TSTP Solution File: GRA010+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : GRA010+1 : TPTP v8.1.0. Bugfixed v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n032.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  : 600s
% DateTime : Sat Jul 16 07:15:32 EDT 2022

% Result   : Theorem 3.54s 1.45s
% Output   : Proof 5.91s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : GRA010+1 : TPTP v8.1.0. Bugfixed v3.2.0.
% 0.11/0.12  % Command  : ePrincess-casc -timeout=%d %s
% 0.11/0.31  % Computer : n032.cluster.edu
% 0.11/0.31  % Model    : x86_64 x86_64
% 0.11/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.31  % Memory   : 8042.1875MB
% 0.11/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.31  % CPULimit : 300
% 0.11/0.31  % WCLimit  : 600
% 0.11/0.31  % DateTime : Mon May 30 23:01:13 EDT 2022
% 0.11/0.31  % CPUTime  : 
% 0.18/0.52          ____       _                          
% 0.18/0.52    ___  / __ \_____(_)___  ________  __________
% 0.18/0.52   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.18/0.52  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.18/0.52  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.18/0.52  
% 0.18/0.52  A Theorem Prover for First-Order Logic
% 0.18/0.52  (ePrincess v.1.0)
% 0.18/0.52  
% 0.18/0.52  (c) Philipp Rümmer, 2009-2015
% 0.18/0.52  (c) Peter Backeman, 2014-2015
% 0.18/0.52  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.18/0.52  Free software under GNU Lesser General Public License (LGPL).
% 0.18/0.52  Bug reports to peter@backeman.se
% 0.18/0.52  
% 0.18/0.52  For more information, visit http://user.uu.se/~petba168/breu/
% 0.18/0.52  
% 0.18/0.52  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.18/0.57  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.36/0.87  Prover 0: Preprocessing ...
% 2.67/1.19  Prover 0: Warning: ignoring some quantifiers
% 2.76/1.23  Prover 0: Constructing countermodel ...
% 3.54/1.45  Prover 0: proved (884ms)
% 3.54/1.45  
% 3.54/1.45  No countermodel exists, formula is valid
% 3.54/1.45  % SZS status Theorem for theBenchmark
% 3.54/1.45  
% 3.54/1.45  Generating proof ... Warning: ignoring some quantifiers
% 5.55/1.85  found it (size 14)
% 5.55/1.85  
% 5.55/1.85  % SZS output start Proof for theBenchmark
% 5.55/1.85  Assumed formulas after preprocessing and simplification: 
% 5.55/1.85  | (0)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] : ( ~ (v4 = v3) & number_of_in(triangles, v0) = v4 & number_of_in(sequential_pairs, v0) = v3 & path(v1, v2, v0) & complete &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (tail_of(v12) = v10) |  ~ (tail_of(v7) = v10) |  ~ (head_of(v8) = v11) |  ~ shortest_path(v5, v6, v9) |  ~ precedes(v7, v8, v9) |  ? [v13] : ( ~ (v13 = v11) & head_of(v12) = v13)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (tail_of(v7) = v10) |  ~ (head_of(v12) = v11) |  ~ (head_of(v8) = v11) |  ~ shortest_path(v5, v6, v9) |  ~ precedes(v7, v8, v9) |  ? [v13] : ( ~ (v13 = v10) & tail_of(v12) = v13)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (tail_of(v7) = v10) |  ~ (head_of(v8) = v11) |  ~ shortest_path(v5, v6, v9) |  ~ precedes(v8, v7, v9) |  ~ precedes(v7, v8, v9)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] : ( ~ (length_of(v9) = v10) |  ~ (length_of(v7) = v8) |  ~ shortest_path(v5, v6, v7) |  ~ path(v5, v6, v9) | less_or_equal(v8, v10)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] : ( ~ precedes(v8, v7, v5) |  ~ precedes(v6, v7, v5) |  ~ sequential(v6, v8) |  ~ sequential(v6, v7) |  ~ path(v9, v10, v5)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] :  ! [v10] : ( ~ precedes(v8, v7, v5) |  ~ sequential(v6, v8) |  ~ on_path(v7, v5) |  ~ on_path(v6, v5) |  ~ path(v9, v10, v5) | precedes(v6, v7, v5)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (tail_of(v8) = v9) |  ~ on_path(v8, v7) |  ~ path(v5, v6, v7) | in_path(v9, v7)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (tail_of(v8) = v9) |  ~ on_path(v8, v7) |  ~ path(v5, v6, v7) | edge(v8)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (tail_of(v8) = v9) |  ~ on_path(v8, v7) |  ~ path(v5, v6, v7) |  ? [v10] : (head_of(v8) = v10 & in_path(v10, v7))) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (head_of(v8) = v9) |  ~ on_path(v8, v7) |  ~ path(v5, v6, v7) | in_path(v9, v7)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (head_of(v8) = v9) |  ~ on_path(v8, v7) |  ~ path(v5, v6, v7) | edge(v8)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (head_of(v8) = v9) |  ~ on_path(v8, v7) |  ~ path(v5, v6, v7) |  ? [v10] : (tail_of(v8) = v10 & in_path(v10, v7))) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : ( ~ precedes(v6, v7, v5) |  ~ path(v8, v9, v5) | sequential(v6, v7) |  ? [v10] : (precedes(v10, v7, v5) & sequential(v6, v10))) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : ( ~ precedes(v6, v7, v5) |  ~ path(v8, v9, v5) | on_path(v7, v5)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : ( ~ precedes(v6, v7, v5) |  ~ path(v8, v9, v5) | on_path(v6, v5)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : ( ~ sequential(v6, v7) |  ~ on_path(v7, v5) |  ~ on_path(v6, v5) |  ~ path(v8, v9, v5) | precedes(v6, v7, v5)) &  ? [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (path_cons(v8, empty) = v9) |  ~ vertex(v7) |  ~ vertex(v6) |  ~ edge(v8) | path(v6, v7, v5) |  ? [v10] :  ? [v11] : (tail_of(v8) = v10 & head_of(v8) = v11 & ( ~ (v10 = v6) | ( ! [v12] : ( ~ (path_cons(v8, v12) = v5) |  ~ path(v11, v7, v12)) & ( ~ (v11 = v7) |  ~ (v9 = v5)))))) &  ? [v5] :  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : ( ~ (head_of(v8) = v9) |  ~ vertex(v7) |  ~ vertex(v6) |  ~ edge(v8) | path(v6, v7, v5) |  ? [v10] :  ? [v11] : (path_cons(v8, empty) = v11 & tail_of(v8) = v10 & ( ~ (v10 = v6) | ( ! [v12] : ( ~ (path_cons(v8, v12) = v5) |  ~ path(v9, v7, v12)) & ( ~ (v11 = v5) |  ~ (v9 = v7)))))) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : (v8 = v7 |  ~ (tail_of(v6) = v8) |  ~ (head_of(v5) = v7) |  ~ sequential(v5, v6)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : (v6 = v5 |  ~ (minus(v8, v7) = v6) |  ~ (minus(v8, v7) = v5)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : (v6 = v5 |  ~ (number_of_in(v8, v7) = v6) |  ~ (number_of_in(v8, v7) = v5)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : (v6 = v5 |  ~ (length_of(v7) = v8) |  ~ path(v5, v6, v7) | shortest_path(v5, v6, v7) |  ? [v9] :  ? [v10] : (length_of(v9) = v10 & path(v5, v6, v9) &  ~ less_or_equal(v8, v10))) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : (v6 = v5 |  ~ (path_cons(v8, v7) = v6) |  ~ (path_cons(v8, v7) = v5)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (number_of_in(triangles, v5) = v8) |  ~ path(v6, v7, v5) |  ? [v9] :  ? [v10] : ((v9 = v8 & number_of_in(sequential_pairs, v5) = v8) | (sequential(v9, v10) & on_path(v10, v5) & on_path(v9, v5) &  ! [v11] :  ~ triangle(v9, v10, v11)))) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (number_of_in(sequential_pairs, v7) = v8) |  ~ path(v5, v6, v7) |  ? [v9] : (minus(v9, n1) = v8 & length_of(v7) = v9)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (number_of_in(sequential_pairs, v5) = v8) |  ~ path(v6, v7, v5) |  ? [v9] :  ? [v10] : ((v9 = v8 & number_of_in(triangles, v5) = v8) | (sequential(v9, v10) & on_path(v10, v5) & on_path(v9, v5) &  ! [v11] :  ~ triangle(v9, v10, v11)))) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (number_of_in(edges, v7) = v8) |  ~ path(v5, v6, v7) | length_of(v7) = v8) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (length_of(v7) = v8) |  ~ shortest_path(v5, v6, v7) | path(v5, v6, v7)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (length_of(v7) = v8) |  ~ path(v5, v6, v7) | number_of_in(edges, v7) = v8) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (length_of(v7) = v8) |  ~ path(v5, v6, v7) |  ? [v9] : (minus(v8, n1) = v9 & number_of_in(sequential_pairs, v7) = v9)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (tail_of(v6) = v8) |  ~ (head_of(v5) = v7) |  ~ sequential(v5, v6) | edge(v6)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (tail_of(v6) = v8) |  ~ (head_of(v5) = v7) |  ~ sequential(v5, v6) | edge(v5)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ in_path(v8, v7) |  ~ path(v5, v6, v7) | vertex(v8)) &  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ in_path(v8, v7) |  ~ path(v5, v6, v7) |  ? [v9] :  ? [v10] :  ? [v11] : (tail_of(v9) = v11 & head_of(v9) = v10 & on_path(v9, v7) & (v11 = v8 | v10 = v8))) &  ? [v5] :  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (tail_of(v8) = v6) |  ~ vertex(v7) |  ~ vertex(v6) |  ~ edge(v8) | path(v6, v7, v5) |  ? [v9] :  ? [v10] : (path_cons(v8, empty) = v10 & head_of(v8) = v9 &  ! [v11] : ( ~ (path_cons(v8, v11) = v5) |  ~ path(v9, v7, v11)) & ( ~ (v10 = v5) |  ~ (v9 = v7)))) &  ! [v5] :  ! [v6] :  ! [v7] : (v6 = v5 |  ~ (length_of(v7) = v6) |  ~ (length_of(v7) = v5)) &  ! [v5] :  ! [v6] :  ! [v7] : (v6 = v5 |  ~ (tail_of(v7) = v6) |  ~ (tail_of(v7) = v5)) &  ! [v5] :  ! [v6] :  ! [v7] : (v6 = v5 |  ~ (tail_of(v6) = v7) |  ~ (head_of(v5) = v7) |  ~ edge(v6) |  ~ edge(v5) | sequential(v5, v6)) &  ! [v5] :  ! [v6] :  ! [v7] : (v6 = v5 |  ~ (head_of(v7) = v6) |  ~ (head_of(v7) = v5)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (number_of_in(v5, v6) = v7) |  ? [v8] : (number_of_in(v5, graph) = v8 & less_or_equal(v7, v8))) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (length_of(v6) = v7) |  ~ shortest_path(v5, v5, v6)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (tail_of(v5) = v7) |  ~ (head_of(v5) = v6) |  ~ sequential(v5, v5)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ triangle(v5, v6, v7) | sequential(v7, v5)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ triangle(v5, v6, v7) | sequential(v6, v7)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ triangle(v5, v6, v7) | sequential(v5, v6)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ triangle(v5, v6, v7) | edge(v7)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ triangle(v5, v6, v7) | edge(v6)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ triangle(v5, v6, v7) | edge(v5)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ sequential(v7, v5) |  ~ sequential(v6, v7) |  ~ sequential(v5, v6) |  ~ edge(v7) |  ~ edge(v6) |  ~ edge(v5) | triangle(v5, v6, v7)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ path(v5, v6, v7) | vertex(v6)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ path(v5, v6, v7) | vertex(v5)) &  ! [v5] :  ! [v6] :  ! [v7] : ( ~ path(v5, v6, v7) |  ? [v8] :  ? [v9] :  ? [v10] :  ? [v11] :  ? [v12] : (path_cons(v8, empty) = v10 & tail_of(v8) = v5 & head_of(v8) = v9 & edge(v8) & ( ~ (v10 = v7) |  ~ (v9 = v6) |  ! [v13] : ( ~ (path_cons(v8, v13) = v7) |  ~ path(v6, v6, v13))) & ((v12 = v7 & path_cons(v8, v11) = v7 & path(v9, v6, v11)) | (v10 = v7 & v9 = v6)))) &  ! [v5] :  ! [v6] : (v6 = v5 |  ~ vertex(v6) |  ~ vertex(v5) |  ? [v7] :  ? [v8] :  ? [v9] : (tail_of(v7) = v9 & head_of(v7) = v8 & edge(v7) & ((v9 = v6 & v8 = v5) | (v9 = v5 & v8 = v6)))) &  ! [v5] :  ! [v6] : ( ~ (tail_of(v5) = v6) |  ~ edge(v5) | vertex(v6)) &  ! [v5] :  ! [v6] : ( ~ (tail_of(v5) = v6) |  ~ edge(v5) |  ? [v7] : ( ~ (v7 = v6) & head_of(v5) = v7)) &  ! [v5] :  ! [v6] : ( ~ (tail_of(v5) = v6) |  ~ edge(v5) |  ? [v7] : (head_of(v5) = v7 & vertex(v7))) &  ! [v5] :  ! [v6] : ( ~ (head_of(v5) = v6) |  ~ edge(v5) | vertex(v6)) &  ! [v5] :  ! [v6] : ( ~ (head_of(v5) = v6) |  ~ edge(v5) |  ? [v7] : ( ~ (v7 = v6) & tail_of(v5) = v7)) &  ! [v5] :  ! [v6] : ( ~ (head_of(v5) = v6) |  ~ edge(v5) |  ? [v7] : (tail_of(v5) = v7 & vertex(v7))) &  ! [v5] :  ! [v6] : ( ~ sequential(v5, v6) |  ~ on_path(v6, v0) |  ~ on_path(v5, v0) |  ? [v7] : triangle(v5, v6, v7)))
% 5.91/1.91  | Instantiating (0) with all_0_0_0, all_0_1_1, all_0_2_2, all_0_3_3, all_0_4_4 yields:
% 5.91/1.91  | (1)  ~ (all_0_0_0 = all_0_1_1) & number_of_in(triangles, all_0_4_4) = all_0_0_0 & number_of_in(sequential_pairs, all_0_4_4) = all_0_1_1 & path(all_0_3_3, all_0_2_2, all_0_4_4) & complete &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (tail_of(v7) = v5) |  ~ (tail_of(v2) = v5) |  ~ (head_of(v3) = v6) |  ~ shortest_path(v0, v1, v4) |  ~ precedes(v2, v3, v4) |  ? [v8] : ( ~ (v8 = v6) & head_of(v7) = v8)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (tail_of(v2) = v5) |  ~ (head_of(v7) = v6) |  ~ (head_of(v3) = v6) |  ~ shortest_path(v0, v1, v4) |  ~ precedes(v2, v3, v4) |  ? [v8] : ( ~ (v8 = v5) & tail_of(v7) = v8)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] :  ! [v6] : ( ~ (tail_of(v2) = v5) |  ~ (head_of(v3) = v6) |  ~ shortest_path(v0, v1, v4) |  ~ precedes(v3, v2, v4) |  ~ precedes(v2, v3, v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : ( ~ (length_of(v4) = v5) |  ~ (length_of(v2) = v3) |  ~ shortest_path(v0, v1, v2) |  ~ path(v0, v1, v4) | less_or_equal(v3, v5)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : ( ~ precedes(v3, v2, v0) |  ~ precedes(v1, v2, v0) |  ~ sequential(v1, v3) |  ~ sequential(v1, v2) |  ~ path(v4, v5, v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : ( ~ precedes(v3, v2, v0) |  ~ sequential(v1, v3) |  ~ on_path(v2, v0) |  ~ on_path(v1, v0) |  ~ path(v4, v5, v0) | precedes(v1, v2, v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (tail_of(v3) = v4) |  ~ on_path(v3, v2) |  ~ path(v0, v1, v2) | in_path(v4, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (tail_of(v3) = v4) |  ~ on_path(v3, v2) |  ~ path(v0, v1, v2) | edge(v3)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (tail_of(v3) = v4) |  ~ on_path(v3, v2) |  ~ path(v0, v1, v2) |  ? [v5] : (head_of(v3) = v5 & in_path(v5, v2))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (head_of(v3) = v4) |  ~ on_path(v3, v2) |  ~ path(v0, v1, v2) | in_path(v4, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (head_of(v3) = v4) |  ~ on_path(v3, v2) |  ~ path(v0, v1, v2) | edge(v3)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (head_of(v3) = v4) |  ~ on_path(v3, v2) |  ~ path(v0, v1, v2) |  ? [v5] : (tail_of(v3) = v5 & in_path(v5, v2))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ precedes(v1, v2, v0) |  ~ path(v3, v4, v0) | sequential(v1, v2) |  ? [v5] : (precedes(v5, v2, v0) & sequential(v1, v5))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ precedes(v1, v2, v0) |  ~ path(v3, v4, v0) | on_path(v2, v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ precedes(v1, v2, v0) |  ~ path(v3, v4, v0) | on_path(v1, v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ sequential(v1, v2) |  ~ on_path(v2, v0) |  ~ on_path(v1, v0) |  ~ path(v3, v4, v0) | precedes(v1, v2, v0)) &  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (path_cons(v3, empty) = v4) |  ~ vertex(v2) |  ~ vertex(v1) |  ~ edge(v3) | path(v1, v2, v0) |  ? [v5] :  ? [v6] : (tail_of(v3) = v5 & head_of(v3) = v6 & ( ~ (v5 = v1) | ( ! [v7] : ( ~ (path_cons(v3, v7) = v0) |  ~ path(v6, v2, v7)) & ( ~ (v6 = v2) |  ~ (v4 = v0)))))) &  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (head_of(v3) = v4) |  ~ vertex(v2) |  ~ vertex(v1) |  ~ edge(v3) | path(v1, v2, v0) |  ? [v5] :  ? [v6] : (path_cons(v3, empty) = v6 & tail_of(v3) = v5 & ( ~ (v5 = v1) | ( ! [v7] : ( ~ (path_cons(v3, v7) = v0) |  ~ path(v4, v2, v7)) & ( ~ (v6 = v0) |  ~ (v4 = v2)))))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v2 |  ~ (tail_of(v1) = v3) |  ~ (head_of(v0) = v2) |  ~ sequential(v0, v1)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (minus(v3, v2) = v1) |  ~ (minus(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (number_of_in(v3, v2) = v1) |  ~ (number_of_in(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (length_of(v2) = v3) |  ~ path(v0, v1, v2) | shortest_path(v0, v1, v2) |  ? [v4] :  ? [v5] : (length_of(v4) = v5 & path(v0, v1, v4) &  ~ less_or_equal(v3, v5))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (path_cons(v3, v2) = v1) |  ~ (path_cons(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (number_of_in(triangles, v0) = v3) |  ~ path(v1, v2, v0) |  ? [v4] :  ? [v5] : ((v4 = v3 & number_of_in(sequential_pairs, v0) = v3) | (sequential(v4, v5) & on_path(v5, v0) & on_path(v4, v0) &  ! [v6] :  ~ triangle(v4, v5, v6)))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (number_of_in(sequential_pairs, v2) = v3) |  ~ path(v0, v1, v2) |  ? [v4] : (minus(v4, n1) = v3 & length_of(v2) = v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (number_of_in(sequential_pairs, v0) = v3) |  ~ path(v1, v2, v0) |  ? [v4] :  ? [v5] : ((v4 = v3 & number_of_in(triangles, v0) = v3) | (sequential(v4, v5) & on_path(v5, v0) & on_path(v4, v0) &  ! [v6] :  ~ triangle(v4, v5, v6)))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (number_of_in(edges, v2) = v3) |  ~ path(v0, v1, v2) | length_of(v2) = v3) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (length_of(v2) = v3) |  ~ shortest_path(v0, v1, v2) | path(v0, v1, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (length_of(v2) = v3) |  ~ path(v0, v1, v2) | number_of_in(edges, v2) = v3) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (length_of(v2) = v3) |  ~ path(v0, v1, v2) |  ? [v4] : (minus(v3, n1) = v4 & number_of_in(sequential_pairs, v2) = v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (tail_of(v1) = v3) |  ~ (head_of(v0) = v2) |  ~ sequential(v0, v1) | edge(v1)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (tail_of(v1) = v3) |  ~ (head_of(v0) = v2) |  ~ sequential(v0, v1) | edge(v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ in_path(v3, v2) |  ~ path(v0, v1, v2) | vertex(v3)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ in_path(v3, v2) |  ~ path(v0, v1, v2) |  ? [v4] :  ? [v5] :  ? [v6] : (tail_of(v4) = v6 & head_of(v4) = v5 & on_path(v4, v2) & (v6 = v3 | v5 = v3))) &  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (tail_of(v3) = v1) |  ~ vertex(v2) |  ~ vertex(v1) |  ~ edge(v3) | path(v1, v2, v0) |  ? [v4] :  ? [v5] : (path_cons(v3, empty) = v5 & head_of(v3) = v4 &  ! [v6] : ( ~ (path_cons(v3, v6) = v0) |  ~ path(v4, v2, v6)) & ( ~ (v5 = v0) |  ~ (v4 = v2)))) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (length_of(v2) = v1) |  ~ (length_of(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (tail_of(v2) = v1) |  ~ (tail_of(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (tail_of(v1) = v2) |  ~ (head_of(v0) = v2) |  ~ edge(v1) |  ~ edge(v0) | sequential(v0, v1)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (head_of(v2) = v1) |  ~ (head_of(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (number_of_in(v0, v1) = v2) |  ? [v3] : (number_of_in(v0, graph) = v3 & less_or_equal(v2, v3))) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (length_of(v1) = v2) |  ~ shortest_path(v0, v0, v1)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (tail_of(v0) = v2) |  ~ (head_of(v0) = v1) |  ~ sequential(v0, v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ triangle(v0, v1, v2) | sequential(v2, v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ triangle(v0, v1, v2) | sequential(v1, v2)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ triangle(v0, v1, v2) | sequential(v0, v1)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ triangle(v0, v1, v2) | edge(v2)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ triangle(v0, v1, v2) | edge(v1)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ triangle(v0, v1, v2) | edge(v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ sequential(v2, v0) |  ~ sequential(v1, v2) |  ~ sequential(v0, v1) |  ~ edge(v2) |  ~ edge(v1) |  ~ edge(v0) | triangle(v0, v1, v2)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ path(v0, v1, v2) | vertex(v1)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ path(v0, v1, v2) | vertex(v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ path(v0, v1, v2) |  ? [v3] :  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] : (path_cons(v3, empty) = v5 & tail_of(v3) = v0 & head_of(v3) = v4 & edge(v3) & ( ~ (v5 = v2) |  ~ (v4 = v1) |  ! [v8] : ( ~ (path_cons(v3, v8) = v2) |  ~ path(v1, v1, v8))) & ((v7 = v2 & path_cons(v3, v6) = v2 & path(v4, v1, v6)) | (v5 = v2 & v4 = v1)))) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ vertex(v1) |  ~ vertex(v0) |  ? [v2] :  ? [v3] :  ? [v4] : (tail_of(v2) = v4 & head_of(v2) = v3 & edge(v2) & ((v4 = v1 & v3 = v0) | (v4 = v0 & v3 = v1)))) &  ! [v0] :  ! [v1] : ( ~ (tail_of(v0) = v1) |  ~ edge(v0) | vertex(v1)) &  ! [v0] :  ! [v1] : ( ~ (tail_of(v0) = v1) |  ~ edge(v0) |  ? [v2] : ( ~ (v2 = v1) & head_of(v0) = v2)) &  ! [v0] :  ! [v1] : ( ~ (tail_of(v0) = v1) |  ~ edge(v0) |  ? [v2] : (head_of(v0) = v2 & vertex(v2))) &  ! [v0] :  ! [v1] : ( ~ (head_of(v0) = v1) |  ~ edge(v0) | vertex(v1)) &  ! [v0] :  ! [v1] : ( ~ (head_of(v0) = v1) |  ~ edge(v0) |  ? [v2] : ( ~ (v2 = v1) & tail_of(v0) = v2)) &  ! [v0] :  ! [v1] : ( ~ (head_of(v0) = v1) |  ~ edge(v0) |  ? [v2] : (tail_of(v0) = v2 & vertex(v2))) &  ! [v0] :  ! [v1] : ( ~ sequential(v0, v1) |  ~ on_path(v1, all_0_4_4) |  ~ on_path(v0, all_0_4_4) |  ? [v2] : triangle(v0, v1, v2))
% 5.91/1.93  |
% 5.91/1.93  | Applying alpha-rule on (1) yields:
% 5.91/1.93  | (2)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ in_path(v3, v2) |  ~ path(v0, v1, v2) | vertex(v3))
% 5.91/1.93  | (3)  ! [v0] :  ! [v1] : ( ~ sequential(v0, v1) |  ~ on_path(v1, all_0_4_4) |  ~ on_path(v0, all_0_4_4) |  ? [v2] : triangle(v0, v1, v2))
% 5.91/1.93  | (4)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v2 |  ~ (tail_of(v1) = v3) |  ~ (head_of(v0) = v2) |  ~ sequential(v0, v1))
% 5.91/1.93  | (5) complete
% 5.91/1.93  | (6)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (tail_of(v1) = v3) |  ~ (head_of(v0) = v2) |  ~ sequential(v0, v1) | edge(v1))
% 5.91/1.93  | (7)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ precedes(v1, v2, v0) |  ~ path(v3, v4, v0) | on_path(v2, v0))
% 5.91/1.93  | (8)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (length_of(v1) = v2) |  ~ shortest_path(v0, v0, v1))
% 5.91/1.93  | (9)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ triangle(v0, v1, v2) | edge(v1))
% 5.91/1.93  | (10)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (tail_of(v1) = v2) |  ~ (head_of(v0) = v2) |  ~ edge(v1) |  ~ edge(v0) | sequential(v0, v1))
% 5.91/1.94  | (11)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : ( ~ precedes(v3, v2, v0) |  ~ precedes(v1, v2, v0) |  ~ sequential(v1, v3) |  ~ sequential(v1, v2) |  ~ path(v4, v5, v0))
% 5.91/1.94  | (12)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ path(v0, v1, v2) |  ? [v3] :  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] : (path_cons(v3, empty) = v5 & tail_of(v3) = v0 & head_of(v3) = v4 & edge(v3) & ( ~ (v5 = v2) |  ~ (v4 = v1) |  ! [v8] : ( ~ (path_cons(v3, v8) = v2) |  ~ path(v1, v1, v8))) & ((v7 = v2 & path_cons(v3, v6) = v2 & path(v4, v1, v6)) | (v5 = v2 & v4 = v1))))
% 5.91/1.94  | (13)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (number_of_in(edges, v2) = v3) |  ~ path(v0, v1, v2) | length_of(v2) = v3)
% 5.91/1.94  | (14)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ precedes(v1, v2, v0) |  ~ path(v3, v4, v0) | on_path(v1, v0))
% 5.91/1.94  | (15)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ triangle(v0, v1, v2) | edge(v0))
% 5.91/1.94  | (16)  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (tail_of(v3) = v1) |  ~ vertex(v2) |  ~ vertex(v1) |  ~ edge(v3) | path(v1, v2, v0) |  ? [v4] :  ? [v5] : (path_cons(v3, empty) = v5 & head_of(v3) = v4 &  ! [v6] : ( ~ (path_cons(v3, v6) = v0) |  ~ path(v4, v2, v6)) & ( ~ (v5 = v0) |  ~ (v4 = v2))))
% 5.91/1.94  | (17)  ! [v0] :  ! [v1] : ( ~ (head_of(v0) = v1) |  ~ edge(v0) | vertex(v1))
% 5.91/1.94  | (18)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ precedes(v1, v2, v0) |  ~ path(v3, v4, v0) | sequential(v1, v2) |  ? [v5] : (precedes(v5, v2, v0) & sequential(v1, v5)))
% 5.91/1.94  | (19)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ sequential(v2, v0) |  ~ sequential(v1, v2) |  ~ sequential(v0, v1) |  ~ edge(v2) |  ~ edge(v1) |  ~ edge(v0) | triangle(v0, v1, v2))
% 5.91/1.94  | (20)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : ( ~ precedes(v3, v2, v0) |  ~ sequential(v1, v3) |  ~ on_path(v2, v0) |  ~ on_path(v1, v0) |  ~ path(v4, v5, v0) | precedes(v1, v2, v0))
% 5.91/1.94  | (21)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ triangle(v0, v1, v2) | sequential(v1, v2))
% 5.91/1.94  | (22)  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (head_of(v3) = v4) |  ~ vertex(v2) |  ~ vertex(v1) |  ~ edge(v3) | path(v1, v2, v0) |  ? [v5] :  ? [v6] : (path_cons(v3, empty) = v6 & tail_of(v3) = v5 & ( ~ (v5 = v1) | ( ! [v7] : ( ~ (path_cons(v3, v7) = v0) |  ~ path(v4, v2, v7)) & ( ~ (v6 = v0) |  ~ (v4 = v2))))))
% 5.91/1.94  | (23)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (length_of(v2) = v3) |  ~ path(v0, v1, v2) | number_of_in(edges, v2) = v3)
% 5.91/1.94  | (24)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (path_cons(v3, v2) = v1) |  ~ (path_cons(v3, v2) = v0))
% 5.91/1.94  | (25)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (tail_of(v2) = v1) |  ~ (tail_of(v2) = v0))
% 5.91/1.94  | (26)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (number_of_in(triangles, v0) = v3) |  ~ path(v1, v2, v0) |  ? [v4] :  ? [v5] : ((v4 = v3 & number_of_in(sequential_pairs, v0) = v3) | (sequential(v4, v5) & on_path(v5, v0) & on_path(v4, v0) &  ! [v6] :  ~ triangle(v4, v5, v6))))
% 5.91/1.94  | (27)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (number_of_in(sequential_pairs, v2) = v3) |  ~ path(v0, v1, v2) |  ? [v4] : (minus(v4, n1) = v3 & length_of(v2) = v4))
% 5.91/1.94  | (28)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ path(v0, v1, v2) | vertex(v1))
% 5.91/1.94  | (29)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (head_of(v3) = v4) |  ~ on_path(v3, v2) |  ~ path(v0, v1, v2) | edge(v3))
% 5.91/1.94  | (30)  ! [v0] :  ! [v1] : ( ~ (tail_of(v0) = v1) |  ~ edge(v0) |  ? [v2] : ( ~ (v2 = v1) & head_of(v0) = v2))
% 5.91/1.95  | (31)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (length_of(v2) = v3) |  ~ shortest_path(v0, v1, v2) | path(v0, v1, v2))
% 5.91/1.95  | (32)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (tail_of(v2) = v5) |  ~ (head_of(v7) = v6) |  ~ (head_of(v3) = v6) |  ~ shortest_path(v0, v1, v4) |  ~ precedes(v2, v3, v4) |  ? [v8] : ( ~ (v8 = v5) & tail_of(v7) = v8))
% 5.91/1.95  | (33)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ sequential(v1, v2) |  ~ on_path(v2, v0) |  ~ on_path(v1, v0) |  ~ path(v3, v4, v0) | precedes(v1, v2, v0))
% 5.91/1.95  | (34)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] :  ! [v6] : ( ~ (tail_of(v2) = v5) |  ~ (head_of(v3) = v6) |  ~ shortest_path(v0, v1, v4) |  ~ precedes(v3, v2, v4) |  ~ precedes(v2, v3, v4))
% 5.91/1.95  | (35)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ triangle(v0, v1, v2) | edge(v2))
% 5.91/1.95  | (36)  ~ (all_0_0_0 = all_0_1_1)
% 5.91/1.95  | (37)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ triangle(v0, v1, v2) | sequential(v0, v1))
% 5.91/1.95  | (38) path(all_0_3_3, all_0_2_2, all_0_4_4)
% 5.91/1.95  | (39)  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (path_cons(v3, empty) = v4) |  ~ vertex(v2) |  ~ vertex(v1) |  ~ edge(v3) | path(v1, v2, v0) |  ? [v5] :  ? [v6] : (tail_of(v3) = v5 & head_of(v3) = v6 & ( ~ (v5 = v1) | ( ! [v7] : ( ~ (path_cons(v3, v7) = v0) |  ~ path(v6, v2, v7)) & ( ~ (v6 = v2) |  ~ (v4 = v0))))))
% 5.91/1.95  | (40)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ vertex(v1) |  ~ vertex(v0) |  ? [v2] :  ? [v3] :  ? [v4] : (tail_of(v2) = v4 & head_of(v2) = v3 & edge(v2) & ((v4 = v1 & v3 = v0) | (v4 = v0 & v3 = v1))))
% 5.91/1.95  | (41)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (tail_of(v3) = v4) |  ~ on_path(v3, v2) |  ~ path(v0, v1, v2) |  ? [v5] : (head_of(v3) = v5 & in_path(v5, v2)))
% 5.91/1.95  | (42)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (number_of_in(sequential_pairs, v0) = v3) |  ~ path(v1, v2, v0) |  ? [v4] :  ? [v5] : ((v4 = v3 & number_of_in(triangles, v0) = v3) | (sequential(v4, v5) & on_path(v5, v0) & on_path(v4, v0) &  ! [v6] :  ~ triangle(v4, v5, v6))))
% 5.91/1.95  | (43)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (tail_of(v3) = v4) |  ~ on_path(v3, v2) |  ~ path(v0, v1, v2) | in_path(v4, v2))
% 5.91/1.95  | (44)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (minus(v3, v2) = v1) |  ~ (minus(v3, v2) = v0))
% 5.91/1.95  | (45)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (length_of(v2) = v3) |  ~ path(v0, v1, v2) |  ? [v4] : (minus(v3, n1) = v4 & number_of_in(sequential_pairs, v2) = v4))
% 5.91/1.95  | (46)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (head_of(v3) = v4) |  ~ on_path(v3, v2) |  ~ path(v0, v1, v2) |  ? [v5] : (tail_of(v3) = v5 & in_path(v5, v2)))
% 5.91/1.95  | (47)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : ( ~ (length_of(v4) = v5) |  ~ (length_of(v2) = v3) |  ~ shortest_path(v0, v1, v2) |  ~ path(v0, v1, v4) | less_or_equal(v3, v5))
% 5.91/1.95  | (48)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ triangle(v0, v1, v2) | sequential(v2, v0))
% 5.91/1.95  | (49)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (tail_of(v0) = v2) |  ~ (head_of(v0) = v1) |  ~ sequential(v0, v0))
% 5.91/1.95  | (50)  ! [v0] :  ! [v1] : ( ~ (tail_of(v0) = v1) |  ~ edge(v0) | vertex(v1))
% 5.91/1.95  | (51)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (length_of(v2) = v1) |  ~ (length_of(v2) = v0))
% 5.91/1.96  | (52)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (number_of_in(v3, v2) = v1) |  ~ (number_of_in(v3, v2) = v0))
% 5.91/1.96  | (53)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (tail_of(v1) = v3) |  ~ (head_of(v0) = v2) |  ~ sequential(v0, v1) | edge(v0))
% 5.91/1.96  | (54)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ in_path(v3, v2) |  ~ path(v0, v1, v2) |  ? [v4] :  ? [v5] :  ? [v6] : (tail_of(v4) = v6 & head_of(v4) = v5 & on_path(v4, v2) & (v6 = v3 | v5 = v3)))
% 5.91/1.96  | (55)  ! [v0] :  ! [v1] : ( ~ (head_of(v0) = v1) |  ~ edge(v0) |  ? [v2] : ( ~ (v2 = v1) & tail_of(v0) = v2))
% 5.91/1.96  | (56)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] :  ! [v6] :  ! [v7] : ( ~ (tail_of(v7) = v5) |  ~ (tail_of(v2) = v5) |  ~ (head_of(v3) = v6) |  ~ shortest_path(v0, v1, v4) |  ~ precedes(v2, v3, v4) |  ? [v8] : ( ~ (v8 = v6) & head_of(v7) = v8))
% 5.91/1.96  | (57)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (length_of(v2) = v3) |  ~ path(v0, v1, v2) | shortest_path(v0, v1, v2) |  ? [v4] :  ? [v5] : (length_of(v4) = v5 & path(v0, v1, v4) &  ~ less_or_equal(v3, v5)))
% 5.91/1.96  | (58)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (number_of_in(v0, v1) = v2) |  ? [v3] : (number_of_in(v0, graph) = v3 & less_or_equal(v2, v3)))
% 5.91/1.96  | (59) number_of_in(sequential_pairs, all_0_4_4) = all_0_1_1
% 5.91/1.96  | (60) number_of_in(triangles, all_0_4_4) = all_0_0_0
% 5.91/1.96  | (61)  ! [v0] :  ! [v1] : ( ~ (head_of(v0) = v1) |  ~ edge(v0) |  ? [v2] : (tail_of(v0) = v2 & vertex(v2)))
% 5.91/1.96  | (62)  ! [v0] :  ! [v1] : ( ~ (tail_of(v0) = v1) |  ~ edge(v0) |  ? [v2] : (head_of(v0) = v2 & vertex(v2)))
% 5.91/1.96  | (63)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ path(v0, v1, v2) | vertex(v0))
% 5.91/1.96  | (64)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (head_of(v2) = v1) |  ~ (head_of(v2) = v0))
% 5.91/1.96  | (65)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (head_of(v3) = v4) |  ~ on_path(v3, v2) |  ~ path(v0, v1, v2) | in_path(v4, v2))
% 5.91/1.96  | (66)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (tail_of(v3) = v4) |  ~ on_path(v3, v2) |  ~ path(v0, v1, v2) | edge(v3))
% 5.91/1.96  |
% 5.91/1.96  | Instantiating formula (26) with all_0_0_0, all_0_2_2, all_0_3_3, all_0_4_4 and discharging atoms number_of_in(triangles, all_0_4_4) = all_0_0_0, path(all_0_3_3, all_0_2_2, all_0_4_4), yields:
% 5.91/1.96  | (67)  ? [v0] :  ? [v1] : ((v0 = all_0_0_0 & number_of_in(sequential_pairs, all_0_4_4) = all_0_0_0) | (sequential(v0, v1) & on_path(v1, all_0_4_4) & on_path(v0, all_0_4_4) &  ! [v2] :  ~ triangle(v0, v1, v2)))
% 5.91/1.96  |
% 5.91/1.96  | Instantiating (67) with all_23_0_16, all_23_1_17 yields:
% 5.91/1.96  | (68) (all_23_1_17 = all_0_0_0 & number_of_in(sequential_pairs, all_0_4_4) = all_0_0_0) | (sequential(all_23_1_17, all_23_0_16) & on_path(all_23_0_16, all_0_4_4) & on_path(all_23_1_17, all_0_4_4) &  ! [v0] :  ~ triangle(all_23_1_17, all_23_0_16, v0))
% 5.91/1.96  |
% 5.91/1.96  +-Applying beta-rule and splitting (68), into two cases.
% 5.91/1.96  |-Branch one:
% 5.91/1.96  | (69) all_23_1_17 = all_0_0_0 & number_of_in(sequential_pairs, all_0_4_4) = all_0_0_0
% 5.91/1.96  |
% 5.91/1.96  	| Applying alpha-rule on (69) yields:
% 5.91/1.97  	| (70) all_23_1_17 = all_0_0_0
% 5.91/1.97  	| (71) number_of_in(sequential_pairs, all_0_4_4) = all_0_0_0
% 5.91/1.97  	|
% 5.91/1.97  	| Instantiating formula (52) with sequential_pairs, all_0_4_4, all_0_0_0, all_0_1_1 and discharging atoms number_of_in(sequential_pairs, all_0_4_4) = all_0_0_0, number_of_in(sequential_pairs, all_0_4_4) = all_0_1_1, yields:
% 5.91/1.97  	| (72) all_0_0_0 = all_0_1_1
% 5.91/1.97  	|
% 5.91/1.97  	| Equations (72) can reduce 36 to:
% 5.91/1.97  	| (73) $false
% 5.91/1.97  	|
% 5.91/1.97  	|-The branch is then unsatisfiable
% 5.91/1.97  |-Branch two:
% 5.91/1.97  | (74) sequential(all_23_1_17, all_23_0_16) & on_path(all_23_0_16, all_0_4_4) & on_path(all_23_1_17, all_0_4_4) &  ! [v0] :  ~ triangle(all_23_1_17, all_23_0_16, v0)
% 5.91/1.97  |
% 5.91/1.97  	| Applying alpha-rule on (74) yields:
% 5.91/1.97  	| (75) sequential(all_23_1_17, all_23_0_16)
% 5.91/1.97  	| (76) on_path(all_23_0_16, all_0_4_4)
% 5.91/1.97  	| (77) on_path(all_23_1_17, all_0_4_4)
% 5.91/1.97  	| (78)  ! [v0] :  ~ triangle(all_23_1_17, all_23_0_16, v0)
% 5.91/1.97  	|
% 5.91/1.97  	| Instantiating formula (3) with all_23_0_16, all_23_1_17 and discharging atoms sequential(all_23_1_17, all_23_0_16), on_path(all_23_0_16, all_0_4_4), on_path(all_23_1_17, all_0_4_4), yields:
% 5.91/1.97  	| (79)  ? [v0] : triangle(all_23_1_17, all_23_0_16, v0)
% 5.91/1.97  	|
% 5.91/1.97  	| Instantiating (79) with all_53_0_26 yields:
% 5.91/1.97  	| (80) triangle(all_23_1_17, all_23_0_16, all_53_0_26)
% 5.91/1.97  	|
% 5.91/1.97  	| Instantiating formula (78) with all_53_0_26 and discharging atoms triangle(all_23_1_17, all_23_0_16, all_53_0_26), yields:
% 5.91/1.97  	| (81) $false
% 5.91/1.97  	|
% 5.91/1.97  	|-The branch is then unsatisfiable
% 5.91/1.97  % SZS output end Proof for theBenchmark
% 5.91/1.97  
% 5.91/1.97  1440ms
%------------------------------------------------------------------------------