TSTP Solution File: SET887+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET887+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n024.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 : Tue Jul 19 00:22:56 EDT 2022

% Result   : Theorem 72.58s 34.70s
% Output   : Proof 74.18s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET887+1 : TPTP v8.1.0. Released v3.2.0.
% 0.12/0.13  % Command  : ePrincess-casc -timeout=%d %s
% 0.12/0.34  % Computer : n024.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sun Jul 10 16:48:43 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.59/0.58          ____       _                          
% 0.59/0.58    ___  / __ \_____(_)___  ________  __________
% 0.59/0.58   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.59/0.58  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.59/0.58  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.59/0.58  
% 0.59/0.58  A Theorem Prover for First-Order Logic
% 0.59/0.59  (ePrincess v.1.0)
% 0.59/0.59  
% 0.59/0.59  (c) Philipp Rümmer, 2009-2015
% 0.59/0.59  (c) Peter Backeman, 2014-2015
% 0.59/0.59  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.59/0.59  Free software under GNU Lesser General Public License (LGPL).
% 0.59/0.59  Bug reports to peter@backeman.se
% 0.59/0.59  
% 0.59/0.59  For more information, visit http://user.uu.se/~petba168/breu/
% 0.59/0.59  
% 0.59/0.59  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.75/0.65  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.50/0.95  Prover 0: Preprocessing ...
% 1.85/1.13  Prover 0: Warning: ignoring some quantifiers
% 1.85/1.15  Prover 0: Constructing countermodel ...
% 21.46/5.94  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 21.46/5.97  Prover 1: Preprocessing ...
% 21.85/6.05  Prover 1: Warning: ignoring some quantifiers
% 21.85/6.06  Prover 1: Constructing countermodel ...
% 22.24/6.15  Prover 1: gave up
% 22.24/6.15  Prover 2: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 22.24/6.16  Prover 2: Preprocessing ...
% 22.78/6.21  Prover 2: Warning: ignoring some quantifiers
% 22.83/6.21  Prover 2: Constructing countermodel ...
% 22.83/6.27  Prover 2: gave up
% 22.83/6.27  Prover 3: Options:  -triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 22.83/6.28  Prover 3: Preprocessing ...
% 22.83/6.31  Prover 3: Warning: ignoring some quantifiers
% 22.83/6.31  Prover 3: Constructing countermodel ...
% 23.34/6.34  Prover 3: gave up
% 23.34/6.34  Prover 4: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=complete
% 23.34/6.36  Prover 4: Preprocessing ...
% 23.34/6.40  Prover 4: Warning: ignoring some quantifiers
% 23.34/6.40  Prover 4: Constructing countermodel ...
% 23.76/6.49  Prover 4: gave up
% 23.76/6.49  Prover 5: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allMinimal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 24.16/6.50  Prover 5: Preprocessing ...
% 24.16/6.53  Prover 5: Warning: ignoring some quantifiers
% 24.16/6.53  Prover 5: Constructing countermodel ...
% 24.16/6.57  Prover 5: gave up
% 24.16/6.57  Prover 6: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 24.16/6.58  Prover 6: Preprocessing ...
% 24.54/6.60  Prover 6: Warning: ignoring some quantifiers
% 24.54/6.60  Prover 6: Constructing countermodel ...
% 24.54/6.64  Prover 6: gave up
% 24.54/6.64  Prover 7: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximalOutermost -resolutionMethod=normal -ignoreQuantifiers -generateTriggers=all
% 24.54/6.65  Prover 7: Preprocessing ...
% 24.54/6.67  Prover 7: Proving ...
% 46.77/15.60  Prover 8: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=normal -ignoreQuantifiers -generateTriggers=all
% 46.77/15.62  Prover 8: Preprocessing ...
% 47.07/15.66  Prover 8: Proving ...
% 71.13/34.24  Prover 0: stopped
% 71.72/34.44  Prover 9: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMinimal -resolutionMethod=normal -ignoreQuantifiers -generateTriggers=completeFrugal
% 71.72/34.45  Prover 9: Preprocessing ...
% 71.99/34.49  Prover 9: Proving ...
% 72.58/34.70  Prover 9: proved (261ms)
% 72.58/34.70  Prover 8: stopped
% 72.58/34.70  Prover 7: stopped
% 72.58/34.70  
% 72.58/34.70  % SZS status Theorem for theBenchmark
% 72.58/34.70  
% 72.58/34.70  Generating proof ... found it (size 43)
% 74.18/35.08  
% 74.18/35.08  % SZS output start Proof for theBenchmark
% 74.18/35.08  Assumed formulas after preprocessing and simplification: 
% 74.18/35.08  | (0)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] :  ? [v8] : ( ~ (v4 = v1) &  ~ (v3 = v1) & unordered_pair(v3, v4) = v6 & unordered_pair(v1, v2) = v5 & subset(v5, v6) & empty(v8) & empty(v0) &  ~ empty(v7) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : (v12 = v9 | v11 = v9 |  ~ (unordered_pair(v11, v12) = v13) |  ~ (unordered_pair(v9, v10) = v13)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = v10 | v12 = v9 |  ~ (unordered_pair(v9, v10) = v11) |  ~ in(v12, v11)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = v9 | v9 = v0 |  ~ (unordered_pair(v10, v11) = v12) |  ~ subset(v9, v12) |  ? [v13] :  ? [v14] : (singleton(v11) = v14 & singleton(v10) = v13 & (v14 = v9 | v13 = v9))) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (singleton(v9) = v12) |  ~ (unordered_pair(v10, v11) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (unordered_pair(v12, v11) = v10) |  ~ (unordered_pair(v12, v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (singleton(v10) = v12) |  ~ (singleton(v9) = v11) |  ! [v13] : (v13 = v12 | v13 = v11 | v13 = v0 |  ? [v14] : (unordered_pair(v9, v10) = v14 & (v14 = v13 |  ~ subset(v13, v14))))) &  ! [v9] :  ! [v10] :  ! [v11] : (v10 = v9 |  ~ (singleton(v11) = v10) |  ~ (singleton(v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (unordered_pair(v10, v9) = v11) | unordered_pair(v9, v10) = v11) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (unordered_pair(v9, v10) = v11) | unordered_pair(v10, v9) = v11) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (unordered_pair(v9, v10) = v11) | in(v10, v11)) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (unordered_pair(v9, v10) = v11) | in(v9, v11)) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (unordered_pair(v9, v10) = v11) |  ! [v12] : (v12 = v11 |  ? [v13] : ((v13 = v10 | v13 = v9 | in(v13, v12)) & ( ~ in(v13, v12) | ( ~ (v13 = v10) &  ~ (v13 = v9)))))) &  ! [v9] :  ! [v10] : ( ~ in(v10, v9) |  ~ in(v9, v10)) &  ! [v9] : (v9 = v0 |  ? [v10] : in(v10, v9)) &  ! [v9] :  ~ in(v9, v0) &  ! [v9] : subset(v9, v9) &  ! [v9] :  ! [v10] :  ! [v11] :  ? [v12] :  ? [v13] :  ? [v14] : (singleton(v11) = v13 & singleton(v10) = v12 & unordered_pair(v10, v11) = v14 & (subset(v9, v14) | ( ~ (v14 = v9) &  ~ (v13 = v9) &  ~ (v12 = v9) &  ~ (v9 = v0)))))
% 74.18/35.10  | Instantiating (0) with all_0_0_0, all_0_1_1, all_0_2_2, all_0_3_3, all_0_4_4, all_0_5_5, all_0_6_6, all_0_7_7, all_0_8_8 yields:
% 74.18/35.10  | (1)  ~ (all_0_4_4 = all_0_7_7) &  ~ (all_0_5_5 = all_0_7_7) & unordered_pair(all_0_5_5, all_0_4_4) = all_0_2_2 & unordered_pair(all_0_7_7, all_0_6_6) = all_0_3_3 & subset(all_0_3_3, all_0_2_2) & empty(all_0_0_0) & empty(all_0_8_8) &  ~ empty(all_0_1_1) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v3 = v0 | v2 = v0 |  ~ (unordered_pair(v2, v3) = v4) |  ~ (unordered_pair(v0, v1) = v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v1 | v3 = v0 |  ~ (unordered_pair(v0, v1) = v2) |  ~ in(v3, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 | v0 = all_0_8_8 |  ~ (unordered_pair(v1, v2) = v3) |  ~ subset(v0, v3) |  ? [v4] :  ? [v5] : (singleton(v2) = v5 & singleton(v1) = v4 & (v5 = v0 | v4 = v0))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (singleton(v0) = v3) |  ~ (unordered_pair(v1, v2) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (singleton(v1) = v3) |  ~ (singleton(v0) = v2) |  ! [v4] : (v4 = v3 | v4 = v2 | v4 = all_0_8_8 |  ? [v5] : (unordered_pair(v0, v1) = v5 & (v5 = v4 |  ~ subset(v4, v5))))) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v1, v0) = v2) | unordered_pair(v0, v1) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | in(v1, v2)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | in(v0, v2)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) |  ! [v3] : (v3 = v2 |  ? [v4] : ((v4 = v1 | v4 = v0 | in(v4, v3)) & ( ~ in(v4, v3) | ( ~ (v4 = v1) &  ~ (v4 = v0)))))) &  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1)) &  ! [v0] : (v0 = all_0_8_8 |  ? [v1] : in(v1, v0)) &  ! [v0] :  ~ in(v0, all_0_8_8) &  ! [v0] : subset(v0, v0) &  ! [v0] :  ! [v1] :  ! [v2] :  ? [v3] :  ? [v4] :  ? [v5] : (singleton(v2) = v4 & singleton(v1) = v3 & unordered_pair(v1, v2) = v5 & (subset(v0, v5) | ( ~ (v5 = v0) &  ~ (v4 = v0) &  ~ (v3 = v0) &  ~ (v0 = all_0_8_8))))
% 74.18/35.11  |
% 74.18/35.11  | Applying alpha-rule on (1) yields:
% 74.18/35.11  | (2)  ! [v0] :  ~ in(v0, all_0_8_8)
% 74.18/35.11  | (3) empty(all_0_0_0)
% 74.18/35.11  | (4)  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 74.18/35.11  | (5)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | in(v0, v2))
% 74.18/35.11  | (6)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | in(v1, v2))
% 74.18/35.11  | (7)  ! [v0] : (v0 = all_0_8_8 |  ? [v1] : in(v1, v0))
% 74.18/35.11  | (8)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0))
% 74.18/35.11  | (9)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v1 | v3 = v0 |  ~ (unordered_pair(v0, v1) = v2) |  ~ in(v3, v2))
% 74.18/35.11  | (10)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (singleton(v0) = v3) |  ~ (unordered_pair(v1, v2) = v3))
% 74.18/35.11  | (11)  ! [v0] : subset(v0, v0)
% 74.18/35.11  | (12)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v3 = v0 | v2 = v0 |  ~ (unordered_pair(v2, v3) = v4) |  ~ (unordered_pair(v0, v1) = v4))
% 74.18/35.11  | (13)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0))
% 74.18/35.11  | (14)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2)
% 74.18/35.11  | (15)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v1, v0) = v2) | unordered_pair(v0, v1) = v2)
% 74.18/35.11  | (16)  ~ empty(all_0_1_1)
% 74.18/35.11  | (17) unordered_pair(all_0_7_7, all_0_6_6) = all_0_3_3
% 74.18/35.11  | (18)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) |  ! [v3] : (v3 = v2 |  ? [v4] : ((v4 = v1 | v4 = v0 | in(v4, v3)) & ( ~ in(v4, v3) | ( ~ (v4 = v1) &  ~ (v4 = v0))))))
% 74.18/35.11  | (19) unordered_pair(all_0_5_5, all_0_4_4) = all_0_2_2
% 74.18/35.11  | (20)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 | v0 = all_0_8_8 |  ~ (unordered_pair(v1, v2) = v3) |  ~ subset(v0, v3) |  ? [v4] :  ? [v5] : (singleton(v2) = v5 & singleton(v1) = v4 & (v5 = v0 | v4 = v0)))
% 74.18/35.11  | (21)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (singleton(v1) = v3) |  ~ (singleton(v0) = v2) |  ! [v4] : (v4 = v3 | v4 = v2 | v4 = all_0_8_8 |  ? [v5] : (unordered_pair(v0, v1) = v5 & (v5 = v4 |  ~ subset(v4, v5)))))
% 74.18/35.11  | (22)  ~ (all_0_4_4 = all_0_7_7)
% 74.18/35.11  | (23) subset(all_0_3_3, all_0_2_2)
% 74.18/35.11  | (24) empty(all_0_8_8)
% 74.18/35.11  | (25)  ! [v0] :  ! [v1] :  ! [v2] :  ? [v3] :  ? [v4] :  ? [v5] : (singleton(v2) = v4 & singleton(v1) = v3 & unordered_pair(v1, v2) = v5 & (subset(v0, v5) | ( ~ (v5 = v0) &  ~ (v4 = v0) &  ~ (v3 = v0) &  ~ (v0 = all_0_8_8))))
% 74.18/35.11  | (26)  ~ (all_0_5_5 = all_0_7_7)
% 74.18/35.11  |
% 74.18/35.11  | Instantiating formula (6) with all_0_2_2, all_0_4_4, all_0_5_5 and discharging atoms unordered_pair(all_0_5_5, all_0_4_4) = all_0_2_2, yields:
% 74.18/35.11  | (27) in(all_0_4_4, all_0_2_2)
% 74.18/35.11  |
% 74.18/35.11  | Instantiating formula (5) with all_0_2_2, all_0_4_4, all_0_5_5 and discharging atoms unordered_pair(all_0_5_5, all_0_4_4) = all_0_2_2, yields:
% 74.18/35.11  | (28) in(all_0_5_5, all_0_2_2)
% 74.18/35.11  |
% 74.18/35.11  | Instantiating formula (5) with all_0_3_3, all_0_6_6, all_0_7_7 and discharging atoms unordered_pair(all_0_7_7, all_0_6_6) = all_0_3_3, yields:
% 74.18/35.11  | (29) in(all_0_7_7, all_0_3_3)
% 74.18/35.11  |
% 74.18/35.11  | Instantiating formula (20) with all_0_2_2, all_0_4_4, all_0_5_5, all_0_3_3 and discharging atoms unordered_pair(all_0_5_5, all_0_4_4) = all_0_2_2, subset(all_0_3_3, all_0_2_2), yields:
% 74.18/35.11  | (30) all_0_2_2 = all_0_3_3 | all_0_3_3 = all_0_8_8 |  ? [v0] :  ? [v1] : (singleton(all_0_4_4) = v1 & singleton(all_0_5_5) = v0 & (v1 = all_0_3_3 | v0 = all_0_3_3))
% 74.18/35.11  |
% 74.18/35.11  +-Applying beta-rule and splitting (30), into two cases.
% 74.18/35.11  |-Branch one:
% 74.18/35.11  | (31) all_0_2_2 = all_0_3_3
% 74.18/35.11  |
% 74.18/35.11  	| From (31) and (19) follows:
% 74.18/35.12  	| (32) unordered_pair(all_0_5_5, all_0_4_4) = all_0_3_3
% 74.18/35.12  	|
% 74.18/35.12  	| From (31) and (27) follows:
% 74.18/35.12  	| (33) in(all_0_4_4, all_0_3_3)
% 74.18/35.12  	|
% 74.18/35.12  	| From (31) and (28) follows:
% 74.18/35.12  	| (34) in(all_0_5_5, all_0_3_3)
% 74.18/35.12  	|
% 74.18/35.12  	| Instantiating formula (9) with all_0_7_7, all_0_3_3, all_0_4_4, all_0_5_5 and discharging atoms unordered_pair(all_0_5_5, all_0_4_4) = all_0_3_3, in(all_0_7_7, all_0_3_3), yields:
% 74.18/35.12  	| (35) all_0_4_4 = all_0_7_7 | all_0_5_5 = all_0_7_7
% 74.18/35.12  	|
% 74.18/35.12  	| Instantiating formula (9) with all_0_4_4, all_0_3_3, all_0_6_6, all_0_7_7 and discharging atoms unordered_pair(all_0_7_7, all_0_6_6) = all_0_3_3, in(all_0_4_4, all_0_3_3), yields:
% 74.18/35.12  	| (36) all_0_4_4 = all_0_6_6 | all_0_4_4 = all_0_7_7
% 74.18/35.12  	|
% 74.18/35.12  	| Instantiating formula (9) with all_0_5_5, all_0_3_3, all_0_6_6, all_0_7_7 and discharging atoms unordered_pair(all_0_7_7, all_0_6_6) = all_0_3_3, in(all_0_5_5, all_0_3_3), yields:
% 74.18/35.12  	| (37) all_0_5_5 = all_0_6_6 | all_0_5_5 = all_0_7_7
% 74.18/35.12  	|
% 74.18/35.12  	+-Applying beta-rule and splitting (37), into two cases.
% 74.18/35.12  	|-Branch one:
% 74.18/35.12  	| (38) all_0_5_5 = all_0_6_6
% 74.18/35.12  	|
% 74.18/35.12  		+-Applying beta-rule and splitting (36), into two cases.
% 74.18/35.12  		|-Branch one:
% 74.18/35.12  		| (39) all_0_4_4 = all_0_6_6
% 74.18/35.12  		|
% 74.18/35.12  			| Equations (39) can reduce 22 to:
% 74.18/35.12  			| (40)  ~ (all_0_6_6 = all_0_7_7)
% 74.18/35.12  			|
% 74.18/35.12  			+-Applying beta-rule and splitting (35), into two cases.
% 74.18/35.12  			|-Branch one:
% 74.18/35.12  			| (41) all_0_4_4 = all_0_7_7
% 74.18/35.12  			|
% 74.18/35.12  				| Combining equations (39,41) yields a new equation:
% 74.18/35.12  				| (42) all_0_6_6 = all_0_7_7
% 74.18/35.12  				|
% 74.18/35.12  				| Simplifying 42 yields:
% 74.18/35.12  				| (43) all_0_6_6 = all_0_7_7
% 74.18/35.12  				|
% 74.18/35.12  				| Equations (43) can reduce 40 to:
% 74.18/35.12  				| (44) $false
% 74.18/35.12  				|
% 74.18/35.12  				|-The branch is then unsatisfiable
% 74.18/35.12  			|-Branch two:
% 74.18/35.12  			| (45) all_0_5_5 = all_0_7_7
% 74.18/35.12  			|
% 74.18/35.12  				| Combining equations (45,38) yields a new equation:
% 74.18/35.12  				| (43) all_0_6_6 = all_0_7_7
% 74.18/35.12  				|
% 74.18/35.12  				| Equations (43) can reduce 40 to:
% 74.18/35.12  				| (44) $false
% 74.18/35.12  				|
% 74.18/35.12  				|-The branch is then unsatisfiable
% 74.18/35.12  		|-Branch two:
% 74.18/35.12  		| (41) all_0_4_4 = all_0_7_7
% 74.18/35.12  		|
% 74.18/35.12  			| Equations (41) can reduce 22 to:
% 74.18/35.12  			| (44) $false
% 74.18/35.12  			|
% 74.18/35.12  			|-The branch is then unsatisfiable
% 74.18/35.12  	|-Branch two:
% 74.18/35.12  	| (45) all_0_5_5 = all_0_7_7
% 74.18/35.12  	|
% 74.18/35.12  		| Equations (45) can reduce 26 to:
% 74.18/35.12  		| (44) $false
% 74.18/35.12  		|
% 74.18/35.12  		|-The branch is then unsatisfiable
% 74.18/35.12  |-Branch two:
% 74.18/35.12  | (52) all_0_3_3 = all_0_8_8 |  ? [v0] :  ? [v1] : (singleton(all_0_4_4) = v1 & singleton(all_0_5_5) = v0 & (v1 = all_0_3_3 | v0 = all_0_3_3))
% 74.18/35.12  |
% 74.18/35.12  	+-Applying beta-rule and splitting (52), into two cases.
% 74.18/35.12  	|-Branch one:
% 74.18/35.12  	| (53) all_0_3_3 = all_0_8_8
% 74.18/35.12  	|
% 74.18/35.12  		| From (53) and (29) follows:
% 74.18/35.12  		| (54) in(all_0_7_7, all_0_8_8)
% 74.18/35.12  		|
% 74.18/35.12  		| Instantiating formula (2) with all_0_7_7 and discharging atoms in(all_0_7_7, all_0_8_8), yields:
% 74.18/35.12  		| (55) $false
% 74.18/35.12  		|
% 74.18/35.12  		|-The branch is then unsatisfiable
% 74.18/35.12  	|-Branch two:
% 74.18/35.12  	| (56)  ? [v0] :  ? [v1] : (singleton(all_0_4_4) = v1 & singleton(all_0_5_5) = v0 & (v1 = all_0_3_3 | v0 = all_0_3_3))
% 74.18/35.12  	|
% 74.18/35.12  		| Instantiating (56) with all_23_0_9, all_23_1_10 yields:
% 74.18/35.12  		| (57) singleton(all_0_4_4) = all_23_0_9 & singleton(all_0_5_5) = all_23_1_10 & (all_23_0_9 = all_0_3_3 | all_23_1_10 = all_0_3_3)
% 74.18/35.12  		|
% 74.18/35.12  		| Applying alpha-rule on (57) yields:
% 74.18/35.12  		| (58) singleton(all_0_4_4) = all_23_0_9
% 74.18/35.12  		| (59) singleton(all_0_5_5) = all_23_1_10
% 74.18/35.12  		| (60) all_23_0_9 = all_0_3_3 | all_23_1_10 = all_0_3_3
% 74.18/35.12  		|
% 74.18/35.12  		+-Applying beta-rule and splitting (60), into two cases.
% 74.18/35.12  		|-Branch one:
% 74.18/35.12  		| (61) all_23_0_9 = all_0_3_3
% 74.18/35.12  		|
% 74.18/35.12  			| From (61) and (58) follows:
% 74.18/35.12  			| (62) singleton(all_0_4_4) = all_0_3_3
% 74.18/35.12  			|
% 74.18/35.12  			| Instantiating formula (10) with all_0_3_3, all_0_6_6, all_0_7_7, all_0_4_4 and discharging atoms singleton(all_0_4_4) = all_0_3_3, unordered_pair(all_0_7_7, all_0_6_6) = all_0_3_3, yields:
% 74.18/35.12  			| (41) all_0_4_4 = all_0_7_7
% 74.18/35.12  			|
% 74.18/35.12  			| Equations (41) can reduce 22 to:
% 74.18/35.12  			| (44) $false
% 74.18/35.12  			|
% 74.18/35.12  			|-The branch is then unsatisfiable
% 74.18/35.12  		|-Branch two:
% 74.18/35.12  		| (65) all_23_1_10 = all_0_3_3
% 74.18/35.12  		|
% 74.18/35.12  			| From (65) and (59) follows:
% 74.18/35.12  			| (66) singleton(all_0_5_5) = all_0_3_3
% 74.18/35.12  			|
% 74.18/35.12  			| Instantiating formula (10) with all_0_3_3, all_0_6_6, all_0_7_7, all_0_5_5 and discharging atoms singleton(all_0_5_5) = all_0_3_3, unordered_pair(all_0_7_7, all_0_6_6) = all_0_3_3, yields:
% 74.18/35.12  			| (45) all_0_5_5 = all_0_7_7
% 74.18/35.12  			|
% 74.18/35.12  			| Equations (45) can reduce 26 to:
% 74.18/35.12  			| (44) $false
% 74.18/35.12  			|
% 74.18/35.12  			|-The branch is then unsatisfiable
% 74.18/35.12  % SZS output end Proof for theBenchmark
% 74.18/35.12  
% 74.18/35.12  34520ms
%------------------------------------------------------------------------------