TSTP Solution File: SET222-6 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET222-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 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 : n018.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 18:24:13 EDT 2022

% Result   : Unsatisfiable 3.58s 1.00s
% Output   : Refutation 3.58s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   29 (  11 unt;   0 def)
%            Number of atoms       :   52 (   6 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   47 (  24   ~;  23   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    8 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   4 con; 0-2 aty)
%            Number of variables   :   60 (  60   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2747,plain,
    $false,
    inference(subsumption_resolution,[],[f2744,f185]) ).

fof(f185,plain,
    ~ member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(w,z)),
    inference(resolution,[],[f3,f113]) ).

fof(f113,axiom,
    ~ subclass(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_cross_product_property4_1) ).

fof(f3,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | ~ member(not_subclass_element(X0,X1),X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_subclass_members2) ).

fof(f2744,plain,
    member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(w,z)),
    inference(resolution,[],[f2739,f194]) ).

fof(f194,plain,
    member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(y,z)),
    inference(resolution,[],[f22,f184]) ).

fof(f184,plain,
    member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),intersection(cross_product(w,x),cross_product(y,z))),
    inference(resolution,[],[f2,f113]) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | member(not_subclass_element(X0,X1),X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_subclass_members1) ).

fof(f22,axiom,
    ! [X0,X1,X4] :
      ( ~ member(X4,intersection(X0,X1))
      | member(X4,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection2) ).

fof(f2739,plain,
    ! [X0,X1] :
      ( ~ member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(X0,X1))
      | member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(w,X1)) ),
    inference(resolution,[],[f801,f192]) ).

fof(f192,plain,
    member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(w,x)),
    inference(resolution,[],[f21,f184]) ).

fof(f21,axiom,
    ! [X0,X1,X4] :
      ( ~ member(X4,intersection(X0,X1))
      | member(X4,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection1) ).

fof(f801,plain,
    ! [X16,X14,X17,X15] :
      ( ~ member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(X16,X17))
      | ~ member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(X14,X15))
      | member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(X16,X15)) ),
    inference(resolution,[],[f513,f400]) ).

fof(f400,plain,
    ! [X3,X4] :
      ( member(first(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z))),X3)
      | ~ member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(X3,X4)) ),
    inference(superposition,[],[f174,f394]) ).

fof(f394,plain,
    not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)) = unordered_pair(unordered_pair(first(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z))),first(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)))),unordered_pair(first(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z))),unordered_pair(second(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z))),second(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)))))),
    inference(resolution,[],[f132,f192]) ).

fof(f132,plain,
    ! [X0,X1,X4] :
      ( ~ member(X4,cross_product(X0,X1))
      | unordered_pair(unordered_pair(first(X4),first(X4)),unordered_pair(first(X4),unordered_pair(second(X4),second(X4)))) = X4 ),
    inference(definition_unfolding,[],[f17,f118]) ).

fof(f118,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),
    inference(definition_unfolding,[],[f13,f12,f12]) ).

fof(f12,axiom,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_set) ).

fof(f13,axiom,
    ! [X0,X1] : unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))) = ordered_pair(X0,X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordered_pair) ).

fof(f17,axiom,
    ! [X0,X1,X4] :
      ( ~ member(X4,cross_product(X0,X1))
      | ordered_pair(first(X4),second(X4)) = X4 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cartesian_product4) ).

fof(f174,plain,
    ! [X2,X3,X0,X1] :
      ( ~ member(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),cross_product(X0,X1))
      | member(X2,X0) ),
    inference(definition_unfolding,[],[f14,f118]) ).

fof(f14,axiom,
    ! [X2,X3,X0,X1] :
      ( ~ member(ordered_pair(X2,X3),cross_product(X0,X1))
      | member(X2,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cartesian_product1) ).

fof(f513,plain,
    ! [X2,X0,X1] :
      ( ~ member(first(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z))),X0)
      | ~ member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(X2,X1))
      | member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(X0,X1)) ),
    inference(resolution,[],[f398,f401]) ).

fof(f401,plain,
    ! [X6,X5] :
      ( member(second(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z))),X6)
      | ~ member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(X5,X6)) ),
    inference(superposition,[],[f136,f394]) ).

fof(f136,plain,
    ! [X2,X3,X0,X1] :
      ( ~ member(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),cross_product(X0,X1))
      | member(X3,X1) ),
    inference(definition_unfolding,[],[f15,f118]) ).

fof(f15,axiom,
    ! [X2,X3,X0,X1] :
      ( member(X3,X1)
      | ~ member(ordered_pair(X2,X3),cross_product(X0,X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cartesian_product2) ).

fof(f398,plain,
    ! [X0,X1] :
      ( ~ member(second(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z))),X1)
      | ~ member(first(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z))),X0)
      | member(not_subclass_element(intersection(cross_product(w,x),cross_product(y,z)),cross_product(w,z)),cross_product(X0,X1)) ),
    inference(superposition,[],[f155,f394]) ).

fof(f155,plain,
    ! [X2,X3,X0,X1] :
      ( member(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),cross_product(X0,X1))
      | ~ member(X3,X1)
      | ~ member(X2,X0) ),
    inference(definition_unfolding,[],[f16,f118]) ).

fof(f16,axiom,
    ! [X2,X3,X0,X1] :
      ( ~ member(X3,X1)
      | member(ordered_pair(X2,X3),cross_product(X0,X1))
      | ~ member(X2,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cartesian_product3) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem    : SET222-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 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 : n018.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   : Tue Aug 30 13:33:25 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.49  % (23673)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.19/0.50  % (23666)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.51  % (23666)Instruction limit reached!
% 0.19/0.51  % (23666)------------------------------
% 0.19/0.51  % (23666)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (23667)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.19/0.51  % (23682)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 0.19/0.51  % (23674)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 0.19/0.51  % (23681)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 0.19/0.51  % (23666)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (23666)Termination reason: Unknown
% 0.19/0.51  % (23666)Termination phase: Saturation
% 0.19/0.51  
% 0.19/0.51  % (23666)Memory used [KB]: 5500
% 0.19/0.51  % (23666)Time elapsed: 0.102 s
% 0.19/0.51  % (23666)Instructions burned: 7 (million)
% 0.19/0.51  % (23666)------------------------------
% 0.19/0.51  % (23666)------------------------------
% 0.19/0.52  % (23667)Instruction limit reached!
% 0.19/0.52  % (23667)------------------------------
% 0.19/0.52  % (23667)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.53  % (23663)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.53  % (23667)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.53  % (23667)Termination reason: Unknown
% 0.19/0.53  % (23667)Termination phase: Property scanning
% 0.19/0.53  
% 0.19/0.53  % (23667)Memory used [KB]: 1023
% 0.19/0.53  % (23667)Time elapsed: 0.004 s
% 0.19/0.53  % (23667)Instructions burned: 4 (million)
% 0.19/0.53  % (23667)------------------------------
% 0.19/0.53  % (23667)------------------------------
% 0.19/0.53  % (23660)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)
% 0.19/0.53  % (23671)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.19/0.53  % (23685)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.19/0.53  % (23670)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.19/0.53  % (23672)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.54  % (23683)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 0.19/0.54  % (23687)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.19/0.54  % (23661)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.19/0.54  % (23675)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.54  % (23686)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=177:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/177Mi)
% 0.19/0.54  % (23688)ott+10_7:2_awrs=decay:awrsf=8:bd=preordered:drc=off:fd=preordered:fde=unused:fsr=off:slsq=on:slsqc=2:slsqr=5,8:sp=const_min:spb=units:to=lpo:i=355:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/355Mi)
% 0.19/0.55  % (23668)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)
% 0.19/0.55  % (23659)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 0.19/0.55  % (23679)ott+10_1:8_bsd=on:fsd=on:lcm=predicate:nwc=5.0:s2a=on:s2at=1.5:spb=goal_then_units:i=176:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/176Mi)
% 0.19/0.55  % (23676)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.19/0.55  % (23680)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 0.19/0.55  % (23678)ott+4_1:1_av=off:bd=off:nwc=5.0:rp=on:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.19/0.55  % (23677)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.19/0.55  % (23662)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.55  % (23664)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=48:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/48Mi)
% 0.19/0.55  % (23665)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.56  % (23669)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.19/0.57  % (23684)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 1.92/0.61  % (23673)Instruction limit reached!
% 1.92/0.61  % (23673)------------------------------
% 1.92/0.61  % (23673)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.92/0.61  % (23660)Refutation not found, incomplete strategy% (23660)------------------------------
% 1.92/0.61  % (23660)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.92/0.61  % (23660)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.92/0.61  % (23660)Termination reason: Refutation not found, incomplete strategy
% 1.92/0.61  
% 1.92/0.61  % (23660)Memory used [KB]: 6524
% 1.92/0.61  % (23660)Time elapsed: 0.191 s
% 1.92/0.61  % (23660)Instructions burned: 44 (million)
% 1.92/0.61  % (23660)------------------------------
% 1.92/0.61  % (23660)------------------------------
% 1.92/0.62  % (23661)Instruction limit reached!
% 1.92/0.62  % (23661)------------------------------
% 1.92/0.62  % (23661)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.92/0.62  % (23661)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.92/0.62  % (23661)Termination reason: Unknown
% 1.92/0.62  % (23661)Termination phase: Saturation
% 1.92/0.62  
% 1.92/0.62  % (23661)Memory used [KB]: 1663
% 1.92/0.62  % (23661)Time elapsed: 0.200 s
% 1.92/0.62  % (23661)Instructions burned: 37 (million)
% 1.92/0.62  % (23661)------------------------------
% 1.92/0.62  % (23661)------------------------------
% 1.92/0.63  % (23668)Instruction limit reached!
% 1.92/0.63  % (23668)------------------------------
% 1.92/0.63  % (23668)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.92/0.63  % (23668)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.92/0.63  % (23668)Termination reason: Unknown
% 1.92/0.63  % (23668)Termination phase: Saturation
% 1.92/0.63  
% 1.92/0.63  % (23668)Memory used [KB]: 1918
% 1.92/0.63  % (23668)Time elapsed: 0.209 s
% 1.92/0.63  % (23668)Instructions burned: 51 (million)
% 1.92/0.63  % (23668)------------------------------
% 1.92/0.63  % (23668)------------------------------
% 2.13/0.63  % (23673)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.13/0.63  % (23673)Termination reason: Unknown
% 2.13/0.63  % (23673)Termination phase: Saturation
% 2.13/0.63  
% 2.13/0.63  % (23673)Memory used [KB]: 7036
% 2.13/0.63  % (23673)Time elapsed: 0.050 s
% 2.13/0.63  % (23673)Instructions burned: 69 (million)
% 2.13/0.63  % (23673)------------------------------
% 2.13/0.63  % (23673)------------------------------
% 2.13/0.63  % (23662)Instruction limit reached!
% 2.13/0.63  % (23662)------------------------------
% 2.13/0.63  % (23662)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.13/0.63  % (23662)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.13/0.63  % (23662)Termination reason: Unknown
% 2.13/0.63  % (23662)Termination phase: Saturation
% 2.13/0.63  
% 2.13/0.63  % (23662)Memory used [KB]: 6652
% 2.13/0.63  % (23662)Time elapsed: 0.233 s
% 2.13/0.63  % (23662)Instructions burned: 51 (million)
% 2.13/0.63  % (23662)------------------------------
% 2.13/0.63  % (23662)------------------------------
% 2.13/0.64  % (23676)Instruction limit reached!
% 2.13/0.64  % (23676)------------------------------
% 2.13/0.64  % (23676)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.13/0.64  % (23676)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.13/0.64  % (23676)Termination reason: Unknown
% 2.13/0.64  % (23676)Termination phase: Finite model building preprocessing
% 2.13/0.64  
% 2.13/0.64  % (23676)Memory used [KB]: 1663
% 2.13/0.64  % (23676)Time elapsed: 0.028 s
% 2.13/0.64  % (23676)Instructions burned: 59 (million)
% 2.13/0.64  % (23676)------------------------------
% 2.13/0.64  % (23676)------------------------------
% 2.13/0.64  % (23664)Instruction limit reached!
% 2.13/0.64  % (23664)------------------------------
% 2.13/0.64  % (23664)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.13/0.64  % (23664)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.13/0.64  % (23664)Termination reason: Unknown
% 2.13/0.64  % (23664)Termination phase: Saturation
% 2.13/0.64  
% 2.13/0.64  % (23664)Memory used [KB]: 6268
% 2.13/0.64  % (23664)Time elapsed: 0.222 s
% 2.13/0.64  % (23664)Instructions burned: 48 (million)
% 2.13/0.64  % (23664)------------------------------
% 2.13/0.64  % (23664)------------------------------
% 2.29/0.64  % (23663)Instruction limit reached!
% 2.29/0.64  % (23663)------------------------------
% 2.29/0.64  % (23663)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.29/0.64  % (23663)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.29/0.64  % (23663)Termination reason: Unknown
% 2.29/0.64  % (23663)Termination phase: Saturation
% 2.29/0.64  
% 2.29/0.64  % (23663)Memory used [KB]: 6396
% 2.29/0.64  % (23663)Time elapsed: 0.221 s
% 2.29/0.64  % (23663)Instructions burned: 51 (million)
% 2.29/0.64  % (23663)------------------------------
% 2.29/0.64  % (23663)------------------------------
% 2.29/0.64  % (23674)Instruction limit reached!
% 2.29/0.64  % (23674)------------------------------
% 2.29/0.64  % (23674)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.29/0.64  % (23674)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.29/0.64  % (23674)Termination reason: Unknown
% 2.29/0.64  % (23674)Termination phase: Saturation
% 2.29/0.64  
% 2.29/0.64  % (23674)Memory used [KB]: 2174
% 2.29/0.64  % (23674)Time elapsed: 0.238 s
% 2.29/0.64  % (23674)Instructions burned: 76 (million)
% 2.29/0.64  % (23674)------------------------------
% 2.29/0.64  % (23674)------------------------------
% 2.29/0.65  % (23665)Instruction limit reached!
% 2.29/0.65  % (23665)------------------------------
% 2.29/0.65  % (23665)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.29/0.65  % (23665)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.29/0.65  % (23665)Termination reason: Unknown
% 2.29/0.65  % (23665)Termination phase: Finite model building preprocessing
% 2.29/0.65  
% 2.29/0.65  % (23665)Memory used [KB]: 1791
% 2.29/0.65  % (23665)Time elapsed: 0.030 s
% 2.29/0.65  % (23665)Instructions burned: 51 (million)
% 2.29/0.65  % (23665)------------------------------
% 2.29/0.65  % (23665)------------------------------
% 2.29/0.65  % (23690)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=211:si=on:rawr=on:rtra=on_0 on theBenchmark for (2998ds/211Mi)
% 2.29/0.66  % (23689)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=388:si=on:rawr=on:rtra=on_0 on theBenchmark for (2998ds/388Mi)
% 2.29/0.67  % (23669)Instruction limit reached!
% 2.29/0.67  % (23669)------------------------------
% 2.29/0.67  % (23669)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.29/0.67  % (23669)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.29/0.67  % (23669)Termination reason: Unknown
% 2.29/0.67  % (23669)Termination phase: Saturation
% 2.29/0.67  
% 2.29/0.67  % (23669)Memory used [KB]: 6524
% 2.29/0.67  % (23669)Time elapsed: 0.249 s
% 2.29/0.67  % (23669)Instructions burned: 50 (million)
% 2.29/0.67  % (23669)------------------------------
% 2.29/0.67  % (23669)------------------------------
% 2.29/0.68  % (23685)Instruction limit reached!
% 2.29/0.68  % (23685)------------------------------
% 2.29/0.68  % (23685)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.29/0.68  % (23685)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.29/0.68  % (23685)Termination reason: Unknown
% 2.29/0.68  % (23685)Termination phase: Saturation
% 2.29/0.68  
% 2.29/0.68  % (23685)Memory used [KB]: 7291
% 2.29/0.68  % (23685)Time elapsed: 0.045 s
% 2.29/0.68  % (23685)Instructions burned: 68 (million)
% 2.29/0.68  % (23685)------------------------------
% 2.29/0.68  % (23685)------------------------------
% 2.68/0.72  % (23670)Instruction limit reached!
% 2.68/0.72  % (23670)------------------------------
% 2.68/0.72  % (23670)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.68/0.72  % (23670)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.68/0.72  % (23670)Termination reason: Unknown
% 2.68/0.72  % (23670)Termination phase: Saturation
% 2.68/0.72  
% 2.68/0.72  % (23670)Memory used [KB]: 7547
% 2.68/0.72  % (23670)Time elapsed: 0.314 s
% 2.68/0.72  % (23670)Instructions burned: 102 (million)
% 2.68/0.72  % (23670)------------------------------
% 2.68/0.72  % (23670)------------------------------
% 2.68/0.73  % (23672)Instruction limit reached!
% 2.68/0.73  % (23672)------------------------------
% 2.68/0.73  % (23672)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.68/0.73  % (23672)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.68/0.73  % (23672)Termination reason: Unknown
% 2.68/0.73  % (23672)Termination phase: Saturation
% 2.68/0.73  
% 2.68/0.73  % (23672)Memory used [KB]: 7419
% 2.68/0.73  % (23672)Time elapsed: 0.309 s
% 2.68/0.73  % (23672)Instructions burned: 100 (million)
% 2.68/0.73  % (23672)------------------------------
% 2.68/0.73  % (23672)------------------------------
% 2.68/0.73  % (23671)Instruction limit reached!
% 2.68/0.73  % (23671)------------------------------
% 2.68/0.73  % (23671)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.68/0.73  % (23671)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.68/0.73  % (23671)Termination reason: Unknown
% 2.68/0.73  % (23671)Termination phase: Saturation
% 2.68/0.73  
% 2.68/0.73  % (23671)Memory used [KB]: 7291
% 2.68/0.73  % (23671)Time elapsed: 0.316 s
% 2.68/0.73  % (23671)Instructions burned: 101 (million)
% 2.68/0.73  % (23671)------------------------------
% 2.68/0.73  % (23671)------------------------------
% 2.68/0.73  % (23677)Instruction limit reached!
% 2.68/0.73  % (23677)------------------------------
% 2.68/0.73  % (23677)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.68/0.73  % (23677)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.68/0.73  % (23677)Termination reason: Unknown
% 2.68/0.73  % (23677)Termination phase: Saturation
% 2.68/0.73  
% 2.68/0.73  % (23677)Memory used [KB]: 7547
% 2.68/0.73  % (23677)Time elapsed: 0.335 s
% 2.68/0.73  % (23677)Instructions burned: 101 (million)
% 2.68/0.73  % (23677)------------------------------
% 2.68/0.73  % (23677)------------------------------
% 2.68/0.74  % (23678)Instruction limit reached!
% 2.68/0.74  % (23678)------------------------------
% 2.68/0.74  % (23678)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.68/0.74  % (23678)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.68/0.74  % (23678)Termination reason: Unknown
% 2.68/0.74  % (23678)Termination phase: Saturation
% 2.68/0.74  
% 2.68/0.74  % (23678)Memory used [KB]: 2686
% 2.68/0.74  % (23678)Time elapsed: 0.335 s
% 2.68/0.74  % (23678)Instructions burned: 101 (million)
% 2.68/0.74  % (23678)------------------------------
% 2.68/0.74  % (23678)------------------------------
% 2.68/0.75  % (23692)ott+1_1:2_i=920:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/920Mi)
% 2.68/0.75  % (23693)ott+1_1:7_bd=off:i=934:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/934Mi)
% 2.68/0.76  % (23691)dis+22_1:128_bsd=on:rp=on:slsq=on:slsqc=1:slsqr=1,6:sp=frequency:spb=goal:thsq=on:thsqc=16:thsqd=1:thsql=off:i=90:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/90Mi)
% 2.68/0.76  % (23695)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=655:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/655Mi)
% 2.96/0.77  % (23694)ott+10_1:50_bsr=unit_only:drc=off:fd=preordered:sp=frequency:i=747:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/747Mi)
% 2.96/0.77  % (23696)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/68Mi)
% 2.96/0.77  WARNING Broken Constraint: if sine_depth(2) has been set then sine_selection(off) is not equal to off
% 2.96/0.77  % (23699)dis+22_1:128_bsd=on:rp=on:slsq=on:slsqc=1:slsqr=1,6:sp=frequency:spb=goal:thsq=on:thsqc=16:thsqd=1:thsql=off:i=90:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/90Mi)
% 2.96/0.77  % (23700)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=2016:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/2016Mi)
% 2.96/0.78  % (23675)Instruction limit reached!
% 2.96/0.78  % (23675)------------------------------
% 2.96/0.78  % (23675)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.96/0.78  % (23675)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.96/0.78  % (23675)Termination reason: Unknown
% 2.96/0.78  % (23675)Termination phase: Saturation
% 2.96/0.78  
% 2.96/0.78  % (23675)Memory used [KB]: 6908
% 2.96/0.78  % (23675)Time elapsed: 0.328 s
% 2.96/0.78  % (23675)Instructions burned: 99 (million)
% 2.96/0.78  % (23675)------------------------------
% 2.96/0.78  % (23675)------------------------------
% 2.96/0.78  % (23698)ott+11_4:1_br=off:fde=none:s2a=on:sd=2:sp=frequency:urr=on:i=981:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/981Mi)
% 2.96/0.78  % (23697)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=940:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/940Mi)
% 2.96/0.83  % (23680)Instruction limit reached!
% 2.96/0.83  % (23680)------------------------------
% 2.96/0.83  % (23680)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.96/0.83  % (23680)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.96/0.83  % (23680)Termination reason: Unknown
% 2.96/0.83  % (23680)Termination phase: Saturation
% 2.96/0.83  
% 2.96/0.83  % (23680)Memory used [KB]: 7419
% 2.96/0.83  % (23680)Time elapsed: 0.426 s
% 2.96/0.83  % (23680)Instructions burned: 138 (million)
% 2.96/0.83  % (23680)------------------------------
% 2.96/0.83  % (23680)------------------------------
% 2.96/0.85  % (23679)Instruction limit reached!
% 2.96/0.85  % (23679)------------------------------
% 2.96/0.85  % (23679)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.96/0.85  % (23702)ott+11_9:8_add=large:afp=10:amm=off:fsd=on:fsr=off:lma=on:nm=0:nwc=2.4:s2a=on:s2agt=10:sas=z3:sp=reverse_arity:tha=some:thi=overlap:i=4958:si=on:rawr=on:rtra=on_0 on theBenchmark for (2996ds/4958Mi)
% 3.28/0.86  % (23705)ott+3_1:1_atotf=0.2:fsr=off:kws=precedence:sp=weighted_frequency:spb=intro:tgt=ground:i=4931:si=on:rawr=on:rtra=on_0 on theBenchmark for (2996ds/4931Mi)
% 3.28/0.87  % (23679)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.28/0.87  % (23679)Termination reason: Unknown
% 3.28/0.87  % (23679)Termination phase: Saturation
% 3.28/0.87  
% 3.28/0.87  % (23679)Memory used [KB]: 7419
% 3.28/0.87  % (23679)Time elapsed: 0.438 s
% 3.28/0.87  % (23679)Instructions burned: 176 (million)
% 3.28/0.87  % (23679)------------------------------
% 3.28/0.87  % (23679)------------------------------
% 3.28/0.88  % (23708)ott+11_9:8_amm=off:bsd=on:etr=on:fsd=on:fsr=off:lma=on:newcnf=on:nm=0:nwc=3.0:s2a=on:s2agt=10:sas=z3:tha=some:i=1824:si=on:rawr=on:rtra=on_0 on theBenchmark for (2996ds/1824Mi)
% 3.28/0.88  % (23701)dis+10_1:2_atotf=0.3:i=3735:si=on:rawr=on:rtra=on_0 on theBenchmark for (2996ds/3735Mi)
% 3.28/0.88  % (23704)ott+10_1:1_kws=precedence:tgt=ground:i=4756:si=on:rawr=on:rtra=on_0 on theBenchmark for (2996ds/4756Mi)
% 3.37/0.89  % (23707)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2996ds/68Mi)
% 3.37/0.89  % (23703)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=4959:si=on:rawr=on:rtra=on_0 on theBenchmark for (2996ds/4959Mi)
% 3.37/0.90  % (23696)Instruction limit reached!
% 3.37/0.90  % (23696)------------------------------
% 3.37/0.90  % (23696)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.37/0.90  % (23696)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.37/0.90  % (23696)Termination reason: Unknown
% 3.37/0.90  % (23696)Termination phase: Saturation
% 3.37/0.90  
% 3.37/0.90  % (23696)Memory used [KB]: 7164
% 3.37/0.90  % (23696)Time elapsed: 0.037 s
% 3.37/0.90  % (23696)Instructions burned: 69 (million)
% 3.37/0.90  % (23696)------------------------------
% 3.37/0.90  % (23696)------------------------------
% 3.37/0.91  % (23686)Instruction limit reached!
% 3.37/0.91  % (23686)------------------------------
% 3.37/0.91  % (23686)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.37/0.91  % (23686)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.37/0.91  % (23686)Termination reason: Unknown
% 3.37/0.91  % (23686)Termination phase: Saturation
% 3.37/0.91  
% 3.37/0.91  % (23686)Memory used [KB]: 3709
% 3.37/0.91  % (23686)Time elapsed: 0.509 s
% 3.37/0.91  % (23686)Instructions burned: 178 (million)
% 3.37/0.91  % (23686)------------------------------
% 3.37/0.91  % (23686)------------------------------
% 3.58/0.93  % (23709)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=2134:si=on:rawr=on:rtra=on_0 on theBenchmark for (2995ds/2134Mi)
% 3.58/0.94  % (23691)Instruction limit reached!
% 3.58/0.94  % (23691)------------------------------
% 3.58/0.94  % (23691)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.58/0.94  % (23691)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.58/0.94  % (23691)Termination reason: Unknown
% 3.58/0.94  % (23691)Termination phase: Saturation
% 3.58/0.94  
% 3.58/0.94  % (23691)Memory used [KB]: 6780
% 3.58/0.94  % (23691)Time elapsed: 0.303 s
% 3.58/0.94  % (23691)Instructions burned: 91 (million)
% 3.58/0.94  % (23691)------------------------------
% 3.58/0.94  % (23691)------------------------------
% 3.58/0.94  % (23699)Instruction limit reached!
% 3.58/0.94  % (23699)------------------------------
% 3.58/0.94  % (23699)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.58/0.95  % (23699)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.58/0.95  % (23699)Termination reason: Unknown
% 3.58/0.95  % (23699)Termination phase: Saturation
% 3.58/0.95  
% 3.58/0.95  % (23699)Memory used [KB]: 7164
% 3.58/0.95  % (23699)Time elapsed: 0.268 s
% 3.58/0.95  % (23699)Instructions burned: 90 (million)
% 3.58/0.95  % (23699)------------------------------
% 3.58/0.95  % (23699)------------------------------
% 3.58/0.98  % (23690)Instruction limit reached!
% 3.58/0.98  % (23690)------------------------------
% 3.58/0.98  % (23690)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.58/0.99  % (23681)First to succeed.
% 3.58/0.99  % (23690)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.58/0.99  % (23690)Termination reason: Unknown
% 3.58/0.99  % (23690)Termination phase: Saturation
% 3.58/0.99  
% 3.58/0.99  % (23690)Memory used [KB]: 4605
% 3.58/0.99  % (23690)Time elapsed: 0.406 s
% 3.58/0.99  % (23690)Instructions burned: 211 (million)
% 3.58/0.99  % (23690)------------------------------
% 3.58/0.99  % (23690)------------------------------
% 3.58/1.00  % (23681)Refutation found. Thanks to Tanya!
% 3.58/1.00  % SZS status Unsatisfiable for theBenchmark
% 3.58/1.00  % SZS output start Proof for theBenchmark
% See solution above
% 3.58/1.00  % (23681)------------------------------
% 3.58/1.00  % (23681)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.58/1.00  % (23681)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.58/1.00  % (23681)Termination reason: Refutation
% 3.58/1.00  
% 3.58/1.00  % (23681)Memory used [KB]: 3326
% 3.58/1.00  % (23681)Time elapsed: 0.576 s
% 3.58/1.00  % (23681)Instructions burned: 297 (million)
% 3.58/1.00  % (23681)------------------------------
% 3.58/1.00  % (23681)------------------------------
% 3.58/1.00  % (23658)Success in time 0.645 s
%------------------------------------------------------------------------------