TSTP Solution File: SET205-6 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET205-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 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 : n023.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 18:24:10 EDT 2022

% Result   : Unsatisfiable 1.38s 0.60s
% Output   : Refutation 1.38s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   38 (  11 unt;   0 def)
%            Number of atoms       :   67 (  17 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   54 (  25   ~;  29   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    8 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   3 con; 0-2 aty)
%            Number of variables   :   45 (  45   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f682,plain,
    $false,
    inference(subsumption_resolution,[],[f656,f655]) ).

fof(f655,plain,
    ~ member(not_subclass_element(complement(universal_class),cross_product(x,complement(universal_class))),universal_class),
    inference(resolution,[],[f643,f24]) ).

fof(f24,axiom,
    ! [X0,X4] :
      ( ~ member(X4,complement(X0))
      | ~ member(X4,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',complement1) ).

fof(f643,plain,
    member(not_subclass_element(complement(universal_class),cross_product(x,complement(universal_class))),complement(universal_class)),
    inference(duplicate_literal_removal,[],[f642]) ).

fof(f642,plain,
    ( member(not_subclass_element(complement(universal_class),cross_product(x,complement(universal_class))),complement(universal_class))
    | member(not_subclass_element(complement(universal_class),cross_product(x,complement(universal_class))),complement(universal_class)) ),
    inference(resolution,[],[f640,f357]) ).

fof(f357,plain,
    ( member(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)),cross_product(x,complement(universal_class)))
    | member(not_subclass_element(complement(universal_class),cross_product(x,complement(universal_class))),complement(universal_class)) ),
    inference(forward_demodulation,[],[f333,f315]) ).

fof(f315,plain,
    null_class = complement(universal_class),
    inference(duplicate_literal_removal,[],[f311]) ).

fof(f311,plain,
    ( null_class = complement(universal_class)
    | null_class = complement(universal_class) ),
    inference(resolution,[],[f183,f230]) ).

fof(f230,plain,
    ! [X0] :
      ( member(regular(X0),universal_class)
      | null_class = X0 ),
    inference(resolution,[],[f192,f66]) ).

fof(f66,axiom,
    ! [X0] :
      ( member(regular(X0),X0)
      | null_class = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',regularity1) ).

fof(f192,plain,
    ! [X0,X1] :
      ( ~ member(X0,X1)
      | member(X0,universal_class) ),
    inference(resolution,[],[f1,f4]) ).

fof(f4,axiom,
    ! [X0] : subclass(X0,universal_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',class_elements_are_sets) ).

fof(f1,axiom,
    ! [X2,X0,X1] :
      ( ~ subclass(X0,X1)
      | ~ member(X2,X0)
      | member(X2,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subclass_members) ).

fof(f183,plain,
    ! [X0] :
      ( ~ member(regular(complement(X0)),X0)
      | complement(X0) = null_class ),
    inference(resolution,[],[f66,f24]) ).

fof(f333,plain,
    ( member(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)),cross_product(x,complement(universal_class)))
    | member(not_subclass_element(null_class,cross_product(x,null_class)),null_class) ),
    inference(backward_demodulation,[],[f227,f315]) ).

fof(f227,plain,
    ( member(not_subclass_element(cross_product(x,null_class),null_class),cross_product(x,null_class))
    | member(not_subclass_element(null_class,cross_product(x,null_class)),null_class) ),
    inference(resolution,[],[f223,f2]) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | member(not_subclass_element(X0,X1),X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',not_subclass_members1) ).

fof(f223,plain,
    ( ~ subclass(null_class,cross_product(x,null_class))
    | member(not_subclass_element(cross_product(x,null_class),null_class),cross_product(x,null_class)) ),
    inference(resolution,[],[f206,f2]) ).

fof(f206,plain,
    ( ~ subclass(cross_product(x,null_class),null_class)
    | ~ subclass(null_class,cross_product(x,null_class)) ),
    inference(extensionality_resolution,[],[f7,f113]) ).

fof(f113,axiom,
    null_class != cross_product(x,null_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_cross_product_with_null_class1_1) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( ~ subclass(X1,X0)
      | ~ subclass(X0,X1)
      | X0 = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subclass_implies_equal) ).

fof(f640,plain,
    ! [X2,X3] :
      ( ~ member(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)),cross_product(X2,X3))
      | member(not_subclass_element(complement(universal_class),cross_product(x,complement(universal_class))),complement(universal_class)) ),
    inference(resolution,[],[f513,f357]) ).

fof(f513,plain,
    ! [X3,X4,X5] :
      ( ~ member(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)),cross_product(X3,complement(universal_class)))
      | ~ member(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)),cross_product(X4,X5)) ),
    inference(resolution,[],[f481,f473]) ).

fof(f473,plain,
    ! [X0,X1] :
      ( member(second(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),universal_class)
      | ~ member(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)),cross_product(X0,X1)) ),
    inference(resolution,[],[f453,f192]) ).

fof(f453,plain,
    ! [X0,X1] :
      ( member(second(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),X1)
      | ~ member(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)),cross_product(X0,X1)) ),
    inference(superposition,[],[f128,f452]) ).

fof(f452,plain,
    not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)) = unordered_pair(unordered_pair(first(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),first(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)))),unordered_pair(first(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),unordered_pair(second(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),second(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)))))),
    inference(subsumption_resolution,[],[f451,f450]) ).

fof(f450,plain,
    ( ~ member(not_subclass_element(complement(universal_class),cross_product(x,complement(universal_class))),universal_class)
    | not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)) = unordered_pair(unordered_pair(first(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),first(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)))),unordered_pair(first(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),unordered_pair(second(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),second(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)))))) ),
    inference(resolution,[],[f447,f24]) ).

fof(f447,plain,
    ( member(not_subclass_element(complement(universal_class),cross_product(x,complement(universal_class))),complement(universal_class))
    | not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)) = unordered_pair(unordered_pair(first(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),first(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)))),unordered_pair(first(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),unordered_pair(second(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),second(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)))))) ),
    inference(resolution,[],[f150,f357]) ).

fof(f150,plain,
    ! [X0,X1,X4] :
      ( ~ member(X4,cross_product(X0,X1))
      | unordered_pair(unordered_pair(first(X4),first(X4)),unordered_pair(first(X4),unordered_pair(second(X4),second(X4)))) = X4 ),
    inference(definition_unfolding,[],[f17,f118]) ).

fof(f118,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),
    inference(definition_unfolding,[],[f13,f12,f12]) ).

fof(f12,axiom,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',singleton_set) ).

fof(f13,axiom,
    ! [X0,X1] : unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))) = ordered_pair(X0,X1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ordered_pair) ).

fof(f17,axiom,
    ! [X0,X1,X4] :
      ( ordered_pair(first(X4),second(X4)) = X4
      | ~ member(X4,cross_product(X0,X1)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cartesian_product4) ).

fof(f451,plain,
    ( not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)) = unordered_pair(unordered_pair(first(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),first(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)))),unordered_pair(first(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),unordered_pair(second(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),second(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))))))
    | member(not_subclass_element(complement(universal_class),cross_product(x,complement(universal_class))),universal_class) ),
    inference(resolution,[],[f447,f192]) ).

fof(f128,plain,
    ! [X2,X3,X0,X1] :
      ( ~ member(unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,unordered_pair(X3,X3))),cross_product(X0,X1))
      | member(X3,X1) ),
    inference(definition_unfolding,[],[f15,f118]) ).

fof(f15,axiom,
    ! [X2,X3,X0,X1] :
      ( member(X3,X1)
      | ~ member(ordered_pair(X2,X3),cross_product(X0,X1)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cartesian_product2) ).

fof(f481,plain,
    ! [X19,X20] :
      ( ~ member(second(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class))),X20)
      | ~ member(not_subclass_element(cross_product(x,complement(universal_class)),complement(universal_class)),cross_product(X19,complement(X20))) ),
    inference(resolution,[],[f453,f24]) ).

fof(f656,plain,
    member(not_subclass_element(complement(universal_class),cross_product(x,complement(universal_class))),universal_class),
    inference(resolution,[],[f643,f192]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem    : SET205-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 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
% 0.12/0.33  % Computer : n023.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   : Tue Aug 30 13:48:35 EDT 2022
% 0.12/0.33  % CPUTime    : 
% 0.19/0.46  % (31185)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)
% 0.19/0.47  % (31193)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.19/0.50  % (31181)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)
% 0.19/0.51  % (31198)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)
% 1.31/0.51  % (31190)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)
% 1.31/0.51  % (31180)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.31/0.52  % (31182)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)
% 1.31/0.52  % (31188)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 1.31/0.52  % (31179)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)
% 1.31/0.52  % (31178)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)
% 1.31/0.52  % (31176)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)
% 1.31/0.52  % (31205)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)
% 1.31/0.52  % (31204)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 1.31/0.52  % (31183)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 1.31/0.52  % (31187)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)
% 1.31/0.52  % (31186)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 1.31/0.52  % (31183)Instruction limit reached!
% 1.31/0.52  % (31183)------------------------------
% 1.31/0.52  % (31183)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.31/0.52  % (31183)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.31/0.52  % (31183)Termination reason: Unknown
% 1.31/0.52  % (31183)Termination phase: Saturation
% 1.31/0.52  
% 1.31/0.52  % (31183)Memory used [KB]: 5500
% 1.31/0.52  % (31183)Time elapsed: 0.134 s
% 1.31/0.52  % (31183)Instructions burned: 7 (million)
% 1.31/0.52  % (31183)------------------------------
% 1.31/0.52  % (31183)------------------------------
% 1.38/0.53  % (31193)Instruction limit reached!
% 1.38/0.53  % (31193)------------------------------
% 1.38/0.53  % (31193)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.38/0.53  % (31196)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)
% 1.38/0.53  % (31184)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 1.38/0.53  % (31184)Instruction limit reached!
% 1.38/0.53  % (31184)------------------------------
% 1.38/0.53  % (31184)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.38/0.53  % (31184)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.38/0.53  % (31184)Termination reason: Unknown
% 1.38/0.53  % (31184)Termination phase: Function definition elimination
% 1.38/0.53  
% 1.38/0.53  % (31184)Memory used [KB]: 1023
% 1.38/0.53  % (31184)Time elapsed: 0.002 s
% 1.38/0.53  % (31184)Instructions burned: 2 (million)
% 1.38/0.53  % (31184)------------------------------
% 1.38/0.53  % (31184)------------------------------
% 1.38/0.53  % (31185)Instruction limit reached!
% 1.38/0.53  % (31185)------------------------------
% 1.38/0.53  % (31185)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.38/0.53  % (31185)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.38/0.53  % (31185)Termination reason: Unknown
% 1.38/0.53  % (31185)Termination phase: Saturation
% 1.38/0.53  
% 1.38/0.53  % (31185)Memory used [KB]: 2174
% 1.38/0.53  % (31185)Time elapsed: 0.126 s
% 1.38/0.53  % (31185)Instructions burned: 52 (million)
% 1.38/0.53  % (31185)------------------------------
% 1.38/0.53  % (31185)------------------------------
% 1.38/0.53  % (31193)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.38/0.53  % (31193)Termination reason: Unknown
% 1.38/0.53  % (31193)Termination phase: Finite model building preprocessing
% 1.38/0.53  
% 1.38/0.53  % (31193)Memory used [KB]: 1791
% 1.38/0.53  % (31193)Time elapsed: 0.035 s
% 1.38/0.53  % (31193)Instructions burned: 59 (million)
% 1.38/0.53  % (31193)------------------------------
% 1.38/0.53  % (31193)------------------------------
% 1.38/0.53  % (31191)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)
% 1.38/0.53  % (31199)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)
% 1.38/0.53  % (31202)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)
% 1.38/0.53  % (31203)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)
% 1.38/0.53  % (31197)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 1.38/0.54  % (31192)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)
% 1.38/0.54  % (31195)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)
% 1.38/0.54  % (31200)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 1.38/0.54  % (31194)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.38/0.54  % (31189)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 1.38/0.54  % (31201)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 1.38/0.54  % (31177)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)
% 1.38/0.57  % (31198)First to succeed.
% 1.38/0.58  % (31178)Instruction limit reached!
% 1.38/0.58  % (31178)------------------------------
% 1.38/0.58  % (31178)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.38/0.58  % (31178)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.38/0.58  % (31178)Termination reason: Unknown
% 1.38/0.58  % (31178)Termination phase: Saturation
% 1.38/0.58  
% 1.38/0.58  % (31178)Memory used [KB]: 1663
% 1.38/0.58  % (31178)Time elapsed: 0.192 s
% 1.38/0.58  % (31178)Instructions burned: 39 (million)
% 1.38/0.58  % (31178)------------------------------
% 1.38/0.58  % (31178)------------------------------
% 1.38/0.59  % (31180)Instruction limit reached!
% 1.38/0.59  % (31180)------------------------------
% 1.38/0.59  % (31180)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.38/0.59  % (31180)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.38/0.59  % (31180)Termination reason: Unknown
% 1.38/0.59  % (31180)Termination phase: Saturation
% 1.38/0.59  
% 1.38/0.59  % (31180)Memory used [KB]: 6140
% 1.38/0.59  % (31180)Time elapsed: 0.209 s
% 1.38/0.59  % (31180)Instructions burned: 51 (million)
% 1.38/0.59  % (31180)------------------------------
% 1.38/0.59  % (31180)------------------------------
% 1.38/0.60  % (31198)Refutation found. Thanks to Tanya!
% 1.38/0.60  % SZS status Unsatisfiable for theBenchmark
% 1.38/0.60  % SZS output start Proof for theBenchmark
% See solution above
% 1.38/0.60  % (31198)------------------------------
% 1.38/0.60  % (31198)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.38/0.60  % (31198)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.38/0.60  % (31198)Termination reason: Refutation
% 1.38/0.60  
% 1.38/0.60  % (31198)Memory used [KB]: 1535
% 1.38/0.60  % (31198)Time elapsed: 0.134 s
% 1.38/0.60  % (31198)Instructions burned: 38 (million)
% 1.38/0.60  % (31198)------------------------------
% 1.38/0.60  % (31198)------------------------------
% 1.38/0.60  % (31175)Success in time 0.252 s
%------------------------------------------------------------------------------