TSTP Solution File: SET017-7 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET017-7 : 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 : n001.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 18:23:08 EDT 2022

% Result   : Unsatisfiable 2.36s 0.68s
% Output   : Refutation 2.36s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   15
% Syntax   : Number of formulae    :   47 (  12 unt;   0 def)
%            Number of atoms       :   99 (  24 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :   94 (  42   ~;  46   |;   0   &)
%                                         (   6 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    9 (   7 usr;   7 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   4 con; 0-2 aty)
%            Number of variables   :   32 (  32   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f395,plain,
    $false,
    inference(avatar_sat_refutation,[],[f224,f236,f251,f259,f283,f291,f394]) ).

fof(f394,plain,
    ( ~ spl0_3
    | spl0_4
    | ~ spl0_5 ),
    inference(avatar_contradiction_clause,[],[f393]) ).

fof(f393,plain,
    ( $false
    | ~ spl0_3
    | spl0_4
    | ~ spl0_5 ),
    inference(trivial_inequality_removal,[],[f386]) ).

fof(f386,plain,
    ( x != x
    | ~ spl0_3
    | spl0_4
    | ~ spl0_5 ),
    inference(backward_demodulation,[],[f260,f383]) ).

fof(f383,plain,
    ( x = y
    | ~ spl0_3
    | ~ spl0_5 ),
    inference(resolution,[],[f278,f267]) ).

fof(f267,plain,
    ( ! [X0] :
        ( ~ member(X0,unordered_pair(x,x))
        | x = X0 )
    | ~ spl0_3 ),
    inference(backward_demodulation,[],[f265,f266]) ).

fof(f266,plain,
    ( unordered_pair(x,y) = unordered_pair(x,x)
    | ~ spl0_3 ),
    inference(forward_demodulation,[],[f114,f246]) ).

fof(f246,plain,
    ( x = z
    | ~ spl0_3 ),
    inference(avatar_component_clause,[],[f244]) ).

fof(f244,plain,
    ( spl0_3
  <=> x = z ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_3])]) ).

fof(f114,axiom,
    unordered_pair(x,y) = unordered_pair(x,z),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_left_cancellation_1) ).

fof(f265,plain,
    ( ! [X0] :
        ( x = X0
        | ~ member(X0,unordered_pair(x,y)) )
    | ~ spl0_3 ),
    inference(duplicate_literal_removal,[],[f264]) ).

fof(f264,plain,
    ( ! [X0] :
        ( ~ member(X0,unordered_pair(x,y))
        | x = X0
        | x = X0 )
    | ~ spl0_3 ),
    inference(forward_demodulation,[],[f227,f246]) ).

fof(f227,plain,
    ! [X0] :
      ( x = X0
      | z = X0
      | ~ member(X0,unordered_pair(x,y)) ),
    inference(superposition,[],[f8,f114]) ).

fof(f8,axiom,
    ! [X2,X0,X1] :
      ( ~ member(X2,unordered_pair(X0,X1))
      | X0 = X2
      | X1 = X2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair_member) ).

fof(f278,plain,
    ( member(y,unordered_pair(x,x))
    | ~ spl0_5 ),
    inference(avatar_component_clause,[],[f276]) ).

fof(f276,plain,
    ( spl0_5
  <=> member(y,unordered_pair(x,x)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_5])]) ).

fof(f260,plain,
    ( x != y
    | ~ spl0_3
    | spl0_4 ),
    inference(backward_demodulation,[],[f249,f246]) ).

fof(f249,plain,
    ( y != z
    | spl0_4 ),
    inference(avatar_component_clause,[],[f248]) ).

fof(f248,plain,
    ( spl0_4
  <=> y = z ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_4])]) ).

fof(f291,plain,
    ( spl0_6
    | ~ spl0_3 ),
    inference(avatar_split_clause,[],[f286,f244,f280]) ).

fof(f280,plain,
    ( spl0_6
  <=> member(y,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_6])]) ).

fof(f286,plain,
    ( member(y,universal_class)
    | ~ spl0_3 ),
    inference(resolution,[],[f172,f263]) ).

fof(f263,plain,
    ( member(unordered_pair(unordered_pair(y,y),unordered_pair(y,unordered_pair(x,x))),cross_product(universal_class,universal_class))
    | ~ spl0_3 ),
    inference(forward_demodulation,[],[f149,f246]) ).

fof(f149,plain,
    member(unordered_pair(unordered_pair(y,y),unordered_pair(y,unordered_pair(z,z))),cross_product(universal_class,universal_class)),
    inference(forward_demodulation,[],[f115,f124]) ).

fof(f124,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),
    inference(forward_demodulation,[],[f123,f12]) ).

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

fof(f123,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(singleton(X0),unordered_pair(X0,unordered_pair(X1,X1))),
    inference(forward_demodulation,[],[f13,f12]) ).

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

fof(f115,axiom,
    member(ordered_pair(y,z),cross_product(universal_class,universal_class)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_left_cancellation_2) ).

fof(f172,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,universal_class) ),
    inference(forward_demodulation,[],[f94,f124]) ).

fof(f94,axiom,
    ! [X2,X3,X0,X1] :
      ( ~ member(ordered_pair(X2,X3),cross_product(X0,X1))
      | member(X2,universal_class) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',corollary_1_to_cartesian_product) ).

fof(f283,plain,
    ( spl0_5
    | ~ spl0_6
    | ~ spl0_3 ),
    inference(avatar_split_clause,[],[f272,f244,f280,f276]) ).

fof(f272,plain,
    ( ~ member(y,universal_class)
    | member(y,unordered_pair(x,x))
    | ~ spl0_3 ),
    inference(superposition,[],[f10,f266]) ).

fof(f10,axiom,
    ! [X0,X1] :
      ( member(X1,unordered_pair(X0,X1))
      | ~ member(X1,universal_class) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair3) ).

fof(f259,plain,
    ~ spl0_4,
    inference(avatar_split_clause,[],[f116,f248]) ).

fof(f116,axiom,
    y != z,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_left_cancellation_3) ).

fof(f251,plain,
    ( spl0_3
    | spl0_4
    | ~ spl0_1 ),
    inference(avatar_split_clause,[],[f242,f217,f248,f244]) ).

fof(f217,plain,
    ( spl0_1
  <=> member(z,unordered_pair(x,y)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_1])]) ).

fof(f242,plain,
    ( y = z
    | x = z
    | ~ spl0_1 ),
    inference(resolution,[],[f219,f8]) ).

fof(f219,plain,
    ( member(z,unordered_pair(x,y))
    | ~ spl0_1 ),
    inference(avatar_component_clause,[],[f217]) ).

fof(f236,plain,
    spl0_2,
    inference(avatar_split_clause,[],[f231,f221]) ).

fof(f221,plain,
    ( spl0_2
  <=> member(z,universal_class) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_2])]) ).

fof(f231,plain,
    member(z,universal_class),
    inference(resolution,[],[f125,f149]) ).

fof(f125,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(backward_demodulation,[],[f15,f124]) ).

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

fof(f224,plain,
    ( spl0_1
    | ~ spl0_2 ),
    inference(avatar_split_clause,[],[f213,f221,f217]) ).

fof(f213,plain,
    ( ~ member(z,universal_class)
    | member(z,unordered_pair(x,y)) ),
    inference(superposition,[],[f10,f114]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SET017-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.07/0.13  % 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 : n001.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 13:23:46 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.20/0.55  % (27834)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 0.20/0.55  % (27818)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.20/0.55  % (27826)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)
% 1.42/0.57  % (27811)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)
% 1.42/0.57  % (27818)Instruction limit reached!
% 1.42/0.57  % (27818)------------------------------
% 1.42/0.57  % (27818)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.42/0.57  % (27818)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.42/0.57  % (27818)Termination reason: Unknown
% 1.42/0.57  % (27818)Termination phase: Property scanning
% 1.42/0.57  
% 1.42/0.57  % (27818)Memory used [KB]: 1023
% 1.42/0.57  % (27818)Time elapsed: 0.004 s
% 1.42/0.57  % (27818)Instructions burned: 3 (million)
% 1.42/0.57  % (27818)------------------------------
% 1.42/0.57  % (27818)------------------------------
% 1.75/0.58  % (27824)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)
% 1.75/0.58  % (27810)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)
% 1.75/0.59  % (27827)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 1.75/0.59  % (27815)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)
% 1.75/0.59  % (27823)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 1.75/0.59  % (27813)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)
% 1.75/0.59  % (27825)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)
% 1.75/0.59  % (27816)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)
% 1.75/0.60  % (27833)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)
% 1.75/0.60  % (27817)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 1.75/0.60  % (27812)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)
% 1.75/0.60  % (27814)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.75/0.60  % (27819)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)
% 1.75/0.61  % (27817)Instruction limit reached!
% 1.75/0.61  % (27817)------------------------------
% 1.75/0.61  % (27817)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.75/0.61  % (27817)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.75/0.61  % (27817)Termination reason: Unknown
% 1.75/0.61  % (27817)Termination phase: Saturation
% 1.75/0.61  
% 1.75/0.61  % (27817)Memory used [KB]: 5628
% 1.75/0.61  % (27817)Time elapsed: 0.140 s
% 1.75/0.61  % (27817)Instructions burned: 7 (million)
% 1.75/0.61  % (27817)------------------------------
% 1.75/0.61  % (27817)------------------------------
% 1.75/0.61  % (27835)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 1.75/0.61  % (27829)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)
% 1.75/0.61  % (27838)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 1.75/0.62  % (27836)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)
% 1.75/0.62  % (27830)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)
% 1.75/0.62  % (27828)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.75/0.62  % (27832)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)
% 1.75/0.62  % (27839)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)
% 1.75/0.62  % (27822)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 1.75/0.62  % (27821)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)
% 1.75/0.63  % (27831)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 1.75/0.63  % (27837)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)
% 1.75/0.63  % (27820)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 1.75/0.66  % (27839)First to succeed.
% 1.75/0.66  % (27811)Instruction limit reached!
% 1.75/0.66  % (27811)------------------------------
% 1.75/0.66  % (27811)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.36/0.67  % (27811)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.36/0.67  % (27811)Termination reason: Unknown
% 2.36/0.67  % (27811)Termination phase: Saturation
% 2.36/0.67  
% 2.36/0.67  % (27811)Memory used [KB]: 6396
% 2.36/0.67  % (27811)Time elapsed: 0.227 s
% 2.36/0.67  % (27811)Instructions burned: 50 (million)
% 2.36/0.67  % (27811)------------------------------
% 2.36/0.67  % (27811)------------------------------
% 2.36/0.68  % (27833)Also succeeded, but the first one will report.
% 2.36/0.68  % (27839)Refutation found. Thanks to Tanya!
% 2.36/0.68  % SZS status Unsatisfiable for theBenchmark
% 2.36/0.68  % SZS output start Proof for theBenchmark
% See solution above
% 2.36/0.68  % (27839)------------------------------
% 2.36/0.68  % (27839)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.36/0.68  % (27839)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.36/0.68  % (27839)Termination reason: Refutation
% 2.36/0.68  
% 2.36/0.68  % (27839)Memory used [KB]: 5756
% 2.36/0.68  % (27839)Time elapsed: 0.243 s
% 2.36/0.68  % (27839)Instructions burned: 17 (million)
% 2.36/0.68  % (27839)------------------------------
% 2.36/0.68  % (27839)------------------------------
% 2.36/0.68  % (27809)Success in time 0.329 s
%------------------------------------------------------------------------------