TSTP Solution File: LCL096-1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : LCL096-1 : 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 : 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 17:46:51 EDT 2022

% Result   : Unsatisfiable 1.52s 0.54s
% Output   : Refutation 1.52s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   14 (   7 unt;   0 def)
%            Number of atoms       :   24 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   29 (  19   ~;  10   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   5 avg)
%            Maximal term depth    :    9 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   32 (  32   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f103,plain,
    $false,
    inference(resolution,[],[f100,f3]) ).

fof(f3,axiom,
    ! [X2,X3,X0,X1,X4] : is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(equivalent(X0,X1),equivalent(X0,X2)),X3),equivalent(equivalent(X1,X2),X3)),X4),X4)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lg_3) ).

fof(f100,plain,
    ! [X2,X3] : ~ is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(X2,X3),equivalent(X2,a)),equivalent(X3,equivalent(equivalent(b,b),a))),c),c)),
    inference(resolution,[],[f74,f3]) ).

fof(f74,plain,
    ! [X11,X12,X13] :
      ( ~ is_a_theorem(equivalent(equivalent(equivalent(X11,equivalent(equivalent(X13,a),equivalent(X13,equivalent(equivalent(b,b),a)))),X12),c))
      | ~ is_a_theorem(equivalent(equivalent(X11,c),X12)) ),
    inference(resolution,[],[f45,f4]) ).

fof(f4,axiom,
    ! [X2,X3,X0,X1,X4] : is_a_theorem(equivalent(equivalent(equivalent(equivalent(X0,X1),X2),X3),equivalent(equivalent(equivalent(X0,X4),X2),equivalent(equivalent(X1,X4),X3)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lg_4) ).

fof(f45,plain,
    ! [X10,X11,X9] :
      ( ~ is_a_theorem(equivalent(X10,equivalent(X9,equivalent(equivalent(equivalent(equivalent(X11,a),equivalent(X11,equivalent(equivalent(b,b),a))),c),c))))
      | ~ is_a_theorem(X9)
      | ~ is_a_theorem(X10) ),
    inference(resolution,[],[f38,f1]) ).

fof(f1,axiom,
    ! [X0,X1] :
      ( is_a_theorem(X1)
      | ~ is_a_theorem(X0)
      | ~ is_a_theorem(equivalent(X0,X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',condensed_detachment) ).

fof(f38,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(equivalent(equivalent(equivalent(X1,a),equivalent(X1,equivalent(equivalent(b,b),a))),c),c)))
      | ~ is_a_theorem(X0) ),
    inference(resolution,[],[f36,f1]) ).

fof(f36,plain,
    ! [X0] : ~ is_a_theorem(equivalent(equivalent(equivalent(equivalent(X0,a),equivalent(X0,equivalent(equivalent(b,b),a))),c),c)),
    inference(resolution,[],[f33,f2]) ).

fof(f2,axiom,
    ! [X2,X3,X0,X1] : is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(X0,X1),equivalent(X0,X2)),equivalent(X1,X2)),X3),X3)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lg_2) ).

fof(f33,plain,
    ! [X6,X7] :
      ( ~ is_a_theorem(equivalent(equivalent(equivalent(X6,equivalent(a,equivalent(equivalent(b,b),a))),X7),c))
      | ~ is_a_theorem(equivalent(equivalent(X6,c),X7)) ),
    inference(resolution,[],[f4,f7]) ).

fof(f7,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(equivalent(X1,equivalent(X0,equivalent(equivalent(equivalent(a,equivalent(equivalent(b,b),a)),c),c))))
      | ~ is_a_theorem(X1)
      | ~ is_a_theorem(X0) ),
    inference(resolution,[],[f6,f1]) ).

fof(f6,plain,
    ! [X0] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(equivalent(equivalent(a,equivalent(equivalent(b,b),a)),c),c)))
      | ~ is_a_theorem(X0) ),
    inference(resolution,[],[f1,f5]) ).

fof(f5,axiom,
    ~ is_a_theorem(equivalent(equivalent(equivalent(a,equivalent(equivalent(b,b),a)),c),c)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_lg_1) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem    : LCL096-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.11/0.33  % Computer : n009.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit   : 300
% 0.11/0.33  % WCLimit    : 300
% 0.11/0.33  % DateTime   : Tue Aug 30 01:32:35 EDT 2022
% 0.11/0.33  % CPUTime    : 
% 0.20/0.49  % (28819)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)
% 0.20/0.49  % (28816)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)
% 0.20/0.49  % (28820)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)
% 0.20/0.49  % (28829)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)
% 0.20/0.49  % (28823)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.20/0.50  % (28834)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)
% 0.20/0.50  % (28823)Instruction limit reached!
% 0.20/0.50  % (28823)------------------------------
% 0.20/0.50  % (28823)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.50  % (28823)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.50  % (28823)Termination reason: Unknown
% 0.20/0.50  % (28823)Termination phase: Saturation
% 0.20/0.50  
% 0.20/0.50  % (28823)Memory used [KB]: 5373
% 0.20/0.50  % (28823)Time elapsed: 0.114 s
% 0.20/0.50  % (28823)Instructions burned: 2 (million)
% 0.20/0.50  % (28823)------------------------------
% 0.20/0.50  % (28823)------------------------------
% 0.20/0.50  % (28830)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)
% 0.20/0.50  % (28844)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)
% 0.20/0.50  TRYING [1]
% 0.20/0.50  % (28842)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)
% 0.20/0.50  % (28827)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.20/0.50  TRYING [2]
% 0.20/0.51  % (28838)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)
% 0.20/0.51  % (28818)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.51  % (28843)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.20/0.51  % (28831)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)
% 0.20/0.51  TRYING [3]
% 0.20/0.51  % (28815)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)
% 0.20/0.51  % (28817)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)
% 0.20/0.51  % (28815)Refutation not found, incomplete strategy% (28815)------------------------------
% 0.20/0.51  % (28815)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.51  % (28815)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.51  % (28815)Termination reason: Refutation not found, incomplete strategy
% 0.20/0.51  
% 0.20/0.51  % (28815)Memory used [KB]: 5373
% 0.20/0.51  % (28815)Time elapsed: 0.127 s
% 0.20/0.51  % (28815)Instructions burned: 1 (million)
% 0.20/0.51  % (28815)------------------------------
% 0.20/0.51  % (28815)------------------------------
% 0.20/0.51  % (28824)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)
% 0.20/0.51  % (28841)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)
% 0.20/0.52  % (28826)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)
% 0.20/0.52  % (28824)First to succeed.
% 0.20/0.52  % (28828)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.20/0.52  % (28835)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)
% 0.20/0.52  % (28836)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 0.20/0.52  % (28814)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)
% 0.20/0.52  % (28840)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 0.20/0.52  % (28832)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.20/0.52  % (28837)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)
% 0.20/0.52  % (28833)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.20/0.52  % (28822)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.20/0.53  % (28822)Instruction limit reached!
% 0.20/0.53  % (28822)------------------------------
% 0.20/0.53  % (28822)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.53  % (28825)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.20/0.53  TRYING [1]
% 1.52/0.53  TRYING [1]
% 1.52/0.53  % (28822)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.52/0.53  % (28822)Termination reason: Unknown
% 1.52/0.53  % (28822)Termination phase: Saturation
% 1.52/0.53  
% 1.52/0.53  % (28822)Memory used [KB]: 5500
% 1.52/0.53  % (28822)Time elapsed: 0.110 s
% 1.52/0.53  % (28822)Instructions burned: 7 (million)
% 1.52/0.53  % (28822)------------------------------
% 1.52/0.53  % (28822)------------------------------
% 1.52/0.53  TRYING [2]
% 1.52/0.53  TRYING [2]
% 1.52/0.53  TRYING [3]
% 1.52/0.54  % (28839)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 1.52/0.54  TRYING [3]
% 1.52/0.54  % (28824)Refutation found. Thanks to Tanya!
% 1.52/0.54  % SZS status Unsatisfiable for theBenchmark
% 1.52/0.54  % SZS output start Proof for theBenchmark
% See solution above
% 1.52/0.54  % (28824)------------------------------
% 1.52/0.54  % (28824)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.52/0.54  % (28824)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.52/0.54  % (28824)Termination reason: Refutation
% 1.52/0.54  
% 1.52/0.54  % (28824)Memory used [KB]: 1151
% 1.52/0.54  % (28824)Time elapsed: 0.129 s
% 1.52/0.54  % (28824)Instructions burned: 7 (million)
% 1.52/0.54  % (28824)------------------------------
% 1.52/0.54  % (28824)------------------------------
% 1.52/0.54  % (28811)Success in time 0.199 s
%------------------------------------------------------------------------------