TSTP Solution File: SET957+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET957+1 : TPTP v8.1.0. Bugfixed v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n007.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 00:23:26 EDT 2022

% Result   : Theorem 18.57s 5.43s
% Output   : Proof 53.27s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12  % Problem  : SET957+1 : TPTP v8.1.0. Bugfixed v4.0.0.
% 0.08/0.12  % Command  : ePrincess-casc -timeout=%d %s
% 0.12/0.33  % Computer : n007.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  : 600
% 0.12/0.33  % DateTime : Sun Jul 10 07:33:16 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.53/0.57          ____       _                          
% 0.53/0.57    ___  / __ \_____(_)___  ________  __________
% 0.53/0.57   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.53/0.57  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.53/0.57  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.53/0.57  
% 0.53/0.57  A Theorem Prover for First-Order Logic
% 0.53/0.57  (ePrincess v.1.0)
% 0.53/0.57  
% 0.53/0.57  (c) Philipp Rümmer, 2009-2015
% 0.53/0.57  (c) Peter Backeman, 2014-2015
% 0.53/0.57  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.53/0.57  Free software under GNU Lesser General Public License (LGPL).
% 0.53/0.57  Bug reports to peter@backeman.se
% 0.53/0.57  
% 0.53/0.57  For more information, visit http://user.uu.se/~petba168/breu/
% 0.53/0.57  
% 0.53/0.57  Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 0.53/0.62  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.29/0.89  Prover 0: Preprocessing ...
% 1.60/1.03  Prover 0: Warning: ignoring some quantifiers
% 1.60/1.05  Prover 0: Constructing countermodel ...
% 3.07/1.45  Prover 0: gave up
% 3.07/1.45  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 3.17/1.47  Prover 1: Preprocessing ...
% 3.17/1.53  Prover 1: Warning: ignoring some quantifiers
% 3.41/1.53  Prover 1: Constructing countermodel ...
% 3.41/1.56  Prover 1: gave up
% 3.41/1.56  Prover 2: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 3.57/1.57  Prover 2: Preprocessing ...
% 3.57/1.63  Prover 2: Warning: ignoring some quantifiers
% 3.57/1.63  Prover 2: Constructing countermodel ...
% 3.90/1.67  Prover 2: gave up
% 3.90/1.68  Prover 3: Options:  -triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 4.04/1.69  Prover 3: Preprocessing ...
% 4.04/1.71  Prover 3: Warning: ignoring some quantifiers
% 4.04/1.71  Prover 3: Constructing countermodel ...
% 4.04/1.73  Prover 3: gave up
% 4.04/1.73  Prover 4: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=complete
% 4.34/1.74  Prover 4: Preprocessing ...
% 4.43/1.80  Prover 4: Warning: ignoring some quantifiers
% 4.43/1.81  Prover 4: Constructing countermodel ...
% 9.32/2.96  Prover 5: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allMinimal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 9.32/2.97  Prover 5: Preprocessing ...
% 9.64/3.01  Prover 5: Warning: ignoring some quantifiers
% 9.64/3.01  Prover 5: Constructing countermodel ...
% 9.64/3.05  Prover 5: gave up
% 9.64/3.05  Prover 6: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 9.64/3.06  Prover 6: Preprocessing ...
% 9.96/3.10  Prover 6: Warning: ignoring some quantifiers
% 9.96/3.10  Prover 6: Constructing countermodel ...
% 9.96/3.12  Prover 6: gave up
% 9.96/3.12  Prover 7: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximalOutermost -resolutionMethod=normal -ignoreQuantifiers -generateTriggers=all
% 9.96/3.13  Prover 7: Preprocessing ...
% 9.96/3.14  Prover 7: Proving ...
% 18.57/5.43  Prover 7: proved (2306ms)
% 18.57/5.43  Prover 4: stopped
% 18.57/5.43  
% 18.57/5.43  % SZS status Theorem for theBenchmark
% 18.57/5.43  
% 18.57/5.43  Generating proof ... found it (size 52)
% 53.12/28.43  
% 53.12/28.43  % SZS output start Proof for theBenchmark
% 53.12/28.43  Assumed formulas after preprocessing and simplification: 
% 53.12/28.43  | (0)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (cartesian_product2(v1, v2) = v4) |  ~ subset(v0, v4) |  ~ in(v3, v0) |  ? [v5] :  ? [v6] : (ordered_pair(v5, v6) = v3 & in(v6, v2) & in(v5, v1))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (singleton(v0) = v3) |  ~ (unordered_pair(v2, v3) = v4) |  ~ (unordered_pair(v0, v1) = v2) | ordered_pair(v0, v1) = v4) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (cartesian_product2(v3, v2) = v1) |  ~ (cartesian_product2(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (ordered_pair(v3, v2) = v1) |  ~ (ordered_pair(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (ordered_pair(v0, v1) = v2) |  ~ empty(v2)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2) &  ! [v0] :  ! [v1] : (v1 = v0 |  ? [v2] : (( ~ in(v2, v1) |  ~ in(v2, v0)) & (in(v2, v1) | in(v2, v0)))) &  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1)) &  ! [v0] : subset(v0, v0) &  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] : ( ~ (v3 = v0) & cartesian_product2(v4, v5) = v7 & cartesian_product2(v1, v2) = v6 & subset(v3, v7) & subset(v0, v6) &  ! [v8] :  ! [v9] :  ! [v10] : ( ~ (ordered_pair(v8, v9) = v10) |  ~ in(v10, v3) | in(v10, v0)) &  ! [v8] :  ! [v9] :  ! [v10] : ( ~ (ordered_pair(v8, v9) = v10) |  ~ in(v10, v0) | in(v10, v3))) &  ? [v0] :  ~ empty(v0) &  ? [v0] : empty(v0)
% 53.27/28.45  | Applying alpha-rule on (0) yields:
% 53.27/28.45  | (1)  ? [v0] :  ~ empty(v0)
% 53.27/28.45  | (2)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (ordered_pair(v3, v2) = v1) |  ~ (ordered_pair(v3, v2) = v0))
% 53.27/28.45  | (3)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (ordered_pair(v0, v1) = v2) |  ~ empty(v2))
% 53.27/28.45  | (4)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] : ( ~ (v3 = v0) & cartesian_product2(v4, v5) = v7 & cartesian_product2(v1, v2) = v6 & subset(v3, v7) & subset(v0, v6) &  ! [v8] :  ! [v9] :  ! [v10] : ( ~ (ordered_pair(v8, v9) = v10) |  ~ in(v10, v3) | in(v10, v0)) &  ! [v8] :  ! [v9] :  ! [v10] : ( ~ (ordered_pair(v8, v9) = v10) |  ~ in(v10, v0) | in(v10, v3)))
% 53.27/28.45  | (5)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (cartesian_product2(v1, v2) = v4) |  ~ subset(v0, v4) |  ~ in(v3, v0) |  ? [v5] :  ? [v6] : (ordered_pair(v5, v6) = v3 & in(v6, v2) & in(v5, v1)))
% 53.27/28.45  | (6)  ! [v0] :  ! [v1] : (v1 = v0 |  ? [v2] : (( ~ in(v2, v1) |  ~ in(v2, v0)) & (in(v2, v1) | in(v2, v0))))
% 53.27/28.45  | (7)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0))
% 53.27/28.45  | (8)  ! [v0] : subset(v0, v0)
% 53.27/28.45  | (9)  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 53.27/28.45  | (10)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (singleton(v0) = v3) |  ~ (unordered_pair(v2, v3) = v4) |  ~ (unordered_pair(v0, v1) = v2) | ordered_pair(v0, v1) = v4)
% 53.27/28.45  | (11)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2)
% 53.27/28.45  | (12)  ? [v0] : empty(v0)
% 53.27/28.45  | (13)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (cartesian_product2(v3, v2) = v1) |  ~ (cartesian_product2(v3, v2) = v0))
% 53.27/28.46  | (14)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0))
% 53.27/28.46  |
% 53.27/28.46  | Instantiating (4) with all_3_0_1, all_3_1_2, all_3_2_3, all_3_3_4, all_3_4_5, all_3_5_6, all_3_6_7, all_3_7_8 yields:
% 53.27/28.46  | (15)  ~ (all_3_4_5 = all_3_7_8) & cartesian_product2(all_3_3_4, all_3_2_3) = all_3_0_1 & cartesian_product2(all_3_6_7, all_3_5_6) = all_3_1_2 & subset(all_3_4_5, all_3_0_1) & subset(all_3_7_8, all_3_1_2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (ordered_pair(v0, v1) = v2) |  ~ in(v2, all_3_4_5) | in(v2, all_3_7_8)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (ordered_pair(v0, v1) = v2) |  ~ in(v2, all_3_7_8) | in(v2, all_3_4_5))
% 53.27/28.46  |
% 53.27/28.46  | Applying alpha-rule on (15) yields:
% 53.27/28.46  | (16) cartesian_product2(all_3_3_4, all_3_2_3) = all_3_0_1
% 53.27/28.46  | (17) cartesian_product2(all_3_6_7, all_3_5_6) = all_3_1_2
% 53.27/28.46  | (18) subset(all_3_7_8, all_3_1_2)
% 53.27/28.46  | (19) subset(all_3_4_5, all_3_0_1)
% 53.27/28.46  | (20)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (ordered_pair(v0, v1) = v2) |  ~ in(v2, all_3_7_8) | in(v2, all_3_4_5))
% 53.27/28.46  | (21)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (ordered_pair(v0, v1) = v2) |  ~ in(v2, all_3_4_5) | in(v2, all_3_7_8))
% 53.27/28.46  | (22)  ~ (all_3_4_5 = all_3_7_8)
% 53.27/28.46  |
% 53.27/28.46  | Introducing new symbol ex_14_1_11 defined by:
% 53.27/28.46  | (23) ex_14_1_11 = all_3_7_8
% 53.27/28.46  |
% 53.27/28.46  | Introducing new symbol ex_14_0_10 defined by:
% 53.27/28.46  | (24) ex_14_0_10 = all_3_4_5
% 53.27/28.46  |
% 53.27/28.46  | Instantiating formula (6) with ex_14_0_10, ex_14_1_11 yields:
% 53.27/28.46  | (25) ex_14_0_10 = ex_14_1_11 |  ? [v0] : (( ~ in(v0, ex_14_0_10) |  ~ in(v0, ex_14_1_11)) & (in(v0, ex_14_0_10) | in(v0, ex_14_1_11)))
% 53.27/28.46  |
% 53.27/28.46  +-Applying beta-rule and splitting (25), into two cases.
% 53.27/28.46  |-Branch one:
% 53.27/28.46  | (26) ex_14_0_10 = ex_14_1_11
% 53.27/28.46  |
% 53.27/28.46  	| Combining equations (26,24) yields a new equation:
% 53.27/28.46  	| (27) ex_14_1_11 = all_3_4_5
% 53.27/28.46  	|
% 53.27/28.46  	| Simplifying 27 yields:
% 53.27/28.46  	| (28) ex_14_1_11 = all_3_4_5
% 53.27/28.46  	|
% 53.27/28.46  	| Combining equations (28,23) yields a new equation:
% 53.27/28.46  	| (29) all_3_4_5 = all_3_7_8
% 53.27/28.46  	|
% 53.27/28.46  	| Simplifying 29 yields:
% 53.27/28.46  	| (30) all_3_4_5 = all_3_7_8
% 53.27/28.46  	|
% 53.27/28.46  	| Equations (30) can reduce 22 to:
% 53.27/28.46  	| (31) $false
% 53.27/28.46  	|
% 53.27/28.46  	|-The branch is then unsatisfiable
% 53.27/28.46  |-Branch two:
% 53.27/28.46  | (32)  ? [v0] : (( ~ in(v0, ex_14_0_10) |  ~ in(v0, ex_14_1_11)) & (in(v0, ex_14_0_10) | in(v0, ex_14_1_11)))
% 53.27/28.46  |
% 53.27/28.46  	| Instantiating (32) with all_17_0_12 yields:
% 53.27/28.46  	| (33) ( ~ in(all_17_0_12, ex_14_0_10) |  ~ in(all_17_0_12, ex_14_1_11)) & (in(all_17_0_12, ex_14_0_10) | in(all_17_0_12, ex_14_1_11))
% 53.27/28.46  	|
% 53.27/28.46  	| Applying alpha-rule on (33) yields:
% 53.27/28.46  	| (34)  ~ in(all_17_0_12, ex_14_0_10) |  ~ in(all_17_0_12, ex_14_1_11)
% 53.27/28.46  	| (35) in(all_17_0_12, ex_14_0_10) | in(all_17_0_12, ex_14_1_11)
% 53.27/28.46  	|
% 53.27/28.46  	+-Applying beta-rule and splitting (34), into two cases.
% 53.27/28.46  	|-Branch one:
% 53.27/28.46  	| (36)  ~ in(all_17_0_12, ex_14_0_10)
% 53.27/28.46  	|
% 53.27/28.46  		+-Applying beta-rule and splitting (35), into two cases.
% 53.27/28.46  		|-Branch one:
% 53.27/28.46  		| (37) in(all_17_0_12, ex_14_0_10)
% 53.27/28.46  		|
% 53.27/28.46  			| Using (37) and (36) yields:
% 53.27/28.46  			| (38) $false
% 53.27/28.46  			|
% 53.27/28.46  			|-The branch is then unsatisfiable
% 53.27/28.46  		|-Branch two:
% 53.27/28.46  		| (39) in(all_17_0_12, ex_14_1_11)
% 53.27/28.46  		|
% 53.27/28.46  			| Instantiating formula (5) with all_3_0_1, all_17_0_12, all_3_2_3, all_3_3_4, all_3_4_5 and discharging atoms cartesian_product2(all_3_3_4, all_3_2_3) = all_3_0_1, subset(all_3_4_5, all_3_0_1), yields:
% 53.27/28.46  			| (40)  ~ in(all_17_0_12, all_3_4_5) |  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_17_0_12 & in(v1, all_3_2_3) & in(v0, all_3_3_4))
% 53.27/28.46  			|
% 53.27/28.46  			| Instantiating formula (5) with all_3_1_2, all_17_0_12, all_3_5_6, all_3_6_7, all_3_7_8 and discharging atoms cartesian_product2(all_3_6_7, all_3_5_6) = all_3_1_2, subset(all_3_7_8, all_3_1_2), yields:
% 53.27/28.46  			| (41)  ~ in(all_17_0_12, all_3_7_8) |  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_17_0_12 & in(v1, all_3_5_6) & in(v0, all_3_6_7))
% 53.27/28.46  			|
% 53.27/28.46  			+-Applying beta-rule and splitting (41), into two cases.
% 53.27/28.46  			|-Branch one:
% 53.27/28.46  			| (42)  ~ in(all_17_0_12, all_3_7_8)
% 53.27/28.46  			|
% 53.27/28.46  				| From (23) and (39) follows:
% 53.27/28.46  				| (43) in(all_17_0_12, all_3_7_8)
% 53.27/28.46  				|
% 53.27/28.46  				| Using (43) and (42) yields:
% 53.27/28.46  				| (38) $false
% 53.27/28.46  				|
% 53.27/28.46  				|-The branch is then unsatisfiable
% 53.27/28.46  			|-Branch two:
% 53.27/28.46  			| (43) in(all_17_0_12, all_3_7_8)
% 53.27/28.46  			| (46)  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_17_0_12 & in(v1, all_3_5_6) & in(v0, all_3_6_7))
% 53.27/28.46  			|
% 53.27/28.46  				| Instantiating (46) with all_35_0_30, all_35_1_31 yields:
% 53.27/28.46  				| (47) ordered_pair(all_35_1_31, all_35_0_30) = all_17_0_12 & in(all_35_0_30, all_3_5_6) & in(all_35_1_31, all_3_6_7)
% 53.27/28.46  				|
% 53.27/28.46  				| Applying alpha-rule on (47) yields:
% 53.27/28.46  				| (48) ordered_pair(all_35_1_31, all_35_0_30) = all_17_0_12
% 53.27/28.46  				| (49) in(all_35_0_30, all_3_5_6)
% 53.27/28.46  				| (50) in(all_35_1_31, all_3_6_7)
% 53.27/28.46  				|
% 53.27/28.46  				| Instantiating formula (20) with all_17_0_12, all_35_0_30, all_35_1_31 and discharging atoms ordered_pair(all_35_1_31, all_35_0_30) = all_17_0_12, yields:
% 53.27/28.46  				| (51)  ~ in(all_17_0_12, all_3_7_8) | in(all_17_0_12, all_3_4_5)
% 53.27/28.46  				|
% 53.27/28.46  				+-Applying beta-rule and splitting (40), into two cases.
% 53.27/28.46  				|-Branch one:
% 53.27/28.46  				| (52)  ~ in(all_17_0_12, all_3_4_5)
% 53.27/28.47  				|
% 53.27/28.47  					+-Applying beta-rule and splitting (51), into two cases.
% 53.27/28.47  					|-Branch one:
% 53.27/28.47  					| (42)  ~ in(all_17_0_12, all_3_7_8)
% 53.27/28.47  					|
% 53.27/28.47  						| Using (43) and (42) yields:
% 53.27/28.47  						| (38) $false
% 53.27/28.47  						|
% 53.27/28.47  						|-The branch is then unsatisfiable
% 53.27/28.47  					|-Branch two:
% 53.27/28.47  					| (55) in(all_17_0_12, all_3_4_5)
% 53.27/28.47  					|
% 53.27/28.47  						| Using (55) and (52) yields:
% 53.27/28.47  						| (38) $false
% 53.27/28.47  						|
% 53.27/28.47  						|-The branch is then unsatisfiable
% 53.27/28.47  				|-Branch two:
% 53.27/28.47  				| (55) in(all_17_0_12, all_3_4_5)
% 53.27/28.47  				| (58)  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_17_0_12 & in(v1, all_3_2_3) & in(v0, all_3_3_4))
% 53.27/28.47  				|
% 53.27/28.47  					| From (24) and (36) follows:
% 53.27/28.47  					| (52)  ~ in(all_17_0_12, all_3_4_5)
% 53.27/28.47  					|
% 53.27/28.47  					| Using (55) and (52) yields:
% 53.27/28.47  					| (38) $false
% 53.27/28.47  					|
% 53.27/28.47  					|-The branch is then unsatisfiable
% 53.27/28.47  	|-Branch two:
% 53.27/28.47  	| (37) in(all_17_0_12, ex_14_0_10)
% 53.27/28.47  	| (62)  ~ in(all_17_0_12, ex_14_1_11)
% 53.27/28.47  	|
% 53.27/28.47  		| Instantiating formula (5) with all_3_0_1, all_17_0_12, all_3_2_3, all_3_3_4, all_3_4_5 and discharging atoms cartesian_product2(all_3_3_4, all_3_2_3) = all_3_0_1, subset(all_3_4_5, all_3_0_1), yields:
% 53.27/28.47  		| (40)  ~ in(all_17_0_12, all_3_4_5) |  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_17_0_12 & in(v1, all_3_2_3) & in(v0, all_3_3_4))
% 53.27/28.47  		|
% 53.27/28.47  		| Instantiating formula (5) with all_3_1_2, all_17_0_12, all_3_5_6, all_3_6_7, all_3_7_8 and discharging atoms cartesian_product2(all_3_6_7, all_3_5_6) = all_3_1_2, subset(all_3_7_8, all_3_1_2), yields:
% 53.27/28.47  		| (41)  ~ in(all_17_0_12, all_3_7_8) |  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_17_0_12 & in(v1, all_3_5_6) & in(v0, all_3_6_7))
% 53.27/28.47  		|
% 53.27/28.47  		+-Applying beta-rule and splitting (41), into two cases.
% 53.27/28.47  		|-Branch one:
% 53.27/28.47  		| (42)  ~ in(all_17_0_12, all_3_7_8)
% 53.27/28.47  		|
% 53.27/28.47  			+-Applying beta-rule and splitting (40), into two cases.
% 53.27/28.47  			|-Branch one:
% 53.27/28.47  			| (52)  ~ in(all_17_0_12, all_3_4_5)
% 53.27/28.47  			|
% 53.27/28.47  				| From (24) and (37) follows:
% 53.27/28.47  				| (55) in(all_17_0_12, all_3_4_5)
% 53.27/28.47  				|
% 53.27/28.47  				| Using (55) and (52) yields:
% 53.27/28.47  				| (38) $false
% 53.27/28.47  				|
% 53.27/28.47  				|-The branch is then unsatisfiable
% 53.27/28.47  			|-Branch two:
% 53.27/28.47  			| (55) in(all_17_0_12, all_3_4_5)
% 53.27/28.47  			| (58)  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_17_0_12 & in(v1, all_3_2_3) & in(v0, all_3_3_4))
% 53.27/28.47  			|
% 53.27/28.47  				| Instantiating (58) with all_42_0_32, all_42_1_33 yields:
% 53.27/28.47  				| (71) ordered_pair(all_42_1_33, all_42_0_32) = all_17_0_12 & in(all_42_0_32, all_3_2_3) & in(all_42_1_33, all_3_3_4)
% 53.27/28.47  				|
% 53.27/28.47  				| Applying alpha-rule on (71) yields:
% 53.27/28.47  				| (72) ordered_pair(all_42_1_33, all_42_0_32) = all_17_0_12
% 53.27/28.47  				| (73) in(all_42_0_32, all_3_2_3)
% 53.27/28.47  				| (74) in(all_42_1_33, all_3_3_4)
% 53.27/28.47  				|
% 53.27/28.47  				| Instantiating formula (21) with all_17_0_12, all_42_0_32, all_42_1_33 and discharging atoms ordered_pair(all_42_1_33, all_42_0_32) = all_17_0_12,  ~ in(all_17_0_12, all_3_7_8), yields:
% 53.27/28.47  				| (52)  ~ in(all_17_0_12, all_3_4_5)
% 53.27/28.47  				|
% 53.27/28.47  				| Using (55) and (52) yields:
% 53.27/28.47  				| (38) $false
% 53.27/28.47  				|
% 53.27/28.47  				|-The branch is then unsatisfiable
% 53.27/28.47  		|-Branch two:
% 53.27/28.47  		| (43) in(all_17_0_12, all_3_7_8)
% 53.27/28.47  		| (46)  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_17_0_12 & in(v1, all_3_5_6) & in(v0, all_3_6_7))
% 53.27/28.47  		|
% 53.27/28.47  			| From (23) and (62) follows:
% 53.27/28.47  			| (42)  ~ in(all_17_0_12, all_3_7_8)
% 53.27/28.47  			|
% 53.27/28.47  			| Using (43) and (42) yields:
% 53.27/28.47  			| (38) $false
% 53.27/28.47  			|
% 53.27/28.47  			|-The branch is then unsatisfiable
% 53.27/28.47  % SZS output end Proof for theBenchmark
% 53.27/28.47  
% 53.27/28.47  27889ms
%------------------------------------------------------------------------------