TSTP Solution File: LCL903+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : LCL903+1 : TPTP v8.1.2. Released v5.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n004.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 07:52:56 EDT 2023

% Result   : Theorem 7.73s 1.66s
% Output   : CNFRefutation 7.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   88 (  55 unt;   0 def)
%            Number of atoms       :  135 (  41 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   88 (  41   ~;  33   |;   5   &)
%                                         (   2 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :  161 (  18 sgn;  75   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0,X1,X2] : '+'('+'(X0,X1),X2) = '+'(X0,'+'(X1,X2)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_01) ).

fof(f2,axiom,
    ! [X0,X1] : '+'(X0,X1) = '+'(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_02) ).

fof(f3,axiom,
    ! [X0] : '+'(X0,'0') = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_03) ).

fof(f4,axiom,
    ! [X0] : '>='(X0,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_04) ).

fof(f5,axiom,
    ! [X3,X4,X5] :
      ( ( '>='(X4,X5)
        & '>='(X3,X4) )
     => '>='(X3,X5) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_05) ).

fof(f6,axiom,
    ! [X6,X7] :
      ( ( '>='(X7,X6)
        & '>='(X6,X7) )
     => X6 = X7 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_06) ).

fof(f7,axiom,
    ! [X8,X9,X10] :
      ( '>='('+'(X8,X9),X10)
    <=> '>='(X9,'==>'(X8,X10)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_07) ).

fof(f8,axiom,
    ! [X0] : '>='(X0,'0'),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_08) ).

fof(f10,axiom,
    ! [X14,X15,X16] :
      ( '>='(X14,X15)
     => '>='('==>'(X15,X16),'==>'(X14,X16)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_10) ).

fof(f12,axiom,
    ! [X0] : '1' = '+'(X0,'1'),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_12) ).

fof(f13,axiom,
    ! [X0] : '0' = '==>'('==>'('==>'(X0,'1'),X0),X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_13) ).

fof(f14,conjecture,
    ! [X20] : '+'(X20,X20) = X20,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goals_14) ).

fof(f15,negated_conjecture,
    ~ ! [X20] : '+'(X20,X20) = X20,
    inference(negated_conjecture,[],[f14]) ).

fof(f16,plain,
    ! [X0,X1,X2] :
      ( ( '>='(X1,X2)
        & '>='(X0,X1) )
     => '>='(X0,X2) ),
    inference(rectify,[],[f5]) ).

fof(f17,plain,
    ! [X0,X1] :
      ( ( '>='(X1,X0)
        & '>='(X0,X1) )
     => X0 = X1 ),
    inference(rectify,[],[f6]) ).

fof(f18,plain,
    ! [X0,X1,X2] :
      ( '>='('+'(X0,X1),X2)
    <=> '>='(X1,'==>'(X0,X2)) ),
    inference(rectify,[],[f7]) ).

fof(f20,plain,
    ! [X0,X1,X2] :
      ( '>='(X0,X1)
     => '>='('==>'(X1,X2),'==>'(X0,X2)) ),
    inference(rectify,[],[f10]) ).

fof(f22,plain,
    ~ ! [X0] : '+'(X0,X0) = X0,
    inference(rectify,[],[f15]) ).

fof(f23,plain,
    ! [X0,X1,X2] :
      ( '>='(X0,X2)
      | ~ '>='(X1,X2)
      | ~ '>='(X0,X1) ),
    inference(ennf_transformation,[],[f16]) ).

fof(f24,plain,
    ! [X0,X1,X2] :
      ( '>='(X0,X2)
      | ~ '>='(X1,X2)
      | ~ '>='(X0,X1) ),
    inference(flattening,[],[f23]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ '>='(X1,X0)
      | ~ '>='(X0,X1) ),
    inference(ennf_transformation,[],[f17]) ).

fof(f26,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ '>='(X1,X0)
      | ~ '>='(X0,X1) ),
    inference(flattening,[],[f25]) ).

fof(f28,plain,
    ! [X0,X1,X2] :
      ( '>='('==>'(X1,X2),'==>'(X0,X2))
      | ~ '>='(X0,X1) ),
    inference(ennf_transformation,[],[f20]) ).

fof(f30,plain,
    ? [X0] : '+'(X0,X0) != X0,
    inference(ennf_transformation,[],[f22]) ).

fof(f31,plain,
    ! [X0,X1,X2] :
      ( ( '>='('+'(X0,X1),X2)
        | ~ '>='(X1,'==>'(X0,X2)) )
      & ( '>='(X1,'==>'(X0,X2))
        | ~ '>='('+'(X0,X1),X2) ) ),
    inference(nnf_transformation,[],[f18]) ).

fof(f32,plain,
    ( ? [X0] : '+'(X0,X0) != X0
   => sK0 != '+'(sK0,sK0) ),
    introduced(choice_axiom,[]) ).

fof(f33,plain,
    sK0 != '+'(sK0,sK0),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f30,f32]) ).

fof(f34,plain,
    ! [X2,X0,X1] : '+'('+'(X0,X1),X2) = '+'(X0,'+'(X1,X2)),
    inference(cnf_transformation,[],[f1]) ).

fof(f35,plain,
    ! [X0,X1] : '+'(X0,X1) = '+'(X1,X0),
    inference(cnf_transformation,[],[f2]) ).

fof(f36,plain,
    ! [X0] : '+'(X0,'0') = X0,
    inference(cnf_transformation,[],[f3]) ).

fof(f37,plain,
    ! [X0] : '>='(X0,X0),
    inference(cnf_transformation,[],[f4]) ).

fof(f38,plain,
    ! [X2,X0,X1] :
      ( '>='(X0,X2)
      | ~ '>='(X1,X2)
      | ~ '>='(X0,X1) ),
    inference(cnf_transformation,[],[f24]) ).

fof(f39,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ '>='(X1,X0)
      | ~ '>='(X0,X1) ),
    inference(cnf_transformation,[],[f26]) ).

fof(f40,plain,
    ! [X2,X0,X1] :
      ( '>='(X1,'==>'(X0,X2))
      | ~ '>='('+'(X0,X1),X2) ),
    inference(cnf_transformation,[],[f31]) ).

fof(f41,plain,
    ! [X2,X0,X1] :
      ( '>='('+'(X0,X1),X2)
      | ~ '>='(X1,'==>'(X0,X2)) ),
    inference(cnf_transformation,[],[f31]) ).

fof(f42,plain,
    ! [X0] : '>='(X0,'0'),
    inference(cnf_transformation,[],[f8]) ).

fof(f44,plain,
    ! [X2,X0,X1] :
      ( '>='('==>'(X1,X2),'==>'(X0,X2))
      | ~ '>='(X0,X1) ),
    inference(cnf_transformation,[],[f28]) ).

fof(f46,plain,
    ! [X0] : '1' = '+'(X0,'1'),
    inference(cnf_transformation,[],[f12]) ).

fof(f47,plain,
    ! [X0] : '0' = '==>'('==>'('==>'(X0,'1'),X0),X0),
    inference(cnf_transformation,[],[f13]) ).

fof(f48,plain,
    sK0 != '+'(sK0,sK0),
    inference(cnf_transformation,[],[f33]) ).

cnf(c_49,plain,
    '+'('+'(X0,X1),X2) = '+'(X0,'+'(X1,X2)),
    inference(cnf_transformation,[],[f34]) ).

cnf(c_50,plain,
    '+'(X0,X1) = '+'(X1,X0),
    inference(cnf_transformation,[],[f35]) ).

cnf(c_51,plain,
    '+'(X0,'0') = X0,
    inference(cnf_transformation,[],[f36]) ).

cnf(c_52,plain,
    '>='(X0,X0),
    inference(cnf_transformation,[],[f37]) ).

cnf(c_53,plain,
    ( ~ '>='(X0,X1)
    | ~ '>='(X1,X2)
    | '>='(X0,X2) ),
    inference(cnf_transformation,[],[f38]) ).

cnf(c_54,plain,
    ( ~ '>='(X0,X1)
    | ~ '>='(X1,X0)
    | X0 = X1 ),
    inference(cnf_transformation,[],[f39]) ).

cnf(c_55,plain,
    ( ~ '>='(X0,'==>'(X1,X2))
    | '>='('+'(X1,X0),X2) ),
    inference(cnf_transformation,[],[f41]) ).

cnf(c_56,plain,
    ( ~ '>='('+'(X0,X1),X2)
    | '>='(X1,'==>'(X0,X2)) ),
    inference(cnf_transformation,[],[f40]) ).

cnf(c_57,plain,
    '>='(X0,'0'),
    inference(cnf_transformation,[],[f42]) ).

cnf(c_59,plain,
    ( ~ '>='(X0,X1)
    | '>='('==>'(X1,X2),'==>'(X0,X2)) ),
    inference(cnf_transformation,[],[f44]) ).

cnf(c_61,plain,
    '+'(X0,'1') = '1',
    inference(cnf_transformation,[],[f46]) ).

cnf(c_62,plain,
    '==>'('==>'('==>'(X0,'1'),X0),X0) = '0',
    inference(cnf_transformation,[],[f47]) ).

cnf(c_63,negated_conjecture,
    '+'(sK0,sK0) != sK0,
    inference(cnf_transformation,[],[f48]) ).

cnf(c_332,plain,
    '+'('1',X0) = '1',
    inference(superposition,[status(thm)],[c_50,c_61]) ).

cnf(c_374,plain,
    '>='('+'(X0,'==>'(X0,X1)),X1),
    inference(superposition,[status(thm)],[c_52,c_55]) ).

cnf(c_375,plain,
    ( ~ '>='(X0,'0')
    | '>='('+'('==>'('==>'(X1,'1'),X1),X0),X1) ),
    inference(superposition,[status(thm)],[c_62,c_55]) ).

cnf(c_376,plain,
    '>='('+'('==>'('==>'(X0,'1'),X0),X1),X0),
    inference(forward_subsumption_resolution,[status(thm)],[c_375,c_57]) ).

cnf(c_383,plain,
    '>='(X0,'==>'(X1,'+'(X1,X0))),
    inference(superposition,[status(thm)],[c_52,c_56]) ).

cnf(c_416,plain,
    '>='('1',X0),
    inference(superposition,[status(thm)],[c_332,c_374]) ).

cnf(c_436,plain,
    ( ~ '>='(X0,'1')
    | '>='(X0,X1) ),
    inference(superposition,[status(thm)],[c_416,c_53]) ).

cnf(c_449,plain,
    '>='('0','==>'(X0,X0)),
    inference(superposition,[status(thm)],[c_51,c_383]) ).

cnf(c_471,plain,
    ( ~ '>='(X0,'0')
    | '>='(X0,'==>'(X1,X1)) ),
    inference(superposition,[status(thm)],[c_449,c_53]) ).

cnf(c_474,plain,
    '>='(X0,'==>'(X1,X1)),
    inference(forward_subsumption_resolution,[status(thm)],[c_471,c_57]) ).

cnf(c_495,plain,
    '>='('+'(X0,X1),X0),
    inference(superposition,[status(thm)],[c_474,c_55]) ).

cnf(c_499,plain,
    '>='('+'(X0,X1),X1),
    inference(superposition,[status(thm)],[c_50,c_495]) ).

cnf(c_527,plain,
    '>='(X0,'==>'(X1,X0)),
    inference(superposition,[status(thm)],[c_499,c_56]) ).

cnf(c_680,plain,
    '>='('+'(X0,'+'(X1,X2)),'+'(X0,X1)),
    inference(superposition,[status(thm)],[c_49,c_495]) ).

cnf(c_764,plain,
    '>='('+'(X0,'==>'(X0,'1')),X1),
    inference(superposition,[status(thm)],[c_374,c_436]) ).

cnf(c_938,plain,
    '>='('==>'(X0,'1'),'==>'(X0,X1)),
    inference(superposition,[status(thm)],[c_764,c_56]) ).

cnf(c_1069,plain,
    ( ~ '>='('0',X0)
    | X0 = '0' ),
    inference(superposition,[status(thm)],[c_57,c_54]) ).

cnf(c_1538,plain,
    '>='('==>'('==>'(X0,'1'),X0),X0),
    inference(superposition,[status(thm)],[c_51,c_376]) ).

cnf(c_1631,plain,
    ( ~ '>='(X0,'==>'('==>'(X0,'1'),X0))
    | '==>'('==>'(X0,'1'),X0) = X0 ),
    inference(superposition,[status(thm)],[c_1538,c_54]) ).

cnf(c_1637,plain,
    '==>'('==>'(X0,'1'),X0) = X0,
    inference(forward_subsumption_resolution,[status(thm)],[c_1631,c_527]) ).

cnf(c_1651,plain,
    ( ~ '>='('==>'(X0,'1'),X1)
    | '>='('==>'(X1,X0),X0) ),
    inference(superposition,[status(thm)],[c_1637,c_59]) ).

cnf(c_2284,plain,
    '>='('+'(X0,'+'(X1,X2)),'+'(X1,X0)),
    inference(superposition,[status(thm)],[c_50,c_680]) ).

cnf(c_3517,plain,
    '>='('+'(X0,X1),'==>'(X2,'+'(X0,X2))),
    inference(superposition,[status(thm)],[c_2284,c_56]) ).

cnf(c_4705,plain,
    '>='(X0,'==>'(X1,'==>'(X2,'+'(X1,X2)))),
    inference(superposition,[status(thm)],[c_3517,c_56]) ).

cnf(c_5666,plain,
    '==>'(X0,'==>'(X1,'+'(X0,X1))) = '0',
    inference(superposition,[status(thm)],[c_4705,c_1069]) ).

cnf(c_16767,plain,
    '>='('==>'('==>'(X0,X1),X0),X0),
    inference(superposition,[status(thm)],[c_938,c_1651]) ).

cnf(c_17100,plain,
    ( ~ '>='(X0,'==>'('==>'(X0,X1),X0))
    | '==>'('==>'(X0,X1),X0) = X0 ),
    inference(superposition,[status(thm)],[c_16767,c_54]) ).

cnf(c_17126,plain,
    '==>'('==>'(X0,X1),X0) = X0,
    inference(forward_subsumption_resolution,[status(thm)],[c_17100,c_527]) ).

cnf(c_17195,plain,
    '==>'(X0,'==>'(X0,X1)) = '==>'(X0,X1),
    inference(superposition,[status(thm)],[c_17126,c_17126]) ).

cnf(c_34285,plain,
    '==>'(X0,'+'(X0,X0)) = '0',
    inference(superposition,[status(thm)],[c_17195,c_5666]) ).

cnf(c_34438,plain,
    '>='('+'(X0,'0'),'+'(X0,X0)),
    inference(superposition,[status(thm)],[c_34285,c_374]) ).

cnf(c_34509,plain,
    '>='(X0,'+'(X0,X0)),
    inference(light_normalisation,[status(thm)],[c_34438,c_51]) ).

cnf(c_34768,plain,
    ( ~ '>='('+'(X0,X0),X0)
    | '+'(X0,X0) = X0 ),
    inference(superposition,[status(thm)],[c_34509,c_54]) ).

cnf(c_34797,plain,
    '+'(X0,X0) = X0,
    inference(forward_subsumption_resolution,[status(thm)],[c_34768,c_495]) ).

cnf(c_34798,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_63,c_34797]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL903+1 : TPTP v8.1.2. Released v5.5.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n004.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Fri Aug 25 04:23:53 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.21/0.46  Running first-order theorem proving
% 0.21/0.46  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 7.73/1.66  % SZS status Started for theBenchmark.p
% 7.73/1.66  % SZS status Theorem for theBenchmark.p
% 7.73/1.66  
% 7.73/1.66  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 7.73/1.66  
% 7.73/1.66  ------  iProver source info
% 7.73/1.66  
% 7.73/1.66  git: date: 2023-05-31 18:12:56 +0000
% 7.73/1.66  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 7.73/1.66  git: non_committed_changes: false
% 7.73/1.66  git: last_make_outside_of_git: false
% 7.73/1.66  
% 7.73/1.66  ------ Parsing...
% 7.73/1.66  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 7.73/1.66  
% 7.73/1.66  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 7.73/1.66  
% 7.73/1.66  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 7.73/1.66  
% 7.73/1.66  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 7.73/1.66  ------ Proving...
% 7.73/1.66  ------ Problem Properties 
% 7.73/1.66  
% 7.73/1.66  
% 7.73/1.66  clauses                                 15
% 7.73/1.66  conjectures                             1
% 7.73/1.66  EPR                                     4
% 7.73/1.66  Horn                                    15
% 7.73/1.66  unary                                   8
% 7.73/1.66  binary                                  5
% 7.73/1.66  lits                                    24
% 7.73/1.66  lits eq                                 7
% 7.73/1.66  fd_pure                                 0
% 7.73/1.66  fd_pseudo                               0
% 7.73/1.66  fd_cond                                 0
% 7.73/1.66  fd_pseudo_cond                          1
% 7.73/1.66  AC symbols                              1
% 7.73/1.66  
% 7.73/1.66  ------ Schedule dynamic 5 is on 
% 7.73/1.66  
% 7.73/1.66  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 7.73/1.66  
% 7.73/1.66  
% 7.73/1.66  ------ 
% 7.73/1.66  Current options:
% 7.73/1.66  ------ 
% 7.73/1.66  
% 7.73/1.66  
% 7.73/1.66  
% 7.73/1.66  
% 7.73/1.66  ------ Proving...
% 7.73/1.66  
% 7.73/1.66  
% 7.73/1.66  % SZS status Theorem for theBenchmark.p
% 7.73/1.66  
% 7.73/1.66  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 7.73/1.66  
% 7.73/1.66  
%------------------------------------------------------------------------------