TSTP Solution File: GRP606-1 by Vampire-SAT---4.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.9
% Problem  : GRP606-1 : TPTP v8.2.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire %s %d SAT

% Computer : n022.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 07:24:26 EDT 2024

% Result   : Unsatisfiable 1.39s 0.57s
% Output   : Refutation 1.39s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   34 (  34 unt;   0 def)
%            Number of atoms       :   34 (  33 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    8 (   8   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :    9 (   2 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   :   61 (  61   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f640,plain,
    $false,
    inference(trivial_inequality_removal,[],[f639]) ).

fof(f639,plain,
    a2 != a2,
    inference(superposition,[],[f623,f209]) ).

fof(f209,plain,
    ! [X0] : inverse(inverse(X0)) = X0,
    inference(superposition,[],[f125,f88]) ).

fof(f88,plain,
    ! [X0,X1] : double_divide(inverse(double_divide(inverse(X0),X0)),inverse(X1)) = X1,
    inference(superposition,[],[f74,f66]) ).

fof(f66,plain,
    ! [X2,X3] : double_divide(inverse(double_divide(inverse(X2),inverse(X3))),X2) = X3,
    inference(backward_demodulation,[],[f5,f52]) ).

fof(f52,plain,
    ! [X2,X3,X0,X1] : double_divide(inverse(double_divide(X0,inverse(double_divide(inverse(X1),double_divide(X0,X2))))),inverse(double_divide(inverse(X3),X1))) = double_divide(inverse(X2),inverse(X3)),
    inference(superposition,[],[f39,f5]) ).

fof(f39,plain,
    ! [X2,X1] : double_divide(inverse(X1),inverse(double_divide(inverse(X2),X1))) = X2,
    inference(superposition,[],[f5,f1]) ).

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

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

fof(f74,plain,
    ! [X0,X1] : double_divide(inverse(X1),double_divide(inverse(X0),X0)) = X1,
    inference(superposition,[],[f66,f1]) ).

fof(f125,plain,
    ! [X2,X1] : double_divide(inverse(double_divide(inverse(X1),inverse(X2))),X2) = X1,
    inference(backward_demodulation,[],[f1,f124]) ).

fof(f124,plain,
    ! [X2,X3,X1] : double_divide(X2,inverse(double_divide(inverse(X3),double_divide(X2,X1)))) = double_divide(inverse(X3),inverse(X1)),
    inference(forward_demodulation,[],[f121,f88]) ).

fof(f121,plain,
    ! [X2,X3,X0,X1] : double_divide(X2,inverse(double_divide(inverse(X3),double_divide(X2,X1)))) = double_divide(inverse(double_divide(inverse(double_divide(inverse(X0),X0)),inverse(X3))),inverse(X1)),
    inference(superposition,[],[f6,f88]) ).

fof(f6,plain,
    ! [X2,X3,X0,X1] : double_divide(X0,inverse(double_divide(inverse(X1),double_divide(X0,double_divide(X2,X3))))) = double_divide(inverse(double_divide(X2,inverse(X1))),X3),
    inference(superposition,[],[f1,f1]) ).

fof(f623,plain,
    a2 != inverse(inverse(a2)),
    inference(forward_demodulation,[],[f622,f254]) ).

fof(f254,plain,
    ! [X0,X1] : double_divide(X0,double_divide(X0,X1)) = X1,
    inference(superposition,[],[f216,f209]) ).

fof(f216,plain,
    ! [X2,X1] : double_divide(inverse(X1),double_divide(inverse(X1),X2)) = X2,
    inference(backward_demodulation,[],[f151,f206]) ).

fof(f206,plain,
    ! [X0,X1] : double_divide(inverse(X0),X1) = double_divide(inverse(X0),inverse(inverse(X1))),
    inference(superposition,[],[f125,f125]) ).

fof(f151,plain,
    ! [X2,X1] : double_divide(inverse(X1),double_divide(inverse(X1),inverse(inverse(X2)))) = X2,
    inference(backward_demodulation,[],[f70,f124]) ).

fof(f70,plain,
    ! [X2,X0,X1] : double_divide(inverse(X1),double_divide(X0,inverse(double_divide(inverse(X1),double_divide(X0,inverse(X2)))))) = X2,
    inference(superposition,[],[f66,f1]) ).

fof(f622,plain,
    a2 != inverse(inverse(double_divide(b2,double_divide(b2,a2)))),
    inference(forward_demodulation,[],[f384,f209]) ).

fof(f384,plain,
    a2 != inverse(inverse(double_divide(b2,inverse(inverse(double_divide(b2,a2)))))),
    inference(backward_demodulation,[],[f241,f324]) ).

fof(f324,plain,
    ! [X0,X1] : double_divide(inverse(X0),X1) = inverse(double_divide(X0,inverse(X1))),
    inference(forward_demodulation,[],[f315,f209]) ).

fof(f315,plain,
    ! [X0,X1] : double_divide(inverse(X0),X1) = inverse(double_divide(inverse(inverse(X0)),inverse(X1))),
    inference(superposition,[],[f221,f66]) ).

fof(f221,plain,
    ! [X0,X1] : double_divide(inverse(X1),double_divide(X0,inverse(X1))) = X0,
    inference(backward_demodulation,[],[f72,f209]) ).

fof(f72,plain,
    ! [X0,X1] : double_divide(inverse(X1),double_divide(inverse(inverse(X0)),inverse(X1))) = X0,
    inference(superposition,[],[f66,f66]) ).

fof(f241,plain,
    a2 != inverse(double_divide(inverse(b2),inverse(double_divide(b2,a2)))),
    inference(forward_demodulation,[],[f232,f134]) ).

fof(f134,plain,
    ! [X2,X3,X1] : double_divide(inverse(double_divide(X2,inverse(X1))),X3) = double_divide(inverse(X1),inverse(double_divide(X2,X3))),
    inference(backward_demodulation,[],[f6,f124]) ).

fof(f232,plain,
    a2 != inverse(double_divide(inverse(double_divide(b2,inverse(b2))),a2)),
    inference(backward_demodulation,[],[f4,f230]) ).

fof(f230,plain,
    ! [X0,X1] : double_divide(X0,inverse(X1)) = double_divide(inverse(X1),X0),
    inference(backward_demodulation,[],[f205,f209]) ).

fof(f205,plain,
    ! [X0,X1] : double_divide(inverse(X1),X0) = double_divide(inverse(inverse(X0)),inverse(X1)),
    inference(superposition,[],[f125,f66]) ).

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/sandbox/benchmark/theBenchmark.p',unknown) ).

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

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem    : GRP606-1 : TPTP v8.2.0. Released v2.6.0.
% 0.04/0.13  % Command    : run_vampire %s %d SAT
% 0.13/0.34  % Computer : n022.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   : Thu Jun 20 13:18:09 EDT 2024
% 0.13/0.34  % CPUTime    : 
% 0.13/0.36  This is a CNF_UNS_RFO_PEQ_UEQ problem
% 0.13/0.36  Running first-order model finding
% 0.13/0.36  Running /export/starexec/sandbox/solver/bin/vampire --mode casc_sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.23/0.42  % (12787)Running in auto input_syntax mode. Trying TPTP
% 0.23/0.42  % (12792)ott+21_1:1_sil=4000:i=104:fsd=on:fd=off:newcnf=on_0 on theBenchmark for (2999ds/104Mi)
% 0.23/0.42  % (12787)Running in auto input_syntax mode. Trying TPTP
% 0.23/0.42  % (12790)fmb+10_1:1_sil=256000:fmbes=contour:i=214858:bce=on_0 on theBenchmark for (2999ds/214858Mi)
% 0.23/0.42  % (12787)Running in auto input_syntax mode. Trying TPTP
% 0.23/0.42  % (12794)ott-4_1:1_sil=4000:sp=reverse_arity:lcm=predicate:newcnf=on:i=115:bce=on:fd=off:fs=off:fsr=off_0 on theBenchmark for (2999ds/115Mi)
% 0.23/0.42  TRYING [1]
% 0.23/0.42  TRYING [2]
% 0.23/0.42  % (12787)Running in auto input_syntax mode. Trying TPTP
% 0.23/0.42  % (12793)ott+11_8:59_sil=16000:sp=occurrence:lsd=20:abs=on:i=146:aac=none:nm=16:fdi=10:rawr=on:nicw=on_0 on theBenchmark for (2999ds/146Mi)
% 0.23/0.43  TRYING [3]
% 0.23/0.43  % (12787)Running in auto input_syntax mode. Trying TPTP
% 0.23/0.43  % (12789)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:i=99418_0 on theBenchmark for (2999ds/99418Mi)
% 0.23/0.43  % (12787)Running in auto input_syntax mode. Trying TPTP
% 0.23/0.43  % (12791)fmb+10_1:1_sil=256000:fmbss=23:fmbes=contour:newcnf=on:fmbsr=1.14:i=152523:nm=2:gsp=on:rp=on_0 on theBenchmark for (2999ds/152523Mi)
% 0.23/0.43  TRYING [4]
% 0.23/0.44  % (12787)Running in auto input_syntax mode. Trying TPTP
% 0.23/0.44  % (12788)fmb+10_1:1_sil=256000:i=98885:tgt=full:fmbsr=1.3:fmbss=10_0 on theBenchmark for (2999ds/98885Mi)
% 0.23/0.45  TRYING [10]
% 0.23/0.46  % (12792)Instruction limit reached!
% 0.23/0.46  % (12792)------------------------------
% 0.23/0.46  % (12792)Version: Vampire 4.9 (commit 18c118a85 on 2024-06-08 21:14:20 +0100)
% 0.23/0.46  % (12792)Linked with Z3 4.12.3.0 79bbbf76d0c123481c8ca05cd3a98939270074d3 z3-4.8.4-7980-g79bbbf76d
% 0.23/0.46  % (12792)Termination reason: Time limit
% 0.23/0.46  % (12792)Termination phase: Saturation
% 0.23/0.46  
% 0.23/0.46  % (12792)Memory used [KB]: 1493
% 0.23/0.46  % (12792)Time elapsed: 0.044 s
% 0.23/0.46  % (12792)Instructions burned: 104 (million)
% 0.23/0.47  % (12794)Instruction limit reached!
% 0.23/0.47  % (12794)------------------------------
% 0.23/0.47  % (12794)Version: Vampire 4.9 (commit 18c118a85 on 2024-06-08 21:14:20 +0100)
% 0.23/0.47  % (12794)Linked with Z3 4.12.3.0 79bbbf76d0c123481c8ca05cd3a98939270074d3 z3-4.8.4-7980-g79bbbf76d
% 0.23/0.47  % (12794)Termination reason: Time limit
% 0.23/0.47  % (12794)Termination phase: Saturation
% 0.23/0.47  
% 0.23/0.47  % (12794)Memory used [KB]: 1141
% 0.23/0.47  % (12794)Time elapsed: 0.054 s
% 0.23/0.47  % (12794)Instructions burned: 116 (million)
% 0.23/0.49  TRYING [5]
% 0.23/0.50  % (12787)Running in auto input_syntax mode. Trying TPTP
% 0.23/0.50  % (12795)dis+11_1:3_bsr=unit_only:sil=2000:rp=on:newcnf=on:i=404:kws=precedence:lsd=100_0 on theBenchmark for (2999ds/404Mi)
% 0.23/0.50  % (12793)Instruction limit reached!
% 0.23/0.50  % (12793)------------------------------
% 0.23/0.50  % (12793)Version: Vampire 4.9 (commit 18c118a85 on 2024-06-08 21:14:20 +0100)
% 0.23/0.50  % (12793)Linked with Z3 4.12.3.0 79bbbf76d0c123481c8ca05cd3a98939270074d3 z3-4.8.4-7980-g79bbbf76d
% 0.23/0.50  % (12793)Termination reason: Time limit
% 0.23/0.50  % (12793)Termination phase: Saturation
% 0.23/0.50  
% 0.23/0.50  % (12793)Memory used [KB]: 2528
% 0.23/0.50  % (12793)Time elapsed: 0.080 s
% 0.23/0.50  % (12793)Instructions burned: 146 (million)
% 0.23/0.53  % (12787)Running in auto input_syntax mode. Trying TPTP
% 0.23/0.53  % (12796)ott-21_1:1_sil=4000:sp=const_frequency:i=175:fsr=off:fs=off:av=off_0 on theBenchmark for (2998ds/175Mi)
% 1.26/0.54  % (12787)Running in auto input_syntax mode. Trying TPTP
% 1.26/0.54  % (12797)ott+33_1:1_to=lpo:sil=8000:sp=weighted_frequency:rp=on:i=270:nm=3:fsr=off:sac=on_0 on theBenchmark for (2998ds/270Mi)
% 1.26/0.54  TRYING [23]
% 1.39/0.56  % (12797)First to succeed.
% 1.39/0.56  % (12797)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-12787"
% 1.39/0.57  % (12787)Running in auto input_syntax mode. Trying TPTP
% 1.39/0.57  % (12797)Refutation found. Thanks to Tanya!
% 1.39/0.57  % SZS status Unsatisfiable for theBenchmark
% 1.39/0.57  % SZS output start Proof for theBenchmark
% See solution above
% 1.39/0.57  % (12797)------------------------------
% 1.39/0.57  % (12797)Version: Vampire 4.9 (commit 18c118a85 on 2024-06-08 21:14:20 +0100)
% 1.39/0.57  % (12797)Linked with Z3 4.12.3.0 79bbbf76d0c123481c8ca05cd3a98939270074d3 z3-4.8.4-7980-g79bbbf76d
% 1.39/0.57  % (12797)Termination reason: Refutation
% 1.39/0.57  
% 1.39/0.57  % (12797)Memory used [KB]: 1439
% 1.39/0.57  % (12797)Time elapsed: 0.029 s
% 1.39/0.57  % (12797)Instructions burned: 87 (million)
% 1.39/0.57  % (12797)------------------------------
% 1.39/0.57  % (12797)------------------------------
% 1.39/0.57  % (12787)Success in time 0.195 s
%------------------------------------------------------------------------------