TSTP Solution File: NUN134-1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : NUN134-1 : TPTP v8.1.0. Released v8.1.0.
% 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 : n009.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 18:08:14 EDT 2022

% Result   : Unsatisfiable 1.75s 0.59s
% Output   : Refutation 1.75s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   28 (  28 unt;   0 def)
%            Number of atoms       :   28 (  27 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :   10 (  10   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   2 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   1 con; 0-2 aty)
%            Number of variables   :   29 (  29   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f180,plain,
    $false,
    inference(trivial_inequality_removal,[],[f179]) ).

fof(f179,plain,
    s(s('+'(a,'+'(a,'+'(sum(a),sum(a)))))) != s(s('+'(a,'+'(a,'+'(sum(a),sum(a)))))),
    inference(forward_demodulation,[],[f178,f64]) ).

fof(f64,plain,
    '+'(sum(a),sum(a)) = '+'(a,times(a,a)),
    inference(backward_demodulation,[],[f14,f61]) ).

fof(f61,plain,
    ! [X4,X5] : '+'(X5,times(X4,X5)) = times(X5,s(X4)),
    inference(superposition,[],[f11,f3]) ).

fof(f3,axiom,
    ! [X0,X1] : times(X0,X1) = times(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',times_comm) ).

fof(f11,axiom,
    ! [X0,X1] : times(s(X0),X1) = '+'(X1,times(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',times_s) ).

fof(f14,axiom,
    '+'(sum(a),sum(a)) = times(a,s(a)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',induction_hypothesis) ).

fof(f178,plain,
    s(s('+'(a,'+'(a,'+'(a,times(a,a)))))) != s(s('+'(a,'+'(a,'+'(sum(a),sum(a)))))),
    inference(forward_demodulation,[],[f177,f151]) ).

fof(f151,plain,
    ! [X2,X3] : '+'(X3,times(X3,X2)) = times(X3,s(X2)),
    inference(superposition,[],[f61,f3]) ).

fof(f177,plain,
    s(s('+'(a,'+'(a,times(a,s(a)))))) != s(s('+'(a,'+'(a,'+'(sum(a),sum(a)))))),
    inference(backward_demodulation,[],[f54,f151]) ).

fof(f54,plain,
    s(s('+'(a,times(a,s(s(a)))))) != s(s('+'(a,'+'(a,'+'(sum(a),sum(a)))))),
    inference(forward_demodulation,[],[f53,f33]) ).

fof(f33,plain,
    ! [X0,X1] : '+'(X1,s(X0)) = s('+'(X1,X0)),
    inference(superposition,[],[f20,f1]) ).

fof(f1,axiom,
    ! [X0,X1] : '+'(X0,X1) = '+'(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',plus_comm) ).

fof(f20,plain,
    ! [X2,X3] : '+'(X3,s(X2)) = s('+'(X2,X3)),
    inference(superposition,[],[f10,f1]) ).

fof(f10,axiom,
    ! [X0,X1] : '+'(s(X0),X1) = s('+'(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',plus_s) ).

fof(f53,plain,
    s(s('+'(a,times(a,s(s(a)))))) != s('+'(a,s('+'(a,'+'(sum(a),sum(a)))))),
    inference(backward_demodulation,[],[f27,f52]) ).

fof(f52,plain,
    ! [X0,X1] : '+'(X1,sum(s(X0))) = s('+'(X0,'+'(sum(X0),X1))),
    inference(forward_demodulation,[],[f28,f2]) ).

fof(f2,axiom,
    ! [X2,X0,X1] : '+'(X0,'+'(X1,X2)) = '+'('+'(X0,X1),X2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',plus_assoc) ).

fof(f28,plain,
    ! [X0,X1] : '+'(X1,sum(s(X0))) = s('+'('+'(X0,sum(X0)),X1)),
    inference(superposition,[],[f20,f18]) ).

fof(f18,plain,
    ! [X3] : sum(s(X3)) = s('+'(X3,sum(X3))),
    inference(backward_demodulation,[],[f13,f10]) ).

fof(f13,axiom,
    ! [X3] : sum(s(X3)) = '+'(s(X3),sum(X3)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sum_s) ).

fof(f27,plain,
    s(s('+'(a,times(a,s(s(a)))))) != s('+'(a,'+'(sum(a),sum(s(a))))),
    inference(backward_demodulation,[],[f19,f26]) ).

fof(f26,plain,
    ! [X0,X1] : '+'(sum(s(X0)),X1) = s('+'(X0,'+'(sum(X0),X1))),
    inference(forward_demodulation,[],[f25,f2]) ).

fof(f25,plain,
    ! [X0,X1] : '+'(sum(s(X0)),X1) = s('+'('+'(X0,sum(X0)),X1)),
    inference(superposition,[],[f10,f18]) ).

fof(f19,plain,
    '+'(sum(s(a)),sum(s(a))) != s(s('+'(a,times(a,s(s(a)))))),
    inference(forward_demodulation,[],[f17,f10]) ).

fof(f17,plain,
    '+'(sum(s(a)),sum(s(a))) != s('+'(s(a),times(a,s(s(a))))),
    inference(backward_demodulation,[],[f16,f10]) ).

fof(f16,plain,
    '+'(sum(s(a)),sum(s(a))) != '+'(s(s(a)),times(a,s(s(a)))),
    inference(backward_demodulation,[],[f15,f11]) ).

fof(f15,axiom,
    '+'(sum(s(a)),sum(s(a))) != times(s(a),s(s(a))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goal) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem    : NUN134-1 : TPTP v8.1.0. Released v8.1.0.
% 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
% 0.14/0.34  % Computer : n009.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit   : 300
% 0.14/0.34  % WCLimit    : 300
% 0.14/0.34  % DateTime   : Tue Aug 30 09:56:20 EDT 2022
% 0.14/0.34  % CPUTime    : 
% 0.20/0.53  % (15856)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)
% 0.20/0.54  TRYING [1]
% 0.20/0.55  % (15872)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)
% 0.20/0.55  % (15864)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)
% 0.20/0.55  TRYING [2]
% 0.20/0.55  TRYING [3]
% 0.20/0.56  % (15873)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)
% 0.20/0.56  % (15865)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)
% 0.20/0.56  % (15857)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.20/0.58  % (15857)Instruction limit reached!
% 0.20/0.58  % (15857)------------------------------
% 0.20/0.58  % (15857)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.58  % (15857)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.58  % (15857)Termination reason: Unknown
% 0.20/0.58  % (15857)Termination phase: Saturation
% 0.20/0.58  
% 0.20/0.58  % (15857)Memory used [KB]: 5500
% 0.20/0.58  % (15857)Time elapsed: 0.098 s
% 0.20/0.58  % (15857)Instructions burned: 8 (million)
% 0.20/0.58  % (15857)------------------------------
% 0.20/0.58  % (15857)------------------------------
% 0.20/0.58  % (15873)First to succeed.
% 0.20/0.58  % (15854)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.75/0.59  % (15873)Refutation found. Thanks to Tanya!
% 1.75/0.59  % SZS status Unsatisfiable for theBenchmark
% 1.75/0.59  % SZS output start Proof for theBenchmark
% See solution above
% 1.75/0.59  % (15873)------------------------------
% 1.75/0.59  % (15873)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.75/0.59  % (15873)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.75/0.59  % (15873)Termination reason: Refutation
% 1.75/0.59  
% 1.75/0.59  % (15873)Memory used [KB]: 5500
% 1.75/0.59  % (15873)Time elapsed: 0.088 s
% 1.75/0.59  % (15873)Instructions burned: 12 (million)
% 1.75/0.59  % (15873)------------------------------
% 1.75/0.59  % (15873)------------------------------
% 1.75/0.59  % (15849)Success in time 0.235 s
%------------------------------------------------------------------------------