TSTP Solution File: GRP590-1 by Vampire---4.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire---4.9
% Problem  : GRP590-1 : TPTP v8.2.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire %s %d THM

% 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 : Mon Jun 24 07:18:40 EDT 2024

% Result   : Unsatisfiable 0.20s 0.43s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   20 (  20 unt;   0 def)
%            Number of atoms       :   20 (  19 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    4 (   4   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :   11 (   3 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   36 (  36   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f371,plain,
    $false,
    inference(subsumption_resolution,[],[f358,f286]) ).

fof(f286,plain,
    ! [X2] : inverse(inverse(X2)) = X2,
    inference(forward_demodulation,[],[f285,f249]) ).

fof(f249,plain,
    ! [X0,X1] : inverse(X0) = double_divide(X0,double_divide(X1,inverse(X1))),
    inference(superposition,[],[f66,f50]) ).

fof(f50,plain,
    ! [X0,X1] : double_divide(X0,inverse(X0)) = inverse(double_divide(X1,inverse(X1))),
    inference(superposition,[],[f25,f11]) ).

fof(f11,plain,
    ! [X2,X1] : double_divide(inverse(double_divide(X2,inverse(X2))),inverse(X1)) = X1,
    inference(superposition,[],[f5,f1]) ).

fof(f1,axiom,
    ! [X2,X0,X1] : double_divide(inverse(double_divide(double_divide(X0,X1),inverse(double_divide(X0,inverse(X2))))),X1) = X2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unknown) ).

fof(f5,plain,
    ! [X2,X3,X0,X1] : double_divide(inverse(double_divide(X2,inverse(double_divide(inverse(double_divide(double_divide(X0,X1),inverse(double_divide(X0,inverse(X2))))),inverse(X3))))),X1) = X3,
    inference(superposition,[],[f1,f1]) ).

fof(f25,plain,
    ! [X0,X1] : double_divide(inverse(X1),inverse(inverse(double_divide(X0,inverse(X0))))) = X1,
    inference(superposition,[],[f15,f11]) ).

fof(f15,plain,
    ! [X2,X1] : double_divide(inverse(double_divide(X1,inverse(X2))),inverse(X1)) = X2,
    inference(superposition,[],[f5,f11]) ).

fof(f66,plain,
    ! [X3,X0] : double_divide(X0,inverse(double_divide(inverse(X0),inverse(X3)))) = X3,
    inference(forward_demodulation,[],[f49,f48]) ).

fof(f48,plain,
    ! [X2,X0,X1] : double_divide(double_divide(X0,inverse(inverse(double_divide(X1,inverse(X1))))),inverse(double_divide(X0,inverse(X2)))) = X2,
    inference(superposition,[],[f25,f1]) ).

fof(f49,plain,
    ! [X2,X3,X0,X1] : double_divide(X0,inverse(double_divide(inverse(double_divide(double_divide(X1,inverse(inverse(double_divide(X2,inverse(X2))))),inverse(double_divide(X1,inverse(X0))))),inverse(X3)))) = X3,
    inference(superposition,[],[f25,f5]) ).

fof(f285,plain,
    ! [X2,X1] : inverse(double_divide(X2,double_divide(X1,inverse(X1)))) = X2,
    inference(forward_demodulation,[],[f277,f249]) ).

fof(f277,plain,
    ! [X2,X1] : double_divide(double_divide(X2,double_divide(X1,inverse(X1))),double_divide(X1,inverse(X1))) = X2,
    inference(superposition,[],[f242,f50]) ).

fof(f242,plain,
    ! [X0,X1] : double_divide(double_divide(X0,inverse(X1)),inverse(X1)) = X0,
    inference(superposition,[],[f66,f15]) ).

fof(f358,plain,
    a2 != inverse(inverse(a2)),
    inference(superposition,[],[f107,f249]) ).

fof(f107,plain,
    ! [X0] : a2 != inverse(double_divide(a2,double_divide(X0,inverse(X0)))),
    inference(superposition,[],[f4,f50]) ).

fof(f4,plain,
    a2 != inverse(double_divide(a2,inverse(double_divide(b2,inverse(b2))))),
    inference(definition_unfolding,[],[f3,f2,f2]) ).

fof(f2,axiom,
    ! [X0,X1] : multiply(X0,X1) = inverse(double_divide(X1,X0)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unknown) ).

fof(f3,axiom,
    a2 != multiply(multiply(inverse(b2),b2),a2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unknown) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : GRP590-1 : TPTP v8.2.0. Released v2.6.0.
% 0.07/0.12  % Command    : run_vampire %s %d THM
% 0.12/0.33  % Computer : n001.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit   : 300
% 0.12/0.33  % WCLimit    : 300
% 0.12/0.33  % DateTime   : Thu Jun 20 09:19:24 EDT 2024
% 0.12/0.33  % CPUTime    : 
% 0.12/0.35  This is a CNF_UNS_RFO_PEQ_UEQ problem
% 0.12/0.35  Running first-order theorem proving
% 0.12/0.35  Running /export/starexec/sandbox2/solver/bin/vampire --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.41  % (15422)Running in auto input_syntax mode. Trying TPTP
% 0.20/0.41  % (15423)ott+10_1:36_drc=encompass:sil=256000:tgt=full:fde=none:st=5.0:i=276418:ss=axioms:sgt=16:sp=occurrence:plsq=on_0 on theBenchmark for (2999ds/276418Mi)
% 0.20/0.41  % (15422)Running in auto input_syntax mode. Trying TPTP
% 0.20/0.41  % (15424)dis+10_1:28_drc=encompass:sil=256000:tgt=ground:i=146946:dpc=on:bs=on_0 on theBenchmark for (2999ds/146946Mi)
% 0.20/0.41  % (15422)Running in auto input_syntax mode. Trying TPTP
% 0.20/0.41  % (15428)lrs+10_1:1024_sil=64000:i=305:to=lpo:drc=encompass:bd=off_0 on theBenchmark for (2999ds/305Mi)
% 0.20/0.42  % (15422)Running in auto input_syntax mode. Trying TPTP
% 0.20/0.42  % (15429)lrs+10_1:32_slsqr=1,2:drc=encompass:sil=2000:slsqc=1:slsq=on:i=729:slsql=off:fd=preordered:lwlo=on_0 on theBenchmark for (2999ds/729Mi)
% 0.20/0.42  % (15422)Running in auto input_syntax mode. Trying TPTP
% 0.20/0.42  % (15425)dis+10_1:64_sil=256000:i=105:bd=off:fd=off_0 on theBenchmark for (2999ds/105Mi)
% 0.20/0.42  % (15422)Running in auto input_syntax mode. Trying TPTP
% 0.20/0.42  % (15427)lrs+10_1:1_sil=2000:sos=on:urr=on:st=5.0:i=149:ep=RSTC:ss=axioms:flr=on:fsr=off:br=off_0 on theBenchmark for (2999ds/149Mi)
% 0.20/0.43  % (15428)First to succeed.
% 0.20/0.43  % (15428)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-15422"
% 0.20/0.43  % (15425)Also succeeded, but the first one will report.
% 0.20/0.43  % (15422)Running in auto input_syntax mode. Trying TPTP
% 0.20/0.43  % (15428)Refutation found. Thanks to Tanya!
% 0.20/0.43  % SZS status Unsatisfiable for theBenchmark
% 0.20/0.43  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.43  % (15428)------------------------------
% 0.20/0.43  % (15428)Version: Vampire 4.9 (commit 18c118a85 on 2024-06-08 21:14:20 +0100)
% 0.20/0.43  % (15428)Linked with Z3 4.12.3.0 79bbbf76d0c123481c8ca05cd3a98939270074d3 z3-4.8.4-7980-g79bbbf76d
% 0.20/0.43  % (15428)Termination reason: Refutation
% 0.20/0.43  
% 0.20/0.43  % (15428)Memory used [KB]: 968
% 0.20/0.43  % (15428)Time elapsed: 0.015 s
% 0.20/0.43  % (15428)Instructions burned: 21 (million)
% 0.20/0.43  % (15428)------------------------------
% 0.20/0.43  % (15428)------------------------------
% 0.20/0.43  % (15422)Success in time 0.065 s
%------------------------------------------------------------------------------