TSTP Solution File: SET018-3 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET018-3 : 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_sat --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 18:23:09 EDT 2022

% Result   : Unsatisfiable 1.49s 0.57s
% Output   : Refutation 1.49s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   25 (  14 unt;   0 def)
%            Number of atoms       :   50 (  28 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :   51 (  26   ~;  25   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   26 (  26   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f295,plain,
    $false,
    inference(unit_resulting_resolution,[],[f147,f145,f149,f289,f143]) ).

fof(f143,axiom,
    ! [X3,X0,X1] :
      ( non_ordered_pair(X3,X0) != non_ordered_pair(X3,X1)
      | ~ little_set(X1)
      | ~ little_set(X0)
      | X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',left_cancellation) ).

fof(f289,plain,
    non_ordered_pair(a,d) = non_ordered_pair(a,b),
    inference(subsumption_resolution,[],[f288,f8]) ).

fof(f8,axiom,
    ! [X0,X1] : little_set(non_ordered_pair(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',non_ordered_pair4) ).

fof(f288,plain,
    ( non_ordered_pair(a,d) = non_ordered_pair(a,b)
    | ~ little_set(non_ordered_pair(a,b)) ),
    inference(equality_resolution,[],[f262]) ).

fof(f262,plain,
    ! [X1] :
      ( non_ordered_pair(non_ordered_pair(a,a),X1) != non_ordered_pair(non_ordered_pair(a,a),non_ordered_pair(a,b))
      | ~ little_set(X1)
      | non_ordered_pair(a,d) = X1 ),
    inference(forward_demodulation,[],[f254,f249]) ).

fof(f249,plain,
    a = c,
    inference(subsumption_resolution,[],[f238,f144]) ).

fof(f144,axiom,
    little_set(a),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',a_little_set) ).

fof(f238,plain,
    ( a = c
    | ~ little_set(a) ),
    inference(equality_resolution,[],[f235]) ).

fof(f235,plain,
    ! [X0,X1] :
      ( non_ordered_pair(non_ordered_pair(a,a),non_ordered_pair(a,b)) != non_ordered_pair(non_ordered_pair(X0,X0),non_ordered_pair(X0,X1))
      | c = X0
      | ~ little_set(X0) ),
    inference(subsumption_resolution,[],[f229,f146]) ).

fof(f146,axiom,
    little_set(c),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_little_set) ).

fof(f229,plain,
    ! [X0,X1] :
      ( ~ little_set(c)
      | ~ little_set(X0)
      | c = X0
      | non_ordered_pair(non_ordered_pair(a,a),non_ordered_pair(a,b)) != non_ordered_pair(non_ordered_pair(X0,X0),non_ordered_pair(X0,X1)) ),
    inference(superposition,[],[f154,f169]) ).

fof(f169,plain,
    non_ordered_pair(non_ordered_pair(c,c),non_ordered_pair(c,d)) = non_ordered_pair(non_ordered_pair(a,a),non_ordered_pair(a,b)),
    inference(definition_unfolding,[],[f148,f151,f151]) ).

fof(f151,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = non_ordered_pair(non_ordered_pair(X0,X0),non_ordered_pair(X0,X1)),
    inference(definition_unfolding,[],[f10,f9]) ).

fof(f9,axiom,
    ! [X0] : singleton_set(X0) = non_ordered_pair(X0,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_set) ).

fof(f10,axiom,
    ! [X0,X1] : ordered_pair(X0,X1) = non_ordered_pair(singleton_set(X0),non_ordered_pair(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordered_pair) ).

fof(f148,axiom,
    ordered_pair(a,b) = ordered_pair(c,d),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_ordered_pair) ).

fof(f154,plain,
    ! [X2,X0,X1,X4] :
      ( non_ordered_pair(non_ordered_pair(X2,X2),non_ordered_pair(X2,X4)) != non_ordered_pair(non_ordered_pair(X0,X0),non_ordered_pair(X0,X1))
      | ~ little_set(X0)
      | ~ little_set(X2)
      | X0 = X2 ),
    inference(definition_unfolding,[],[f142,f151,f151]) ).

fof(f142,axiom,
    ! [X2,X0,X1,X4] :
      ( ordered_pair(X0,X1) != ordered_pair(X2,X4)
      | X0 = X2
      | ~ little_set(X0)
      | ~ little_set(X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',first_components_are_equal) ).

fof(f254,plain,
    ! [X1] :
      ( ~ little_set(X1)
      | non_ordered_pair(non_ordered_pair(a,a),X1) != non_ordered_pair(non_ordered_pair(a,a),non_ordered_pair(a,b))
      | non_ordered_pair(c,d) = X1 ),
    inference(backward_demodulation,[],[f210,f249]) ).

fof(f210,plain,
    ! [X1] :
      ( non_ordered_pair(non_ordered_pair(c,c),X1) != non_ordered_pair(non_ordered_pair(a,a),non_ordered_pair(a,b))
      | non_ordered_pair(c,d) = X1
      | ~ little_set(X1) ),
    inference(subsumption_resolution,[],[f203,f8]) ).

fof(f203,plain,
    ! [X1] :
      ( ~ little_set(X1)
      | non_ordered_pair(non_ordered_pair(c,c),X1) != non_ordered_pair(non_ordered_pair(a,a),non_ordered_pair(a,b))
      | non_ordered_pair(c,d) = X1
      | ~ little_set(non_ordered_pair(c,d)) ),
    inference(superposition,[],[f143,f169]) ).

fof(f149,axiom,
    b != d,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_second_components_equal) ).

fof(f145,axiom,
    little_set(b),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',b_little_set) ).

fof(f147,axiom,
    little_set(d),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d_little_set) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem    : SET018-3 : TPTP v8.1.0. Released v1.0.0.
% 0.04/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.35  % 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   : Tue Aug 30 12:51:55 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.19/0.51  % (16969)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.52  % (16967)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)
% 0.19/0.52  % (16962)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)
% 0.19/0.52  % (16965)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)
% 0.19/0.53  % (16982)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  % (16964)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.19/0.53  % (16959)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)
% 0.19/0.53  % (16984)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.19/0.53  % (16975)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)
% 0.19/0.53  % (16979)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)
% 0.19/0.54  % (16957)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)
% 0.19/0.54  % (16983)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  % (16958)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  % (16985)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)
% 0.19/0.54  % (16980)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  % (16963)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.54  % (16968)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.19/0.55  % (16973)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.19/0.55  % (16977)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  % (16972)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)
% 0.19/0.55  % (16956)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  % (16964)Instruction limit reached!
% 0.19/0.55  % (16964)------------------------------
% 0.19/0.55  % (16964)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.55  % (16964)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.55  % (16964)Termination reason: Unknown
% 0.19/0.55  % (16964)Termination phase: shuffling
% 0.19/0.55  
% 0.19/0.55  % (16964)Memory used [KB]: 1023
% 0.19/0.55  % (16964)Time elapsed: 0.002 s
% 0.19/0.55  % (16964)Instructions burned: 2 (million)
% 0.19/0.55  % (16964)------------------------------
% 0.19/0.55  % (16964)------------------------------
% 0.19/0.55  % (16976)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)
% 1.49/0.55  % (16961)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)
% 1.49/0.55  % (16970)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)
% 1.49/0.55  % (16966)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 1.49/0.56  % (16974)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.49/0.57  % (16963)Instruction limit reached!
% 1.49/0.57  % (16963)------------------------------
% 1.49/0.57  % (16963)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.49/0.57  % (16963)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.49/0.57  % (16963)Termination reason: Unknown
% 1.49/0.57  % (16963)Termination phase: Saturation
% 1.49/0.57  
% 1.49/0.57  % (16963)Memory used [KB]: 5628
% 1.49/0.57  % (16963)Time elapsed: 0.133 s
% 1.49/0.57  % (16963)Instructions burned: 7 (million)
% 1.49/0.57  % (16963)------------------------------
% 1.49/0.57  % (16963)------------------------------
% 1.49/0.57  % (16957)First to succeed.
% 1.49/0.57  % (16957)Refutation found. Thanks to Tanya!
% 1.49/0.57  % SZS status Unsatisfiable for theBenchmark
% 1.49/0.57  % SZS output start Proof for theBenchmark
% See solution above
% 1.49/0.57  % (16957)------------------------------
% 1.49/0.57  % (16957)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.49/0.57  % (16957)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.49/0.57  % (16957)Termination reason: Refutation
% 1.49/0.57  
% 1.49/0.57  % (16957)Memory used [KB]: 5884
% 1.49/0.57  % (16957)Time elapsed: 0.141 s
% 1.49/0.57  % (16957)Instructions burned: 17 (million)
% 1.49/0.57  % (16957)------------------------------
% 1.49/0.57  % (16957)------------------------------
% 1.49/0.57  % (16948)Success in time 0.211 s
%------------------------------------------------------------------------------