 0.48/1.18  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 0.48/1.18  
% 0.48/1.18  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 0.48/1.18  ------ Proving...
% 0.48/1.18  ------ Problem Properties 
% 0.48/1.18  
% 0.48/1.18  
% 0.48/1.18  clauses                                 8
% 0.48/1.18  conjectures                             2
% 0.48/1.18  EPR                                     4
% 0.48/1.18  Horn                                    8
% 0.48/1.18  unary                                   7
% 0.48/1.18  binary                                  1
% 0.48/1.18  lits                                    9
% 0.48/1.18  lits eq                                 6
% 0.48/1.18  fd_pure                                 0
% 0.48/1.18  fd_pseudo                               0
% 0.48/1.18  fd_cond                                 0
% 0.48/1.18  fd_pseudo_cond                          1
% 0.48/1.18  AC symbols                              0
% 0.48/1.18  
% 0.48/1.18  ------ Schedule dynamic 5 is on 
% 0.48/1.18  
% 0.48/1.18  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.48/1.18  
% 0.48/1.18  
% 0.48/1.18  ------ 
% 0.48/1.18  Current options:
% 0.48/1.18  ------ 
% 0.48/1.18  
% 0.48/1.18  
% 0.48/1.18  
% 0.48/1.18  
% 0.48/1.18  ------ Proving...
% 0.48/1.18  
% 0.48/1.18  
% 0.48/1.18  % SZS status Theorem for theBenchmark.p
% 0.48/1.18  
% 0.48/1.18  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.48/1.18  
% 0.48/1.18  
%------------------------------------------------------------------------------