TSTP Solution File: LDA004-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : LDA004-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n007.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 : Tue Apr 30 13:53:16 EDT 2024

% Result   : Unsatisfiable 20.11s 3.22s
% Output   : Refutation 20.11s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   12
% Syntax   : Number of formulae    :   60 (  59 unt;   0 def)
%            Number of atoms       :   62 (  37 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   12 (  10   ~;   2   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   2 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   9 con; 0-2 aty)
%            Number of variables   :   32 (  32   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f275535,plain,
    $false,
    inference(subsumption_resolution,[],[f275465,f136187]) ).

fof(f136187,plain,
    left(f(n2,f(u2,n2)),b),
    inference(forward_demodulation,[],[f136186,f8]) ).

fof(f8,axiom,
    u2 = f(u,n2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_8) ).

fof(f136186,plain,
    left(f(n2,f(f(u,n2),n2)),b),
    inference(forward_demodulation,[],[f136185,f257]) ).

fof(f257,plain,
    ! [X0] : f(n2,f(X0,n2)) = f(f(n2,X0),u),
    inference(superposition,[],[f1,f6]) ).

fof(f6,axiom,
    u = f(n2,n2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_6) ).

fof(f1,axiom,
    ! [X2,X0,X1] : f(X0,f(X1,X2)) = f(f(X0,X1),f(X0,X2)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a1) ).

fof(f136185,plain,
    left(f(f(n2,f(u,n2)),u),b),
    inference(forward_demodulation,[],[f136184,f257]) ).

fof(f136184,plain,
    left(f(f(f(n2,u),u),u),b),
    inference(forward_demodulation,[],[f136183,f17922]) ).

fof(f17922,plain,
    b = f(u,u2),
    inference(superposition,[],[f8051,f17909]) ).

fof(f17909,plain,
    u2 = f(n1,n3),
    inference(forward_demodulation,[],[f17908,f8]) ).

fof(f17908,plain,
    f(u,n2) = f(n1,n3),
    inference(forward_demodulation,[],[f17863,f5]) ).

fof(f5,axiom,
    n3 = f(n2,n1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_5) ).

fof(f17863,plain,
    f(u,n2) = f(n1,f(n2,n1)),
    inference(superposition,[],[f259,f4414]) ).

fof(f4414,plain,
    u = f(n1,n2),
    inference(forward_demodulation,[],[f4403,f6]) ).

fof(f4403,plain,
    f(n2,n2) = f(n1,n2),
    inference(superposition,[],[f250,f4]) ).

fof(f4,axiom,
    n2 = f(n1,n1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_4) ).

fof(f250,plain,
    ! [X0] : f(n1,f(n1,X0)) = f(n2,f(n1,X0)),
    inference(superposition,[],[f1,f4]) ).

fof(f259,plain,
    ! [X0] : f(n1,f(X0,n1)) = f(f(n1,X0),n2),
    inference(superposition,[],[f1,f4]) ).

fof(f8051,plain,
    b = f(u,f(n1,n3)),
    inference(forward_demodulation,[],[f8021,f11]) ).

fof(f11,axiom,
    b = f(u1,u3),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_11) ).

fof(f8021,plain,
    f(u1,u3) = f(u,f(n1,n3)),
    inference(superposition,[],[f252,f9]) ).

fof(f9,axiom,
    u3 = f(u,n3),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_9) ).

fof(f252,plain,
    ! [X0] : f(u,f(n1,X0)) = f(u1,f(u,X0)),
    inference(superposition,[],[f1,f7]) ).

fof(f7,axiom,
    u1 = f(u,n1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_7) ).

fof(f136183,plain,
    left(f(f(f(n2,u),u),u),f(u,u2)),
    inference(forward_demodulation,[],[f135906,f16287]) ).

fof(f16287,plain,
    f(u,u2) = f(f(n2,u),u2),
    inference(forward_demodulation,[],[f16253,f8]) ).

fof(f16253,plain,
    f(f(n2,u),u2) = f(u,f(u,n2)),
    inference(superposition,[],[f258,f2240]) ).

fof(f2240,plain,
    f(n2,u) = f(u,u),
    inference(superposition,[],[f248,f6]) ).

fof(f248,plain,
    ! [X0] : f(n2,f(n2,X0)) = f(u,f(n2,X0)),
    inference(superposition,[],[f1,f6]) ).

fof(f258,plain,
    ! [X0] : f(u,f(X0,n2)) = f(f(u,X0),u2),
    inference(superposition,[],[f1,f8]) ).

fof(f135906,plain,
    left(f(f(f(n2,u),u),u),f(f(n2,u),u2)),
    inference(unit_resulting_resolution,[],[f2800,f80632,f3]) ).

fof(f3,axiom,
    ! [X2,X0,X1] :
      ( ~ left(X0,X1)
      | ~ left(X1,X2)
      | left(X0,X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a3) ).

fof(f80632,plain,
    ! [X0] : left(f(f(X0,u),X0),f(X0,u2)),
    inference(superposition,[],[f865,f8]) ).

fof(f865,plain,
    ! [X2,X0,X1] : left(f(f(X0,X1),X0),f(X0,f(X1,X2))),
    inference(superposition,[],[f265,f1]) ).

fof(f265,plain,
    ! [X2,X0,X1] : left(f(X0,X1),f(X0,f(X1,X2))),
    inference(superposition,[],[f2,f1]) ).

fof(f2,axiom,
    ! [X0,X1] : left(X0,f(X0,X1)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a2) ).

fof(f2800,plain,
    ! [X0] : left(f(X0,u),f(X0,f(n2,u))),
    inference(superposition,[],[f265,f2240]) ).

fof(f275465,plain,
    ~ left(f(n2,f(u2,n2)),b),
    inference(superposition,[],[f35352,f17934]) ).

fof(f17934,plain,
    f(u2,n2) = f(n1,f(n3,n1)),
    inference(superposition,[],[f259,f17909]) ).

fof(f35352,plain,
    ! [X0] : ~ left(f(n2,f(n1,f(n3,X0))),b),
    inference(forward_demodulation,[],[f35351,f251]) ).

fof(f251,plain,
    ! [X0] : f(n2,f(n1,X0)) = f(n3,f(n2,X0)),
    inference(superposition,[],[f1,f5]) ).

fof(f35351,plain,
    ! [X0] : ~ left(f(n3,f(n2,f(n3,X0))),b),
    inference(forward_demodulation,[],[f35350,f1]) ).

fof(f35350,plain,
    ! [X0] : ~ left(f(f(n3,n2),f(n3,f(n3,X0))),b),
    inference(forward_demodulation,[],[f35347,f6103]) ).

fof(f6103,plain,
    ! [X0] : f(u,f(n3,X0)) = f(n3,f(n3,X0)),
    inference(superposition,[],[f1,f6082]) ).

fof(f6082,plain,
    u = f(n3,n3),
    inference(forward_demodulation,[],[f6081,f6]) ).

fof(f6081,plain,
    f(n2,n2) = f(n3,n3),
    inference(forward_demodulation,[],[f6055,f4]) ).

fof(f6055,plain,
    f(n2,f(n1,n1)) = f(n3,n3),
    inference(superposition,[],[f251,f5]) ).

fof(f35347,plain,
    ! [X0] : ~ left(f(f(n3,n2),f(u,f(n3,X0))),b),
    inference(superposition,[],[f23406,f253]) ).

fof(f253,plain,
    ! [X0] : f(u,f(n3,X0)) = f(u3,f(u,X0)),
    inference(superposition,[],[f1,f9]) ).

fof(f23406,plain,
    ! [X0] : ~ left(f(f(n3,n2),f(u3,X0)),b),
    inference(unit_resulting_resolution,[],[f265,f23341,f3]) ).

fof(f23341,plain,
    ~ left(f(f(n3,n2),u3),b),
    inference(unit_resulting_resolution,[],[f12,f22599,f3]) ).

fof(f22599,plain,
    left(a,f(f(n3,n2),u3)),
    inference(superposition,[],[f21871,f10]) ).

fof(f10,axiom,
    a = f(f(n3,n2),u2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_10) ).

fof(f21871,plain,
    ! [X0] : left(f(X0,u2),f(X0,u3)),
    inference(superposition,[],[f265,f21798]) ).

fof(f21798,plain,
    u3 = f(u2,u1),
    inference(forward_demodulation,[],[f21797,f9]) ).

fof(f21797,plain,
    f(u,n3) = f(u2,u1),
    inference(forward_demodulation,[],[f21762,f5]) ).

fof(f21762,plain,
    f(u2,u1) = f(u,f(n2,n1)),
    inference(superposition,[],[f261,f8]) ).

fof(f261,plain,
    ! [X0] : f(u,f(X0,n1)) = f(f(u,X0),u1),
    inference(superposition,[],[f1,f7]) ).

fof(f12,axiom,
    ~ left(a,b),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_equation) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : LDA004-1 : TPTP v8.1.2. Released v1.0.0.
% 0.11/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.35  % Computer : n007.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit   : 300
% 0.14/0.35  % WCLimit    : 300
% 0.14/0.35  % DateTime   : Tue Apr 30 01:58:32 EDT 2024
% 0.14/0.35  % CPUTime    : 
% 0.14/0.35  % (12135)Running in auto input_syntax mode. Trying TPTP
% 0.14/0.37  % (12139)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.14/0.37  TRYING [1]
% 0.14/0.37  TRYING [2]
% 0.14/0.37  TRYING [3]
% 0.14/0.37  % (12138)WARNING: value z3 for option sas not known
% 0.14/0.37  % (12136)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.14/0.37  % (12137)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.14/0.37  % (12138)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.14/0.37  % (12141)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.14/0.37  % (12140)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.14/0.37  % (12142)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.14/0.37  TRYING [1]
% 0.14/0.37  TRYING [2]
% 0.14/0.37  TRYING [4]
% 0.14/0.37  TRYING [3]
% 0.14/0.38  TRYING [4]
% 0.14/0.38  TRYING [5]
% 0.14/0.39  TRYING [5]
% 0.21/0.42  TRYING [6]
% 0.21/0.44  TRYING [6]
% 0.21/0.50  TRYING [7]
% 0.21/0.51  TRYING [7]
% 2.04/0.63  TRYING [8]
% 2.04/0.63  TRYING [8]
% 3.75/0.87  TRYING [9]
% 4.03/0.91  TRYING [9]
% 6.26/1.29  TRYING [10]
% 7.26/1.41  TRYING [10]
% 7.94/1.48  TRYING [1]
% 7.94/1.48  TRYING [2]
% 7.94/1.48  TRYING [3]
% 7.94/1.48  TRYING [4]
% 7.94/1.49  TRYING [5]
% 8.15/1.52  TRYING [6]
% 8.36/1.58  TRYING [7]
% 9.49/1.73  TRYING [8]
% 11.06/1.97  TRYING [11]
% 11.57/2.02  TRYING [9]
% 12.29/2.10  TRYING [11]
% 15.28/2.59  TRYING [10]
% 18.73/3.06  TRYING [12]
% 18.73/3.08  TRYING [12]
% 20.11/3.21  % (12142)First to succeed.
% 20.11/3.22  % (12142)Refutation found. Thanks to Tanya!
% 20.11/3.22  % SZS status Unsatisfiable for theBenchmark
% 20.11/3.22  % SZS output start Proof for theBenchmark
% See solution above
% 20.11/3.22  % (12142)------------------------------
% 20.11/3.22  % (12142)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 20.11/3.22  % (12142)Termination reason: Refutation
% 20.11/3.22  
% 20.11/3.22  % (12142)Memory used [KB]: 34259
% 20.11/3.22  % (12142)Time elapsed: 2.842 s
% 20.11/3.22  % (12142)Instructions burned: 9563 (million)
% 20.11/3.22  % (12142)------------------------------
% 20.11/3.22  % (12142)------------------------------
% 20.11/3.22  % (12135)Success in time 2.806 s
%------------------------------------------------------------------------------