TSTP Solution File: CAT002-1 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : CAT002-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s

% Computer : n011.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 15:50:37 EDT 2022

% Result   : Unsatisfiable 2.84s 0.87s
% Output   : Refutation 2.84s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   31 (  13 unt;   0 def)
%            Number of atoms       :   58 (   7 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   55 (  28   ~;  27   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :   35 (  35   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1845,plain,
    $false,
    inference(subsumption_resolution,[],[f1844,f24]) ).

fof(f24,axiom,
    h != g,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_h_equals_g) ).

fof(f1844,plain,
    h = g,
    inference(subsumption_resolution,[],[f1833,f62]) ).

fof(f62,plain,
    defined(b,g),
    inference(resolution,[],[f26,f42]) ).

fof(f42,plain,
    defined(c,g),
    inference(resolution,[],[f23,f2]) ).

fof(f2,axiom,
    ! [X2,X0,X1] :
      ( ~ product(X0,X1,X2)
      | defined(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',associative_property1) ).

fof(f23,axiom,
    product(c,g,d),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cg_equals_d) ).

fof(f26,plain,
    ! [X0] :
      ( ~ defined(c,X0)
      | defined(b,X0) ),
    inference(resolution,[],[f21,f3]) ).

fof(f3,axiom,
    ! [X2,X3,X0,X1] :
      ( ~ product(X0,X1,X3)
      | defined(X1,X2)
      | ~ defined(X3,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',associative_property2) ).

fof(f21,axiom,
    product(a,b,c),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ab_equals_c) ).

fof(f1833,plain,
    ( ~ defined(b,g)
    | h = g ),
    inference(resolution,[],[f1787,f58]) ).

fof(f58,plain,
    ! [X3,X4] :
      ( ~ product(b,X3,compose(b,X4))
      | ~ defined(b,X4)
      | X3 = X4 ),
    inference(resolution,[],[f20,f1]) ).

fof(f1,axiom,
    ! [X0,X1] :
      ( product(X0,X1,compose(X0,X1))
      | ~ defined(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',closure_of_composition) ).

fof(f20,axiom,
    ! [X0,X1,X6] :
      ( ~ product(b,X1,X6)
      | ~ product(b,X0,X6)
      | X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cancellation_for_product2) ).

fof(f1787,plain,
    product(b,h,compose(b,g)),
    inference(resolution,[],[f1741,f325]) ).

fof(f325,plain,
    product(a,compose(b,g),d),
    inference(subsumption_resolution,[],[f323,f62]) ).

fof(f323,plain,
    ( product(a,compose(b,g),d)
    | ~ defined(b,g) ),
    inference(resolution,[],[f217,f1]) ).

fof(f217,plain,
    ! [X6] :
      ( ~ product(b,g,X6)
      | product(a,X6,d) ),
    inference(resolution,[],[f45,f21]) ).

fof(f45,plain,
    ! [X3,X4,X5] :
      ( ~ product(X5,X3,c)
      | ~ product(X3,g,X4)
      | product(X5,X4,d) ),
    inference(resolution,[],[f23,f5]) ).

fof(f5,axiom,
    ! [X2,X3,X0,X1,X4,X5] :
      ( ~ product(X3,X2,X5)
      | ~ product(X1,X2,X4)
      | ~ product(X0,X1,X3)
      | product(X0,X4,X5) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',category_theory_axiom2) ).

fof(f1741,plain,
    ! [X7] :
      ( ~ product(a,X7,d)
      | product(b,h,X7) ),
    inference(subsumption_resolution,[],[f1740,f61]) ).

fof(f61,plain,
    defined(b,h),
    inference(resolution,[],[f26,f33]) ).

fof(f33,plain,
    defined(c,h),
    inference(resolution,[],[f22,f2]) ).

fof(f22,axiom,
    product(c,h,d),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ch_equals_d) ).

fof(f1740,plain,
    ! [X7] :
      ( ~ defined(b,h)
      | product(b,h,X7)
      | ~ product(a,X7,d) ),
    inference(superposition,[],[f1,f313]) ).

fof(f313,plain,
    ! [X0] :
      ( compose(b,h) = X0
      | ~ product(a,X0,d) ),
    inference(resolution,[],[f309,f19]) ).

fof(f19,axiom,
    ! [X0,X1,X6] :
      ( ~ product(a,X1,X6)
      | ~ product(a,X0,X6)
      | X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cancellation_for_product1) ).

fof(f309,plain,
    product(a,compose(b,h),d),
    inference(subsumption_resolution,[],[f307,f61]) ).

fof(f307,plain,
    ( ~ defined(b,h)
    | product(a,compose(b,h),d) ),
    inference(resolution,[],[f202,f1]) ).

fof(f202,plain,
    ! [X6] :
      ( ~ product(b,h,X6)
      | product(a,X6,d) ),
    inference(resolution,[],[f36,f21]) ).

fof(f36,plain,
    ! [X3,X4,X5] :
      ( ~ product(X5,X3,c)
      | ~ product(X3,h,X4)
      | product(X5,X4,d) ),
    inference(resolution,[],[f22,f5]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : CAT002-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.13/0.35  % Computer : n011.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   : Mon Aug 29 16:11:54 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.55  % (22837)lrs+1011_1:1_atotf=0.0306256:ep=RST:mep=off:nm=0:sos=all:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.20/0.56  % (22837)Instruction limit reached!
% 0.20/0.56  % (22837)------------------------------
% 0.20/0.56  % (22837)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.56  % (22835)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=49:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/49Mi)
% 0.20/0.56  % (22852)lrs+1011_1:1_aac=none:bsr=unit_only:ep=R:sac=on:sos=all:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.20/0.56  % (22836)lrs+1010_1:4_amm=off:bce=on:sd=1:sos=on:ss=included:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.56  % (22836)Refutation not found, incomplete strategy% (22836)------------------------------
% 0.20/0.56  % (22836)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.56  % (22853)dis+10_1:1_add=large:alpa=false:anc=none:fd=off:lcm=reverse:nwc=5.0:sd=2:sgt=20:ss=included:i=46:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/46Mi)
% 0.20/0.57  % (22844)fmb+10_1:1_fmbes=contour:fmbsr=2.0:fmbsso=input_usage:i=6:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/6Mi)
% 0.20/0.57  % (22836)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.57  % (22836)Termination reason: Refutation not found, incomplete strategy
% 0.20/0.57  
% 0.20/0.57  % (22836)Memory used [KB]: 5884
% 0.20/0.57  % (22836)Time elapsed: 0.135 s
% 0.20/0.57  % (22836)Instructions burned: 3 (million)
% 0.20/0.57  % (22836)------------------------------
% 0.20/0.57  % (22836)------------------------------
% 0.20/0.57  % (22845)lrs+1_1:1_aac=none:add=large:anc=all_dependent:cond=fast:ep=RST:fsr=off:lma=on:nm=2:sos=on:sp=reverse_arity:stl=30:uhcvi=on:urr=on:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.20/0.57  % (22837)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.57  % (22837)Termination reason: Unknown
% 0.20/0.57  % (22837)Termination phase: Saturation
% 0.20/0.57  
% 0.20/0.57  % (22837)Memory used [KB]: 5884
% 0.20/0.57  % (22837)Time elapsed: 0.124 s
% 0.20/0.57  % (22837)Instructions burned: 3 (million)
% 0.20/0.57  % (22837)------------------------------
% 0.20/0.57  % (22837)------------------------------
% 0.20/0.57  % (22845)Instruction limit reached!
% 0.20/0.57  % (22845)------------------------------
% 0.20/0.57  % (22845)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.57  % (22845)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.57  % (22845)Termination reason: Unknown
% 0.20/0.57  % (22845)Termination phase: Saturation
% 0.20/0.57  
% 0.20/0.57  % (22845)Memory used [KB]: 1279
% 0.20/0.57  % (22845)Time elapsed: 0.003 s
% 0.20/0.57  % (22845)Instructions burned: 2 (million)
% 0.20/0.57  % (22845)------------------------------
% 0.20/0.57  % (22845)------------------------------
% 0.20/0.57  TRYING [1]
% 0.20/0.57  TRYING [2]
% 0.20/0.57  % (22851)ott+21_1:1_erd=off:s2a=on:sac=on:sd=1:sgt=64:sos=on:ss=included:st=3.0:to=lpo:urr=on:i=97:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/97Mi)
% 0.20/0.57  TRYING [3]
% 0.20/0.57  % (22844)Instruction limit reached!
% 0.20/0.57  % (22844)------------------------------
% 0.20/0.57  % (22844)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.57  % (22844)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.57  % (22844)Termination reason: Unknown
% 0.20/0.57  % (22844)Termination phase: Finite model building constraint generation
% 0.20/0.57  
% 0.20/0.57  % (22844)Memory used [KB]: 6012
% 0.20/0.57  % (22844)Time elapsed: 0.139 s
% 0.20/0.57  % (22844)Instructions burned: 7 (million)
% 0.20/0.57  % (22844)------------------------------
% 0.20/0.57  % (22844)------------------------------
% 0.20/0.57  % (22843)dis+1011_3:29_av=off:awrs=decay:awrsf=32:bce=on:drc=off:fde=unused:gsp=on:irw=on:nwc=2.0:spb=goal_then_units:updr=off:urr=ec_only:i=29:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/29Mi)
% 0.20/0.61  % (22833)lrs+10_5:1_br=off:fde=none:nwc=3.0:sd=1:sgt=10:sos=on:ss=axioms:urr=on:i=34:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/34Mi)
% 0.20/0.61  % (22833)Refutation not found, incomplete strategy% (22833)------------------------------
% 0.20/0.61  % (22833)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.61  % (22833)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.61  % (22833)Termination reason: Refutation not found, incomplete strategy
% 0.20/0.61  
% 0.20/0.61  % (22833)Memory used [KB]: 5884
% 0.20/0.61  % (22833)Time elapsed: 0.174 s
% 0.20/0.61  % (22833)Instructions burned: 2 (million)
% 0.20/0.61  % (22833)------------------------------
% 0.20/0.61  % (22833)------------------------------
% 0.20/0.61  % (22834)dis+1011_1:16_fsr=off:nwc=2.0:i=25:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/25Mi)
% 0.20/0.62  % (22849)lrs+10_1:7_av=off:awrs=converge:awrsf=40:br=off:bsd=on:cond=on:drc=off:nwc=3.0:plsq=on:plsqc=1:s2a=on:s2agt=16:to=lpo:urr=on:i=6:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/6Mi)
% 0.20/0.62  % (22848)lrs+1011_1:1_afp=100000:afr=on:amm=sco:bd=preordered:cond=fast:newcnf=on:nm=4:sos=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.20/0.62  % (22832)lrs+10_1:1_bd=off:drc=off:lcm=reverse:nwc=5.0:sd=1:sgt=16:spb=goal_then_units:ss=axioms:to=lpo:i=43:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/43Mi)
% 0.20/0.62  % (22850)lrs+1010_1:1_bd=off:fsr=off:sd=1:sos=on:ss=axioms:i=67:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/67Mi)
% 0.20/0.62  % (22850)Refutation not found, incomplete strategy% (22850)------------------------------
% 0.20/0.62  % (22850)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.62  % (22850)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.62  % (22850)Termination reason: Refutation not found, incomplete strategy
% 0.20/0.62  
% 0.20/0.62  % (22850)Memory used [KB]: 5884
% 0.20/0.62  % (22850)Time elapsed: 0.195 s
% 0.20/0.62  % (22850)Instructions burned: 2 (million)
% 0.20/0.62  % (22850)------------------------------
% 0.20/0.62  % (22850)------------------------------
% 0.20/0.62  % (22832)Refutation not found, incomplete strategy% (22832)------------------------------
% 0.20/0.62  % (22832)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.62  % (22832)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.62  % (22832)Termination reason: Refutation not found, incomplete strategy
% 0.20/0.62  
% 0.20/0.62  % (22832)Memory used [KB]: 5884
% 0.20/0.62  % (22832)Time elapsed: 0.190 s
% 0.20/0.62  % (22832)Instructions burned: 2 (million)
% 0.20/0.62  % (22832)------------------------------
% 0.20/0.62  % (22832)------------------------------
% 0.20/0.62  % (22857)lrs+10_1:1_sos=all:ss=axioms:st=1.5:i=20:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/20Mi)
% 0.20/0.63  % (22858)lrs+1010_1:1_bd=off:fd=off:fde=none:ins=3:sac=on:sos=on:spb=goal:to=lpo:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.20/0.63  % (22856)lrs+10_1:1_av=off:sd=2:sos=on:sp=reverse_arity:ss=axioms:to=lpo:i=73:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/73Mi)
% 0.20/0.63  % (22856)Refutation not found, incomplete strategy% (22856)------------------------------
% 0.20/0.63  % (22856)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.63  % (22856)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.63  % (22856)Termination reason: Refutation not found, incomplete strategy
% 0.20/0.63  
% 0.20/0.63  % (22856)Memory used [KB]: 1407
% 0.20/0.63  % (22856)Time elapsed: 0.197 s
% 0.20/0.63  % (22856)Instructions burned: 3 (million)
% 0.20/0.63  % (22856)------------------------------
% 0.20/0.63  % (22856)------------------------------
% 0.20/0.63  % (22853)Instruction limit reached!
% 0.20/0.63  % (22853)------------------------------
% 0.20/0.63  % (22853)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.63  % (22853)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.63  % (22853)Termination reason: Unknown
% 0.20/0.63  % (22853)Termination phase: Saturation
% 0.20/0.63  
% 0.20/0.63  % (22853)Memory used [KB]: 6268
% 0.20/0.63  % (22853)Time elapsed: 0.194 s
% 0.20/0.63  % (22853)Instructions burned: 46 (million)
% 0.20/0.63  % (22853)------------------------------
% 0.20/0.63  % (22853)------------------------------
% 0.20/0.63  % (22841)lrs+10_1:1_drc=off:sp=reverse_frequency:spb=goal:to=lpo:i=5:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/5Mi)
% 0.20/0.63  % (22840)dis+4_1:1_bd=off:cond=fast:fde=unused:lcm=reverse:lma=on:nicw=on:nwc=2.0:s2a=on:s2agt=16:sac=on:sp=frequency:i=23:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/23Mi)
% 0.20/0.63  % (22852)Instruction limit reached!
% 0.20/0.63  % (22852)------------------------------
% 0.20/0.63  % (22852)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.63  % (22852)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.63  % (22852)Termination reason: Unknown
% 0.20/0.63  % (22852)Termination phase: Saturation
% 0.20/0.63  
% 0.20/0.63  % (22852)Memory used [KB]: 6268
% 0.20/0.63  % (22852)Time elapsed: 0.202 s
% 0.20/0.63  % (22852)Instructions burned: 37 (million)
% 0.20/0.63  % (22852)------------------------------
% 0.20/0.63  % (22852)------------------------------
% 0.20/0.63  % (22854)lrs+1010_1:16_acc=on:anc=all:avsq=on:awrs=converge:s2a=on:sac=on:sos=on:ss=axioms:i=81:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/81Mi)
% 0.20/0.63  % (22841)Instruction limit reached!
% 0.20/0.63  % (22841)------------------------------
% 0.20/0.63  % (22841)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.63  % (22841)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.63  % (22841)Termination reason: Unknown
% 0.20/0.63  % (22841)Termination phase: Saturation
% 0.20/0.63  
% 0.20/0.63  % (22841)Memory used [KB]: 5884
% 0.20/0.63  % (22841)Time elapsed: 0.208 s
% 0.20/0.63  % (22841)Instructions burned: 6 (million)
% 0.20/0.63  % (22841)------------------------------
% 0.20/0.63  % (22841)------------------------------
% 0.20/0.64  % (22842)lrs+30_1:12_av=off:bs=unit_only:fsd=on:gs=on:lwlo=on:newcnf=on:slsq=on:slsqr=1,2:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.20/0.64  % (22849)Instruction limit reached!
% 0.20/0.64  % (22849)------------------------------
% 0.20/0.64  % (22849)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.64  % (22846)ott+2_1:64_afp=40000:bd=off:irw=on:i=8:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/8Mi)
% 0.20/0.64  % (22842)Instruction limit reached!
% 0.20/0.64  % (22842)------------------------------
% 0.20/0.64  % (22842)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.64  % (22842)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.64  % (22842)Termination reason: Unknown
% 0.20/0.64  % (22842)Termination phase: Saturation
% 0.20/0.64  
% 0.20/0.64  % (22842)Memory used [KB]: 5884
% 0.20/0.64  % (22842)Time elapsed: 0.208 s
% 0.20/0.64  % (22842)Instructions burned: 3 (million)
% 0.20/0.64  % (22842)------------------------------
% 0.20/0.64  % (22842)------------------------------
% 0.20/0.64  % (22849)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.64  % (22849)Termination reason: Unknown
% 0.20/0.64  % (22849)Termination phase: Saturation
% 0.20/0.64  
% 0.20/0.64  % (22849)Memory used [KB]: 1407
% 0.20/0.64  % (22849)Time elapsed: 0.190 s
% 0.20/0.64  % (22849)Instructions burned: 7 (million)
% 0.20/0.64  % (22849)------------------------------
% 0.20/0.64  % (22849)------------------------------
% 0.20/0.64  % (22848)Instruction limit reached!
% 0.20/0.64  % (22848)------------------------------
% 0.20/0.64  % (22848)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.64  % (22848)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.64  % (22848)Termination reason: Unknown
% 0.20/0.64  % (22848)Termination phase: Saturation
% 0.20/0.64  
% 0.20/0.64  % (22848)Memory used [KB]: 5884
% 0.20/0.64  % (22848)Time elapsed: 0.208 s
% 0.20/0.64  % (22848)Instructions burned: 7 (million)
% 0.20/0.64  % (22848)------------------------------
% 0.20/0.64  % (22848)------------------------------
% 0.20/0.64  % (22838)lrs+1010_1:1_bd=off:fd=off:fde=none:ins=3:sac=on:sos=on:spb=goal:to=lpo:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.64  % (22843)Instruction limit reached!
% 0.20/0.64  % (22843)------------------------------
% 0.20/0.64  % (22843)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.64  % (22843)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.64  % (22843)Termination reason: Unknown
% 0.20/0.64  % (22843)Termination phase: Saturation
% 0.20/0.64  
% 0.20/0.64  % (22843)Memory used [KB]: 1663
% 0.20/0.64  % (22843)Time elapsed: 0.189 s
% 0.20/0.64  % (22843)Instructions burned: 29 (million)
% 0.20/0.64  % (22843)------------------------------
% 0.20/0.64  % (22843)------------------------------
% 0.20/0.65  % (22857)Instruction limit reached!
% 0.20/0.65  % (22857)------------------------------
% 0.20/0.65  % (22857)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.65  % (22857)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.65  % (22857)Termination reason: Unknown
% 0.20/0.65  % (22857)Termination phase: Saturation
% 0.20/0.65  
% 0.20/0.65  % (22857)Memory used [KB]: 6012
% 0.20/0.65  % (22857)Time elapsed: 0.209 s
% 0.20/0.65  % (22857)Instructions burned: 20 (million)
% 0.20/0.65  % (22857)------------------------------
% 0.20/0.65  % (22857)------------------------------
% 0.20/0.65  % (22830)dis+21_1:1_av=off:fd=off:lcm=predicate:sos=on:spb=goal:urr=ec_only:i=42:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/42Mi)
% 2.08/0.65  % (22846)Instruction limit reached!
% 2.08/0.65  % (22846)------------------------------
% 2.08/0.65  % (22846)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.08/0.65  % (22846)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.08/0.65  % (22846)Termination reason: Unknown
% 2.08/0.65  % (22846)Termination phase: Saturation
% 2.08/0.65  
% 2.08/0.65  % (22846)Memory used [KB]: 6012
% 2.08/0.65  % (22846)Time elapsed: 0.176 s
% 2.08/0.65  % (22846)Instructions burned: 9 (million)
% 2.08/0.65  % (22846)------------------------------
% 2.08/0.65  % (22846)------------------------------
% 2.08/0.66  % (22854)Refutation not found, incomplete strategy% (22854)------------------------------
% 2.08/0.66  % (22854)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.08/0.66  % (22854)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.08/0.66  % (22854)Termination reason: Refutation not found, incomplete strategy
% 2.08/0.66  
% 2.08/0.66  % (22854)Memory used [KB]: 5884
% 2.08/0.66  % (22854)Time elapsed: 0.161 s
% 2.08/0.66  % (22854)Instructions burned: 4 (million)
% 2.08/0.66  % (22854)------------------------------
% 2.08/0.66  % (22854)------------------------------
% 2.42/0.67  % (22835)Instruction limit reached!
% 2.42/0.67  % (22835)------------------------------
% 2.42/0.67  % (22835)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.42/0.67  % (22835)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.42/0.67  % (22835)Termination reason: Unknown
% 2.42/0.67  % (22835)Termination phase: Saturation
% 2.42/0.67  
% 2.42/0.67  % (22835)Memory used [KB]: 2046
% 2.42/0.67  % (22835)Time elapsed: 0.236 s
% 2.42/0.67  % (22835)Instructions burned: 50 (million)
% 2.42/0.67  % (22835)------------------------------
% 2.42/0.67  % (22835)------------------------------
% 2.48/0.68  % (22840)Instruction limit reached!
% 2.48/0.68  % (22840)------------------------------
% 2.48/0.68  % (22840)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.48/0.68  % (22840)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.48/0.68  % (22840)Termination reason: Unknown
% 2.48/0.68  % (22840)Termination phase: Saturation
% 2.48/0.68  
% 2.48/0.68  % (22840)Memory used [KB]: 6012
% 2.48/0.68  % (22840)Time elapsed: 0.248 s
% 2.48/0.68  % (22840)Instructions burned: 23 (million)
% 2.48/0.68  % (22840)------------------------------
% 2.48/0.68  % (22840)------------------------------
% 2.48/0.68  % (22834)Instruction limit reached!
% 2.48/0.68  % (22834)------------------------------
% 2.48/0.68  % (22834)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.48/0.68  % (22834)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.48/0.68  % (22834)Termination reason: Unknown
% 2.48/0.68  % (22834)Termination phase: Saturation
% 2.48/0.68  
% 2.48/0.68  % (22834)Memory used [KB]: 6140
% 2.48/0.68  % (22834)Time elapsed: 0.220 s
% 2.48/0.68  % (22834)Instructions burned: 25 (million)
% 2.48/0.68  % (22834)------------------------------
% 2.48/0.68  % (22834)------------------------------
% 2.48/0.68  % (22831)lrs+10_1:16_awrs=converge:awrsf=40:br=off:ep=RSTC:flr=on:gsp=on:nwc=3.0:sos=on:urr=on:i=4:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/4Mi)
% 2.48/0.69  % (22831)Instruction limit reached!
% 2.48/0.69  % (22831)------------------------------
% 2.48/0.69  % (22831)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.48/0.69  % (22831)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.48/0.69  % (22831)Termination reason: Unknown
% 2.48/0.69  % (22831)Termination phase: Saturation
% 2.48/0.69  
% 2.48/0.69  % (22831)Memory used [KB]: 5884
% 2.48/0.69  % (22831)Time elapsed: 0.252 s
% 2.48/0.69  % (22831)Instructions burned: 4 (million)
% 2.48/0.69  % (22831)------------------------------
% 2.48/0.69  % (22831)------------------------------
% 2.48/0.70  % (22829)lrs+10_1:1_kws=precedence:lwlo=on:tgt=ground:i=99966:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99966Mi)
% 2.48/0.70  % (22876)lrs+30_1:12_av=off:bs=unit_only:fsd=on:gs=on:lwlo=on:newcnf=on:slsq=on:slsqr=1,2:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/3Mi)
% 2.57/0.71  % (22839)lrs+1004_1:734_av=off:awrs=converge:awrsf=70:br=off:ep=RSTC:erd=off:gs=on:nwc=3.0:s2a=on:s2agt=16:sp=occurrence:updr=off:urr=on:i=6:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/6Mi)
% 2.57/0.71  % (22876)Instruction limit reached!
% 2.57/0.71  % (22876)------------------------------
% 2.57/0.71  % (22876)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.57/0.71  % (22876)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.57/0.71  % (22876)Termination reason: Unknown
% 2.57/0.71  % (22876)Termination phase: Saturation
% 2.57/0.71  
% 2.57/0.71  % (22876)Memory used [KB]: 5884
% 2.57/0.71  % (22876)Time elapsed: 0.036 s
% 2.57/0.71  % (22876)Instructions burned: 3 (million)
% 2.57/0.71  % (22876)------------------------------
% 2.57/0.71  % (22876)------------------------------
% 2.57/0.71  % (22855)lrs+3_8:1_anc=none:erd=off:fsd=on:s2a=on:s2agt=16:sgt=16:sos=on:sp=frequency:ss=included:i=71:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/71Mi)
% 2.57/0.72  % (22847)lrs+1003_1:1024_add=large:afr=on:cond=fast:fsr=off:gs=on:sos=on:sp=reverse_arity:i=28:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/28Mi)
% 2.63/0.74  % (22855)Refutation not found, incomplete strategy% (22855)------------------------------
% 2.63/0.74  % (22855)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.63/0.74  % (22855)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.63/0.74  % (22855)Termination reason: Refutation not found, incomplete strategy
% 2.63/0.74  
% 2.63/0.74  % (22855)Memory used [KB]: 5884
% 2.63/0.74  % (22855)Time elapsed: 0.289 s
% 2.63/0.74  % (22855)Instructions burned: 5 (million)
% 2.63/0.74  % (22855)------------------------------
% 2.63/0.74  % (22855)------------------------------
% 2.63/0.75  % (22874)lrs+10_1:1_br=off:ep=RSTC:sos=all:urr=on:i=14:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/14Mi)
% 2.63/0.75  % (22830)Instruction limit reached!
% 2.63/0.75  % (22830)------------------------------
% 2.63/0.75  % (22830)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.63/0.75  % (22830)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.63/0.75  % (22830)Termination reason: Unknown
% 2.63/0.75  % (22830)Termination phase: Saturation
% 2.63/0.75  
% 2.63/0.75  % (22830)Memory used [KB]: 1791
% 2.63/0.75  % (22830)Time elapsed: 0.283 s
% 2.63/0.75  % (22830)Instructions burned: 42 (million)
% 2.63/0.75  % (22830)------------------------------
% 2.63/0.75  % (22830)------------------------------
% 2.63/0.75  % (22839)Instruction limit reached!
% 2.63/0.75  % (22839)------------------------------
% 2.63/0.75  % (22839)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.63/0.75  % (22839)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.63/0.75  % (22839)Termination reason: Unknown
% 2.63/0.75  % (22839)Termination phase: Saturation
% 2.63/0.75  
% 2.63/0.75  % (22839)Memory used [KB]: 5884
% 2.63/0.75  % (22839)Time elapsed: 0.299 s
% 2.63/0.75  % (22839)Instructions burned: 7 (million)
% 2.63/0.75  % (22839)------------------------------
% 2.63/0.75  % (22839)------------------------------
% 2.63/0.76  % (22877)dis+1011_1:1_bd=off:canc=force:ev=cautious:nwc=5.0:i=33:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/33Mi)
% 2.63/0.76  % (22896)lrs+1011_1:7_av=off:bsr=on:fd=preordered:nwc=5.0:s2a=on:s2at=2.0:sp=reverse_frequency:to=lpo:urr=on:i=45:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/45Mi)
% 2.63/0.77  % (22851)Instruction limit reached!
% 2.63/0.77  % (22851)------------------------------
% 2.63/0.77  % (22851)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.63/0.77  % (22851)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.63/0.77  % (22851)Termination reason: Unknown
% 2.63/0.77  % (22851)Termination phase: Saturation
% 2.63/0.77  
% 2.63/0.77  % (22851)Memory used [KB]: 6908
% 2.63/0.77  % (22851)Time elapsed: 0.332 s
% 2.63/0.77  % (22851)Instructions burned: 98 (million)
% 2.63/0.77  % (22851)------------------------------
% 2.63/0.77  % (22851)------------------------------
% 2.63/0.77  % (22838)Instruction limit reached!
% 2.63/0.77  % (22838)------------------------------
% 2.63/0.77  % (22838)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.63/0.77  % (22838)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.63/0.77  % (22838)Termination reason: Unknown
% 2.63/0.77  % (22838)Termination phase: Saturation
% 2.63/0.77  
% 2.63/0.77  % (22838)Memory used [KB]: 6268
% 2.63/0.77  % (22838)Time elapsed: 0.297 s
% 2.63/0.77  % (22838)Instructions burned: 51 (million)
% 2.63/0.77  % (22838)------------------------------
% 2.63/0.77  % (22838)------------------------------
% 2.63/0.78  % (22898)lrs+1010_1:1_bd=off:fd=off:fde=none:ins=3:sac=on:sos=on:spb=goal:to=lpo:i=151:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/151Mi)
% 2.63/0.79  % (22890)dis+1011_1:1_av=off:er=known:fde=unused:nwc=10.0:slsq=on:slsqc=1:slsqr=4,15:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/75Mi)
% 2.63/0.79  % (22874)Instruction limit reached!
% 2.63/0.79  % (22874)------------------------------
% 2.63/0.79  % (22874)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.63/0.79  % (22874)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.63/0.79  % (22874)Termination reason: Unknown
% 2.63/0.79  % (22874)Termination phase: Saturation
% 2.63/0.79  
% 2.63/0.79  % (22874)Memory used [KB]: 6012
% 2.63/0.79  % (22874)Time elapsed: 0.146 s
% 2.63/0.79  % (22874)Instructions burned: 14 (million)
% 2.63/0.79  % (22874)------------------------------
% 2.63/0.79  % (22874)------------------------------
% 2.63/0.81  % (22897)lrs+1011_1:1_ep=RS:flr=on:nm=2:sos=on:i=109:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/109Mi)
% 2.63/0.81  % (22847)Instruction limit reached!
% 2.63/0.81  % (22847)------------------------------
% 2.63/0.81  % (22847)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.63/0.81  % (22847)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.63/0.81  % (22847)Termination reason: Unknown
% 2.63/0.81  % (22847)Termination phase: Saturation
% 2.63/0.81  
% 2.63/0.81  % (22847)Memory used [KB]: 10746
% 2.63/0.81  % (22847)Time elapsed: 0.387 s
% 2.63/0.81  % (22847)Instructions burned: 28 (million)
% 2.63/0.81  % (22847)------------------------------
% 2.63/0.81  % (22847)------------------------------
% 2.63/0.82  % (22891)lrs+10_1:16_awrs=converge:awrsf=40:br=off:ep=RSTC:flr=on:gsp=on:nwc=3.0:sos=on:urr=on:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/7Mi)
% 2.84/0.82  % (22892)ott+21_1:1_erd=off:s2a=on:sac=on:sd=1:sgt=64:sos=on:ss=included:st=3.0:to=lpo:urr=on:i=151:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/151Mi)
% 2.84/0.82  % (22877)Instruction limit reached!
% 2.84/0.82  % (22877)------------------------------
% 2.84/0.82  % (22877)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.84/0.82  % (22877)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.84/0.82  % (22877)Termination reason: Unknown
% 2.84/0.82  % (22877)Termination phase: Saturation
% 2.84/0.82  
% 2.84/0.82  % (22877)Memory used [KB]: 6140
% 2.84/0.82  % (22877)Time elapsed: 0.199 s
% 2.84/0.82  % (22877)Instructions burned: 34 (million)
% 2.84/0.82  % (22877)------------------------------
% 2.84/0.82  % (22877)------------------------------
% 2.84/0.83  % (22891)Instruction limit reached!
% 2.84/0.83  % (22891)------------------------------
% 2.84/0.83  % (22891)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.84/0.83  % (22891)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.84/0.83  % (22891)Termination reason: Unknown
% 2.84/0.83  % (22891)Termination phase: Saturation
% 2.84/0.83  
% 2.84/0.83  % (22891)Memory used [KB]: 6012
% 2.84/0.83  % (22891)Time elapsed: 0.134 s
% 2.84/0.83  % (22891)Instructions burned: 7 (million)
% 2.84/0.83  % (22891)------------------------------
% 2.84/0.83  % (22891)------------------------------
% 2.84/0.83  % (22895)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=147:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/147Mi)
% 2.84/0.83  % (22896)Instruction limit reached!
% 2.84/0.83  % (22896)------------------------------
% 2.84/0.83  % (22896)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.84/0.83  % (22896)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.84/0.83  % (22896)Termination reason: Unknown
% 2.84/0.83  % (22896)Termination phase: Saturation
% 2.84/0.83  
% 2.84/0.83  % (22896)Memory used [KB]: 1791
% 2.84/0.83  % (22896)Time elapsed: 0.094 s
% 2.84/0.83  % (22896)Instructions burned: 45 (million)
% 2.84/0.83  % (22896)------------------------------
% 2.84/0.83  % (22896)------------------------------
% 2.84/0.83  % (22887)dis+21_1:8_aac=none:bs=unit_only:er=filter:fd=off:nwc=5.0:s2pl=no:i=46:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/46Mi)
% 2.84/0.87  % (22898)First to succeed.
% 2.84/0.87  % (22898)Refutation found. Thanks to Tanya!
% 2.84/0.87  % SZS status Unsatisfiable for theBenchmark
% 2.84/0.87  % SZS output start Proof for theBenchmark
% See solution above
% 2.84/0.87  % (22898)------------------------------
% 2.84/0.87  % (22898)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.84/0.87  % (22898)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.84/0.87  % (22898)Termination reason: Refutation
% 2.84/0.87  
% 2.84/0.87  % (22898)Memory used [KB]: 6780
% 2.84/0.87  % (22898)Time elapsed: 0.115 s
% 2.84/0.87  % (22898)Instructions burned: 88 (million)
% 2.84/0.87  % (22898)------------------------------
% 2.84/0.87  % (22898)------------------------------
% 2.84/0.87  % (22828)Success in time 0.511 s
%------------------------------------------------------------------------------