TSTP Solution File: ALG211+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : ALG211+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s

% Computer : n010.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 : Wed Aug 31 15:43:39 EDT 2022

% Result   : Theorem 0.21s 0.51s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   53 (   4 unt;   0 def)
%            Number of atoms       :  167 (   0 equ)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :  193 (  79   ~;  59   |;  35   &)
%                                         (   4 <=>;  16  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   2 con; 0-3 aty)
%            Number of variables   :  124 ( 100   !;  24   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f73,plain,
    $false,
    inference(resolution,[],[f72,f39]) ).

fof(f39,plain,
    a_vector_space(sK0),
    inference(cnf_transformation,[],[f27]) ).

fof(f27,plain,
    ( a_vector_space(sK0)
    & a_vector_subspace_of(sK1,sK0)
    & ! [X2,X3] :
        ( ~ basis_of(X3,sK1)
        | ~ basis_of(union(X3,X2),sK0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f25,f26]) ).

fof(f26,plain,
    ( ? [X0,X1] :
        ( a_vector_space(X0)
        & a_vector_subspace_of(X1,X0)
        & ! [X2,X3] :
            ( ~ basis_of(X3,X1)
            | ~ basis_of(union(X3,X2),X0) ) )
   => ( a_vector_space(sK0)
      & a_vector_subspace_of(sK1,sK0)
      & ! [X3,X2] :
          ( ~ basis_of(X3,sK1)
          | ~ basis_of(union(X3,X2),sK0) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f25,plain,
    ? [X0,X1] :
      ( a_vector_space(X0)
      & a_vector_subspace_of(X1,X0)
      & ! [X2,X3] :
          ( ~ basis_of(X3,X1)
          | ~ basis_of(union(X3,X2),X0) ) ),
    inference(rectify,[],[f15]) ).

fof(f15,plain,
    ? [X1,X0] :
      ( a_vector_space(X1)
      & a_vector_subspace_of(X0,X1)
      & ! [X3,X2] :
          ( ~ basis_of(X2,X0)
          | ~ basis_of(union(X2,X3),X1) ) ),
    inference(flattening,[],[f14]) ).

fof(f14,plain,
    ? [X1,X0] :
      ( ! [X3,X2] :
          ( ~ basis_of(X2,X0)
          | ~ basis_of(union(X2,X3),X1) )
      & a_vector_subspace_of(X0,X1)
      & a_vector_space(X1) ),
    inference(ennf_transformation,[],[f12]) ).

fof(f12,plain,
    ~ ! [X1,X0] :
        ( ( a_vector_subspace_of(X0,X1)
          & a_vector_space(X1) )
       => ? [X3,X2] :
            ( basis_of(X2,X0)
            & basis_of(union(X2,X3),X1) ) ),
    inference(rectify,[],[f7]) ).

fof(f7,negated_conjecture,
    ~ ! [X6,X1] :
        ( ( a_vector_subspace_of(X6,X1)
          & a_vector_space(X1) )
       => ? [X7,X8] :
            ( basis_of(union(X7,X8),X1)
            & basis_of(X7,X6) ) ),
    inference(negated_conjecture,[],[f6]) ).

fof(f6,conjecture,
    ! [X6,X1] :
      ( ( a_vector_subspace_of(X6,X1)
        & a_vector_space(X1) )
     => ? [X7,X8] :
          ( basis_of(union(X7,X8),X1)
          & basis_of(X7,X6) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',bg_2_4_3) ).

fof(f72,plain,
    ~ a_vector_space(sK0),
    inference(resolution,[],[f71,f38]) ).

fof(f38,plain,
    a_vector_subspace_of(sK1,sK0),
    inference(cnf_transformation,[],[f27]) ).

fof(f71,plain,
    ! [X0] :
      ( ~ a_vector_subspace_of(sK1,X0)
      | ~ a_vector_space(sK0) ),
    inference(resolution,[],[f69,f43]) ).

fof(f43,plain,
    ! [X0,X1] :
      ( a_vector_space(X0)
      | ~ a_vector_subspace_of(X0,X1) ),
    inference(cnf_transformation,[],[f22]) ).

fof(f22,plain,
    ! [X0,X1] :
      ( ~ a_vector_subspace_of(X0,X1)
      | a_vector_space(X0) ),
    inference(ennf_transformation,[],[f9]) ).

fof(f9,plain,
    ! [X1,X0] :
      ( a_vector_subspace_of(X0,X1)
     => a_vector_space(X0) ),
    inference(rectify,[],[f4]) ).

fof(f4,axiom,
    ! [X5,X0] :
      ( a_vector_subspace_of(X5,X0)
     => a_vector_space(X5) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',bg_2_4_a) ).

fof(f69,plain,
    ( ~ a_vector_space(sK1)
    | ~ a_vector_space(sK0) ),
    inference(resolution,[],[f68,f42]) ).

fof(f42,plain,
    ! [X0] :
      ( basis_of(sK3(X0),X0)
      | ~ a_vector_space(X0) ),
    inference(cnf_transformation,[],[f32]) ).

fof(f32,plain,
    ! [X0] :
      ( ~ a_vector_space(X0)
      | basis_of(sK3(X0),X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f16,f31]) ).

fof(f31,plain,
    ! [X0] :
      ( ? [X1] : basis_of(X1,X0)
     => basis_of(sK3(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f16,plain,
    ! [X0] :
      ( ~ a_vector_space(X0)
      | ? [X1] : basis_of(X1,X0) ),
    inference(ennf_transformation,[],[f13]) ).

fof(f13,plain,
    ! [X0] :
      ( a_vector_space(X0)
     => ? [X1] : basis_of(X1,X0) ),
    inference(rectify,[],[f3]) ).

fof(f3,axiom,
    ! [X5] :
      ( a_vector_space(X5)
     => ? [X0] : basis_of(X0,X5) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',bg_remark_63_a) ).

fof(f68,plain,
    ! [X4] :
      ( ~ basis_of(X4,sK1)
      | ~ a_vector_space(sK0) ),
    inference(duplicate_literal_removal,[],[f67]) ).

fof(f67,plain,
    ! [X4] :
      ( ~ basis_of(X4,sK1)
      | ~ a_vector_space(sK0)
      | ~ basis_of(X4,sK1) ),
    inference(resolution,[],[f63,f35]) ).

fof(f35,plain,
    ! [X0,X1] :
      ( lin_ind_subset(X0,X1)
      | ~ basis_of(X0,X1) ),
    inference(cnf_transformation,[],[f24]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ( a_subset_of(X0,vec_to_class(X1))
        & lin_ind_subset(X0,X1) )
      | ~ basis_of(X0,X1) ),
    inference(rectify,[],[f19]) ).

fof(f19,plain,
    ! [X1,X0] :
      ( ( a_subset_of(X1,vec_to_class(X0))
        & lin_ind_subset(X1,X0) )
      | ~ basis_of(X1,X0) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f11,plain,
    ! [X1,X0] :
      ( basis_of(X1,X0)
     => ( a_subset_of(X1,vec_to_class(X0))
        & lin_ind_subset(X1,X0) ) ),
    inference(rectify,[],[f1]) ).

fof(f1,axiom,
    ! [X1,X0] :
      ( basis_of(X0,X1)
     => ( a_subset_of(X0,vec_to_class(X1))
        & lin_ind_subset(X0,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',basis_of) ).

fof(f63,plain,
    ! [X0] :
      ( ~ lin_ind_subset(X0,sK1)
      | ~ basis_of(X0,sK1)
      | ~ a_vector_space(sK0) ),
    inference(duplicate_literal_removal,[],[f59]) ).

fof(f59,plain,
    ! [X0] :
      ( ~ basis_of(X0,sK1)
      | ~ a_vector_space(sK0)
      | ~ lin_ind_subset(X0,sK1)
      | ~ basis_of(X0,sK1) ),
    inference(resolution,[],[f57,f38]) ).

fof(f57,plain,
    ! [X0,X1] :
      ( ~ a_vector_subspace_of(X1,sK0)
      | ~ lin_ind_subset(X0,X1)
      | ~ basis_of(X0,sK1)
      | ~ basis_of(X0,X1)
      | ~ a_vector_space(sK0) ),
    inference(resolution,[],[f54,f36]) ).

fof(f36,plain,
    ! [X0,X1] :
      ( a_subset_of(X0,vec_to_class(X1))
      | ~ basis_of(X0,X1) ),
    inference(cnf_transformation,[],[f24]) ).

fof(f54,plain,
    ! [X0,X1] :
      ( ~ a_subset_of(X0,vec_to_class(X1))
      | ~ lin_ind_subset(X0,X1)
      | ~ basis_of(X0,sK1)
      | ~ a_vector_subspace_of(X1,sK0)
      | ~ a_vector_space(sK0) ),
    inference(resolution,[],[f45,f34]) ).

fof(f34,plain,
    ! [X2,X0,X1] :
      ( lin_ind_subset(X1,X0)
      | ~ a_vector_subspace_of(X2,X0)
      | ~ lin_ind_subset(X1,X2)
      | ~ a_subset_of(X1,vec_to_class(X2)) ),
    inference(cnf_transformation,[],[f23]) ).

fof(f23,plain,
    ! [X0,X1,X2] :
      ( ~ a_subset_of(X1,vec_to_class(X2))
      | ~ a_vector_subspace_of(X2,X0)
      | ( ( lin_ind_subset(X1,X0)
          | ~ lin_ind_subset(X1,X2) )
        & ( lin_ind_subset(X1,X2)
          | ~ lin_ind_subset(X1,X0) ) ) ),
    inference(nnf_transformation,[],[f18]) ).

fof(f18,plain,
    ! [X0,X1,X2] :
      ( ~ a_subset_of(X1,vec_to_class(X2))
      | ~ a_vector_subspace_of(X2,X0)
      | ( lin_ind_subset(X1,X0)
      <=> lin_ind_subset(X1,X2) ) ),
    inference(flattening,[],[f17]) ).

fof(f17,plain,
    ! [X1,X2,X0] :
      ( ( lin_ind_subset(X1,X0)
      <=> lin_ind_subset(X1,X2) )
      | ~ a_vector_subspace_of(X2,X0)
      | ~ a_subset_of(X1,vec_to_class(X2)) ),
    inference(ennf_transformation,[],[f8]) ).

fof(f8,plain,
    ! [X1,X2,X0] :
      ( ( a_vector_subspace_of(X2,X0)
        & a_subset_of(X1,vec_to_class(X2)) )
     => ( lin_ind_subset(X1,X0)
      <=> lin_ind_subset(X1,X2) ) ),
    inference(rectify,[],[f5]) ).

fof(f5,axiom,
    ! [X1,X7,X6] :
      ( ( a_vector_subspace_of(X6,X1)
        & a_subset_of(X7,vec_to_class(X6)) )
     => ( lin_ind_subset(X7,X6)
      <=> lin_ind_subset(X7,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',bg_2_4_2) ).

fof(f45,plain,
    ! [X0] :
      ( ~ lin_ind_subset(X0,sK0)
      | ~ basis_of(X0,sK1)
      | ~ a_vector_space(sK0) ),
    inference(resolution,[],[f44,f42]) ).

fof(f44,plain,
    ! [X0,X1] :
      ( ~ basis_of(X1,sK0)
      | ~ lin_ind_subset(X0,sK0)
      | ~ basis_of(X0,sK1) ),
    inference(resolution,[],[f41,f37]) ).

fof(f37,plain,
    ! [X2,X3] :
      ( ~ basis_of(union(X3,X2),sK0)
      | ~ basis_of(X3,sK1) ),
    inference(cnf_transformation,[],[f27]) ).

fof(f41,plain,
    ! [X2,X0,X1] :
      ( basis_of(union(X1,sK2(X0,X1,X2)),X2)
      | ~ lin_ind_subset(X1,X2)
      | ~ basis_of(X0,X2) ),
    inference(cnf_transformation,[],[f30]) ).

fof(f30,plain,
    ! [X0,X1,X2] :
      ( ~ lin_ind_subset(X1,X2)
      | ~ basis_of(X0,X2)
      | ( basis_of(union(X1,sK2(X0,X1,X2)),X2)
        & a_subset_of(sK2(X0,X1,X2),X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f28,f29]) ).

fof(f29,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( basis_of(union(X1,X3),X2)
          & a_subset_of(X3,X0) )
     => ( basis_of(union(X1,sK2(X0,X1,X2)),X2)
        & a_subset_of(sK2(X0,X1,X2),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f28,plain,
    ! [X0,X1,X2] :
      ( ~ lin_ind_subset(X1,X2)
      | ~ basis_of(X0,X2)
      | ? [X3] :
          ( basis_of(union(X1,X3),X2)
          & a_subset_of(X3,X0) ) ),
    inference(rectify,[],[f21]) ).

fof(f21,plain,
    ! [X1,X0,X2] :
      ( ~ lin_ind_subset(X0,X2)
      | ~ basis_of(X1,X2)
      | ? [X3] :
          ( basis_of(union(X0,X3),X2)
          & a_subset_of(X3,X1) ) ),
    inference(flattening,[],[f20]) ).

fof(f20,plain,
    ! [X0,X2,X1] :
      ( ? [X3] :
          ( basis_of(union(X0,X3),X2)
          & a_subset_of(X3,X1) )
      | ~ basis_of(X1,X2)
      | ~ lin_ind_subset(X0,X2) ),
    inference(ennf_transformation,[],[f10]) ).

fof(f10,plain,
    ! [X0,X2,X1] :
      ( ( basis_of(X1,X2)
        & lin_ind_subset(X0,X2) )
     => ? [X3] :
          ( basis_of(union(X0,X3),X2)
          & a_subset_of(X3,X1) ) ),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ! [X2,X3,X1] :
      ( ( basis_of(X3,X1)
        & lin_ind_subset(X2,X1) )
     => ? [X4] :
          ( basis_of(union(X2,X4),X1)
          & a_subset_of(X4,X3) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',bg_2_2_5) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem    : ALG211+1 : TPTP v8.1.0. Released v3.1.0.
% 0.10/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n010.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   : Mon Aug 29 14:51:59 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.21/0.49  % (13754)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.21/0.50  % (13762)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.21/0.51  % (13754)Refutation not found, incomplete strategy% (13754)------------------------------
% 0.21/0.51  % (13754)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.51  % (13754)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.51  % (13754)Termination reason: Refutation not found, incomplete strategy
% 0.21/0.51  
% 0.21/0.51  % (13754)Memory used [KB]: 5373
% 0.21/0.51  % (13754)Time elapsed: 0.100 s
% 0.21/0.51  % (13754)Instructions burned: 2 (million)
% 0.21/0.51  % (13754)------------------------------
% 0.21/0.51  % (13754)------------------------------
% 0.21/0.51  % (13762)First to succeed.
% 0.21/0.51  % (13774)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 0.21/0.51  % (13762)Refutation found. Thanks to Tanya!
% 0.21/0.51  % SZS status Theorem for theBenchmark
% 0.21/0.51  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.51  % (13762)------------------------------
% 0.21/0.51  % (13762)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.51  % (13762)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.51  % (13762)Termination reason: Refutation
% 0.21/0.51  
% 0.21/0.51  % (13762)Memory used [KB]: 895
% 0.21/0.51  % (13762)Time elapsed: 0.101 s
% 0.21/0.51  % (13762)Instructions burned: 2 (million)
% 0.21/0.51  % (13762)------------------------------
% 0.21/0.51  % (13762)------------------------------
% 0.21/0.51  % (13752)Success in time 0.166 s
%------------------------------------------------------------------------------